ROLLOUT 5 · python-tap/tappy
python-tap__tappy-112
Solved
164 stotal time
8tool calls
10model calls
2,710tokens generated
60,759prompt tokens read
No error recorded
⚠ The request log has 9 model calls but the trace has 11 agent calls, so tokens are listed separately instead of beside each turn.
Turn by turn
Token shading: p ≥ 0.9 0.5 – 0.9 0.2 – 0.5 below 0.2. Hover a token for its id and probability.
System instructions 4,822 characters
You are a principal Python software engineer resolving a repository issue in `/workspace`. Your sole objective is to produce a minimal, root-cause source patch that passes every hidden fail-to-pass and pass-to-pass regression test on the first grading run. ## Critical Environment & Grader Rules 1. **Air-Gapped Sandbox & Available CLI Tools**: No network access. Never run `pip`, `uv`, `conda`, or `git fetch`. Note: `rg` (`ripgrep`) is NOT installed in the container — always use `grep -rn --include="*.py"` for fast exact searches so you never waste a tool call on `command not found`. 2. **Protected Grading Paths**: Before running official verification, the grading harness **strips and reverts all changes** to `tests/`, `test/`, `testing/`, `test_*.py`, `*_test.py`, `conftest.py`, `pyproject.toml`, `setup.cfg`, `pytest.ini`, and `tox.ini`. Every part of your fix MUST reside in non-test production source files. 3. **Untracked File Trap (`git add -N .`)**: `submit_patch` stages ALL untracked files inside `/workspace`! Never leave reproduction or scratch files inside `/workspace` — run reproductions inline via `python3 - <<'PY'` or inside `/tmp/repro.py` in a single `run_command`. 4. **Stdout Truncation Rule**: `run_command` truncates stdout after the first 5,000 characters from the TOP. Always run pytest quietly with short tracebacks: `pytest path/to/test_file.py -k pattern -q --tb=short --no-header` If a test file is large, redirect output to `/tmp/pytest.log` and inspect `tail -n 80 /tmp/pytest.log` so failure tracebacks at the bottom are never cut off. 5. **Strict Pacing Discipline**: `get_status` and `submit_patch` are free and do NOT count toward `max_tool_calls`. Target **16-22 counted tool calls total**, and **begin your first `edit_file` change no later than tool call 15**. Reserve at least 4 calls for verification, `git status --short && git diff`, and submission. ## Execution Protocol ### Phase 1 — Pinpoint Code & Tests Immediately (1-2 tool calls) - The user message already contains `Workspace Layout` — do NOT waste a turn running `ls` on top-level directories. - Run a single compound `run_command` with `grep -rn --include="*.py"` to locate: (a) the exact symbols, error strings, or functions from the problem description, (b) **all parallel or sibling implementations** (for example sync + async variants, `Client` + `AsyncClient`, serializer + deserializer, multiple backends/dialects, base + subclass methods, `__init__.py` / `__all__` exports), and (c) the closest existing unit test files under `tests/`. ### Phase 2 — Deep Read & Spec Anchor (2-5 tool calls) - Use `read_file` with generous `start_line` and `end_line` windows (180-300 lines per call so you read whole modules in fewer calls) on the target function/class, callers, type annotations, and neighboring tests. - Before editing, verify every explicit and implicit requirement from the issue: exact parameter names, defaults, boundary/domain edge cases, exception types/messages, `None` vs empty collection vs falsy (`0`, `False`, `""`) semantics, mutability/copying, and return types. ### Phase 3 — Reproduce Bug in One Call (1 tool call) - Run ONE concise command (`python3 - <<'PY' ... PY` or targeted `pytest ... -q --tb=short --no-header`) via `run_command` to observe the exact pre-fix failure. Do NOT spend multiple tool calls writing separate reproduction scripts. ### Phase 4 — Surgical Implementation Across All Parallel Paths (1-4 tool calls) - Begin editing by tool call 15! Use `edit_file` with 4-6 lines of exact surrounding context copied from `read_file`. - Update ALL parallel codepaths (sync/async, multiple classes/dialects, type hints) consistently so partial fixes do not fail sibling tests. - **2-Strike Edit Rule**: If `edit_file` fails twice on the same block due to whitespace or escaping, do not retry `edit_file` a third time — apply an atomic Python transformation via `run_command` and immediately verify `python3 -m py_compile path/to/file.py`. ### Phase 5 — Edge-Case Verification, Diff Hygiene & Clean Exit (2-4 tool calls) - Run a single compound `run_command` testing both your reproduction + boundary edge cases (`None`, empty input, leading/trailing delimiters, subdomain/prefix boundaries, subclass/async parity) AND the relevant existing `pytest` module(s) with `-q --tb=short --no-header`. - Run `git status --short && git diff` via `run_command`. Confirm: - ZERO untracked (`??`) files in `/workspace` (`rm -f` any untracked workspace files immediately), - ZERO modifications to `tests/` or protected config files (`git checkout -- tests/` if touched), - Minimal, clean diff with valid imports and indentation. - Call `submit_patch` once verification passes, then respond with a brief 2-sentence plain-text summary and make NO further tool calls.
Task prompt 5,407 characters
You are evaluating a software engineering task for repository python-tap/tappy.
Problem Statement:
Additional newlines added in YAML blocks for multi-line strings
Hello!
I've observed that `_extract_yaml_block()` performs `"\n".join(raw_yaml)` without having stripped the newline character in each possible line, resulting in unwanted empty lines when parsing multi-line strings in YAML blocks.
I'll give an example. With this file:
```python
#!/usr/bin/python3
import tap.parser
tap_input = """TAP version 13
1..2
ok 1 A passing test
---
message: test
severity: fail
output: |+
this is a multiline
string but with tap
somehow blank lines
are added to it.
"""
parser = tap.parser.Parser()
for i, l in enumerate(parser.parse_text(tap_input)):
if i == 2:
print("{!r}".format(l.yaml_block["output"].splitlines()))
```
The output is:
```
['', 'this is a multiline', '', 'string but with tap', '', 'somehow blank lines', '', 'are added to it.']
```
Where as I expected:
```
['this is a multiline', 'string but with tap', 'somehow blank lines', 'are added to it.']
```
I will submit a PR shortly.
## Hints:
codecov-io: # [Codecov](https://codecov.io/gh/python-tap/tappy/pull/112?src=pr&el=h1) Report
> Merging [#112](https://codecov.io/gh/python-tap/tappy/pull/112?src=pr&el=desc) into [master](https://codecov.io/gh/python-tap/tappy/commit/015c21c1a98b88f23844a44e346604f2398b11d5&el=desc) will **not change** coverage.
> The diff coverage is `100.00%`.
[](https://codecov.io/gh/python-tap/tappy/pull/112?src=pr&el=tree)
```diff
@@ Coverage Diff @@
## master #112 +/- ##
=========================================
Coverage 100.00% 100.00%
=========================================
Files 12 12
Lines 599 600 +1
=========================================
+ Hits 599 600 +1
```
| [Impacted Files](https://codecov.io/gh/python-tap/tappy/pull/112?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [tap/parser.py](https://codecov.io/gh/python-tap/tappy/pull/112/diff?src=pr&el=tree#diff-dGFwL3BhcnNlci5weQ==) | `100.00% <100.00%> (ø)` | |
------
[Continue to review full report at Codecov](https://codecov.io/gh/python-tap/tappy/pull/112?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/python-tap/tappy/pull/112?src=pr&el=footer). Last update [015c21c...05c6b82](https://codecov.io/gh/python-tap/tappy/pull/112?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
## Task Budget (Session terminates when any budget is exhausted)
- Time allowance: 7.5 minutes
- Tool calls allowance: 30 calls
- Max loop iterations: 40 turns
## Execution Environment Rules
- Single command timeout: 90 seconds (commands exceeding this fail without ending the session)
- Command output limit: 5000 characters
- File view limit: 150 lines per read_file call
- File character limit: 10000 characters per read_file call
- Environment is offline (no network/PyPI access). All repository and test dependencies are ALREADY pre-installed. Do NOT attempt to run pip install or download packages.
## Instructions:
0. All source code is under `/workspace`. Do NOT search outside `/workspace` (e.g. `/usr/`, `/wheels/`, system site-packages). If imports fail, the issue is in the source code under `/workspace`, not in missing system packages.
1. Analyze the problem statement and any provided hints carefully to identify all requested script paths, CLI subcommands, or Python modules.
2. Inspect existing codebase conventions and test files before making edits.
3. Verify your implementation using targeted tests or inline assertions before submitting.
4. Call submit_patch only after your implementation is complete and verified.
5. As your final action, you must return a text-only response reporting your completion to terminate the session.
## Workspace Layout
The repository is located at `/workspace`. Here is the directory tree (up to 3 levels):
```
./AUTHORS
./CODE_OF_CONDUCT.md
./LICENSE
./MANIFEST.in
./README.md
./appveyor.yml
./docs
./requirements-dev.txt
./setup.cfg
./setup.py
./tap
./tap/__init__.py
./tap/__main__.py
./tap/adapter.py
./tap/directive.py
./tap/formatter.py
./tap/i18n.py
./tap/line.py
./tap/loader.py
./tap/locale
./tap/locale/ar
./tap/locale/de
./tap/locale/es
./tap/locale/fr
./tap/locale/it
./tap/locale/ja
./tap/locale/nl
./tap/locale/pt
./tap/locale/ru
./tap/locale/tappy.pot
./tap/locale/zh
./tap/main.py
./tap/parser.py
./tap/rules.py
./tap/runner.py
./tap/tests
./tap/tests/__init__.py
./tap/tests/factory.py
./tap/tests/run.py
./tap/tests/test_adapter.py
./tap/tests/test_directive.py
./tap/tests/test_formatter.py
./tap/tests/test_line.py
./tap/tests/test_loader.py
./tap/tests/test_main.py
./tap/tests/test_parser.py
./tap/tests/test_result.py
./tap/tests/test_rules.py
./tap/tests/test_runner.py
./tap/tests/test_tracker.py
./tap/tests/testcase.py
./tap/tracker.py
./tox.ini
./transifex.py
```
Turn 1at 22 s326 tokens out3,856 prompt tokens
The user is reporting a bug in `tap.parser._extract_yaml_block()`. The issue is that it uses `"\n".join(raw_yaml)` without stripping newline characters from each line in `raw_yaml`, which leads to double newlines in the resulting YAML string when parsed. I need to: 1. Reproduce the bug using the provided example. 2. Locate `_extract_yaml_block` in `tap/parser.py`. 3. Fix the bug by stripping the newlines before joining. 4. Verify the fix. Plan: - Run a reproduction script. - Read `tap/parser.py` to find `_extract_yaml_block`. - Fix it. - Run reproduction script and tests.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport tap.parser\n\ntap_input = \"\"\"TAP version 13\n1..2\nok 1 A passing test\n ---\n message: test\n severity: fail\n output: |+\n this is a multiline\n string but with tap\n somehow blank lines\n are added to it.\n\"\"\"\nparser = tap.parser.Parser()\n\nfor i, l in enumerate(parser.parse_text(tap_input)):\n if i == 2:\n print(\"{!r}\".format(l.yaml_block[\"output\"].splitlines()))\nPY\n"
}Result of run_command 167 characters
{
"status": "ok",
"stdout": "['', 'this is a multiline', '', 'string but with tap', '', 'somehow blank lines', '', 'are added to it.']\n",
"stderr": "",
"exit_code": 0
}Turn 2at 28 s126 tokens out4,254 prompt tokens
The reproduction script confirms the bug. The output is `['', 'this is a multiline', '', 'string but with tap', '', 'somehow blank lines', '', 'are added to it.']` instead of `['this is a multiline', 'string but with tap', 'somehow blank lines', 'are added to it.']`. Now I will locate `_extract_yaml_block` in `tap/parser.py`.
TOOL CALL · run_command
{
"command": "grep -rn \"def _extract_yaml_block\" tap/parser.py"
}Result of run_command 112 characters
{
"status": "ok",
"stdout": "177: def _extract_yaml_block(self, indent, fh):\n",
"stderr": "",
"exit_code": 0
}Turn 3at 32 s55 tokens out4,439 prompt tokens
Now I will read `tap/parser.py` around line 177.
TOOL CALL · read_file
{
"end_line": 200,
"filepath": "tap/parser.py",
"start_line": 170
}Result of read_file 1,318 characters
{
"status": "ok",
"filepath": "tap/parser.py",
"content": " ok,\n number=match.group(\"number\"),\n description=match.group(\"description\").strip(),\n directive=Directive(match.group(\"directive\")),\n raw_yaml_block=concat_yaml,\n )\n\n def _extract_yaml_block(self, indent, fh):\n \"\"\"Extract a raw yaml block from a file handler\"\"\"\n raw_yaml = []\n indent_match = re.compile(r\"^{}\".format(indent))\n try:\n next(fh)\n while indent_match.match(fh.peek()):\n raw_yaml.append(next(fh).replace(indent, \"\", 1))\n # check for the end and stop adding yaml if encountered\n if self.yaml_block_end.match(fh.peek()):\n next(fh)\n break\n except StopIteration:\n pass\n return \"\\n\".join(raw_yaml)\n\n def _parse_version(self, match):\n version = int(match.group(\"version\"))\n if version < self.TAP_MINIMUM_DECLARED_VERSION:\n raise ValueError(\n _(\"It is an error to explicitly specify any version lower than 13.\")\n )\n return Version(version)",
"start_line": 170,
"end_line": 199,
"total_lines": 199,
"is_truncated": false
}Turn 4at 126 s1,652 tokens out4,882 prompt tokens
The code is:
```python
def _extract_yaml_block(self, indent, fh):
"""Extract a raw yaml block from a file handler"""
raw_yaml = []
indent_match = re.compile(r"^{}".format(indent))
try:
next(fh)
while indent_match.match(fh.peek()):
raw_yaml.append(next(fh).replace(indent, "", 1))
# check for the end and stop adding yaml if encountered
if self.yaml_block_end.match(fh.peek()):
next(fh)
break
except StopIteration:
pass
return "\n".join(raw_yaml)
```
The `next(fh)` returns a line that likely includes the trailing newline character `\n`.
When `raw_yaml.append(next(fh).replace(indent, "", 1))` is called, the line still has its trailing newline.
Then `"\n".join(raw_yaml)` adds another newline between each line.
This causes the double newlines.
I should strip the trailing newline from the line before appending it to `raw_yaml`.
Specifically, using `rstrip('\r\n')` (or just `.rstrip('\n')` or `.rstrip('\r\n')`) should work.
Actually, if the goal is to preserve trailing spaces but remove the newline, `rstrip('\n').rstrip('\r')` or similar is better.
Wait, if I use `rstrip()`, it might remove trailing spaces which might be significant in some YAML contexts (though rare for standard values).
However, usually `next(fh)` in Python for a file-like object (or a generator of lines) includes the trailing newline.
Let's check what exactly `next(fh)` contains.
If I change `raw_yaml.append(next(fh).replace(indent, "", 1))` to `raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))`, that should fix it.
Let me double check the provided example's output:
`['', 'this is a multiline', '', 'string but with tap', '', 'somehow blank lines', '', 'are added to it.']`
The empty strings at the beginning and between lines indicate that we have `\n\n` sequences.
Example analysis:
Line 1 of YAML block (after `---`): ` message: test\n`
Line 2: ` severity: fail\n`
Line 3: ` output: |+\n`
Line 4: ` this is a multiline\n`
Line 5: ` string but with tap\n`
Line 6: ` somehow blank lines\n`
Line 7: ` are added to it.\n`
In `_extract_yaml_block`:
`indent` is ` ` (3 spaces)
`next(fh)` for Line 4 returns ` this is a multiline\n`
`.replace(indent, "", 1)` returns ` this is a multiline\n` (assuming 3 spaces were replaced)
`raw_yaml.append(' this is a multiline\n')`
Then `"\n".join(raw_yaml)` produces `... this is a multiline\n\n string but with tap\n...`
Wait, let's re-examine the example provided by the user.
The input has:
```python
tap_input = """TAP version 13
1..2
ok 1 A passing test
---
message: test
severity: fail
output: |+
this is a multiline
string but with tap
somehow blank lines
are added to it.
"""
```
The `---` is preceded by 3 spaces.
The lines after `---` are indented by 3 spaces.
The lines under `output: |+` are indented by 5 spaces.
When `_extract_yaml_block` is called:
1. `next(fh)` skips the ` ---` line.
2. `indent_match` is `^ `.
3. `next(fh)` for ` message: test\n` matches. `replace(" ", "", 1)` gives `message: test\n`.
4. ...
5. `next(fh)` for ` this is a multiline\n` matches. `replace(" ", "", 1)` gives ` this is a multiline\n`.
6. ...
7. `raw_yaml` contains `['message: test\n', 'severity: fail\n', 'output: |+\n', ' this is a multiline\n', ' string but with tap\n', ' somehow blank lines\n', ' are added to it.\n']` (approx)
8. `"\n".join(raw_yaml)` results in:
`message: test\n\nseverity: fail\n\noutput: |+\n\n this is a multiline\n\n string but with tap\n\n somehow blank lines\n\n are added to it.\n`
When YAML parser parses this, the `|+` (keep trailing newlines) preserves the content.
The `output` block starts with `\n\n this is a multiline\n\n string but with tap\n\n somehow blank lines\n\n are added to it.\n`.
Wait, YAML consumes the first newline after the block scalar indicator.
Anyway, the fix is clear: remove the trailing newline from the lines extracted from the file handler before joining them with `\n`.
The safest way to remove only the trailing newline characters (LF and CRLF) is `.rstrip('\r\n')`.
Let's refine the fix:
`raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))`
Wait, should I use `rstrip('\n').rstrip('\r')` or just `rstrip('\r\n')`? `rstrip('\r\n')` removes any combination of `\r` and `\n` from the right end of the string.
Let's prepare the fix.
```python
<<<<
raw_yaml.append(next(fh).replace(indent, "", 1))
====
raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))
>>>>
```
Let's double check if `rstrip('\r\n')` is appropriate. If a line has trailing spaces, `rstrip()` would remove them, but `rstrip('\r\n')` only removes the carriage return and newline. This is exactly what we want to preserve YAML's trailing spaces.
Actually, let's look at how `next(fh)` works across different platforms. It should return a string ending in `\n` or `\r\n`.
Let's try to reproduce and fix.
TOOL CALL · edit_file
{
"filepath": "tap/parser.py",
"new_string": " raw_yaml.append(next(fh).replace(indent, \"\", 1).rstrip('\\r\\n'))",
"old_string": " raw_yaml.append(next(fh).replace(indent, \"\", 1))"
}Result of edit_file 590 characters
{
"status": "ok",
"filepath": "tap/parser.py",
"occurrences": 1,
"strategy": "exact",
"diff": "--- a/tap/parser.py\n+++ b/tap/parser.py\n@@ -181,7 +181,7 @@\n try:\n next(fh)\n while indent_match.match(fh.peek()):\n- raw_yaml.append(next(fh).replace(indent, \"\", 1))\n+ raw_yaml.append(next(fh).replace(indent, \"\", 1).rstrip('\\r\\n'))\n # check for the end and stop adding yaml if encountered\n if self.yaml_block_end.match(fh.peek()):\n next(fh)\n",
"is_truncated": false
}Turn 5at 131 s168 tokens out6,739 prompt tokens
Now I will run the reproduction script again to verify the fix.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport tap.parser\n\ntap_input = \"\"\"TAP version 13\n1..2\nok 1 A passing test\n ---\n message: test\n severity: fail\n output: |+\n this is a multiline\n string but with tap\n somehow blank lines\n are added to it.\n\"\"\"\nparser = tap.parser.Parser()\n\nfor i, l in enumerate(parser.parse_text(tap_input)):\n if i == 2:\n print(\"{!r}\".format(l.yaml_block[\"output\"].splitlines()))\nPY\n"
}Result of run_command 151 characters
{
"status": "ok",
"stdout": "['this is a multiline', 'string but with tap', 'somehow blank lines', 'are added to it.']\n",
"stderr": "",
"exit_code": 0
}Turn 6at 137 s91 tokens out6,973 prompt tokens
The reproduction script now returns the expected result: `['this is a multiline', 'string but with tap', 'somehow blank lines', 'are added to it.']`. Now I should run the existing tests to make sure I didn't break anything.
TOOL CALL · run_command
{
"command": "pytest tap/tests/test_parser.py -q --tb=short --no-header"
}Result of run_command 161 characters
{
"status": "ok",
"stdout": "........................... [100%]\n27 passed in 0.08s\n",
"stderr": "",
"exit_code": 0
}Turn 7at 141 s58 tokens out7,125 prompt tokens
All tests in `tap/tests/test_parser.py` passed. I'll run all tests just to be safe.
TOOL CALL · run_command
{
"command": "pytest tap/tests -q --tb=short --no-header"
}Result of run_command 243 characters
{
"status": "ok",
"stdout": "........................................................................ [ 63%]\n.......................................... [100%]\n114 passed in 0.09s\n",
"stderr": "",
"exit_code": 0
}Turn 8at 145 s41 tokens out7,257 prompt tokens
Everything looks good. I'll do one final check of my changes and the environment.
TOOL CALL · run_command
{
"command": "git status --short && git diff"
}Result of run_command 683 characters
{
"status": "ok",
"stdout": " M tap/parser.py\ndiff --git a/tap/parser.py b/tap/parser.py\nindex 637436b..69c74b4 100644\n--- a/tap/parser.py\n+++ b/tap/parser.py\n@@ -181,7 +181,7 @@ WARNING: Optional imports not found, TAP 13 output will be\n try:\n next(fh)\n while indent_match.match(fh.peek()):\n- raw_yaml.append(next(fh).replace(indent, \"\", 1))\n+ raw_yaml.append(next(fh).replace(indent, \"\", 1).rstrip('\\r\\n'))\n # check for the end and stop adding yaml if encountered\n if self.yaml_block_end.match(fh.peek()):\n next(fh)\n",
"stderr": "",
"exit_code": 0
}Turn 9at 151 s91 tokens out7,552 prompt tokens
The diff is exactly what I expected. I have: 1. Reproduced the bug. 2. Fixed the bug in `tap/parser.py` by removing trailing newlines from each line in `_extract_yaml_block` before joining them with `\n`. 3. Verified the fix with the reproduction script and all project tests. I'm ready to submit.
TOOL CALL · submit_patch
Result of submit_patch 55 characters
{
"status": "ok",
"patch_size": 586,
"files_changed": 1
}Turn 10at 160 s102 tokens out7,682 prompt tokens
The patch has been submitted. I'll now finish.
Turn 11at 160 s
The bug was located in `tap/parser.py` within the `_extract_yaml_block` method, where lines read from the file handler (which include trailing newline characters) were being joined with another `\n`, resulting in unwanted empty lines in multi-line YAML strings. I fixed this by applying `.rstrip('\r\n')` to each line before appending it to the `raw_yaml` list.
Model calls (not matched to turns)
Generated tokens 326 tokens · stopped: STOP
The user is reporting a bug in `tap.parser._extract_yaml_block()`. The issue is that it uses `"\n".join(raw_yaml)` without stripping newline characters from each line in `raw_yaml`, which leads to double newlines in the resulting YAML string when parsed. I need to: 1. Reproduce the bug using the provided example. 2. Locate `_extract_yaml_block` in `tap/parser.py`. 3. Fix the bug by stripping the newlines before joining. 4. Verify the fix. Plan: - Run a reproduction script. - Read `tap/parser.py` to find `_extract_yaml_block`. - Fix it. - Run reproduction script and tests.
<|channel>thought
The user is reporting a bug in `tap.parser._extract_yaml_block()`.
The issue is that it uses `"\n".join(raw_yaml)` without stripping newline characters from each line in `raw_yaml`, which leads to double newlines in the resulting YAML string when parsed.
I need to:
1. Reproduce the bug using the provided example.
2. Locate `_extract_yaml_block` in `tap/parser.py`.
3. Fix the bug by stripping the newlines before joining.
4. Verify the fix.
Plan:
- Run a reproduction script.
- Read `tap/parser.py` to find `_extract_yaml_block`.
- Fix it.
- Run reproduction script and tests.<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import tap.parser
tap_input = """TAP version 13
1..2
ok 1 A passing test
---
message: test
severity: fail
output: |+
this is a multiline
string but with tap
somehow blank lines
are added to it.
"""
parser = tap.parser.Parser()
for i, l in enumerate(parser.parse_text(tap_input)):
if i == 2:
print("{!r}".format(l.yaml_block["output"].splitlines()))
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 126 tokens · stopped: STOP
The reproduction script confirms the bug. The output is `['', 'this is a multiline', '', 'string but with tap', '', 'somehow blank lines', '', 'are added to it.']` instead of `['this is a multiline', 'string but with tap', 'somehow blank lines', 'are added to it.']`. Now I will locate `_extract_yaml_block` in `tap/parser.py`.
The reproduction script confirms the bug. The output is `['', 'this is a multiline', '', 'string but with tap', '', 'somehow blank lines', '', 'are added to it.']` instead of `['this is a multiline', 'string but with tap', 'somehow blank lines', 'are added to it.']`.
Now I will locate `_extract_yaml_block` in `tap/parser.py`.<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "def _extract_yaml_block" tap/parser.py<|"|>}<tool_call|><|tool_response>
Generated tokens 55 tokens · stopped: STOP
Now I will read `tap/parser.py` around line 177.
Now I will read `tap/parser.py` around line 177.
<channel|><|tool_call>call:read_file{end_line:200,filepath:<|"|>tap/parser.py<|"|>,start_line:170}<tool_call|><|tool_response>
Generated tokens 1,652 tokens · stopped: STOP
The code is:
```python
def _extract_yaml_block(self, indent, fh):
"""Extract a raw yaml block from a file handler"""
raw_yaml = []
indent_match = re.compile(r"^{}".format(indent))
try:
next(fh)
while indent_match.match(fh.peek()):
raw_yaml.append(next(fh).replace(indent, "", 1))
# check for the end and stop adding yaml if encountered
if self.yaml_block_end.match(fh.peek()):
next(fh)
break
except StopIteration:
pass
return "\n".join(raw_yaml)
```
The `next(fh)` returns a line that likely includes the trailing newline character `\n`.
When `raw_yaml.append(next(fh).replace(indent, "", 1))` is called, the line still has its trailing newline.
Then `"\n".join(raw_yaml)` adds another newline between each line.
This causes the double newlines.
I should strip the trailing newline from the line before appending it to `raw_yaml`.
Specifically, using `rstrip('\r\n')` (or just `.rstrip('\n')` or `.rstrip('\r\n')`) should work.
Actually, if the goal is to preserve trailing spaces but remove the newline, `rstrip('\n').rstrip('\r')` or similar is better.
Wait, if I use `rstrip()`, it might remove trailing spaces which might be significant in some YAML contexts (though rare for standard values).
However, usually `next(fh)` in Python for a file-like object (or a generator of lines) includes the trailing newline.
Let's check what exactly `next(fh)` contains.
If I change `raw_yaml.append(next(fh).replace(indent, "", 1))` to `raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))`, that should fix it.
Let me double check the provided example's output:
`['', 'this is a multiline', '', 'string but with tap', '', 'somehow blank lines', '', 'are added to it.']`
The empty strings at the beginning and between lines indicate that we have `\n\n` sequences.
Example analysis:
Line 1 of YAML block (after `---`): ` message: test\n`
Line 2: ` severity: fail\n`
Line 3: ` output: |+\n`
Line 4: ` this is a multiline\n`
Line 5: ` string but with tap\n`
Line 6: ` somehow blank lines\n`
Line 7: ` are added to it.\n`
In `_extract_yaml_block`:
`indent` is ` ` (3 spaces)
`next(fh)` for Line 4 returns ` this is a multiline\n`
`.replace(indent, "", 1)` returns ` this is a multiline\n` (assuming 3 spaces were replaced)
`raw_yaml.append(' this is a multiline\n')`
Then `"\n".join(raw_yaml)` produces `... this is a multiline\n\n string but with tap\n...`
Wait, let's re-examine the example provided by the user.
The input has:
```python
tap_input = """TAP version 13
1..2
ok 1 A passing test
---
message: test
severity: fail
output: |+
this is a multiline
string but with tap
somehow blank lines
are added to it.
"""
```
The `---` is preceded by 3 spaces.
The lines after `---` are indented by 3 spaces.
The lines under `output: |+` are indented by 5 spaces.
When `_extract_yaml_block` is called:
1. `next(fh)` skips the ` ---` line.
2. `indent_match` is `^ `.
3. `next(fh)` for ` message: test\n` matches. `replace(" ", "", 1)` gives `message: test\n`.
4. ...
5. `next(fh)` for ` this is a multiline\n` matches. `replace(" ", "", 1)` gives ` this is a multiline\n`.
6. ...
7. `raw_yaml` contains `['message: test\n', 'severity: fail\n', 'output: |+\n', ' this is a multiline\n', ' string but with tap\n', ' somehow blank lines\n', ' are added to it.\n']` (approx)
8. `"\n".join(raw_yaml)` results in:
`message: test\n\nseverity: fail\n\noutput: |+\n\n this is a multiline\n\n string but with tap\n\n somehow blank lines\n\n are added to it.\n`
When YAML parser parses this, the `|+` (keep trailing newlines) preserves the content.
The `output` block starts with `\n\n this is a multiline\n\n string but with tap\n\n somehow blank lines\n\n are added to it.\n`.
Wait, YAML consumes the first newline after the block scalar indicator.
Anyway, the fix is clear: remove the trailing newline from the lines extracted from the file handler before joining them with `\n`.
The safest way to remove only the trailing newline characters (LF and CRLF) is `.rstrip('\r\n')`.
Let's refine the fix:
`raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))`
Wait, should I use `rstrip('\n').rstrip('\r')` or just `rstrip('\r\n')`? `rstrip('\r\n')` removes any combination of `\r` and `\n` from the right end of the string.
Let's prepare the fix.
```python
<<<<
raw_yaml.append(next(fh).replace(indent, "", 1))
====
raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))
>>>>
```
Let's double check if `rstrip('\r\n')` is appropriate. If a line has trailing spaces, `rstrip()` would remove them, but `rstrip('\r\n')` only removes the carriage return and newline. This is exactly what we want to preserve YAML's trailing spaces.
Actually, let's look at how `next(fh)` works across different platforms. It should return a string ending in `\n` or `\r\n`.
Let's try to reproduce and fix.
The code is:
```python
def _extract_yaml_block(self, indent, fh):
"""Extract a raw yaml block from a file handler"""
raw_yaml = []
indent_match = re.compile(r"^{}".format(indent))
try:
next(fh)
while indent_match.match(fh.peek()):
raw_yaml.append(next(fh).replace(indent, "", 1))
# check for the end and stop adding yaml if encountered
if self.yaml_block_end.match(fh.peek()):
next(fh)
break
except StopIteration:
pass
return "\n".join(raw_yaml)
```
The `next(fh)` returns a line that likely includes the trailing newline character `\n`.
When `raw_yaml.append(next(fh).replace(indent, "", 1))` is called, the line still has its trailing newline.
Then `"\n".join(raw_yaml)` adds another newline between each line.
This causes the double newlines.
I should strip the trailing newline from the line before appending it to `raw_yaml`.
Specifically, using `rstrip('\r\n')` (or just `.rstrip('\n')` or `.rstrip('\r\n')`) should work.
Actually, if the goal is to preserve trailing spaces but remove the newline, `rstrip('\n').rstrip('\r')` or similar is better.
Wait, if I use `rstrip()`, it might remove trailing spaces which might be significant in some YAML contexts (though rare for standard values).
However, usually `next(fh)` in Python for a file-like object (or a generator of lines) includes the trailing newline.
Let's check what exactly `next(fh)` contains.
If I change `raw_yaml.append(next(fh).replace(indent, "", 1))` to `raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))`, that should fix it.
Let me double check the provided example's output:
`['', 'this is a multiline', '', 'string but with tap', '', 'somehow blank lines', '', 'are added to it.']`
The empty strings at the beginning and between lines indicate that we have `\n\n` sequences.
Example analysis:
Line 1 of YAML block (after `---`): ` message: test\n`
Line 2: ` severity: fail\n`
Line 3: ` output: |+\n`
Line 4: ` this is a multiline\n`
Line 5: ` string but with tap\n`
Line 6: ` somehow blank lines\n`
Line 7: ` are added to it.\n`
In `_extract_yaml_block`:
`indent` is ` ` (3 spaces)
`next(fh)` for Line 4 returns ` this is a multiline\n`
`.replace(indent, "", 1)` returns ` this is a multiline\n` (assuming 3 spaces were replaced)
`raw_yaml.append(' this is a multiline\n')`
Then `"\n".join(raw_yaml)` produces `... this is a multiline\n\n string but with tap\n...`
Wait, let's re-examine the example provided by the user.
The input has:
```python
tap_input = """TAP version 13
1..2
ok 1 A passing test
---
message: test
severity: fail
output: |+
this is a multiline
string but with tap
somehow blank lines
are added to it.
"""
```
The `---` is preceded by 3 spaces.
The lines after `---` are indented by 3 spaces.
The lines under `output: |+` are indented by 5 spaces.
When `_extract_yaml_block` is called:
1. `next(fh)` skips the ` ---` line.
2. `indent_match` is `^ `.
3. `next(fh)` for ` message: test\n` matches. `replace(" ", "", 1)` gives `message: test\n`.
4. ...
5. `next(fh)` for ` this is a multiline\n` matches. `replace(" ", "", 1)` gives ` this is a multiline\n`.
6. ...
7. `raw_yaml` contains `['message: test\n', 'severity: fail\n', 'output: |+\n', ' this is a multiline\n', ' string but with tap\n', ' somehow blank lines\n', ' are added to it.\n']` (approx)
8. `"\n".join(raw_yaml)` results in:
`message: test\n\nseverity: fail\n\noutput: |+\n\n this is a multiline\n\n string but with tap\n\n somehow blank lines\n\n are added to it.\n`
When YAML parser parses this, the `|+` (keep trailing newlines) preserves the content.
The `output` block starts with `\n\n this is a multiline\n\n string but with tap\n\n somehow blank lines\n\n are added to it.\n`.
Wait, YAML consumes the first newline after the block scalar indicator.
Anyway, the fix is clear: remove the trailing newline from the lines extracted from the file handler before joining them with `\n`.
The safest way to remove only the trailing newline characters (LF and CRLF) is `.rstrip('\r\n')`.
Let's refine the fix:
`raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))`
Wait, should I use `rstrip('\n').rstrip('\r')` or just `rstrip('\r\n')`? `rstrip('\r\n')` removes any combination of `\r` and `\n` from the right end of the string.
Let's prepare the fix.
```python
<<<<
raw_yaml.append(next(fh).replace(indent, "", 1))
====
raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))
>>>>
```
Let's double check if `rstrip('\r\n')` is appropriate. If a line has trailing spaces, `rstrip()` would remove them, but `rstrip('\r\n')` only removes the carriage return and newline. This is exactly what we want to preserve YAML's trailing spaces.
Actually, let's look at how `next(fh)` works across different platforms. It should return a string ending in `\n` or `\r\n`.
Let's try to reproduce and fix.
<channel|><|tool_call>call:edit_file{filepath:<|"|>tap/parser.py<|"|>,new_string:<|"|> raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))<|"|>,old_string:<|"|> raw_yaml.append(next(fh).replace(indent, "", 1))<|"|>}<tool_call|><|tool_response>
Generated tokens 168 tokens · stopped: STOP
Now I will run the reproduction script again to verify the fix.
Now I will run the reproduction script again to verify the fix.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import tap.parser
tap_input = """TAP version 13
1..2
ok 1 A passing test
---
message: test
severity: fail
output: |+
this is a multiline
string but with tap
somehow blank lines
are added to it.
"""
parser = tap.parser.Parser()
for i, l in enumerate(parser.parse_text(tap_input)):
if i == 2:
print("{!r}".format(l.yaml_block["output"].splitlines()))
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 91 tokens · stopped: STOP
The reproduction script now returns the expected result: `['this is a multiline', 'string but with tap', 'somehow blank lines', 'are added to it.']`. Now I should run the existing tests to make sure I didn't break anything.
The reproduction script now returns the expected result: `['this is a multiline', 'string but with tap', 'somehow blank lines', 'are added to it.']`.
Now I should run the existing tests to make sure I didn't break anything.
<channel|><|tool_call>call:run_command{command:<|"|>pytest tap/tests/test_parser.py -q --tb=short --no-header<|"|>}<tool_call|><|tool_response>
Generated tokens 58 tokens · stopped: STOP
All tests in `tap/tests/test_parser.py` passed. I'll run all tests just to be safe.
All tests in `tap/tests/test_parser.py` passed.
I'll run all tests just to be safe.
<channel|><|tool_call>call:run_command{command:<|"|>pytest tap/tests -q --tb=short --no-header<|"|>}<tool_call|><|tool_response>
Generated tokens 41 tokens · stopped: STOP
Everything looks good. I'll do one final check of my changes and the environment.
Everything looks good. I'll do one final check of my changes and the environment.
<channel|><|tool_call>call:run_command{command:<|"|>git status --short && git diff<|"|>}<tool_call|><|tool_response>
Generated tokens 91 tokens · stopped: STOP
The diff is exactly what I expected. I have: 1. Reproduced the bug. 2. Fixed the bug in `tap/parser.py` by removing trailing newlines from each line in `_extract_yaml_block` before joining them with `\n`. 3. Verified the fix with the reproduction script and all project tests. I'm ready to submit.
The diff is exactly what I expected. I have:
1. Reproduced the bug.
2. Fixed the bug in `tap/parser.py` by removing trailing newlines from each line in `_extract_yaml_block` before joining them with `\n`.
3. Verified the fix with the reproduction script and all project tests.
I'm ready to submit.
<channel|><|tool_call>call:submit_patch{}<tool_call|><|tool_response>
Patch, tests and logs
Final code change Included
diff --git a/tap/parser.py b/tap/parser.py
index 637436b..69c74b4 100644
--- a/tap/parser.py
+++ b/tap/parser.py
@@ -181,7 +181,7 @@ WARNING: Optional imports not found, TAP 13 output will be
try:
next(fh)
while indent_match.match(fh.peek()):
- raw_yaml.append(next(fh).replace(indent, "", 1))
+ raw_yaml.append(next(fh).replace(indent, "", 1).rstrip('\r\n'))
# check for the end and stop adding yaml if encountered
if self.yaml_block_end.match(fh.peek()):
next(fh)
Test output Included
============================= test session starts ============================== collected 114 items tap/tests/test_adapter.py ..... [ 4%] tap/tests/test_directive.py ...... [ 9%] tap/tests/test_formatter.py .. [ 11%] tap/tests/test_line.py ....... [ 17%] tap/tests/test_loader.py ....... [ 23%] tap/tests/test_main.py ...... [ 28%] tap/tests/test_parser.py ........................... [ 52%] tap/tests/test_result.py ......... [ 60%] tap/tests/test_rules.py ........ [ 67%] tap/tests/test_runner.py ........ [ 74%] tap/tests/test_tracker.py ............................. [100%] ==================================== PASSES ==================================== - generated xml file: /tmp/rebench-grade-126dc58c08874f54ae7a7a925bae5ae8.xml -- =========================== short test summary info ============================ PASSED tap/tests/test_adapter.py::TestAdapter::test_adapter_has_filename PASSED tap/tests/test_adapter.py::TestAdapter::test_handles_not_ok_todo_test_line PASSED tap/tests/test_adapter.py::TestAdapter::test_handles_ok_test_line PASSED tap/tests/test_adapter.py::TestAdapter::test_handles_ok_todo_test_line PASSED tap/tests/test_adapter.py::TestAdapter::test_handles_skip_test_line PASSED tap/tests/test_directive.py::TestDirective::test_finds_simplest_skip PASSED tap/tests/test_directive.py::TestDirective::test_finds_simplest_todo PASSED tap/tests/test_directive.py::TestDirective::test_finds_skip PASSED tap/tests/test_directive.py::TestDirective::test_finds_todo PASSED tap/tests/test_directive.py::TestDirective::test_skip_at_beginning PASSED tap/tests/test_directive.py::TestDirective::test_todo_has_boundary PASSED tap/tests/test_formatter.py::TestFormatter::test_format_exception_as_diagnostics PASSED tap/tests/test_formatter.py::TestFormatter::test_formats_as_diagnostics PASSED tap/tests/test_line.py::TestLine::test_line_requires_category PASSED tap/tests/test_line.py::TestResult::test_category PASSED tap/tests/test_line.py::TestResult::test_ok PASSED tap/tests/test_line.py::TestResult::test_str_diagnostics PASSED tap/tests/test_line.py::TestResult::test_str_directive PASSED tap/tests/test_line.py::TestResult::test_str_not_ok PASSED tap/tests/test_line.py::TestResult::test_str_ok PASSED tap/tests/test_loader.py::TestLoader::test_errors_with_multiple_version_lines PASSED tap/tests/test_loader.py::TestLoader::test_errors_with_version_not_on_first_line PASSED tap/tests/test_loader.py::TestLoader::test_file_does_not_exist PASSED tap/tests/test_loader.py::TestLoader::test_handles_directory PASSED tap/tests/test_loader.py::TestLoader::test_handles_file PASSED tap/tests/test_loader.py::TestLoader::test_loads_from_stream PASSED tap/tests/test_loader.py::TestLoader::test_skip_plan_aborts_loading PASSED tap/tests/test_main.py::TestMain::test_build_suite_from_stdin PASSED tap/tests/test_main.py::TestMain::test_build_suite_from_stdin_dash PASSED tap/tests/test_main.py::TestMain::test_exits_with_error PASSED tap/tests/test_main.py::TestMain::test_get_successful_status PASSED tap/tests/test_main.py::TestMain::test_when_no_pipe_to_stdin PASSED tap/tests/test_main.py::TestMainModule::test_main_set_to_stream PASSED tap/tests/test_parser.py::TestParser::test_after_hash_is_not_description PASSED tap/tests/test_parser.py::TestParser::test_bail_out_line PASSED tap/tests/test_parser.py::TestParser::test_diagnostic_line PASSED tap/tests/test_parser.py::TestParser::test_errors_on_old_version PASSED tap/tests/test_parser.py::TestParser::test_finds_description PASSED tap/tests/test_parser.py::TestParser::test_finds_directive PASSED tap/tests/test_parser.py::TestParser::test_finds_not_ok PASSED tap/tests/test_parser.py::TestParser::test_finds_number PASSED tap/tests/test_parser.py::TestParser::test_finds_ok PASSED tap/tests/test_parser.py::TestParser::test_finds_plan PASSED tap/tests/test_parser.py::TestParser::test_finds_plan_with_skip PASSED tap/tests/test_parser.py::TestParser::test_finds_skip PASSED tap/tests/test_parser.py::TestParser::test_finds_todo PASSED tap/tests/test_parser.py::TestParser::test_finds_version PASSED tap/tests/test_parser.py::TestParser::test_ignores_plan_with_any_non_skip_directive PASSED tap/tests/test_parser.py::TestParser::test_malformed_yaml PASSED tap/tests/test_parser.py::TestParser::test_parse_empty_file PASSED tap/tests/test_parser.py::TestParser::test_parses_file PASSED tap/tests/test_parser.py::TestParser::test_parses_mixed PASSED tap/tests/test_parser.py::TestParser::test_parses_stdin PASSED tap/tests/test_parser.py::TestParser::test_parses_text PASSED tap/tests/test_parser.py::TestParser::test_parses_yaml PASSED tap/tests/test_parser.py::TestParser::test_parses_yaml_more_complex PASSED tap/tests/test_parser.py::TestParser::test_parses_yaml_no_association PASSED tap/tests/test_parser.py::TestParser::test_parses_yaml_no_end PASSED tap/tests/test_parser.py::TestParser::test_parses_yaml_no_start PASSED tap/tests/test_parser.py::TestParser::test_unrecognizable_line PASSED tap/tests/test_result.py::FakeTestCase::runTest PASSED tap/tests/test_result.py::TestTAPTestResult::test_adds_error PASSED tap/tests/test_result.py::TestTAPTestResult::test_adds_expected_failure PASSED tap/tests/test_result.py::TestTAPTestResult::test_adds_failure PASSED tap/tests/test_result.py::TestTAPTestResult::test_adds_skip PASSED tap/tests/test_result.py::TestTAPTestResult::test_adds_subtest_failure PASSED tap/tests/test_result.py::TestTAPTestResult::test_adds_subtest_success PASSED tap/tests/test_result.py::TestTAPTestResult::test_adds_success PASSED tap/tests/test_result.py::TestTAPTestResult::test_adds_unexpected_success PASSED tap/tests/test_rules.py::TestRules::test_errors_on_bail PASSED tap/tests/test_rules.py::TestRules::test_errors_plan_not_at_end PASSED tap/tests/test_rules.py::TestRules::test_errors_when_expected_tests_differs_from_actual PASSED tap/tests/test_rules.py::TestRules::test_handles_skipping_plan PASSED tap/tests/test_rules.py::TestRules::test_only_one_plan PASSED tap/tests/test_rules.py::TestRules::test_plan_line_two PASSED tap/tests/test_rules.py::TestRules::test_requires_plan PASSED tap/tests/test_rules.py::TestRules::test_tracks_plan_line PASSED tap/tests/test_runner.py::TestTAPTestRunner::test_bad_format_string PASSED tap/tests/test_runner.py::TestTAPTestRunner::test_has_tap_test_result PASSED tap/tests/test_runner.py::TestTAPTestRunner::test_runner_sets_tracker_for_streaming PASSED tap/tests/test_runner.py::TestTAPTestRunner::test_runner_stream_to_devnull_for_streaming PASSED tap/tests/test_runner.py::TestTAPTestRunner::test_runner_uses_combined PASSED tap/tests/test_runner.py::TestTAPTestRunner::test_runner_uses_format PASSED tap/tests/test_runner.py::TestTAPTestRunner::test_runner_uses_header PASSED tap/tests/test_runner.py::TestTAPTestRunner::test_runner_uses_outdir PASSED tap/tests/test_tracker.py::TestTracker::test_add_not_ok_writes_to_stream_while_streaming PASSED tap/tests/test_tracker.py::TestTracker::test_add_ok_writes_to_stream_while_streaming PASSED tap/tests/test_tracker.py::TestTracker::test_add_skip_writes_to_stream_while_streaming PASSED tap/tests/test_tracker.py::TestTracker::test_adds_not_ok PASSED tap/tests/test_tracker.py::TestTracker::test_adds_not_ok_with_diagnostics PASSED tap/tests/test_tracker.py::TestTracker::test_adds_ok PASSED tap/tests/test_tracker.py::TestTracker::test_adds_skip PASSED tap/tests/test_tracker.py::TestTracker::test_combined_results_in_one_file_tap_version_12 PASSED tap/tests/test_tracker.py::TestTracker::test_combined_results_in_one_file_tap_version_13 PASSED tap/tests/test_tracker.py::TestTracker::test_does_not_write_header PASSED tap/tests/test_tracker.py::TestTracker::test_generates_tap_reports_in_existing_outdir PASSED tap/tests/test_tracker.py::TestTracker::test_generates_tap_reports_in_new_outdir PASSED tap/tests/test_tracker.py::TestTracker::test_get_default_tap_file_path PASSED tap/tests/test_tracker.py::TestTracker::test_has_test_cases PASSED tap/tests/test_tracker.py::TestTracker::test_header_displayed_by_default PASSED tap/tests/test_tracker.py::TestTracker::test_header_set_by_init PASSED tap/tests/test_tracker.py::TestTracker::test_individual_report_has_no_plan_when_combined PASSED tap/tests/test_tracker.py::TestTracker::test_results_not_combined_by_default PASSED tap/tests/test_tracker.py::TestTracker::test_sanitizes_tap_file_path PASSED tap/tests/test_tracker.py::TestTracker::test_streaming_does_not_write_files PASSED tap/tests/test_tracker.py::TestTracker::test_streaming_writes_plan PASSED tap/tests/test_tracker.py::TestTracker::test_streaming_writes_tap_version_13 PASSED tap/tests/test_tracker.py::TestTracker::test_tracker_does_not_stream_by_default PASSED tap/tests/test_tracker.py::TestTracker::test_tracker_has_stream PASSED tap/tests/test_tracker.py::TestTracker::test_tracks_class PASSED tap/tests/test_tracker.py::TestTracker::test_write_plan_first_combined PASSED tap/tests/test_tracker.py::TestTracker::test_write_plan_first_not_combined PASSED tap/tests/test_tracker.py::TestTracker::test_write_plan_first_streaming PASSED tap/tests/test_tracker.py::TestTracker::test_write_plan_immediate_streaming ============================= 114 passed in 0.18s ==============================
Test errors Included
Test report (JUnit) Included
<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite name="pytest" errors="0" failures="0" skipped="0" tests="114" time="0.180" timestamp="2026-11-14T03:21:49.073050+00:00" hostname="6242d3275f3a"><testcase classname="tap.tests.test_adapter.TestAdapter" name="test_adapter_has_filename" time="0.000" /><testcase classname="tap.tests.test_adapter.TestAdapter" name="test_handles_not_ok_todo_test_line" time="0.000" /><testcase classname="tap.tests.test_adapter.TestAdapter" name="test_handles_ok_test_line" time="0.000" /><testcase classname="tap.tests.test_adapter.TestAdapter" name="test_handles_ok_todo_test_line" time="0.000" /><testcase classname="tap.tests.test_adapter.TestAdapter" name="test_handles_skip_test_line" time="0.000" /><testcase classname="tap.tests.test_directive.TestDirective" name="test_finds_simplest_skip" time="0.000" /><testcase classname="tap.tests.test_directive.TestDirective" name="test_finds_simplest_todo" time="0.000" /><testcase classname="tap.tests.test_directive.TestDirective" name="test_finds_skip" time="0.000" /><testcase classname="tap.tests.test_directive.TestDirective" name="test_finds_todo" time="0.000" /><testcase classname="tap.tests.test_directive.TestDirective" name="test_skip_at_beginning" time="0.000" /><testcase classname="tap.tests.test_directive.TestDirective" name="test_todo_has_boundary" time="0.000" /><testcase classname="tap.tests.test_formatter.TestFormatter" name="test_format_exception_as_diagnostics" time="0.000" /><testcase classname="tap.tests.test_formatter.TestFormatter" name="test_formats_as_diagnostics" time="0.000" /><testcase classname="tap.tests.test_line.TestLine" name="test_line_requires_category" time="0.000" /><testcase classname="tap.tests.test_line.TestResult" name="test_category" time="0.000" /><testcase classname="tap.tests.test_line.TestResult" name="test_ok" time="0.000" /><testcase classname="tap.tests.test_line.TestResult" name="test_str_diagnostics" time="0.000" /><testcase classname="tap.tests.test_line.TestResult" name="test_str_directive" time="0.000" /><testcase classname="tap.tests.test_line.TestResult" name="test_str_not_ok" time="0.000" /><testcase classname="tap.tests.test_line.TestResult" name="test_str_ok" time="0.000" /><testcase classname="tap.tests.test_loader.TestLoader" name="test_errors_with_multiple_version_lines" time="0.000" /><testcase classname="tap.tests.test_loader.TestLoader" name="test_errors_with_version_not_on_first_line" time="0.000" /><testcase classname="tap.tests.test_loader.TestLoader" name="test_file_does_not_exist" time="0.000" /><testcase classname="tap.tests.test_loader.TestLoader" name="test_handles_directory" time="0.000" /><testcase classname="tap.tests.test_loader.TestLoader" name="test_handles_file" time="0.000" /><testcase classname="tap.tests.test_loader.TestLoader" name="test_loads_from_stream" time="0.000" /><testcase classname="tap.tests.test_loader.TestLoader" name="test_skip_plan_aborts_loading" time="0.000" /><testcase classname="tap.tests.test_main.TestMain" name="test_build_suite_from_stdin" time="0.000" /><testcase classname="tap.tests.test_main.TestMain" name="test_build_suite_from_stdin_dash" time="0.001" /><testcase classname="tap.tests.test_main.TestMain" name="test_exits_with_error" time="0.000" /><testcase classname="tap.tests.test_main.TestMain" name="test_get_successful_status" time="0.000" /><testcase classname="tap.tests.test_main.TestMain" name="test_when_no_pipe_to_stdin" time="0.001" /><testcase classname="tap.tests.test_main.TestMainModule" name="test_main_set_to_stream" time="0.001" /><testcase classname="tap.tests.test_parser.TestParser" name="test_after_hash_is_not_description" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_bail_out_line" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_diagnostic_line" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_errors_on_old_version" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_finds_description" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_finds_directive" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_finds_not_ok" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_finds_number" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_finds_ok" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_finds_plan" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_finds_plan_with_skip" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_finds_skip" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_finds_todo" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_finds_version" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_ignores_plan_with_any_non_skip_directive" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_malformed_yaml" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_parse_empty_file" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_parses_file" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_parses_mixed" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_parses_stdin" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_parses_text" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_parses_yaml" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_parses_yaml_more_complex" time="0.001" /><testcase classname="tap.tests.test_parser.TestParser" name="test_parses_yaml_no_association" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_parses_yaml_no_end" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_parses_yaml_no_start" time="0.000" /><testcase classname="tap.tests.test_parser.TestParser" name="test_unrecognizable_line" time="0.000" /><testcase classname="tap.tests.test_result.FakeTestCase" name="runTest" time="0.000" /><testcase classname="tap.tests.test_result.TestTAPTestResult" name="test_adds_error" time="0.000" /><testcase classname="tap.tests.test_result.TestTAPTestResult" name="test_adds_expected_failure" time="0.000" /><testcase classname="tap.tests.test_result.TestTAPTestResult" name="test_adds_failure" time="0.000" /><testcase classname="tap.tests.test_result.TestTAPTestResult" name="test_adds_skip" time="0.000" /><testcase classname="tap.tests.test_result.TestTAPTestResult" name="test_adds_subtest_failure" time="0.000" /><testcase classname="tap.tests.test_result.TestTAPTestResult" name="test_adds_subtest_success" time="0.000" /><testcase classname="tap.tests.test_result.TestTAPTestResult" name="test_adds_success" time="0.000" /><testcase classname="tap.tests.test_result.TestTAPTestResult" name="test_adds_unexpected_success" time="0.000" /><testcase classname="tap.tests.test_rules.TestRules" name="test_errors_on_bail" time="0.000" /><testcase classname="tap.tests.test_rules.TestRules" name="test_errors_plan_not_at_end" time="0.000" /><testcase classname="tap.tests.test_rules.TestRules" name="test_errors_when_expected_tests_differs_from_actual" time="0.000" /><testcase classname="tap.tests.test_rules.TestRules" name="test_handles_skipping_plan" time="0.000" /><testcase classname="tap.tests.test_rules.TestRules" name="test_only_one_plan" time="0.000" /><testcase classname="tap.tests.test_rules.TestRules" name="test_plan_line_two" time="0.000" /><testcase classname="tap.tests.test_rules.TestRules" name="test_requires_plan" time="0.000" /><testcase classname="tap.tests.test_rules.TestRules" name="test_tracks_plan_line" time="0.000" /><testcase classname="tap.tests.test_runner.TestTAPTestRunner" name="test_bad_format_string" time="0.001" /><testcase classname="tap.tests.test_runner.TestTAPTestRunner" name="test_has_tap_test_result" time="0.000" /><testcase classname="tap.tests.test_runner.TestTAPTestRunner" name="test_runner_sets_tracker_for_streaming" time="0.000" /><testcase classname="tap.tests.test_runner.TestTAPTestRunner" name="test_runner_stream_to_devnull_for_streaming" time="0.000" /><testcase classname="tap.tests.test_runner.TestTAPTestRunner" name="test_runner_uses_combined" time="0.000" /><testcase classname="tap.tests.test_runner.TestTAPTestRunner" name="test_runner_uses_format" time="0.000" /><testcase classname="tap.tests.test_runner.TestTAPTestRunner" name="test_runner_uses_header" time="0.000" /><testcase classname="tap.tests.test_runner.TestTAPTestRunner" name="test_runner_uses_outdir" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_add_not_ok_writes_to_stream_while_streaming" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_add_ok_writes_to_stream_while_streaming" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_add_skip_writes_to_stream_while_streaming" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_adds_not_ok" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_adds_not_ok_with_diagnostics" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_adds_ok" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_adds_skip" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_combined_results_in_one_file_tap_version_12" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_combined_results_in_one_file_tap_version_13" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_does_not_write_header" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_generates_tap_reports_in_existing_outdir" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_generates_tap_reports_in_new_outdir" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_get_default_tap_file_path" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_has_test_cases" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_header_displayed_by_default" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_header_set_by_init" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_individual_report_has_no_plan_when_combined" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_results_not_combined_by_default" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_sanitizes_tap_file_path" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_streaming_does_not_write_files" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_streaming_writes_plan" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_streaming_writes_tap_version_13" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_tracker_does_not_stream_by_default" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_tracker_has_stream" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_tracks_class" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_write_plan_first_combined" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_write_plan_first_not_combined" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_write_plan_first_streaming" time="0.000" /><testcase classname="tap.tests.test_tracker.TestTracker" name="test_write_plan_immediate_streaming" time="0.000" /></testsuite></testsuites>
Agent log Included
[ 0.0s] 📋 System Prompt: You are a principal Python software engineer resolving a repository issue in `/workspace`.
[ 0.0s] 🎯 Task Prompt: You are evaluating a software engineering task for repository python-tap/tappy.
[ 20.2s] 💭 (584 chars) "The user is reporting a bug in `tap.parser._extract_yaml_block()`.
The issue is that it uses `"\n".join(raw_yaml)` witho..."
[ 20.2s] 🔧 run_command (21 lines) python3 - <<'PY'
[ 20.4s] → ['', 'this is a multiline', '', 'string but with tap', '', 'somehow blank lines', '', 'are added to
it.']
[ 26.5s] 💭 (328 chars) "The reproduction script confirms the bug. The output is `['', 'this is a multiline', '',
'string but with tap', '', 'som..."
[ 26.5s] 🔧 run_command grep -rn "def _extract_yaml_block" tap/parser.py
[ 26.5s] → 177: def _extract_yaml_block(self, indent, fh):
[ 30.5s] 💭 (48 chars) "Now I will read `tap/parser.py` around line 177."
[ 30.5s] 📖 read_file (tap/parser.py)
[ 30.5s] ✓ {'status': 'ok', 'filepath': 'tap/parser.py', 'content': ' ok,\n
number=match.group("number"),\n …
[ 124.4s] 💭 (5108 chars) "The code is:
```python
def _extract_yaml_block(self, indent, fh):
"""Extract a raw yaml block from a file ha..."
[ 124.4s] ✏️ edit_file (tap/parser.py)
[ 124.5s] ✓ {'status': 'ok', 'filepath': 'tap/parser.py', 'occurrences': 1, 'strategy': 'exact', 'diff': '---
a/tap/parser.py\n+++ b…
[ 129.8s] 💭 (63 chars) "Now I will run the reproduction script again to verify the fix."
[ 129.8s] 🔧 run_command (21 lines) python3 - <<'PY'
[ 129.9s] → ['this is a multiline', 'string but with tap', 'somehow blank lines', 'are added to it.']
[ 135.5s] 💭 (224 chars) "The reproduction script now returns the expected result: `['this is a multiline', 'string
but with tap', 'somehow blank ..."
[ 135.5s] 🔧 run_command pytest tap/tests/test_parser.py -q --tb=short --no-header
[ 135.9s] → ........................... [100%]
[ 139.2s] 💭 (83 chars) "All tests in `tap/tests/test_parser.py` passed.
I'll run all tests just to be safe."
[ 139.2s] 🔧 run_command pytest tap/tests -q --tb=short --no-header
[ 139.5s] → ........................................................................ [ 63%]
[ 143.1s] 💭 (81 chars) "Everything looks good. I'll do one final check of my changes and the environment."
[ 143.1s] 🔧 run_command git status --short && git diff
[ 143.2s] → M tap/parser.py
[ 149.6s] 💭 (298 chars) "The diff is exactly what I expected. I have:
1. Reproduced the bug.
2. Fixed the bug in `tap/parser.py` by removing trai..."
[ 149.6s] 🤖 submit_patch
[ 149.6s] → submit_patch: {"status": "ok", "patch_size": 586, "files_changed": 1}
[ 158.8s] 💭 (46 chars) "The patch has been submitted. I'll now finish."
[ 158.8s] ✅ Agent finished: The bug was located in `tap/parser.py` within the `_extract_yaml_block` method, where
lines read from the file handler (which include trailing newline characters) were being joined with another `\n`, ...
Native result row
{
"agent_error": null,
"duration_seconds": 163.85,
"error": null,
"grade": {
"collected_tests": 114,
"competition_junit_ok": true,
"error": null,
"required_issues_count": 0,
"resolved": true,
"status_counts": {
"PASSED": 114
},
"strict_clean_patch": true,
"test_exit_code": 0
},
"instance_id": "python-tap__tappy-112",
"pass_idx": 0,
"patch_chars": 586,
"phase1_seconds": 162.82,
"repo": "python-tap/tappy",
"request_log_path": "/kaggle-root/working/r31/rollouts_X/requests/python-tap__tappy-112__p0__r5.jsonl",
"resolved": true,
"rollout_idx": 5,
"run_key": "python-tap__tappy-112__p0__r5",
"strict_clean_patch": true,
"tool_calls": 8,
"total_llm_calls": 10,
"trace_path": "/kaggle-root/working/r31/rollouts_X/traces/trace_python-tap__tappy-112__p0__r5.json"
}