Add simple integration tests for all output formats (#19265)
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Summary
--

I spun this off from #19133 to be sure to get an accurate baseline
before modifying any of the formats. I picked the code snippet to
include a lint diagnostic with a fix, one without a fix, and one syntax
error. I'm happy to expand it if there are any other kinds we want to
test.

I initially passed `CONTENT` on stdin, but I was a bit surprised to
notice that some of our output formats include an absolute path to the
file. I switched to a `TempDir` to use the `tempdir_filter`.

Test Plan
--

New CLI tests
This commit is contained in:
Brent Westbrook 2025-07-10 17:57:48 -04:00 committed by GitHub
parent f2ae12bab3
commit 08bc6d2589
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
13 changed files with 673 additions and 0 deletions

View file

@ -5692,3 +5692,56 @@ class Foo:
"
);
}
#[test_case::test_case("concise")]
#[test_case::test_case("full")]
#[test_case::test_case("json")]
#[test_case::test_case("json-lines")]
#[test_case::test_case("junit")]
#[test_case::test_case("grouped")]
#[test_case::test_case("github")]
#[test_case::test_case("gitlab")]
#[test_case::test_case("pylint")]
#[test_case::test_case("rdjson")]
#[test_case::test_case("azure")]
#[test_case::test_case("sarif")]
fn output_format(output_format: &str) -> Result<()> {
const CONTENT: &str = "\
import os # F401
x = y # F821
match 42: # invalid-syntax
case _: ...
";
let tempdir = TempDir::new()?;
let input = tempdir.path().join("input.py");
fs::write(&input, CONTENT)?;
let snapshot = format!("output_format_{output_format}");
insta::with_settings!({
filters => vec![
(tempdir_filter(&tempdir).as_str(), "[TMP]/"),
(r#""[^"]+\\?/?input.py"#, r#""[TMP]/input.py"#),
]
}, {
assert_cmd_snapshot!(
snapshot,
Command::new(get_cargo_bin(BIN_NAME))
.args([
"check",
"--no-cache",
"--output-format",
output_format,
"--select",
"F401,F821",
"--target-version",
"py39",
"input.py",
])
.current_dir(&tempdir),
);
});
Ok(())
}

View file

@ -0,0 +1,23 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- azure
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
##vso[task.logissue type=error;sourcepath=[TMP]/input.py;linenumber=1;columnnumber=8;code=F401;]`os` imported but unused
##vso[task.logissue type=error;sourcepath=[TMP]/input.py;linenumber=2;columnnumber=5;code=F821;]Undefined name `y`
##vso[task.logissue type=error;sourcepath=[TMP]/input.py;linenumber=3;columnnumber=1;]SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
----- stderr -----

View file

@ -0,0 +1,25 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- concise
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
input.py:1:8: F401 [*] `os` imported but unused
input.py:2:5: F821 Undefined name `y`
input.py:3:1: SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
Found 3 errors.
[*] 1 fixable with the `--fix` option.
----- stderr -----

View file

@ -0,0 +1,49 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- full
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
input.py:1:8: F401 [*] `os` imported but unused
|
1 | import os # F401
| ^^ F401
2 | x = y # F821
3 | match 42: # invalid-syntax
|
= help: Remove unused import: `os`
input.py:2:5: F821 Undefined name `y`
|
1 | import os # F401
2 | x = y # F821
| ^ F821
3 | match 42: # invalid-syntax
4 | case _: ...
|
input.py:3:1: SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
|
1 | import os # F401
2 | x = y # F821
3 | match 42: # invalid-syntax
| ^^^^^
4 | case _: ...
|
Found 3 errors.
[*] 1 fixable with the `--fix` option.
----- stderr -----

View file

@ -0,0 +1,23 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- github
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
::error title=Ruff (F401),file=[TMP]/input.py,line=1,col=8,endLine=1,endColumn=10::input.py:1:8: F401 `os` imported but unused
::error title=Ruff (F821),file=[TMP]/input.py,line=2,col=5,endLine=2,endColumn=6::input.py:2:5: F821 Undefined name `y`
::error title=Ruff,file=[TMP]/input.py,line=3,col=1,endLine=3,endColumn=6::input.py:3:1: SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
----- stderr -----

View file

@ -0,0 +1,60 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- gitlab
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
[
{
"check_name": "F401",
"description": "`os` imported but unused",
"fingerprint": "4dbad37161e65c72",
"location": {
"lines": {
"begin": 1,
"end": 1
},
"path": "input.py"
},
"severity": "major"
},
{
"check_name": "F821",
"description": "Undefined name `y`",
"fingerprint": "7af59862a085230",
"location": {
"lines": {
"begin": 2,
"end": 2
},
"path": "input.py"
},
"severity": "major"
},
{
"check_name": "syntax-error",
"description": "Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)",
"fingerprint": "e558cec859bb66e8",
"location": {
"lines": {
"begin": 3,
"end": 3
},
"path": "input.py"
},
"severity": "major"
}
]
----- stderr -----

View file

@ -0,0 +1,27 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- grouped
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
input.py:
1:8 F401 [*] `os` imported but unused
2:5 F821 Undefined name `y`
3:1 SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
Found 3 errors.
[*] 1 fixable with the `--fix` option.
----- stderr -----

View file

@ -0,0 +1,23 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- json-lines
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
{"cell":null,"code":"F401","end_location":{"column":10,"row":1},"filename":"[TMP]/input.py","fix":{"applicability":"safe","edits":[{"content":"","end_location":{"column":1,"row":2},"location":{"column":1,"row":1}}],"message":"Remove unused import: `os`"},"location":{"column":8,"row":1},"message":"`os` imported but unused","noqa_row":1,"url":"https://docs.astral.sh/ruff/rules/unused-import"}
{"cell":null,"code":"F821","end_location":{"column":6,"row":2},"filename":"[TMP]/input.py","fix":null,"location":{"column":5,"row":2},"message":"Undefined name `y`","noqa_row":2,"url":"https://docs.astral.sh/ruff/rules/undefined-name"}
{"cell":null,"code":null,"end_location":{"column":6,"row":3},"filename":"[TMP]/input.py","fix":null,"location":{"column":1,"row":3},"message":"SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)","noqa_row":null,"url":null}
----- stderr -----

View file

@ -0,0 +1,88 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- json
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
[
{
"cell": null,
"code": "F401",
"end_location": {
"column": 10,
"row": 1
},
"filename": "[TMP]/input.py",
"fix": {
"applicability": "safe",
"edits": [
{
"content": "",
"end_location": {
"column": 1,
"row": 2
},
"location": {
"column": 1,
"row": 1
}
}
],
"message": "Remove unused import: `os`"
},
"location": {
"column": 8,
"row": 1
},
"message": "`os` imported but unused",
"noqa_row": 1,
"url": "https://docs.astral.sh/ruff/rules/unused-import"
},
{
"cell": null,
"code": "F821",
"end_location": {
"column": 6,
"row": 2
},
"filename": "[TMP]/input.py",
"fix": null,
"location": {
"column": 5,
"row": 2
},
"message": "Undefined name `y`",
"noqa_row": 2,
"url": "https://docs.astral.sh/ruff/rules/undefined-name"
},
{
"cell": null,
"code": null,
"end_location": {
"column": 6,
"row": 3
},
"filename": "[TMP]/input.py",
"fix": null,
"location": {
"column": 1,
"row": 3
},
"message": "SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)",
"noqa_row": null,
"url": null
}
]
----- stderr -----

View file

@ -0,0 +1,34 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- junit
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
<?xml version="1.0" encoding="UTF-8"?>
<testsuites name="ruff" tests="3" failures="3" errors="0">
<testsuite name="[TMP]/input.py" tests="3" disabled="0" errors="0" failures="3" package="org.ruff">
<testcase name="org.ruff.F401" classname="[TMP]/input" line="1" column="8">
<failure message="`os` imported but unused">line 1, col 8, `os` imported but unused</failure>
</testcase>
<testcase name="org.ruff.F821" classname="[TMP]/input" line="2" column="5">
<failure message="Undefined name `y`">line 2, col 5, Undefined name `y`</failure>
</testcase>
<testcase name="org.ruff" classname="[TMP]/input" line="3" column="1">
<failure message="SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)">line 3, col 1, SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)</failure>
</testcase>
</testsuite>
</testsuites>
----- stderr -----

View file

@ -0,0 +1,23 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- pylint
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
input.py:1: [F401] `os` imported but unused
input.py:2: [F821] Undefined name `y`
input.py:3: SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)
----- stderr -----

View file

@ -0,0 +1,103 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- rdjson
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
{
"diagnostics": [
{
"code": {
"url": "https://docs.astral.sh/ruff/rules/unused-import",
"value": "F401"
},
"location": {
"path": "[TMP]/input.py",
"range": {
"end": {
"column": 10,
"line": 1
},
"start": {
"column": 8,
"line": 1
}
}
},
"message": "`os` imported but unused",
"suggestions": [
{
"range": {
"end": {
"column": 1,
"line": 2
},
"start": {
"column": 1,
"line": 1
}
},
"text": ""
}
]
},
{
"code": {
"url": "https://docs.astral.sh/ruff/rules/undefined-name",
"value": "F821"
},
"location": {
"path": "[TMP]/input.py",
"range": {
"end": {
"column": 6,
"line": 2
},
"start": {
"column": 5,
"line": 2
}
}
},
"message": "Undefined name `y`"
},
{
"code": {
"url": null,
"value": null
},
"location": {
"path": "[TMP]/input.py",
"range": {
"end": {
"column": 6,
"line": 3
},
"start": {
"column": 1,
"line": 3
}
}
},
"message": "SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)"
}
],
"severity": "warning",
"source": {
"name": "ruff",
"url": "https://docs.astral.sh/ruff"
}
}
----- stderr -----

View file

@ -0,0 +1,142 @@
---
source: crates/ruff/tests/lint.rs
info:
program: ruff
args:
- check
- "--no-cache"
- "--output-format"
- sarif
- "--select"
- "F401,F821"
- "--target-version"
- py39
- input.py
---
success: false
exit_code: 1
----- stdout -----
{
"$schema": "https://json.schemastore.org/sarif-2.1.0.json",
"runs": [
{
"results": [
{
"level": "error",
"locations": [
{
"physicalLocation": {
"artifactLocation": {
"uri": "[TMP]/input.py"
},
"region": {
"endColumn": 10,
"endLine": 1,
"startColumn": 8,
"startLine": 1
}
}
}
],
"message": {
"text": "`os` imported but unused"
},
"ruleId": "F401"
},
{
"level": "error",
"locations": [
{
"physicalLocation": {
"artifactLocation": {
"uri": "[TMP]/input.py"
},
"region": {
"endColumn": 6,
"endLine": 2,
"startColumn": 5,
"startLine": 2
}
}
}
],
"message": {
"text": "Undefined name `y`"
},
"ruleId": "F821"
},
{
"level": "error",
"locations": [
{
"physicalLocation": {
"artifactLocation": {
"uri": "[TMP]/input.py"
},
"region": {
"endColumn": 6,
"endLine": 3,
"startColumn": 1,
"startLine": 3
}
}
}
],
"message": {
"text": "SyntaxError: Cannot use `match` statement on Python 3.9 (syntax was added in Python 3.10)"
},
"ruleId": null
}
],
"tool": {
"driver": {
"informationUri": "https://github.com/astral-sh/ruff",
"name": "ruff",
"rules": [
{
"fullDescription": {
"text": "## What it does\nChecks for unused imports.\n\n## Why is this bad?\nUnused imports add a performance overhead at runtime, and risk creating\nimport cycles. They also increase the cognitive load of reading the code.\n\nIf an import statement is used to check for the availability or existence\nof a module, consider using `importlib.util.find_spec` instead.\n\nIf an import statement is used to re-export a symbol as part of a module's\npublic interface, consider using a \"redundant\" import alias, which\ninstructs Ruff (and other tools) to respect the re-export, and avoid\nmarking it as unused, as in:\n\n```python\nfrom module import member as member\n```\n\nAlternatively, you can use `__all__` to declare a symbol as part of the module's\ninterface, as in:\n\n```python\n# __init__.py\nimport some_module\n\n__all__ = [\"some_module\"]\n```\n\n## Fix safety\n\nFixes to remove unused imports are safe, except in `__init__.py` files.\n\nApplying fixes to `__init__.py` files is currently in preview. The fix offered depends on the\ntype of the unused import. Ruff will suggest a safe fix to export first-party imports with\neither a redundant alias or, if already present in the file, an `__all__` entry. If multiple\n`__all__` declarations are present, Ruff will not offer a fix. Ruff will suggest an unsafe fix\nto remove third-party and standard library imports -- the fix is unsafe because the module's\ninterface changes.\n\n## Example\n\n```python\nimport numpy as np # unused import\n\n\ndef area(radius):\n return 3.14 * radius**2\n```\n\nUse instead:\n\n```python\ndef area(radius):\n return 3.14 * radius**2\n```\n\nTo check the availability of a module, use `importlib.util.find_spec`:\n\n```python\nfrom importlib.util import find_spec\n\nif find_spec(\"numpy\") is not None:\n print(\"numpy is installed\")\nelse:\n print(\"numpy is not installed\")\n```\n\n## Preview\nWhen [preview](https://docs.astral.sh/ruff/preview/) is enabled,\nthe criterion for determining whether an import is first-party\nis stricter, which could affect the suggested fix. See [this FAQ section](https://docs.astral.sh/ruff/faq/#how-does-ruff-determine-which-of-my-imports-are-first-party-third-party-etc) for more details.\n\n## Options\n- `lint.ignore-init-module-imports`\n- `lint.pyflakes.allowed-unused-imports`\n\n## References\n- [Python documentation: `import`](https://docs.python.org/3/reference/simple_stmts.html#the-import-statement)\n- [Python documentation: `importlib.util.find_spec`](https://docs.python.org/3/library/importlib.html#importlib.util.find_spec)\n- [Typing documentation: interface conventions](https://typing.python.org/en/latest/source/libraries.html#library-interface-public-and-private-symbols)\n"
},
"help": {
"text": "`{name}` imported but unused; consider using `importlib.util.find_spec` to test for availability"
},
"helpUri": "https://docs.astral.sh/ruff/rules/unused-import",
"id": "F401",
"properties": {
"id": "F401",
"kind": "Pyflakes",
"name": "unused-import",
"problem.severity": "error"
},
"shortDescription": {
"text": "`{name}` imported but unused; consider using `importlib.util.find_spec` to test for availability"
}
},
{
"fullDescription": {
"text": "## What it does\nChecks for uses of undefined names.\n\n## Why is this bad?\nAn undefined name is likely to raise `NameError` at runtime.\n\n## Example\n```python\ndef double():\n return n * 2 # raises `NameError` if `n` is undefined when `double` is called\n```\n\nUse instead:\n```python\ndef double(n):\n return n * 2\n```\n\n## Options\n- [`target-version`]: Can be used to configure which symbols Ruff will understand\n as being available in the `builtins` namespace.\n\n## References\n- [Python documentation: Naming and binding](https://docs.python.org/3/reference/executionmodel.html#naming-and-binding)\n"
},
"help": {
"text": "Undefined name `{name}`. {tip}"
},
"helpUri": "https://docs.astral.sh/ruff/rules/undefined-name",
"id": "F821",
"properties": {
"id": "F821",
"kind": "Pyflakes",
"name": "undefined-name",
"problem.severity": "error"
},
"shortDescription": {
"text": "Undefined name `{name}`. {tip}"
}
}
],
"version": "0.12.2"
}
}
}
],
"version": "2.1.0"
}
----- stderr -----