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Fix xml writing bug introduced in #16388 #16713

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Jan 2, 2024
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22 changes: 22 additions & 0 deletions mypy/test/testutil.py
Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,28 @@ def test_junit_pass(self) -> None:
<testcase classname="mypy" file="mypy" line="1" name="mypy-py3.14-test-plat" time="1.230">
</testcase>
</testsuite>
"""
result = _generate_junit_contents(
dt=1.23,
serious=serious,
messages_by_file=messages_by_file,
version="3.14",
platform="test-plat",
)
assert result == expected

def test_junit_fail_escape_xml_chars(self) -> None:
serious = False
messages_by_file: dict[str | None, list[str]] = {
"file1.py": ["Test failed", "another line < > &"]
}
expected = """<?xml version="1.0" encoding="utf-8"?>
<testsuite errors="0" failures="1" name="mypy" skips="0" tests="1" time="1.230">
<testcase classname="mypy" file="file1.py" line="1" name="mypy-py3.14-test-plat file1.py" time="1.230">
<failure message="mypy produced messages">Test failed
another line &lt; &gt; &amp;</failure>
</testcase>
</testsuite>
"""
result = _generate_junit_contents(
dt=1.23,
Expand Down
6 changes: 4 additions & 2 deletions mypy/util.py
Original file line number Diff line number Diff line change
Expand Up @@ -263,6 +263,8 @@ def _generate_junit_contents(
version: str,
platform: str,
) -> str:
from xml.sax.saxutils import escape

if serious:
failures = 0
errors = len(messages_by_file)
Expand All @@ -284,7 +286,7 @@ def _generate_junit_contents(
for filename, messages in messages_by_file.items():
if filename is not None:
xml += JUNIT_TESTCASE_FAIL_TEMPLATE.format(
text="\n".join(messages),
text=escape("\n".join(messages)),
filename=filename,
time=dt,
name="mypy-py{ver}-{platform} {filename}".format(
Expand All @@ -293,7 +295,7 @@ def _generate_junit_contents(
)
else:
xml += JUNIT_TESTCASE_FAIL_TEMPLATE.format(
text="\n".join(messages),
text=escape("\n".join(messages)),
filename="mypy",
time=dt,
name="mypy-py{ver}-{platform}".format(ver=version, platform=platform),
Expand Down