Oct 27, 2025 · Oct 24, 2025 · Oct 24, 2025 · Oct 24, 2025
diff --git a/test-data/unit/reports.test b/test-data/unit/reports.test
 </table>
 </body>
 </html>

 [case testReportCoberturaCrashOnNamespacePackages]
 # cmd: mypy --cobertura-xml-report report -p folder
 -- Regression test for https://github.com/python/mypy/issues/19843
 [file folder/subfolder/something.py]
 -- This output is not important, but due to the way tests are run we need to check it.
 [outfile report/cobertura.xml]
 <coverage timestamp="$TIMESTAMP" version="$VERSION" line-rate="1.0" branch-rate="0" lines-covered="0" lines-valid="0">
  <sources>
    <source>$PWD</source>
  </sources>
  <packages>
    <package complexity="1.0" name="folder" branch-rate="0" line-rate="1.0">
      <classes>
        <class complexity="1.0" filename="folder" name="folder" branch-rate="0" line-rate="1.0">
          <methods/>
          <lines/>
        </class>
        <class complexity="1.0" filename="folder/subfolder" name="subfolder" branch-rate="0" line-rate="1.0">
          <methods/>
          <lines/>
        </class>
      </classes>
    </package>
    <package complexity="1.0" name="folder.subfolder" branch-rate="0" line-rate="1.0">
      <classes>
        <class complexity="1.0" filename="folder/subfolder/something.py" name="something.py" branch-rate="0" line-rate="1.0">
          <methods/>
          <lines/>
        </class>
      </classes>
    </package>
  </packages>
 </coverage>
Original file line number	Diff line number	Diff line change
Expand Up		@@ -547,3 +547,37 @@ namespace_packages = True
		</table>
		</body>
		</html>

		[case testReportCoberturaCrashOnNamespacePackages]
		# cmd: mypy --cobertura-xml-report report -p folder
		-- Regression test for https://github.com/python/mypy/issues/19843
		[file folder/subfolder/something.py]
		-- This output is not important, but due to the way tests are run we need to check it.
		[outfile report/cobertura.xml]
		<coverage timestamp="$TIMESTAMP" version="$VERSION" line-rate="1.0" branch-rate="0" lines-covered="0" lines-valid="0">
		<sources>
		<source>$PWD</source>
		</sources>
		<packages>
		<package complexity="1.0" name="folder" branch-rate="0" line-rate="1.0">
		<classes>
		<class complexity="1.0" filename="folder" name="folder" branch-rate="0" line-rate="1.0">
		<methods/>
		<lines/>
		</class>
		<class complexity="1.0" filename="folder/subfolder" name="subfolder" branch-rate="0" line-rate="1.0">
		<methods/>
		<lines/>
		</class>
		</classes>
		</package>
		<package complexity="1.0" name="folder.subfolder" branch-rate="0" line-rate="1.0">
		<classes>
		<class complexity="1.0" filename="folder/subfolder/something.py" name="something.py" branch-rate="0" line-rate="1.0">
		<methods/>
		<lines/>
		</class>
		</classes>
		</package>
		</packages>
		</coverage>