Major fixes and new features

venv/lib/python3.12/site-packages/mypy/test/testreports.py

@@ -0,0 +1,54 @@
+"""Test cases for reports generated by mypy."""
+from __future__ import annotations
+
+import textwrap
+
+from mypy.report import CoberturaPackage, get_line_rate
+from mypy.test.helpers import Suite, assert_equal
+
+try:
+    import lxml  # type: ignore[import-untyped]
+except ImportError:
+    lxml = None
+
+import pytest
+
+
+class CoberturaReportSuite(Suite):
+    @pytest.mark.skipif(lxml is None, reason="Cannot import lxml. Is it installed?")
+    def test_get_line_rate(self) -> None:
+        assert_equal("1.0", get_line_rate(0, 0))
+        assert_equal("0.3333", get_line_rate(1, 3))
+
+    @pytest.mark.skipif(lxml is None, reason="Cannot import lxml. Is it installed?")
+    def test_as_xml(self) -> None:
+        import lxml.etree as etree  # type: ignore[import-untyped]
+
+        cobertura_package = CoberturaPackage("foobar")
+        cobertura_package.covered_lines = 21
+        cobertura_package.total_lines = 42
+
+        child_package = CoberturaPackage("raz")
+        child_package.covered_lines = 10
+        child_package.total_lines = 10
+        child_package.classes["class"] = etree.Element("class")
+
+        cobertura_package.packages["raz"] = child_package
+
+        expected_output = textwrap.dedent(
+            """\
+            <package complexity="1.0" name="foobar" branch-rate="0" line-rate="0.5000">
+              <classes/>
+              <packages>
+                <package complexity="1.0" name="raz" branch-rate="0" line-rate="1.0000">
+                  <classes>
+                    <class/>
+                  </classes>
+                </package>
+              </packages>
+            </package>
+        """
+        ).encode("ascii")
+        assert_equal(
+            expected_output, etree.tostring(cobertura_package.as_xml(), pretty_print=True)
+        )