feat: warnings are now real warnings

This makes coverage warnings visible when running test suites under
pytest.  But it also means some uninteresting warnings would show up in
our own test suite, so we had to catch or suppress those.

1 files changed, 9 insertions, 5 deletions

diff --git a/tests/test_process.py b/tests/test_process.py
index a912debb..54bf345d 100644
--- a/tests/test_process.py
+++ b/tests/test_process.py
@@ -130,7 +130,7 @@ class ProcessTest(CoverageTest):
         self.assert_exists(".coverage")
         self.assert_exists(".coverage.bad")
         warning_regex = (
-            r"Coverage.py warning: Couldn't use data file '.*\.coverage\.bad': "
+            r"CoverageWarning: Couldn't use data file '.*\.coverage\.bad': "
             r"file (is encrypted or )?is not a database"
         )
         assert re.search(warning_regex, out)
@@ -163,7 +163,7 @@ class ProcessTest(CoverageTest):
         for n in "12":
             self.assert_exists(f".coverage.bad{n}")
             warning_regex = (
-                r"Coverage.py warning: Couldn't use data file '.*\.coverage.bad{}': "
+                r"CoverageWarning: Couldn't use data file '.*\.coverage.bad{}': "
                 r"file (is encrypted or )?is not a database"
                 .format(n)
             )
@@ -725,7 +725,7 @@ class ProcessTest(CoverageTest):
         assert "Goodbye!" in out
 
         msg = (
-            "Coverage.py warning: "
+            "CoverageWarning: "
             "Already imported a file that will be measured: {} "
             "(already-imported)").format(goodbye_path)
         assert msg in out
@@ -815,10 +815,14 @@ class ProcessTest(CoverageTest):
                 inst.save()
             """)
         out = self.run_command("python run_twice.py")
+        # Remove the file location and source line from the warning.
+        out = re.sub(r"(?m)^[\\/\w.:~_-]+:\d+: CoverageWarning: ", "f:d: CoverageWarning: ", out)
+        out = re.sub(r"(?m)^\s+self.warn.*$\n", "", out)
+        print("out:", repr(out))
         expected = (
             "Run 1\n" +
             "Run 2\n" +
-            "Coverage.py warning: Module foo was previously imported, but not measured " +
+            "f:d: CoverageWarning: Module foo was previously imported, but not measured " +
             "(module-not-measured)\n"
         )
         assert expected == out
@@ -920,7 +924,7 @@ class EnvironmentTest(CoverageTest):
     def test_coverage_run_dashm_superset_of_doubledashsource(self):
         """Edge case: --source foo -m foo.bar"""
         # Ugh: without this config file, we'll get a warning about
-        #   Coverage.py warning: Module process_test was previously imported,
+        #   CoverageWarning: Module process_test was previously imported,
         #   but not measured (module-not-measured)
         #
         # This is because process_test/__init__.py is imported while looking