refactor: no need for maybe-u prefixes in test regexes

That was for Python 2, which we don't support anymore.

Author: nedbat

tests/test_config.py

@@ -190,14 +190,14 @@ def test_parse_errors(self):
         ("[tool.coverage.run]\ntimid = \"maybe?\"\n", r"maybe[?]"),
         ("[tool.coverage.run\n", None),
         ('[tool.coverage.report]\nexclude_lines = ["foo("]\n',
-         r"Invalid \[tool.coverage.report\].exclude_lines value u?'foo\(': " +
+         r"Invalid \[tool.coverage.report\].exclude_lines value 'foo\(': " +
          r"(unbalanced parenthesis|missing \))"),
         ('[tool.coverage.report]\npartial_branches = ["foo["]\n',
-         r"Invalid \[tool.coverage.report\].partial_branches value u?'foo\[': " +
+         r"Invalid \[tool.coverage.report\].partial_branches value 'foo\[': " +
          r"(unexpected end of regular expression|unterminated character set)"),
         ('[tool.coverage.report]\npartial_branches_always = ["foo***"]\n',
          r"Invalid \[tool.coverage.report\].partial_branches_always value " +
-         r"u?'foo\*\*\*': " +
+         r"'foo\*\*\*': " +
          r"multiple repeat"),
         ('[tool.coverage.run]\nconcurrency="foo"', "not a list"),
         ("[tool.coverage.report]\nprecision=1.23", "not an integer"),

tests/test_data.py

@@ -314,7 +314,7 @@ def test_cant_change_file_tracer_name(self):
         covdata.add_lines({"p1.foo": dict.fromkeys([1, 2, 3])})
         covdata.add_file_tracers({"p1.foo": "p1.plugin"})
 
-        msg = "Conflicting file tracer name for 'p1.foo': u?'p1.plugin' vs u?'p1.plugin.foo'"
+        msg = "Conflicting file tracer name for 'p1.foo': 'p1.plugin' vs 'p1.plugin.foo'"
         with pytest.raises(CoverageException, match=msg):
             covdata.add_file_tracers({"p1.foo": "p1.plugin.foo"})
 
@@ -401,11 +401,11 @@ def test_update_conflicting_file_tracers(self):
         covdata2.add_lines({"p1.html": dict.fromkeys([1, 2, 3])})
         covdata2.add_file_tracers({"p1.html": "html.other_plugin"})
 
-        msg = "Conflicting file tracer name for 'p1.html': u?'html.plugin' vs u?'html.other_plugin'"
+        msg = "Conflicting file tracer name for 'p1.html': 'html.plugin' vs 'html.other_plugin'"
         with pytest.raises(CoverageException, match=msg):
             covdata1.update(covdata2)
 
-        msg = "Conflicting file tracer name for 'p1.html': u?'html.other_plugin' vs u?'html.plugin'"
+        msg = "Conflicting file tracer name for 'p1.html': 'html.other_plugin' vs 'html.plugin'"
         with pytest.raises(CoverageException, match=msg):
             covdata2.update(covdata1)
 
@@ -417,11 +417,11 @@ def test_update_file_tracer_vs_no_file_tracer(self):
         covdata2 = DebugCoverageData(suffix="2")
         covdata2.add_lines({"p1.html": dict.fromkeys([1, 2, 3])})
 
-        msg = "Conflicting file tracer name for 'p1.html': u?'html.plugin' vs u?''"
+        msg = "Conflicting file tracer name for 'p1.html': 'html.plugin' vs ''"
         with pytest.raises(CoverageException, match=msg):
             covdata1.update(covdata2)
 
-        msg = "Conflicting file tracer name for 'p1.html': u?'' vs u?'html.plugin'"
+        msg = "Conflicting file tracer name for 'p1.html': '' vs 'html.plugin'"
         with pytest.raises(CoverageException, match=msg):
             covdata2.update(covdata1)
 

tests/test_html.py

@@ -607,7 +607,7 @@ def test_cant_find_static_files(self):
         self.make_file("main.py", "print(17)")
         cov = coverage.Coverage()
         self.start_import_stop(cov, "main")
-        msg = "Couldn't find static file u?'.*'"
+        msg = "Couldn't find static file '.*'"
         with pytest.raises(CoverageException, match=msg):
             cov.html_report()
 

tests/test_process.py

@@ -1788,11 +1788,11 @@ def test_us_in_venv_isnt_measured(self, coverage_command):
         print(re_lines(debug_out, "myproduct"))
         assert re_lines(
             debug_out,
-            r"^Not tracing .*\bmyproduct.py': module u?'myproduct' falls outside the --source spec"
+            r"^Not tracing .*\bmyproduct.py': module 'myproduct' falls outside the --source spec"
             )
         assert re_lines(
             debug_out,
-            r"^Not tracing .*\bcolorsys.py': module u?'colorsys' falls outside the --source spec"
+            r"^Not tracing .*\bcolorsys.py': module 'colorsys' falls outside the --source spec"
             )
 
         out = run_in_venv("python -m coverage report")