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Diffstat (limited to 'tests/test_config.py')
| -rw-r--r-- | tests/test_config.py | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/tests/test_config.py b/tests/test_config.py new file mode 100644 index 00000000..1ca63765 --- /dev/null +++ b/tests/test_config.py @@ -0,0 +1,225 @@ +# -*- coding: utf-8 -*- +"""Test the config file handling for coverage.py""" + +import sys +import coverage +from coverage.misc import CoverageException + +from test.coveragetest import CoverageTest + + +class ConfigTest(CoverageTest): + """Tests of the different sources of configuration settings.""" + + def test_default_config(self): + # Just constructing a coverage() object gets the right defaults. + cov = coverage.coverage() + self.assertFalse(cov.config.timid) + self.assertFalse(cov.config.branch) + self.assertEqual(cov.config.data_file, ".coverage") + + def test_arguments(self): + # Arguments to the constructor are applied to the configuation. + cov = coverage.coverage(timid=True, data_file="fooey.dat") + self.assertTrue(cov.config.timid) + self.assertFalse(cov.config.branch) + self.assertEqual(cov.config.data_file, "fooey.dat") + + def test_config_file(self): + # A .coveragerc file will be read into the configuration. + self.make_file(".coveragerc", """\ + # This is just a bogus .rc file for testing. + [run] + timid = True + data_file = .hello_kitty.data + """) + cov = coverage.coverage() + self.assertTrue(cov.config.timid) + self.assertFalse(cov.config.branch) + self.assertEqual(cov.config.data_file, ".hello_kitty.data") + + def test_named_config_file(self): + # You can name the config file what you like. + self.make_file("my_cov.ini", """\ + [run] + timid = True + ; I wouldn't really use this as a data file... + data_file = delete.me + """) + cov = coverage.coverage(config_file="my_cov.ini") + self.assertTrue(cov.config.timid) + self.assertFalse(cov.config.branch) + self.assertEqual(cov.config.data_file, "delete.me") + + def test_ignored_config_file(self): + # You can disable reading the .coveragerc file. + self.make_file(".coveragerc", """\ + [run] + timid = True + data_file = delete.me + """) + cov = coverage.coverage(config_file=False) + self.assertFalse(cov.config.timid) + self.assertFalse(cov.config.branch) + self.assertEqual(cov.config.data_file, ".coverage") + + def test_config_file_then_args(self): + # The arguments override the .coveragerc file. + self.make_file(".coveragerc", """\ + [run] + timid = True + data_file = weirdo.file + """) + cov = coverage.coverage(timid=False, data_file=".mycov") + self.assertFalse(cov.config.timid) + self.assertFalse(cov.config.branch) + self.assertEqual(cov.config.data_file, ".mycov") + + def test_data_file_from_environment(self): + # There's an environment variable for the data_file. + self.make_file(".coveragerc", """\ + [run] + timid = True + data_file = weirdo.file + """) + self.set_environ("COVERAGE_FILE", "fromenv.dat") + cov = coverage.coverage() + self.assertEqual(cov.config.data_file, "fromenv.dat") + # But the constructor args override the env var. + cov = coverage.coverage(data_file="fromarg.dat") + self.assertEqual(cov.config.data_file, "fromarg.dat") + + def test_parse_errors(self): + # Im-parseable values raise CoverageException + self.make_file(".coveragerc", """\ + [run] + timid = maybe? + """) + self.assertRaises(CoverageException, coverage.coverage) + + def test_environment_vars_in_config(self): + # Config files can have $envvars in them. + self.make_file(".coveragerc", """\ + [run] + data_file = $DATA_FILE.fooey + branch = $OKAY + [report] + exclude_lines = + the_$$one + another${THING} + x${THING}y + x${NOTHING}y + huh$${X}what + """) + self.set_environ("DATA_FILE", "hello-world") + self.set_environ("THING", "ZZZ") + self.set_environ("OKAY", "yes") + cov = coverage.coverage() + self.assertEqual(cov.config.data_file, "hello-world.fooey") + self.assertEqual(cov.config.branch, True) + self.assertEqual(cov.config.exclude_list, + ["the_$one", "anotherZZZ", "xZZZy", "xy", "huh${X}what"] + ) + + +class ConfigFileTest(CoverageTest): + """Tests of the config file settings in particular.""" + + def test_config_file_settings(self): + # This sample file tries to use lots of variation of syntax... + self.make_file(".coveragerc", """\ + # This is a settings file for coverage.py + [run] + timid = yes + data_file = something_or_other.dat + branch = 1 + cover_pylib = TRUE + parallel = on + include = a/ , b/ + + [report] + ; these settings affect reporting. + exclude_lines = + if 0: + + pragma:?\\s+no cover + another_tab + + ignore_errors = TRUE + omit = + one, another, some_more, + yet_more + precision = 3 + + partial_branches = + pragma:?\\s+no branch + partial_branches_always = + if 0: + while True: + + show_missing= TruE + + [html] + + directory = c:\\tricky\\dir.somewhere + extra_css=something/extra.css + title = Title & nums # nums! + [xml] + output=mycov.xml + + [paths] + source = + . + /home/ned/src/ + + other = other, /home/ned/other, c:\\Ned\\etc + + """) + cov = coverage.coverage() + + self.assertTrue(cov.config.timid) + self.assertEqual(cov.config.data_file, "something_or_other.dat") + self.assertTrue(cov.config.branch) + self.assertTrue(cov.config.cover_pylib) + self.assertTrue(cov.config.parallel) + + self.assertEqual(cov.get_exclude_list(), + ["if 0:", r"pragma:?\s+no cover", "another_tab"] + ) + self.assertTrue(cov.config.ignore_errors) + self.assertEqual(cov.config.include, ["a/", "b/"]) + self.assertEqual(cov.config.omit, + ["one", "another", "some_more", "yet_more"] + ) + self.assertEqual(cov.config.precision, 3) + + self.assertEqual(cov.config.partial_list, + [r"pragma:?\s+no branch"] + ) + self.assertEqual(cov.config.partial_always_list, + ["if 0:", "while True:"] + ) + self.assertTrue(cov.config.show_missing) + self.assertEqual(cov.config.html_dir, r"c:\tricky\dir.somewhere") + self.assertEqual(cov.config.extra_css, "something/extra.css") + self.assertEqual(cov.config.html_title, "Title & nums # nums!") + + self.assertEqual(cov.config.xml_output, "mycov.xml") + + self.assertEqual(cov.config.paths, { + 'source': ['.', '/home/ned/src/'], + 'other': ['other', '/home/ned/other', 'c:\\Ned\\etc'] + }) + + if sys.version_info[:2] != (3,1): + def test_one(self): + # This sample file tries to use lots of variation of syntax... + self.make_file(".coveragerc", """\ + [html] + title = tabblo & «ταБЬℓσ» # numbers + """) + cov = coverage.coverage() + + self.assertEqual(cov.config.html_title, + "tabblo & «ταБЬℓσ» # numbers" + ) |