diff options
Diffstat (limited to 'test/test_testing.py')
| -rw-r--r-- | test/test_testing.py | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/test/test_testing.py b/test/test_testing.py deleted file mode 100644 index c2d1453d..00000000 --- a/test/test_testing.py +++ /dev/null @@ -1,192 +0,0 @@ -# -*- coding: utf-8 -*- -"""Tests that our test infrastructure is really working!""" - -import os, sys -from coverage.backward import to_bytes, rpartition -from test.backunittest import TestCase -from test.coveragetest import CoverageTest - -from coverage.backward import set # pylint: disable=W0622 - -class TestingTest(TestCase): - """Tests of helper methods on `backunittest.TestCase`.""" - - run_in_temp_dir = False - - def please_raise(self, exc, msg): - """Raise an exception for testing assertRaisesRegexp.""" - raise exc(msg) - - def please_succeed(self): - """A simple successful method for testing assertRaisesRegexp.""" - return "All is well" - - def test_assert_same_elements(self): - self.assertSameElements(set(), set()) - self.assertSameElements(set([1,2,3]), set([3,1,2])) - self.assertRaises(AssertionError, self.assertSameElements, - set([1,2,3]), set() - ) - self.assertRaises(AssertionError, self.assertSameElements, - set([1,2,3]), set([4,5,6]) - ) - - def test_assert_regexp_matches(self): - self.assertRegexpMatches("hello", "hel*o") - self.assertRegexpMatches("Oh, hello there!", "hel*o") - self.assertRaises(AssertionError, self.assertRegexpMatches, - "hello there", "^hello$" - ) - - def test_assert_multiline_equal(self): - self.assertMultiLineEqual("hello", "hello") - self.assertRaises(AssertionError, self.assertMultiLineEqual, - "hello there", "Hello there" - ) - self.assertRaises(AssertionError, self.assertMultiLineEqual, - "hello\nthere", "hello\nThere" - ) - # With messages also. - self.assertMultiLineEqual("hi", "hi", "it's ok") - self.assertRaisesRegexp( - AssertionError, "my message", - self.assertMultiLineEqual, "xyz", "abc", "my message" - ) - - def test_assert_raises_regexp(self): - # Raising the right error with the right message passes. - self.assertRaisesRegexp( - ZeroDivisionError, "Wow! Zero!", - self.please_raise, ZeroDivisionError, "Wow! Zero!" - ) - # Raising the right error with a match passes. - self.assertRaisesRegexp( - ZeroDivisionError, "Zero", - self.please_raise, ZeroDivisionError, "Wow! Zero!" - ) - # Raising the right error with a mismatch fails. - self.assertRaises(AssertionError, - self.assertRaisesRegexp, ZeroDivisionError, "XYZ", - self.please_raise, ZeroDivisionError, "Wow! Zero!" - ) - # Raising the right error with a mismatch fails. - self.assertRaises(AssertionError, - self.assertRaisesRegexp, ZeroDivisionError, "XYZ", - self.please_raise, ZeroDivisionError, "Wow! Zero!" - ) - # Raising the wrong error raises the error itself. - self.assertRaises(ZeroDivisionError, - self.assertRaisesRegexp, IOError, "Wow! Zero!", - self.please_raise, ZeroDivisionError, "Wow! Zero!" - ) - # Raising no error fails. - self.assertRaises(AssertionError, - self.assertRaisesRegexp, ZeroDivisionError, "XYZ", - self.please_succeed - ) - - def test_assert_true(self): - self.assertTrue(True) - self.assertRaises(AssertionError, self.assertTrue, False) - - def test_assert_false(self): - self.assertFalse(False) - self.assertRaises(AssertionError, self.assertFalse, True) - - def test_assert_in(self): - self.assertIn("abc", "hello abc") - self.assertIn("abc", ["xyz", "abc", "foo"]) - self.assertIn("abc", {'abc': 1, 'xyz': 2}) - self.assertRaises(AssertionError, self.assertIn, "abc", "xyz") - self.assertRaises(AssertionError, self.assertIn, "abc", ["x", "xabc"]) - self.assertRaises(AssertionError, self.assertIn, "abc", {'x':'abc'}) - - def test_assert_not_in(self): - self.assertRaises(AssertionError, self.assertNotIn, "abc", "hello abc") - self.assertRaises(AssertionError, - self.assertNotIn, "abc", ["xyz", "abc", "foo"] - ) - self.assertRaises(AssertionError, - self.assertNotIn, "abc", {'abc': 1, 'xyz': 2} - ) - self.assertNotIn("abc", "xyz") - self.assertNotIn("abc", ["x", "xabc"]) - self.assertNotIn("abc", {'x':'abc'}) - - def test_assert_greater(self): - self.assertGreater(10, 9) - self.assertGreater("xyz", "abc") - self.assertRaises(AssertionError, self.assertGreater, 9, 10) - self.assertRaises(AssertionError, self.assertGreater, 10, 10) - self.assertRaises(AssertionError, self.assertGreater, "abc", "xyz") - self.assertRaises(AssertionError, self.assertGreater, "xyz", "xyz") - - -class CoverageTestTest(CoverageTest): - """Test the methods in `CoverageTest`.""" - - def file_text(self, fname): - """Return the text read from a file.""" - return open(fname, "rb").read().decode('ascii') - - def test_make_file(self): - # A simple file. - self.make_file("fooey.boo", "Hello there") - self.assertEqual(open("fooey.boo").read(), "Hello there") - # A file in a sub-directory - self.make_file("sub/another.txt", "Another") - self.assertEqual(open("sub/another.txt").read(), "Another") - # A second file in that sub-directory - self.make_file("sub/second.txt", "Second") - self.assertEqual(open("sub/second.txt").read(), "Second") - # A deeper directory - self.make_file("sub/deeper/evenmore/third.txt") - self.assertEqual(open("sub/deeper/evenmore/third.txt").read(), "") - - def test_make_file_newline(self): - self.make_file("unix.txt", "Hello\n") - self.assertEqual(self.file_text("unix.txt"), "Hello\n") - self.make_file("dos.txt", "Hello\n", newline="\r\n") - self.assertEqual(self.file_text("dos.txt"), "Hello\r\n") - self.make_file("mac.txt", "Hello\n", newline="\r") - self.assertEqual(self.file_text("mac.txt"), "Hello\r") - - def test_make_file_non_ascii(self): - self.make_file("unicode.txt", "tabblo: «ταБЬℓσ»") - self.assertEqual( - open("unicode.txt", "rb").read(), - to_bytes("tabblo: «ταБЬℓσ»") - ) - - def test_file_exists(self): - self.make_file("whoville.txt", "We are here!") - self.assert_exists("whoville.txt") - self.assert_doesnt_exist("shadow.txt") - self.assertRaises( - AssertionError, self.assert_doesnt_exist, "whoville.txt" - ) - self.assertRaises(AssertionError, self.assert_exists, "shadow.txt") - - def test_sub_python_is_this_python(self): - # Try it with a python command. - os.environ['COV_FOOBAR'] = 'XYZZY' - self.make_file("showme.py", """\ - import os, sys - print(sys.executable) - print(os.__file__) - print(os.environ['COV_FOOBAR']) - """) - out = self.run_command("python showme.py").splitlines() - self.assertEqual(out[0], sys.executable) - self.assertEqual(out[1], os.__file__) - self.assertEqual(out[2], 'XYZZY') - - # Try it with a "coverage debug sys" command. - out = self.run_command("coverage debug sys").splitlines() - # "environment: COV_FOOBAR = XYZZY" or "COV_FOOBAR = XYZZY" - executable = [l for l in out if "executable:" in l][0] - executable = executable.split(":", 1)[1].strip() - self.assertEqual(executable, sys.executable) - environ = [l for l in out if "COV_FOOBAR" in l][0] - _, _, environ = rpartition(environ, ":") - self.assertEqual(environ.strip(), "COV_FOOBAR = XYZZY") |