Python files.PathAliases类代码示例

    def test_combining_with_aliases(self):
        covdata1 = CoverageData()
        covdata1.add_line_data({
            '/home/ned/proj/src/a.py': {1: None, 2: None},
            '/home/ned/proj/src/sub/b.py': {3: None},
            })
        covdata1.write(suffix='1')

        covdata2 = CoverageData()
        covdata2.add_line_data({
            r'c:\ned\test\a.py': {4: None, 5: None},
            r'c:\ned\test\sub\b.py': {6: None},
            })
        covdata2.write(suffix='2')

        covdata3 = CoverageData()
        aliases = PathAliases()
        aliases.add("/home/ned/proj/src/", "./")
        aliases.add(r"c:\ned\test", "./")
        covdata3.combine_parallel_data(aliases=aliases)

        apy = canonical_filename('./a.py')
        sub_bpy = canonical_filename('./sub/b.py')

        self.assert_summary(
            covdata3, { apy: 4, sub_bpy: 2, }, fullpath=True
            )
        self.assert_measured_files(covdata3, [apy,sub_bpy])

    def combine(self, data_paths=None):
        """Combine together a number of similarly-named coverage data files.

        All coverage data files whose name starts with `data_file` (from the
        coverage() constructor) will be read, and combined together into the
        current measurements.

        `data_paths` is a list of files or directories from which data should
        be combined. If no list is passed, then the data files from the
        directory indicated by the current data file (probably the current
        directory) will be combined.

        .. versionadded:: 4.0
            The `data_paths` parameter.

        """
        self._init()
        self.get_data()

        aliases = None
        if self.config.paths:
            aliases = PathAliases()
            for paths in self.config.paths.values():
                result = paths[0]
                for pattern in paths[1:]:
                    aliases.add(pattern, result)

        self.data_files.combine_parallel_data(self.data, aliases=aliases, data_paths=data_paths)

    def test_combining_with_aliases(self):
        covdata1 = CoverageData()
        covdata1.set_lines({
            '/home/ned/proj/src/a.py': {1: None, 2: None},
            '/home/ned/proj/src/sub/b.py': {3: None},
            '/home/ned/proj/src/template.html': {10: None},
        })
        covdata1.set_file_tracers({
            '/home/ned/proj/src/template.html': 'html.plugin',
        })
        self.data_files.write(covdata1, suffix='1')

        covdata2 = CoverageData()
        covdata2.set_lines({
            r'c:\ned\test\a.py': {4: None, 5: None},
            r'c:\ned\test\sub\b.py': {3: None, 6: None},
        })
        self.data_files.write(covdata2, suffix='2')

        covdata3 = CoverageData()
        aliases = PathAliases()
        aliases.add("/home/ned/proj/src/", "./")
        aliases.add(r"c:\ned\test", "./")
        self.data_files.combine_parallel_data(covdata3, aliases=aliases)

        apy = canonical_filename('./a.py')
        sub_bpy = canonical_filename('./sub/b.py')
        template_html = canonical_filename('./template.html')

        self.assert_line_counts(covdata3, {apy: 4, sub_bpy: 2, template_html: 1}, fullpath=True)
        self.assert_measured_files(covdata3, [apy, sub_bpy, template_html])
        self.assertEqual(covdata3.file_tracer(template_html), 'html.plugin')

 def test_multiple_wildcard(self):
     aliases = PathAliases()
     aliases.add('/home/jenkins/*/a/*/b/*/django', './django')
     self.assert_mapped(
         aliases,
         '/home/jenkins/xx/a/yy/b/zz/django/foo/bar.py',
         './django/foo/bar.py'
     )

def create_path_aliases_from_coverage(coverage):
    aliases = PathAliases()
    if coverage and coverage.config.paths:
        for paths in coverage.config.paths.values():
            result = paths[0]
            for pattern in paths[1:]:
                aliases.add(pattern, result)
    return aliases

def apply_path_aliases(cov, alias_map):
    """Adjust filenames in coverage data."""
    data = CoverageData()
    aliases = PathAliases()
    for k, v in alias_map.items():
        aliases.add(k, v)
    data.update(cov.data, aliases)
    cov.data = data

    def test_paths_are_os_corrected(self):
        aliases = PathAliases()
        aliases.add('/home/ned/*/src', './mysrc')
        aliases.add(r'c:\ned\src', './mysrc')
        self.assert_mapped(aliases, r'C:\Ned\src\sub\a.py', './mysrc/sub/a.py')

        aliases = PathAliases()
        aliases.add('/home/ned/*/src', r'.\mysrc')
        aliases.add(r'c:\ned\src', r'.\mysrc')
        self.assert_mapped(aliases, r'/home/ned/foo/src/sub/a.py', r'.\mysrc\sub\a.py')

    def combine(self):
        aliases = None
        if self.config.paths:
            aliases = PathAliases(self.file_locator)
            for paths in self.config.paths.values():
                result = paths[0]
                for pattern in paths[1:]:
                    aliases.add(pattern, result)

        self.data.combine_parallel_data(aliases=aliases)

    def test_dot(self):
        for d in ('.', '..', '../other', '~'):
            aliases = PathAliases()
            aliases.add(d, '/the/source')
            the_file = os.path.join(d, 'a.py')
            the_file = os.path.expanduser(the_file)
            the_file = os.path.abspath(os.path.realpath(the_file))

            assert '~' not in the_file  # to be sure the test is pure.
            self.assert_mapped(aliases, the_file, '/the/source/a.py')

 def test_wildcard(self):
     aliases = PathAliases()
     aliases.add('/ned/home/*/src', './mysrc')
     self.assertEqual(aliases.map('/ned/home/foo/src/a.py'), './mysrc/a.py')
     aliases = PathAliases()
     aliases.add('/ned/home/*/src/', './mysrc')
     self.assertEqual(aliases.map('/ned/home/foo/src/a.py'), './mysrc/a.py')

    def test_linux_on_windows(self):
        # https://bitbucket.org/ned/coveragepy/issues/618/problem-when-combining-windows-generated
        lin = "*/project/module/"
        win = "*\\project\\module\\"

        # Try the paths in both orders.
        for paths in [[lin, win], [win, lin]]:
            aliases = PathAliases()
            for path in paths:
                aliases.add(path, "project\\module")
            self.assert_mapped(
                aliases,
                "C:/a/path/somewhere/coveragepy_test/project/module/tests/file.py",
                "project\\module\\tests\\file.py"
            )

    def test_dot(self):
        cases = ['.', '..', '../other', '~']
        if not env.WINDOWS:
            # The root test case was added for the manylinux Docker images,
            # and I'm not sure how it should work on Windows, so skip it.
            cases += ['/']
        for d in cases:
            aliases = PathAliases()
            aliases.add(d, '/the/source')
            the_file = os.path.join(d, 'a.py')
            the_file = os.path.expanduser(the_file)
            the_file = os.path.abspath(os.path.realpath(the_file))

            assert '~' not in the_file  # to be sure the test is pure.
            self.assert_mapped(aliases, the_file, '/the/source/a.py')

    def combine(self):
        """Combine together a number of similarly-named coverage data files.

        All coverage data files whose name starts with `data_file` (from the
        coverage() constructor) will be read, and combined together into the
        current measurements.

        """
        aliases = None
        if self.config.paths:
            aliases = PathAliases(self.file_locator)
            for paths in self.config.paths.values():
                result = paths[0]
                for pattern in paths[1:]:
                    aliases.add(pattern, result)
        self.data.combine_parallel_data(aliases=aliases)

    def test_combining_with_aliases(self):
        covdata1 = CoverageData()
        covdata1.add_line_data(
            {"/home/ned/proj/src/a.py": {1: None, 2: None}, "/home/ned/proj/src/sub/b.py": {3: None}}
        )
        covdata1.write(suffix="1")

        covdata2 = CoverageData()
        covdata2.add_line_data({r"c:\ned\test\a.py": {4: None, 5: None}, r"c:\ned\test\sub\b.py": {6: None}})
        covdata2.write(suffix="2")

        covdata3 = CoverageData()
        aliases = PathAliases()
        aliases.add("/home/ned/proj/src/", "./")
        aliases.add(r"c:\ned\test", "./")
        covdata3.combine_parallel_data(aliases=aliases)
        self.assert_summary(covdata3, {"./a.py": 4, "./sub/b.py": 2}, fullpath=True)
        self.assert_measured_files(covdata3, ["./a.py", "./sub/b.py"])

 def test_cant_have_wildcard_at_end(self):
     aliases = PathAliases()
     msg = "Pattern must not end with wildcards."
     with self.assertRaisesRegex(CoverageException, msg):
         aliases.add("/ned/home/*", "fooey")
     with self.assertRaisesRegex(CoverageException, msg):
         aliases.add("/ned/home/*/", "fooey")
     with self.assertRaisesRegex(CoverageException, msg):
         aliases.add("/ned/home/*/*/", "fooey")