def test_relative_path(self):
self._set_git_root('/home/user/work/diff-cover')
expected = 'violations_reporter.py'
cwd = '/home/user/work/diff-cover/diff_cover'
tool = GitPathTool(cwd)
path = tool.relative_path('diff_cover/violations_reporter.py')
# Expect relative path from diff_cover
self.assertEqual(path, expected)
def test_absolute_path(self):
self._set_git_root('/home/user/work/diff-cover')
expected = '/home/user/work/diff-cover/other_package/file.py'
cwd = '/home/user/work/diff-cover/diff_cover'
tool = GitPathTool(cwd)
path = tool.absolute_path('other_package/file.py')
# Expect absolute path to file.py
self.assertEqual(path, expected)
def test_project_root_command(self):
self._set_git_root('/phony/path')
GitPathTool('/phony/path')
# Expect that the correct command was executed
expected = ['git', 'rev-parse', '--show-toplevel']
self.subprocess.Popen.assert_called_with(expected,
stdout=self.subprocess.PIPE,
stderr=self.subprocess.PIPE)
def generate_coverage_report(coverage_xml, compare_branch, html_report=None):
"""
Generate the diff coverage report, using kwargs from `parse_args()`.
"""
diff = GitDiffReporter(compare_branch, git_diff=GitDiffTool())
xml_roots = [etree.parse(xml_root) for xml_root in coverage_xml]
git_path = GitPathTool(os.getcwd())
coverage = XmlCoverageReporter(xml_roots, git_path)
# Build a report generator
if html_report is not None:
reporter = HtmlReportGenerator(coverage, diff)
output_file = open(html_report, "w")
else:
reporter = StringReportGenerator(coverage, diff)
output_file = sys.stdout
# Generate the report
reporter.generate_report(output_file)
