def test_class_source_lines__raises_when_no_filesystem(): from pycobertura.cobertura import Cobertura cobertura = Cobertura('tests/cobertura.xml') for filename in cobertura.files(): pytest.raises(Cobertura.MissingFileSystem, cobertura.source_lines, filename)
def collect(self): from pycobertura import Cobertura # Check if file exists infile = Path(self.config.xmlpath.value) if not infile.is_file(): raise FileNotFoundError('No such file {}'.format(infile)) # Parse file cobertura = Cobertura(str(infile)) # Filter files include = self.config.include.value exclude = self.config.exclude.value original = cobertura.files() relevant = [ filename for filename in original if is_wanted(filename, include, exclude) ] ignored = sorted(set(original) - set(relevant)) if ignored: log.info('{} files ignored from total coverage'.format( len(ignored))) # Get files coverage data total = { 'total_statements': 0, 'total_misses': 0, 'total_hits': 0, 'branch_rate': 0.0, 'line_rate': 0.0, } files = { filename: {key: getattr(cobertura, key)(filename=filename) for key in total} for filename in relevant } # Calculate total def reducer(accumulator, element): for key in ['total_statements', 'total_misses', 'total_hits']: accumulator[key] = accumulator.get(key, 0) + element[key] return accumulator total = reduce(reducer, files.values(), total) # Re-calculate total statements if total['total_statements']: total['line_rate'] = 1.0 - (total['total_misses'] / total['total_statements']) # Assign branch-rate total['branch_rate'] = cobertura.branch_rate() if include != ['*'] or exclude: log.warning( 'Branch rate cannot be re-calculated when filtering files as ' 'the cobertura XML doesn\'t include the raw number of ' 'branches hit and total branches.') return { 'files': files, 'total': total, 'ignored': ignored, }