def test_covered_and_uncovered_src(self, mock_num_file_lines):
# Set an expected source file
coverage_data = CoverageData()
coverage_data.add_expected_src('/root_dir', 'uncovered.js')
# Configure the num file lines for the source file
num_lines = 10
mock_num_file_lines.return_value = num_lines
# Provide coverage info for other source files,
# but not the one we passed to the constructor
coverage_data.load_from_dict('/root_dir', '', self.TEST_COVERAGE_DICT)
# Expect that all sources are reported (including the uncovered src)
self.assertEqual(coverage_data.src_list(),
[u'/root_dir/src1.js',
u'/root_dir/subdir/src2.js',
u'/root_dir/uncovered.js'])
# Expect that the source is reported as 0% covered
self.assertEqual(coverage_data.line_dict_for_src('/root_dir/uncovered.js'),
{line_num: False for line_num in range(num_lines)})
# Expect that total coverage is smaller because
# of the uncovered file.
expected_coverage = 6.0 / (8.0 + num_lines)
self.assertEqual(coverage_data.total_coverage(), expected_coverage)
def test_missing_key(self):
# Load data with a JSON dict that is missing the line keys
coverage_data = CoverageData()
coverage_data.load_from_dict('root_dir', '',
{'/src1': {'missing key': True}})
# Expect that no coverage information is loaded
self.assertEqual(coverage_data.src_list(), [])
self.assertIs(coverage_data.line_dict_for_src('root_dir/src1'), None)
def test_load_from_dict(self):
# Load the data
coverage_data = CoverageData()
coverage_data.load_from_dict('/root_dir', '', self.TEST_COVERAGE_DICT)
# Check that it gets parsed correctly
self.assertEqual(coverage_data.src_list(),
[u'/root_dir/src1.js', u'/root_dir/subdir/src2.js'])
self.assertEqual(coverage_data.line_dict_for_src('/root_dir/src1.js'),
{0: True, 2: True, 3: False, 5: True})
self.assertEqual(coverage_data.line_dict_for_src('/root_dir/subdir/src2.js'),
{0: True, 1: True, 2: True, 3: False})
def test_different_root_dirs(self):
# Load data from two different root dirs
coverage_data = CoverageData()
coverage_data.load_from_dict('/root_1', '', self.TEST_COVERAGE_DICT)
coverage_data.load_from_dict('/root_2', '', self.TEST_COVERAGE_DICT)
# We should get two separate sources
self.assertEqual(coverage_data.src_list(),
['/root_1/src1.js', '/root_1/subdir/src2.js',
'/root_2/src1.js', '/root_2/subdir/src2.js'])
# But the data in each should be the same
expected = {0: True, 2: True, 3: False, 5: True}
self.assertEqual(coverage_data.line_dict_for_src('/root_1/src1.js'),
expected)
self.assertEqual(coverage_data.line_dict_for_src('/root_2/src1.js'),
expected)
def test_uncovered_src(self, mock_num_file_lines):
# Set an expected source file
coverage_data = CoverageData()
coverage_data.add_expected_src('/root_dir', 'src1.js')
# Configure the num file lines for the source file
num_lines = 10
mock_num_file_lines.return_value = num_lines
# Provide no coverage information (did NOT call `load_from_dict()`)
# Expect that the source is still reported
self.assertEqual(coverage_data.src_list(), ['/root_dir/src1.js'])
self.assertEqual(coverage_data.rel_src_path('/root_dir/src1.js'), 'src1.js')
# Expect that the source is reported as 0% covered
self.assertEqual(coverage_data.line_dict_for_src('/root_dir/src1.js'),
{line_num: False for line_num in range(num_lines)})
# Expect that total coverage is 0%
self.assertEqual(coverage_data.total_coverage(), 0.0)