def test_combining_from_files(self):
os.makedirs('cov1')
covdata1 = CoverageData('cov1/.coverage.1')
covdata1.add_lines(LINES_1)
covdata1.write()
os.makedirs('cov2')
covdata2 = CoverageData('cov2/.coverage.2')
covdata2.add_lines(LINES_2)
covdata2.write()
# This data won't be included.
covdata_xxx = CoverageData('.coverage.xxx')
covdata_xxx.add_arcs(ARCS_3)
covdata_xxx.write()
covdata_2xxx = CoverageData('cov2/.coverage.xxx')
covdata_2xxx.add_arcs(ARCS_3)
covdata_2xxx.write()
covdata3 = CoverageData()
combine_parallel_data(covdata3,
data_paths=['cov1', 'cov2/.coverage.2'])
self.assert_line_counts(covdata3, SUMMARY_1_2)
self.assert_measured_files(covdata3, MEASURED_FILES_1_2)
self.assert_doesnt_exist("cov1/.coverage.1")
self.assert_doesnt_exist("cov2/.coverage.2")
self.assert_exists(".coverage.xxx")
self.assert_exists("cov2/.coverage.xxx")
def test_combining_from_files(self):
os.makedirs('cov1')
covdata1 = CoverageData('cov1/.coverage.1')
covdata1.add_lines(LINES_1)
covdata1.write()
os.makedirs('cov2')
covdata2 = CoverageData('cov2/.coverage.2')
covdata2.add_lines(LINES_2)
covdata2.write()
# This data won't be included.
covdata_xxx = CoverageData('.coverage.xxx')
covdata_xxx.add_arcs(ARCS_3)
covdata_xxx.write()
covdata_2xxx = CoverageData('cov2/.coverage.xxx')
covdata_2xxx.add_arcs(ARCS_3)
covdata_2xxx.write()
covdata3 = CoverageData()
combine_parallel_data(covdata3, data_paths=['cov1', 'cov2/.coverage.2'])
self.assert_line_counts(covdata3, SUMMARY_1_2)
self.assert_measured_files(covdata3, MEASURED_FILES_1_2)
self.assert_doesnt_exist("cov1/.coverage.1")
self.assert_doesnt_exist("cov2/.coverage.2")
self.assert_exists(".coverage.xxx")
self.assert_exists("cov2/.coverage.xxx")
def test_combining_with_aliases(self):
covdata1 = CoverageData(suffix='1')
covdata1.add_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.add_file_tracers({
'/home/ned/proj/src/template.html':
'html.plugin',
})
covdata1.write()
covdata2 = CoverageData(suffix='2')
covdata2.add_lines({
r'c:\ned\test\a.py': {
4: None,
5: None
},
r'c:\ned\test\sub\b.py': {
3: None,
6: None
},
})
covdata2.write()
self.assert_file_count(".coverage.*", 2)
covdata3 = CoverageData()
aliases = PathAliases()
aliases.add("/home/ned/proj/src/", "./")
aliases.add(r"c:\ned\test", "./")
combine_parallel_data(covdata3, aliases=aliases)
self.assert_file_count(".coverage.*", 0)
# covdata3 hasn't been written yet. Should this file exist or not?
#self.assert_exists(".coverage")
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 combine(self, data_paths=None, strict=False, keep=False):
"""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.
If `strict` is true, then it is an error to attempt to combine when
there are no data files to combine.
If `keep` is true, then original input data files won't be deleted.
.. versionadded:: 4.0
The `data_paths` parameter.
.. versionadded:: 4.3
The `strict` parameter.
.. versionadded: 5.5
The `keep` parameter.
"""
self._init()
self._init_data(suffix=None)
self._post_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)
combine_parallel_data(
self._data,
aliases=aliases,
data_paths=data_paths,
strict=strict,
keep=keep,
message=self._message,
)
def test_combining(self):
self.assert_file_count(".coverage.*", 0)
covdata1 = CoverageData(suffix='1')
covdata1.add_lines(LINES_1)
covdata1.write()
self.assert_exists(".coverage.1")
self.assert_file_count(".coverage.*", 1)
covdata2 = CoverageData(suffix='2')
covdata2.add_lines(LINES_2)
covdata2.write()
self.assert_exists(".coverage.2")
self.assert_file_count(".coverage.*", 2)
covdata3 = CoverageData()
combine_parallel_data(covdata3)
self.assert_line_counts(covdata3, SUMMARY_1_2)
self.assert_measured_files(covdata3, MEASURED_FILES_1_2)
self.assert_file_count(".coverage.*", 0)
def test_combining(self):
self.assert_file_count(".coverage.*", 0)
covdata1 = CoverageData(suffix='1')
covdata1.add_lines(LINES_1)
covdata1.write()
self.assert_exists(".coverage.1")
self.assert_file_count(".coverage.*", 1)
covdata2 = CoverageData(suffix='2')
covdata2.add_lines(LINES_2)
covdata2.write()
self.assert_exists(".coverage.2")
self.assert_file_count(".coverage.*", 2)
covdata3 = CoverageData()
combine_parallel_data(covdata3)
self.assert_line_counts(covdata3, SUMMARY_1_2)
self.assert_measured_files(covdata3, MEASURED_FILES_1_2)
self.assert_file_count(".coverage.*", 0)
def test_combining_with_aliases(self):
covdata1 = CoverageData(suffix='1')
covdata1.add_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.add_file_tracers({
'/home/ned/proj/src/template.html': 'html.plugin',
})
covdata1.write()
covdata2 = CoverageData(suffix='2')
covdata2.add_lines({
r'c:\ned\test\a.py': {4: None, 5: None},
r'c:\ned\test\sub\b.py': {3: None, 6: None},
})
covdata2.write()
self.assert_file_count(".coverage.*", 2)
covdata3 = CoverageData()
aliases = PathAliases()
aliases.add("/home/ned/proj/src/", "./")
aliases.add(r"c:\ned\test", "./")
combine_parallel_data(covdata3, aliases=aliases)
self.assert_file_count(".coverage.*", 0)
# covdata3 hasn't been written yet. Should this file exist or not?
#self.assert_exists(".coverage")
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 combine(self, data_paths=None, strict=False):
"""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.
If `strict` is true, then it is an error to attempt to combine when
there are no data files to combine.
.. versionadded:: 4.0
The `data_paths` parameter.
.. versionadded:: 4.3
The `strict` parameter.
"""
self._init()
self._init_data(suffix=None)
self._post_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)
combine_parallel_data(self._data, aliases=aliases, data_paths=data_paths, strict=strict)
def test_combining_from_nonexistent_directories(self):
covdata = CoverageData()
msg = "Couldn't combine from non-existent path 'xyzzy'"
with self.assertRaisesRegex(CoverageException, msg):
combine_parallel_data(covdata, data_paths=['xyzzy'])
def test_combining_from_nonexistent_directories(self):
covdata = CoverageData()
msg = "Couldn't combine from non-existent path 'xyzzy'"
with self.assertRaisesRegex(CoverageException, msg):
combine_parallel_data(covdata, data_paths=['xyzzy'])
def test_combining_from_nonexistent_directories(self):
covdata = DebugCoverageData()
msg = "Couldn't combine from non-existent path 'xyzzy'"
with pytest.raises(NoDataError, match=msg):
combine_parallel_data(covdata, data_paths=['xyzzy'])
