def test_cli_writecoverage_datafile(runner):
from covimerage.coveragepy import CoverageWrapper
fname = tempfile.mktemp()
result = runner.invoke(cli.main, [
'write_coverage', '--data-file', fname,
'tests/fixtures/conditional_function.profile'
])
assert result.output == '\n'.join(
['Writing coverage file %s.' % fname, ''])
assert result.exit_code == 0
cov = CoverageWrapper(data_file=fname)
assert cov.lines == {
os.path.abspath('tests/test_plugin/conditional_function.vim'):
[3, 8, 9, 11, 13, 14, 15, 17, 23]
}
def test_coveragewrapper(coverage_fileobj, devnull):
import coverage
from covimerage.coveragepy import (CoverageData, CoverageWrapper,
CoverageWrapperException)
cov_data = CoverageWrapper()
assert cov_data.lines == {}
assert isinstance(cov_data.data, CoverageData)
cov_data = CoverageWrapper(data=coverage.data.CoverageData())
assert cov_data.lines == {}
assert isinstance(cov_data.data, CoverageData)
with pytest.raises(TypeError):
CoverageWrapper(data_file='foo', data='bar')
with pytest.raises(TypeError):
CoverageWrapper(data_file='foo', data=CoverageData())
cov = CoverageWrapper(data_file=coverage_fileobj)
with pytest.raises(attr.exceptions.FrozenInstanceError):
cov.data = 'foo'
assert cov.lines == {
'/test_plugin/conditional_function.vim':
[3, 8, 9, 11, 13, 14, 15, 17, 23]
}
assert isinstance(cov._cov_obj, coverage.control.Coverage)
assert cov._cov_obj.data is cov.data.cov_data
with pytest.raises(CoverageWrapperException) as excinfo:
CoverageWrapper(data_file=devnull.name)
assert excinfo.value.args == (
'Coverage could not read data_file: /dev/null', )
f = StringIO()
with pytest.raises(CoverageWrapperException) as excinfo:
CoverageWrapper(data_file=f)
e = excinfo.value
assert isinstance(e.orig_exc, coverage.misc.CoverageException)
assert e.message == 'Coverage could not read data_file: %s' % f
assert e.format_message(
) == "%s (CoverageException: Doesn't seem to be a coverage.py data file)" % (
e.message, )
assert str(e) == e.format_message()
assert repr(e) == 'CoverageWrapperException(message=%r, orig_exc=%r)' % (
e.message, e.orig_exc)
def test_coveragewrapper_accepts_data():
from covimerage.coveragepy import CoverageData, CoverageWrapper
data = CoverageData()
cov = CoverageWrapper(data=data)
assert cov.data is data
def test_cli_run_args(runner, mocker, devnull, tmpdir):
m = mocker.patch('subprocess.Popen')
m_wait = m.return_value.wait
m_wait.return_value = 1
result = runner.invoke(cli.run,
['--no-wrap-profile', 'printf', '--headless'])
assert m.call_args[0] == (['printf', '--headless'], )
assert result.output.splitlines() == [
'Running cmd: printf --headless (in %s)' % os.getcwd(),
'Error: Command exited non-zero: 1.'
]
assert result.exit_code == 1
m_wait.return_value = 2
result = runner.invoke(cli.run,
['--no-wrap-profile', '--', 'printf', '--headless'])
assert m.call_args[0] == (['printf', '--headless'], )
assert result.output.splitlines() == [
'Running cmd: printf --headless (in %s)' % os.getcwd(),
'Error: Command exited non-zero: 2.'
]
assert result.exit_code == 2
m_wait.return_value = 3
result = runner.invoke(cli.run,
['--no-wrap-profile', 'printf', '--', '--headless'])
assert m.call_args[0] == (['printf', '--', '--headless'], )
assert result.output.splitlines() == [
'Running cmd: printf -- --headless (in %s)' % os.getcwd(),
'Error: Command exited non-zero: 3.'
]
assert result.exit_code == 3
result = runner.invoke(cli.run, [
'--no-wrap-profile', '--no-report', '--profile-file', devnull.name,
'--no-write-data', 'printf', '--', '--headless'
])
assert m.call_args[0] == (['printf', '--', '--headless'], )
assert result.output.splitlines() == [
'Running cmd: printf -- --headless (in %s)' % os.getcwd(),
'Error: Command exited non-zero: 3.'
]
result = runner.invoke(cli.run, [
'--no-wrap-profile', '--no-report', '--profile-file', devnull.name,
'--source', devnull.name, '--write-data', 'printf', '--', '--headless'
])
assert m.call_args[0] == (['printf', '--', '--headless'], )
assert result.output.splitlines() == [
'Running cmd: printf -- --headless (in %s)' % os.getcwd(),
'Parsing profile file /dev/null.',
'Not writing coverage file: no data to report!',
'Error: Command exited non-zero: 3.'
]
# Write data with non-sources only.
m_wait.return_value = 0
with tmpdir.as_cwd() as old_dir:
profile_file = str(
old_dir.join('tests/fixtures/conditional_function.profile'))
result = runner.invoke(cli.run, [
'--no-wrap-profile', '--no-report', '--profile-file', profile_file,
'--write-data', 'printf', '--', '--headless'
])
assert not os.path.exists(DEFAULT_COVERAGE_DATA_FILE)
assert m.call_args[0] == (['printf', '--', '--headless'], )
out = result.output.splitlines()
assert out == [
'Running cmd: printf -- --headless (in %s)' % str(tmpdir),
'Parsing profile file %s.' % profile_file,
'Ignoring non-source: %s' %
str(tmpdir.join('tests/test_plugin/conditional_function.vim')),
'Not writing coverage file: no data to report!'
]
profiled_file = 'tests/test_plugin/conditional_function.vim'
profiled_file_content = open(profiled_file, 'r').read()
with tmpdir.as_cwd() as old_dir:
profile_file = str(
old_dir.join('tests/fixtures/conditional_function.profile'))
tmpdir.join(profiled_file).write(profiled_file_content, ensure=True)
tmpdir.join('not-profiled.vim').write('')
tmpdir.join('not-a-vim-file').write('')
result = runner.invoke(cli.run, [
'--no-wrap-profile', '--no-report', '--profile-file', profile_file,
'--write-data', 'printf', '--', '--headless'
])
# Read coverage.
from covimerage.coveragepy import CoverageWrapper
cov = CoverageWrapper(data_file=DEFAULT_COVERAGE_DATA_FILE)
assert m.call_args[0] == (['printf', '--', '--headless'], )
assert result.output.splitlines() == [
'Running cmd: printf -- --headless (in %s)' % str(tmpdir),
'Parsing profile file %s.' % profile_file,
'Writing coverage file %s.' % DEFAULT_COVERAGE_DATA_FILE
]
assert result.exit_code == 0
expected_cov_lines = {
str(tmpdir.join('not-profiled.vim')): [],
str(tmpdir.join('tests/test_plugin/conditional_function.vim')):
[3, 8, 9, 11, 13, 14, 15, 17, 23]
}
assert cov.lines == expected_cov_lines