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test_pytest_cov.py
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test_pytest_cov.py
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import glob
import os
import subprocess
import sys
from distutils.version import StrictVersion
from itertools import chain
import coverage
import py
import pytest
import virtualenv
from process_tests import TestProcess as _TestProcess
from process_tests import dump_on_error
from process_tests import wait_for_strings
from six import exec_
from fields import Namespace
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
import pytest_cov.plugin
coverage, StrictVersion # required for skipif mark on test_cov_min_from_coveragerc
SCRIPT = '''
import sys, helper
def pytest_generate_tests(metafunc):
for i in range(10):
metafunc.addcall()
def test_foo():
x = True
helper.do_stuff() # get some coverage in some other completely different location
if sys.version_info[0] > 5:
assert False
'''
SCRIPT2 = '''
#
def test_bar():
x = True
assert x
'''
COVERAGERC_SOURCE = '''\
[run]
source = .
'''
SCRIPT_CHILD = '''
import sys
idx = int(sys.argv[1])
if idx == 0:
foo = "a" # previously there was a "pass" here but Python 3.5 optimizes it away.
if idx == 1:
foo = "b" # previously there was a "pass" here but Python 3.5 optimizes it away.
'''
SCRIPT_PARENT = '''
import os
import subprocess
import sys
def pytest_generate_tests(metafunc):
for i in range(2):
metafunc.addcall(funcargs=dict(idx=i))
def test_foo(idx):
out, err = subprocess.Popen(
[sys.executable, os.path.join(os.path.dirname(__file__), 'child_script.py'), str(idx)],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE).communicate()
# there is a issue in coverage.py with multiline statements at
# end of file: https://bitbucket.org/ned/coveragepy/issue/293
pass
'''
SCRIPT_PARENT_CHANGE_CWD = '''
import subprocess
import sys
import os
def pytest_generate_tests(metafunc):
for i in range(2):
metafunc.addcall(funcargs=dict(idx=i))
def test_foo(idx):
os.mkdir("foobar")
os.chdir("foobar")
subprocess.check_call([
sys.executable,
os.path.join(os.path.dirname(__file__), 'child_script.py'),
str(idx)
])
# there is a issue in coverage.py with multiline statements at
# end of file: https://bitbucket.org/ned/coveragepy/issue/293
pass
'''
SCRIPT_PARENT_CHANGE_CWD_IMPORT_CHILD = '''
import subprocess
import sys
import os
def pytest_generate_tests(metafunc):
for i in range(2):
metafunc.addcall(funcargs=dict(idx=i))
def test_foo(idx):
os.mkdir("foobar")
os.chdir("foobar")
subprocess.check_call([
sys.executable,
'-c', 'import sys; sys.argv = ["", str(%s)]; import child_script' % idx
])
# there is a issue in coverage.py with multiline statements at
# end of file: https://bitbucket.org/ned/coveragepy/issue/293
pass
'''
SCRIPT_FUNCARG = '''
import coverage
def test_foo(cov):
assert isinstance(cov, coverage.coverage)
'''
SCRIPT_FUNCARG_NOT_ACTIVE = '''
def test_foo(cov):
assert cov is None
'''
SCRIPT_FAIL = '''
def test_fail():
assert False
'''
CHILD_SCRIPT_RESULT = '[56] * 100%'
PARENT_SCRIPT_RESULT = '9 * 100%'
DEST_DIR = 'cov_dest'
REPORT_NAME = 'cov.xml'
xdist = pytest.mark.parametrize('opts', ['', '-n 1'], ids=['nodist', 'xdist'])
@pytest.fixture(params=[
('branch=true', '--cov-branch', '9 * 85%', '3 * 100%'),
('branch=true', '', '9 * 85%', '3 * 100%'),
('', '--cov-branch', '9 * 85%', '3 * 100%'),
('', '', '9 * 89%', '3 * 100%'),
], ids=['branch2x', 'branch1c', 'branch1a', 'nobranch'])
def prop(request):
return Namespace(
code=SCRIPT,
code2=SCRIPT2,
conf=request.param[0],
fullconf='[run]\n%s\n' % request.param[0],
prefixedfullconf='[coverage:run]\n%s\n' % request.param[0],
args=request.param[1].split(),
result=request.param[2],
result2=request.param[3],
)
def test_central(testdir, prop):
script = testdir.makepyfile(prop.code)
testdir.tmpdir.join('.coveragerc').write(prop.fullconf)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
script,
*prop.args)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_central* %s *' % prop.result,
'*10 passed*'
])
assert result.ret == 0
def test_annotate(testdir):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=annotate',
script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'Coverage annotated source written next to source',
'*10 passed*',
])
assert result.ret == 0
def test_annotate_output_dir(testdir):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=annotate:' + DEST_DIR,
script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'Coverage annotated source written to dir ' + DEST_DIR,
'*10 passed*',
])
dest_dir = testdir.tmpdir.join(DEST_DIR)
assert dest_dir.check(dir=True)
assert dest_dir.join(script.basename + ",cover").check()
assert result.ret == 0
def test_html_output_dir(testdir, prop):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=html:' + DEST_DIR,
script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'Coverage HTML written to dir ' + DEST_DIR,
'*10 passed*',
])
dest_dir = testdir.tmpdir.join(DEST_DIR)
assert dest_dir.check(dir=True)
assert dest_dir.join("index.html").check()
assert result.ret == 0
def test_xml_output_dir(testdir):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=xml:' + REPORT_NAME,
script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'Coverage XML written to file ' + REPORT_NAME,
'*10 passed*',
])
assert testdir.tmpdir.join(REPORT_NAME).check()
assert result.ret == 0
def test_term_output_dir(testdir):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term:' + DEST_DIR,
script)
result.stderr.fnmatch_lines([
'*argument --cov-report: output specifier not supported for: "term:%s"*' % DEST_DIR,
])
assert result.ret != 0
def test_term_missing_output_dir(testdir):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing:' + DEST_DIR,
script)
result.stderr.fnmatch_lines([
'*argument --cov-report: output specifier not supported for: '
'"term-missing:%s"*' % DEST_DIR,
])
assert result.ret != 0
def test_cov_min_100(testdir):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
'--cov-fail-under=100',
script)
assert result.ret != 0
result.stdout.fnmatch_lines([
'FAIL Required test coverage of 100% not reached. Total coverage: *%'
])
def test_cov_min_50(testdir):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
'--cov-fail-under=50',
script)
assert result.ret == 0
result.stdout.fnmatch_lines([
'Required test coverage of 50% reached. Total coverage: *%'
])
def test_cov_min_no_report(testdir):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=',
'--cov-fail-under=50',
script)
assert result.ret == 0
result.stdout.fnmatch_lines([
'Required test coverage of 50% reached. Total coverage: *%'
])
def test_central_nonspecific(testdir, prop):
script = testdir.makepyfile(prop.code)
testdir.tmpdir.join('.coveragerc').write(prop.fullconf)
result = testdir.runpytest('-v',
'--cov',
'--cov-report=term-missing',
script, *prop.args)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_central_nonspecific* %s *' % prop.result,
'*10 passed*'
])
# multi-module coverage report
assert any(line.startswith('TOTAL ') for line in result.stdout.lines)
assert result.ret == 0
@pytest.mark.skipif('StrictVersion(coverage.__version__) <= StrictVersion("3.8")')
def test_cov_min_from_coveragerc(testdir):
script = testdir.makepyfile(SCRIPT)
testdir.tmpdir.join('.coveragerc').write("""
[report]
fail_under = 100
""")
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
script)
assert result.ret != 0
def test_central_coveragerc(testdir, prop):
script = testdir.makepyfile(prop.code)
testdir.tmpdir.join('.coveragerc').write(COVERAGERC_SOURCE + prop.conf)
result = testdir.runpytest('-v',
'--cov',
'--cov-report=term-missing',
script, *prop.args)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_central_coveragerc* %s *' % prop.result,
'*10 passed*',
])
# single-module coverage report
assert all(not line.startswith('TOTAL ') for line in result.stdout.lines[-4:])
assert result.ret == 0
@xdist
def test_central_with_path_aliasing(testdir, monkeypatch, opts, prop):
mod1 = testdir.mkdir('src').join('mod.py')
mod1.write(SCRIPT)
mod2 = testdir.mkdir('aliased').join('mod.py')
mod2.write(SCRIPT)
script = testdir.makepyfile('''
from mod import *
''')
testdir.tmpdir.join('setup.cfg').write("""
[coverage:paths]
source =
src
aliased
[coverage:run]
source = mod
parallel = true
%s
""" % prop.conf)
monkeypatch.setitem(os.environ, 'PYTHONPATH', os.pathsep.join([os.environ.get('PYTHONPATH', ''), 'aliased']))
result = testdir.runpytest('-v', '-s',
'--cov',
'--cov-report=term-missing',
script, *opts.split()+prop.args)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'src[\\/]mod* %s *' % prop.result,
'*10 passed*',
])
# single-module coverage report
assert all(not line.startswith('TOTAL ') for line in result.stdout.lines[-4:])
assert result.ret == 0
def test_subprocess_with_path_aliasing(testdir, monkeypatch):
src = testdir.mkdir('src')
src.join('parent_script.py').write(SCRIPT_PARENT)
src.join('child_script.py').write(SCRIPT_CHILD)
aliased = testdir.mkdir('aliased')
parent_script = aliased.join('parent_script.py')
parent_script.write(SCRIPT_PARENT)
aliased.join('child_script.py').write(SCRIPT_CHILD)
testdir.tmpdir.join('.coveragerc').write("""
[paths]
source =
src
aliased
[run]
source =
parent_script
child_script
parallel = true
""")
monkeypatch.setitem(os.environ, 'PYTHONPATH', os.pathsep.join([os.environ.get('PYTHONPATH',''), 'aliased']))
result = testdir.runpytest('-v',
'--cov',
'--cov-report=term-missing',
parent_script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'src[\\/]child_script* %s*' % CHILD_SCRIPT_RESULT,
'src[\\/]parent_script* %s*' % PARENT_SCRIPT_RESULT,
])
assert result.ret == 0
def test_show_missing_coveragerc(testdir, prop):
script = testdir.makepyfile(prop.code)
testdir.tmpdir.join('.coveragerc').write("""
[run]
source = .
%s
[report]
show_missing = true
""" % prop.conf)
result = testdir.runpytest('-v',
'--cov',
'--cov-report=term',
script, *prop.args)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'Name * Stmts * Miss * Cover * Missing',
'test_show_missing_coveragerc* %s * 11*' % prop.result,
'*10 passed*',
])
# single-module coverage report
assert all(not line.startswith('TOTAL ') for line in result.stdout.lines[-4:])
assert result.ret == 0
def test_no_cov_on_fail(testdir):
script = testdir.makepyfile(SCRIPT_FAIL)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
'--no-cov-on-fail',
script)
assert 'coverage: platform' not in result.stdout.str()
result.stdout.fnmatch_lines(['*1 failed*'])
def test_no_cov(testdir):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-vvv',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
'--no-cov',
'-rw',
script)
result.stdout.fnmatch_lines_random([
'WARNING: Coverage disabled via --no-cov switch!',
'*Coverage disabled via --no-cov switch!',
])
def test_cov_and_failure_report_on_fail(testdir):
script = testdir.makepyfile(SCRIPT + SCRIPT_FAIL)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-fail-under=100',
script)
result.stdout.fnmatch_lines_random([
'*10 failed*',
'*coverage: platform*',
'*FAIL Required test coverage of 100% not reached*',
'*assert False*',
])
def test_dist_combine_racecondition(testdir):
script = testdir.makepyfile("""
import pytest
@pytest.mark.parametrize("foo", range(1000))
def test_foo(foo):
""" + "\n".join("""
if foo == %s:
assert True
""" % i for i in range(1000)))
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
'-n', '5', '-s',
script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_dist_combine_racecondition* 2002 * 0 * 100%*',
'*1000 passed*'
])
for line in chain(result.stdout.lines, result.stderr.lines):
assert 'The following slaves failed to return coverage data' not in line
assert 'INTERNALERROR' not in line
assert result.ret == 0
def test_dist_collocated(testdir, prop):
script = testdir.makepyfile(prop.code)
testdir.tmpdir.join('.coveragerc').write(prop.fullconf)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
'--dist=load',
'--tx=2*popen',
'--max-slave-restart=0',
script, *prop.args)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_dist_collocated* %s *' % prop.result,
'*10 passed*'
])
assert result.ret == 0
def test_dist_not_collocated(testdir, prop):
script = testdir.makepyfile(prop.code)
dir1 = testdir.mkdir('dir1')
dir2 = testdir.mkdir('dir2')
testdir.tmpdir.join('.coveragerc').write('''
[run]
%s
[paths]
source =
.
dir1
dir2''' % prop.conf)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
'--dist=load',
'--tx=popen//chdir=%s' % dir1,
'--tx=popen//chdir=%s' % dir2,
'--rsyncdir=%s' % script.basename,
'--rsyncdir=.coveragerc',
'--max-slave-restart=0', '-s',
script, *prop.args)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_dist_not_collocated* %s *' % prop.result,
'*10 passed*'
])
assert result.ret == 0
def test_central_subprocess(testdir):
scripts = testdir.makepyfile(parent_script=SCRIPT_PARENT,
child_script=SCRIPT_CHILD)
parent_script = scripts.dirpath().join('parent_script.py')
result = testdir.runpytest('-v',
'--cov=%s' % scripts.dirpath(),
'--cov-report=term-missing',
parent_script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'child_script* %s*' % CHILD_SCRIPT_RESULT,
'parent_script* %s*' % PARENT_SCRIPT_RESULT,
])
assert result.ret == 0
def test_central_subprocess_change_cwd(testdir):
scripts = testdir.makepyfile(parent_script=SCRIPT_PARENT_CHANGE_CWD,
child_script=SCRIPT_CHILD)
parent_script = scripts.dirpath().join('parent_script.py')
testdir.makefile('', coveragerc="""
[run]
branch = true
parallel = true
""")
result = testdir.runpytest('-v', '-s',
'--cov=%s' % scripts.dirpath(),
'--cov-config=coveragerc',
'--cov-report=term-missing',
parent_script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'*child_script* %s*' % CHILD_SCRIPT_RESULT,
'*parent_script* 100%*',
])
assert result.ret == 0
def test_central_subprocess_change_cwd_with_pythonpath(testdir, monkeypatch):
stuff = testdir.mkdir('stuff')
parent_script = stuff.join('parent_script.py')
parent_script.write(SCRIPT_PARENT_CHANGE_CWD_IMPORT_CHILD)
stuff.join('child_script.py').write(SCRIPT_CHILD)
testdir.makefile('', coveragerc="""
[run]
parallel = true
""")
monkeypatch.setitem(os.environ, 'PYTHONPATH', str(stuff))
result = testdir.runpytest('-vv', '-s',
'--cov=child_script',
'--cov-config=coveragerc',
'--cov-report=term-missing',
'--cov-branch',
parent_script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'*child_script* %s*' % CHILD_SCRIPT_RESULT,
])
assert result.ret == 0
def test_central_subprocess_no_subscript(testdir):
script = testdir.makepyfile("""
import subprocess, sys
def test_foo():
subprocess.check_call([sys.executable, '-c', 'print("Hello World")'])
""")
testdir.makefile('', coveragerc="""
[run]
parallel = true
omit =
*/__init__.py
""")
result = testdir.runpytest('-v',
'--cov-config=coveragerc',
'--cov=%s' % script.dirpath(),
'--cov-branch',
script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_central_subprocess_no_subscript* * 3 * 0 * 100%*',
])
assert result.ret == 0
def test_dist_subprocess_collocated(testdir):
scripts = testdir.makepyfile(parent_script=SCRIPT_PARENT,
child_script=SCRIPT_CHILD)
parent_script = scripts.dirpath().join('parent_script.py')
result = testdir.runpytest('-v',
'--cov=%s' % scripts.dirpath(),
'--cov-report=term-missing',
'--dist=load',
'--tx=2*popen',
'--max-slave-restart=0',
parent_script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'child_script* %s*' % CHILD_SCRIPT_RESULT,
'parent_script* %s*' % PARENT_SCRIPT_RESULT,
])
assert result.ret == 0
def test_dist_subprocess_not_collocated(testdir, tmpdir):
scripts = testdir.makepyfile(parent_script=SCRIPT_PARENT,
child_script=SCRIPT_CHILD)
parent_script = scripts.dirpath().join('parent_script.py')
child_script = scripts.dirpath().join('child_script.py')
dir1 = tmpdir.mkdir('dir1')
dir2 = tmpdir.mkdir('dir2')
testdir.tmpdir.join('.coveragerc').write('''
[paths]
source =
%s
*/dir1
*/dir2
''' % scripts.dirpath())
result = testdir.runpytest('-v',
'--cov=%s' % scripts.dirpath(),
'--dist=load',
'--tx=popen//chdir=%s' % dir1,
'--tx=popen//chdir=%s' % dir2,
'--rsyncdir=%s' % child_script,
'--rsyncdir=%s' % parent_script,
'--rsyncdir=.coveragerc',
'--max-slave-restart=0',
parent_script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'child_script* %s*' % CHILD_SCRIPT_RESULT,
'parent_script* %s*' % PARENT_SCRIPT_RESULT,
])
assert result.ret == 0
def test_invalid_coverage_source(testdir):
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=non_existent_module',
'--cov-report=term-missing',
script)
result.stdout.fnmatch_lines([
'*10 passed*'
])
result.stderr.fnmatch_lines([
'Coverage.py warning: No data was collected.*'
])
result.stdout.fnmatch_lines([
'*Failed to generate report: No data to report.',
])
assert result.ret == 0
matching_lines = [line for line in result.outlines if '%' in line]
assert not matching_lines
@pytest.mark.skipif("'dev' in pytest.__version__")
def test_dist_missing_data(testdir):
venv_path = os.path.join(str(testdir.tmpdir), 'venv')
virtualenv.create_environment(venv_path)
if sys.platform == 'win32':
exe = os.path.join(venv_path, 'Scripts', 'python.exe')
else:
exe = os.path.join(venv_path, 'bin', 'python')
subprocess.check_call([
exe,
'-mpip',
'install',
'py==%s' % py.__version__,
'pytest==%s' % pytest.__version__
])
script = testdir.makepyfile(SCRIPT)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
'--dist=load',
'--tx=popen//python=%s' % exe,
'--max-slave-restart=0',
script)
result.stdout.fnmatch_lines([
'*- coverage: failed slaves -*'
])
assert result.ret == 0
def test_funcarg(testdir):
script = testdir.makepyfile(SCRIPT_FUNCARG)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_funcarg* 3 * 100%*',
'*1 passed*'
])
assert result.ret == 0
def test_funcarg_not_active(testdir):
script = testdir.makepyfile(SCRIPT_FUNCARG_NOT_ACTIVE)
result = testdir.runpytest('-v',
script)
result.stdout.fnmatch_lines([
'*1 passed*'
])
assert result.ret == 0
def test_multiprocessing_subprocess(testdir):
py.test.importorskip('multiprocessing.util')
script = testdir.makepyfile('''
import multiprocessing
def target_fn():
a = True
return a
def test_run_target():
p = multiprocessing.Process(target=target_fn)
p.start()
p.join()
''')
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_multiprocessing_subprocess* 8 * 100%*',
'*1 passed*'
])
assert result.ret == 0
def test_multiprocessing_subprocess_no_source(testdir):
py.test.importorskip('multiprocessing.util')
script = testdir.makepyfile('''
import multiprocessing
def target_fn():
a = True
return a
def test_run_target():
p = multiprocessing.Process(target=target_fn)
p.start()
p.join()
''')
result = testdir.runpytest('-v',
'--cov',
'--cov-report=term-missing',
script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_multiprocessing_subprocess* 8 * 100%*',
'*1 passed*'
])
assert result.ret == 0
@pytest.mark.skipif('sys.platform == "win32"',
reason="multiprocessing don't support clean process temination on Windows")
def test_multiprocessing_subprocess_with_terminate(testdir):
py.test.importorskip('multiprocessing.util')
script = testdir.makepyfile('''
import multiprocessing
import time
from pytest_cov.embed import cleanup_on_sigterm
cleanup_on_sigterm()
event = multiprocessing.Event()
def target_fn():
a = True
event.set()
time.sleep(5)
def test_run_target():
p = multiprocessing.Process(target=target_fn)
p.start()
event.wait(1)
p.terminate()
p.join()
''')
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
script)
result.stdout.fnmatch_lines([
'*- coverage: platform *, python * -*',
'test_multiprocessing_subprocess* 15 * 100%*',
'*1 passed*'
])
assert result.ret == 0
MODULE = '''
def func():
return 1
'''
CONFTEST = '''
import mod
mod.func()
'''
BASIC_TEST = '''
def test_basic():
x = True
assert x
'''
CONF_RESULT = 'mod* 2 * 100%*'
def test_cover_conftest(testdir):
testdir.makepyfile(mod=MODULE)
testdir.makeconftest(CONFTEST)
script = testdir.makepyfile(BASIC_TEST)
result = testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--cov-report=term-missing',
script)
assert result.ret == 0
result.stdout.fnmatch_lines([CONF_RESULT])
def test_cover_looponfail(testdir, monkeypatch):
testdir.makepyfile(mod=MODULE)
testdir.makeconftest(CONFTEST)
script = testdir.makepyfile(BASIC_TEST)
monkeypatch.setattr(testdir, 'run', lambda *args: _TestProcess(*map(str, args)))
with testdir.runpytest('-v',
'--cov=%s' % script.dirpath(),
'--looponfail',
script) as process:
with dump_on_error(process.read):
wait_for_strings(
process.read,
30, # 30 seconds
'Stmts Miss Cover'
)