def test_sub_python_is_this_python(self):
# Try it with a Python command.
self.set_environ('COV_FOOBAR', 'XYZZY')
self.make_file("showme.py", """\
import os, sys
print(sys.executable)
print(os.__file__)
print(os.environ['COV_FOOBAR'])
""")
out = self.run_command("python showme.py").splitlines()
self.assertEqual(actual_path(out[0]), actual_path(sys.executable))
self.assertEqual(out[1], os.__file__)
self.assertEqual(out[2], 'XYZZY')
# Try it with a "coverage debug sys" command.
out = self.run_command("coverage debug sys")
executable = re_line(out, "executable:")
executable = executable.split(":", 1)[1].strip()
self.assertTrue(_same_python_executable(executable, sys.executable))
# "environment: COV_FOOBAR = XYZZY" or "COV_FOOBAR = XYZZY"
environ = re_line(out, "COV_FOOBAR")
_, _, environ = environ.rpartition(":")
self.assertEqual(environ.strip(), "COV_FOOBAR = XYZZY")
def test_sub_python_is_this_python(self):
# Try it with a Python command.
self.set_environ('COV_FOOBAR', 'XYZZY')
self.make_file(
"showme.py", """\
import os, sys
print(sys.executable)
print(os.__file__)
print(os.environ['COV_FOOBAR'])
""")
out = self.run_command("python showme.py").splitlines()
self.assertEqual(actual_path(out[0]), actual_path(sys.executable))
self.assertEqual(out[1], os.__file__)
self.assertEqual(out[2], 'XYZZY')
# Try it with a "coverage debug sys" command.
out = self.run_command("coverage debug sys")
executable = re_line(out, "executable:")
executable = executable.split(":", 1)[1].strip()
self.assertTrue(_same_python_executable(executable, sys.executable))
# "environment: COV_FOOBAR = XYZZY" or "COV_FOOBAR = XYZZY"
environ = re_line(out, "COV_FOOBAR")
_, _, environ = environ.rpartition(":")
self.assertEqual(environ.strip(), "COV_FOOBAR = XYZZY")
def test_empty_file_is_100_not_0(self):
# https://bitbucket.org/ned/coveragepy/issue/345
cov = self.run_doit()
cov.xml_report(outfile="-")
xml = self.stdout()
init_line = re_line(xml, 'filename="sub/__init__.py"')
self.assertIn('line-rate="1"', init_line)
def test_debug_pybehave(self):
out_text = self.f1_debug_output(["pybehave"])
out_lines = out_text.splitlines()
assert 10 < len(out_lines) < 40
pyversion = re_line(r" PYVERSION:", out_text)
vtuple = ast.literal_eval(pyversion.partition(":")[-1].strip())
assert vtuple[:5] == sys.version_info
def test_filename_format_including_module(self):
cov = self.run_doit()
import sub.doit # pylint: disable=import-error
cov.xml_report([sub.doit], outfile="-")
xml = self.stdout()
doit_line = re_line(xml, "class.*doit")
self.assertIn('filename="sub/doit.py"', doit_line)
def test_debug_sys_ctracer(self):
out_lines = self.f1_debug_output(["sys"])
tracer_line = re_line(out_lines, r"CTracer:").strip()
if env.C_TRACER:
expected = "CTracer: available"
else:
expected = "CTracer: unavailable"
assert expected == tracer_line
def test_debug_sys_ctracer(self):
out_lines = self.f1_debug_output(["sys"])
tracer_line = re_line(out_lines, r"CTracer:").strip()
if C_TRACER:
expected = "CTracer: available"
else:
expected = "CTracer: unavailable"
self.assertEqual(expected, tracer_line)
def test_debug_pybehave(self):
self.command_line("debug pybehave")
out = self.stdout()
assert " CPYTHON:" in out
assert " PYVERSION:" in out
assert " pep626:" in out
pyversion = re_line(r" PYVERSION:", out)
vtuple = ast.literal_eval(pyversion.partition(":")[-1].strip())
assert vtuple[:5] == sys.version_info
def test_reporting_on_nothing(self):
# Used to raise a zero division error:
# https://bitbucket.org/ned/coveragepy/issue/250
self.make_file("empty.py", "")
cov = coverage.Coverage()
empty = self.start_import_stop(cov, "empty")
cov.xml_report([empty], outfile="-")
xml = self.stdout()
empty_line = re_line(xml, "class.*empty")
self.assertIn('filename="empty.py"', empty_line)
self.assertIn('line-rate="1"', empty_line)
def test_bad(self):
self.make_file("out/gettysburg.txt", BAD_GETTY)
# compare() raises an assertion.
msg = rf"Files differ: .*{GOLD_PATH_RX} != {OUT_PATH_RX}"
with pytest.raises(AssertionError, match=msg):
compare(gold_path("testing/getty"), "out", scrubs=SCRUBS)
# Stdout has a description of the diff. The diff shows the scrubbed content.
stdout = self.stdout()
assert "- Four score" in stdout
assert "+ Five score" in stdout
assert re_line(rf"^:::: diff '.*{GOLD_PATH_RX}' and '{OUT_PATH_RX}'",
stdout)
assert re_line(
rf"^:::: end diff '.*{GOLD_PATH_RX}' and '{OUT_PATH_RX}'", stdout)
assert " D/D/D, Gxxx, Pennsylvania" in stdout
# The actual file was saved.
with open(ACTUAL_GETTY_FILE) as f:
saved = f.read()
assert saved == BAD_GETTY
def test_filename_format_showing_everything(self):
cov = self.run_doit()
cov.xml_report(outfile="-")
xml = self.stdout()
doit_line = re_line(xml, "class.*doit")
self.assertIn('filename="sub/doit.py"', doit_line)
def test_re_line(text, pat, result):
assert re_line(text, pat) == result
def test_re_line_bad(text, pat):
with pytest.raises(AssertionError):
re_line(text, pat)
def test_re_line_bad(self, pat, text):
with pytest.raises(AssertionError):
re_line(pat, text)
def test_re_line(text, pat, result):
assert re_line(text, pat) == result
def test_re_line_bad(text, pat):
with pytest.raises(AssertionError):
re_line(text, pat)
def test_re_line(self, pat, text, result):
assert re_line(pat, text) == result
def test_filename_format_including_filename(self):
cov = self.run_doit()
cov.xml_report(["sub/doit.py"], outfile="-")
xml = self.stdout()
doit_line = re_line(xml, "class.*doit")
self.assertIn('filename="sub/doit.py"', doit_line)
