def test_output_when_testing_test_that_fails(self, failing_test_file: str):
# Arrange
pytest_output = TestStringIO()
sys_output = TestStringIO()
# Act
reports = run_pytest([failing_test_file], pytest_output, sys_output)
# Assert
# Check reports
assert isinstance(reports, list), f"Exit code: {reports}"
assert reports == [
TestEvent("setup", "passed"),
TestEvent("call", "failed"),
TestEvent("teardown", "passed")
]
# Check output
assert sys_output == markup("F", "red")
# Check pytest output
assert "collected 1 item" in pytest_output
assert "============================== 1 failed" in pytest_output
assert ("""def test_that_fails():
> raise ValueError("Intended to fail")
E ValueError: Intended to fail""" in pytest_output)
def test_pytest_header_output(self, failing_test_file: str):
# Arrange
pytest_out = TestStringIO()
# Act
run_pytest([failing_test_file], pytest_out)
# Assert
pytest_output = pytest_out.getvalue()
expected_log_fragments = [
"============================= test session starts =============================",
"Python 3.8.",
"pytest-6.2.4",
"py-1.10.0",
"pluggy-0.13.1",
"plugins: typeguard-2.12.0",
]
for expected in expected_log_fragments:
assert expected in pytest_output, f"{expected} not in {pytest_output}"
def test_output_when_testing_skipped_test(self, skipped_test_file: str):
# Arrange
pytest_output = TestStringIO()
sys_output = TestStringIO()
# Act
reports = run_pytest([skipped_test_file], pytest_output, sys_output)
# Assert
# Check reports
assert isinstance(reports, list), f"Exit code: {reports}"
assert reports == [
TestEvent("setup", "skipped"),
TestEvent("teardown", "passed")
]
# Check output
assert sys_output == markup("s", "yellow")
# Check pytest output
assert "collected 1 item" in pytest_output
def test_output_with_successful_test(self, successful_test_file: str):
# Arrange
pytest_output = TestStringIO()
sys_output = TestStringIO()
# Act
reports = run_pytest([successful_test_file], pytest_output, sys_output)
# Assert
# Check reports
assert reports == [
TestEvent("setup", "passed"),
TestEvent("call", "passed"),
TestEvent("teardown", "passed")
]
# Check output
assert sys_output == markup(".", "green")
assert "collected 1 item" in pytest_output
assert "============================== 1 passed" in pytest_output
def test_directory_structure(self, temp_test_directory: str):
# Arrange
pytest_output = TestStringIO()
sys_output = TestStringIO()
# Act
reports = run_pytest([temp_test_directory], pytest_output, sys_output)
# Assert
# Check reports
assert reports == 2 * [
TestEvent("setup", "passed"),
TestEvent("call", "passed"),
TestEvent("teardown", "passed"),
]
# Check output
assert sys_output == 2 * markup(".", "green")
assert os.path.join("nested", "test_file2.py") in pytest_output
assert "collected 2 items" in pytest_output
assert "============================== 2 passed" in pytest_output
def test_output_with_failing_class_setup(
self, test_with_failing_class_setup_file: str):
# Arrange
pytest_output = TestStringIO()
sys_output = TestStringIO()
# Act
reports = run_pytest([test_with_failing_class_setup_file],
pytest_output, sys_output)
# Assert
# Check reports
assert reports == [
TestEvent("setup", "failed"),
TestEvent("teardown", "passed")
]
# Check output
assert sys_output == markup("E", "red")
assert "collected 1 item" in pytest_output
assert "============================== 1 error" in pytest_output
def test_output_when_testing_skipped_test_with_failing_teardown(
self, skipped_test_with_failing_teardown_file: str):
# Arrange
pytest_output = TestStringIO()
sys_output = TestStringIO()
# Act
reports = run_pytest([skipped_test_with_failing_teardown_file],
pytest_output, sys_output)
# Assert
# Check reports
assert reports == [
TestEvent("setup", "skipped"),
TestEvent("teardown", "passed")
]
# ^^^^^^
# The failing teardown method is skipped, and the actual pytest teardown passes
# Actually, I learned it refers to class teardown, rather than test teardown
# Test teardown is contained within "when=call"
# Check output
assert sys_output == markup("s", "yellow")
def test_output_with_failing_test_and_teardown(
self, test_that_fails_and_teardown_file: str):
# Arrange
pytest_output = TestStringIO()
sys_output = TestStringIO()
# Act
reports = run_pytest([test_that_fails_and_teardown_file],
pytest_output, sys_output)
# Assert
# Check reports
assert reports == [
TestEvent("setup", "passed"),
TestEvent("call", "failed"),
TestEvent("teardown", "failed")
]
# The test teardown fails, and unlike when=setup, when=teardown the test teardown failing is reflected
# Check output
assert sys_output == markup("F", "red") + markup("E", "red")
assert "collected 1 item" in pytest_output
assert "========================= 1 failed, 1 error" in pytest_output
def test_output_with_failing_teardown(
self, test_with_failing_teardown_file: str):
# Arrange
pytest_output = TestStringIO()
sys_output = TestStringIO()
# Act
reports = run_pytest([test_with_failing_teardown_file], pytest_output,
sys_output)
# Assert
# Check reports
assert reports == [
TestEvent("setup", "passed"),
TestEvent("call", "failed"),
TestEvent("teardown", "passed")
]
# Just like when=setup, when=teardown refers to class teardown rather than function teardown, so it passes^
# Check output
assert sys_output == markup("F", "red")
assert "collected 1 item" in pytest_output
assert "============================== 1 failed" in pytest_output
def test_output_with_failing_setup(self,
test_with_failing_setup_file: str):
# Arrange
pytest_output = TestStringIO()
sys_output = TestStringIO()
# Act
reports = run_pytest([test_with_failing_setup_file], pytest_output,
sys_output)
# Assert
# Check reports
assert reports == [
TestEvent("setup", "passed"),
TestEvent("call", "failed"),
TestEvent("teardown", "passed")
]
# The function test setup fails, but the class setup (which is what when=setup refers to) still succeeds
# Check output
assert sys_output == markup("F", "red")
assert "collected 1 item" in pytest_output
assert "============================== 1 failed" in pytest_output
def test_partest_on_empty_file(self, temp_test_file: str):
exit_code = run_pytest([temp_test_file])
assert exit_code == ExitCode.NO_TESTS_COLLECTED
