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test_runner.py
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test_runner.py
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# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, print_function
import _pytest._code
import inspect
import os
import py
import pytest
import sys
import types
from _pytest import runner, main, outcomes
class TestSetupState(object):
def test_setup(self, testdir):
ss = runner.SetupState()
item = testdir.getitem("def test_func(): pass")
values = [1]
ss.prepare(item)
ss.addfinalizer(values.pop, colitem=item)
assert values
ss._pop_and_teardown()
assert not values
def test_teardown_exact_stack_empty(self, testdir):
item = testdir.getitem("def test_func(): pass")
ss = runner.SetupState()
ss.teardown_exact(item, None)
ss.teardown_exact(item, None)
ss.teardown_exact(item, None)
def test_setup_fails_and_failure_is_cached(self, testdir):
item = testdir.getitem(
"""
def setup_module(mod):
raise ValueError(42)
def test_func(): pass
"""
)
ss = runner.SetupState()
pytest.raises(ValueError, lambda: ss.prepare(item))
pytest.raises(ValueError, lambda: ss.prepare(item))
def test_teardown_multiple_one_fails(self, testdir):
r = []
def fin1():
r.append("fin1")
def fin2():
raise Exception("oops")
def fin3():
r.append("fin3")
item = testdir.getitem("def test_func(): pass")
ss = runner.SetupState()
ss.addfinalizer(fin1, item)
ss.addfinalizer(fin2, item)
ss.addfinalizer(fin3, item)
with pytest.raises(Exception) as err:
ss._callfinalizers(item)
assert err.value.args == ("oops",)
assert r == ["fin3", "fin1"]
def test_teardown_multiple_fail(self, testdir):
# Ensure the first exception is the one which is re-raised.
# Ideally both would be reported however.
def fin1():
raise Exception("oops1")
def fin2():
raise Exception("oops2")
item = testdir.getitem("def test_func(): pass")
ss = runner.SetupState()
ss.addfinalizer(fin1, item)
ss.addfinalizer(fin2, item)
with pytest.raises(Exception) as err:
ss._callfinalizers(item)
assert err.value.args == ("oops2",)
def test_teardown_multiple_scopes_one_fails(self, testdir):
module_teardown = []
def fin_func():
raise Exception("oops1")
def fin_module():
module_teardown.append("fin_module")
item = testdir.getitem("def test_func(): pass")
ss = runner.SetupState()
ss.addfinalizer(fin_module, item.listchain()[-2])
ss.addfinalizer(fin_func, item)
ss.prepare(item)
with pytest.raises(Exception, match="oops1"):
ss.teardown_exact(item, None)
assert module_teardown
class BaseFunctionalTests(object):
def test_passfunction(self, testdir):
reports = testdir.runitem(
"""
def test_func():
pass
"""
)
rep = reports[1]
assert rep.passed
assert not rep.failed
assert rep.outcome == "passed"
assert not rep.longrepr
def test_failfunction(self, testdir):
reports = testdir.runitem(
"""
def test_func():
assert 0
"""
)
rep = reports[1]
assert not rep.passed
assert not rep.skipped
assert rep.failed
assert rep.when == "call"
assert rep.outcome == "failed"
# assert isinstance(rep.longrepr, ReprExceptionInfo)
def test_skipfunction(self, testdir):
reports = testdir.runitem(
"""
import pytest
def test_func():
pytest.skip("hello")
"""
)
rep = reports[1]
assert not rep.failed
assert not rep.passed
assert rep.skipped
assert rep.outcome == "skipped"
# assert rep.skipped.when == "call"
# assert rep.skipped.when == "call"
# assert rep.skipped == "%sreason == "hello"
# assert rep.skipped.location.lineno == 3
# assert rep.skipped.location.path
# assert not rep.skipped.failurerepr
def test_skip_in_setup_function(self, testdir):
reports = testdir.runitem(
"""
import pytest
def setup_function(func):
pytest.skip("hello")
def test_func():
pass
"""
)
print(reports)
rep = reports[0]
assert not rep.failed
assert not rep.passed
assert rep.skipped
# assert rep.skipped.reason == "hello"
# assert rep.skipped.location.lineno == 3
# assert rep.skipped.location.lineno == 3
assert len(reports) == 2
assert reports[1].passed # teardown
def test_failure_in_setup_function(self, testdir):
reports = testdir.runitem(
"""
import pytest
def setup_function(func):
raise ValueError(42)
def test_func():
pass
"""
)
rep = reports[0]
assert not rep.skipped
assert not rep.passed
assert rep.failed
assert rep.when == "setup"
assert len(reports) == 2
def test_failure_in_teardown_function(self, testdir):
reports = testdir.runitem(
"""
import pytest
def teardown_function(func):
raise ValueError(42)
def test_func():
pass
"""
)
print(reports)
assert len(reports) == 3
rep = reports[2]
assert not rep.skipped
assert not rep.passed
assert rep.failed
assert rep.when == "teardown"
# assert rep.longrepr.reprcrash.lineno == 3
# assert rep.longrepr.reprtraceback.reprentries
def test_custom_failure_repr(self, testdir):
testdir.makepyfile(
conftest="""
import pytest
class Function(pytest.Function):
def repr_failure(self, excinfo):
return "hello"
"""
)
reports = testdir.runitem(
"""
import pytest
def test_func():
assert 0
"""
)
rep = reports[1]
assert not rep.skipped
assert not rep.passed
assert rep.failed
# assert rep.outcome.when == "call"
# assert rep.failed.where.lineno == 3
# assert rep.failed.where.path.basename == "test_func.py"
# assert rep.failed.failurerepr == "hello"
def test_teardown_final_returncode(self, testdir):
rec = testdir.inline_runsource(
"""
def test_func():
pass
def teardown_function(func):
raise ValueError(42)
"""
)
assert rec.ret == 1
def test_logstart_logfinish_hooks(self, testdir):
rec = testdir.inline_runsource(
"""
import pytest
def test_func():
pass
"""
)
reps = rec.getcalls("pytest_runtest_logstart pytest_runtest_logfinish")
assert (
[x._name for x in reps]
== ["pytest_runtest_logstart", "pytest_runtest_logfinish"]
)
for rep in reps:
assert rep.nodeid == "test_logstart_logfinish_hooks.py::test_func"
assert rep.location == ("test_logstart_logfinish_hooks.py", 1, "test_func")
def test_exact_teardown_issue90(self, testdir):
rec = testdir.inline_runsource(
"""
import pytest
class TestClass(object):
def test_method(self):
pass
def teardown_class(cls):
raise Exception()
def test_func():
import sys
# on python2 exc_info is keept till a function exits
# so we would end up calling test functions while
# sys.exc_info would return the indexerror
# from guessing the lastitem
excinfo = sys.exc_info()
import traceback
assert excinfo[0] is None, \
traceback.format_exception(*excinfo)
def teardown_function(func):
raise ValueError(42)
"""
)
reps = rec.getreports("pytest_runtest_logreport")
print(reps)
for i in range(2):
assert reps[i].nodeid.endswith("test_method")
assert reps[i].passed
assert reps[2].when == "teardown"
assert reps[2].failed
assert len(reps) == 6
for i in range(3, 5):
assert reps[i].nodeid.endswith("test_func")
assert reps[i].passed
assert reps[5].when == "teardown"
assert reps[5].nodeid.endswith("test_func")
assert reps[5].failed
def test_exact_teardown_issue1206(self, testdir):
"""issue shadowing error with wrong number of arguments on teardown_method."""
rec = testdir.inline_runsource(
"""
import pytest
class TestClass(object):
def teardown_method(self, x, y, z):
pass
def test_method(self):
assert True
"""
)
reps = rec.getreports("pytest_runtest_logreport")
print(reps)
assert len(reps) == 3
#
assert reps[0].nodeid.endswith("test_method")
assert reps[0].passed
assert reps[0].when == "setup"
#
assert reps[1].nodeid.endswith("test_method")
assert reps[1].passed
assert reps[1].when == "call"
#
assert reps[2].nodeid.endswith("test_method")
assert reps[2].failed
assert reps[2].when == "teardown"
assert reps[2].longrepr.reprcrash.message in (
# python3 error
"TypeError: teardown_method() missing 2 required positional arguments: 'y' and 'z'",
# python2 error
"TypeError: teardown_method() takes exactly 4 arguments (2 given)",
)
def test_failure_in_setup_function_ignores_custom_repr(self, testdir):
testdir.makepyfile(
conftest="""
import pytest
class Function(pytest.Function):
def repr_failure(self, excinfo):
assert 0
"""
)
reports = testdir.runitem(
"""
def setup_function(func):
raise ValueError(42)
def test_func():
pass
"""
)
assert len(reports) == 2
rep = reports[0]
print(rep)
assert not rep.skipped
assert not rep.passed
assert rep.failed
# assert rep.outcome.when == "setup"
# assert rep.outcome.where.lineno == 3
# assert rep.outcome.where.path.basename == "test_func.py"
# assert instanace(rep.failed.failurerepr, PythonFailureRepr)
def test_systemexit_does_not_bail_out(self, testdir):
try:
reports = testdir.runitem(
"""
def test_func():
raise SystemExit(42)
"""
)
except SystemExit:
pytest.fail("runner did not catch SystemExit")
rep = reports[1]
assert rep.failed
assert rep.when == "call"
def test_exit_propagates(self, testdir):
try:
testdir.runitem(
"""
import pytest
def test_func():
raise pytest.exit.Exception()
"""
)
except pytest.exit.Exception:
pass
else:
pytest.fail("did not raise")
class TestExecutionNonForked(BaseFunctionalTests):
def getrunner(self):
def f(item):
return runner.runtestprotocol(item, log=False)
return f
def test_keyboardinterrupt_propagates(self, testdir):
try:
testdir.runitem(
"""
def test_func():
raise KeyboardInterrupt("fake")
"""
)
except KeyboardInterrupt:
pass
else:
pytest.fail("did not raise")
class TestExecutionForked(BaseFunctionalTests):
pytestmark = pytest.mark.skipif("not hasattr(os, 'fork')")
def getrunner(self):
# XXX re-arrange this test to live in pytest-xdist
boxed = pytest.importorskip("xdist.boxed")
return boxed.forked_run_report
def test_suicide(self, testdir):
reports = testdir.runitem(
"""
def test_func():
import os
os.kill(os.getpid(), 15)
"""
)
rep = reports[0]
assert rep.failed
assert rep.when == "???"
class TestSessionReports(object):
def test_collect_result(self, testdir):
col = testdir.getmodulecol(
"""
def test_func1():
pass
class TestClass(object):
pass
"""
)
rep = runner.collect_one_node(col)
assert not rep.failed
assert not rep.skipped
assert rep.passed
locinfo = rep.location
assert locinfo[0] == col.fspath.basename
assert not locinfo[1]
assert locinfo[2] == col.fspath.basename
res = rep.result
assert len(res) == 2
assert res[0].name == "test_func1"
assert res[1].name == "TestClass"
reporttypes = [
runner.BaseReport,
runner.TestReport,
runner.TeardownErrorReport,
runner.CollectReport,
]
@pytest.mark.parametrize(
"reporttype", reporttypes, ids=[x.__name__ for x in reporttypes]
)
def test_report_extra_parameters(reporttype):
if hasattr(inspect, "signature"):
args = list(inspect.signature(reporttype.__init__).parameters.keys())[1:]
else:
args = inspect.getargspec(reporttype.__init__)[0][1:]
basekw = dict.fromkeys(args, [])
report = reporttype(newthing=1, **basekw)
assert report.newthing == 1
def test_callinfo():
ci = runner.CallInfo(lambda: 0, "123")
assert ci.when == "123"
assert ci.result == 0
assert "result" in repr(ci)
ci = runner.CallInfo(lambda: 0 / 0, "123")
assert ci.when == "123"
assert not hasattr(ci, "result")
assert ci.excinfo
assert "exc" in repr(ci)
# design question: do we want general hooks in python files?
# then something like the following functional tests makes sense
@pytest.mark.xfail
def test_runtest_in_module_ordering(testdir):
p1 = testdir.makepyfile(
"""
import pytest
def pytest_runtest_setup(item): # runs after class-level!
item.function.mylist.append("module")
class TestClass(object):
def pytest_runtest_setup(self, item):
assert not hasattr(item.function, 'mylist')
item.function.mylist = ['class']
@pytest.fixture
def mylist(self, request):
return request.function.mylist
def pytest_runtest_call(self, item, __multicall__):
try:
__multicall__.execute()
except ValueError:
pass
def test_hello1(self, mylist):
assert mylist == ['class', 'module'], mylist
raise ValueError()
def test_hello2(self, mylist):
assert mylist == ['class', 'module'], mylist
def pytest_runtest_teardown(item):
del item.function.mylist
"""
)
result = testdir.runpytest(p1)
result.stdout.fnmatch_lines(["*2 passed*"])
def test_outcomeexception_exceptionattributes():
outcome = outcomes.OutcomeException("test")
assert outcome.args[0] == outcome.msg
def test_outcomeexception_passes_except_Exception():
with pytest.raises(outcomes.OutcomeException):
try:
raise outcomes.OutcomeException("test")
except Exception:
pass
def test_pytest_exit():
try:
pytest.exit("hello")
except pytest.exit.Exception:
excinfo = _pytest._code.ExceptionInfo()
assert excinfo.errisinstance(KeyboardInterrupt)
def test_pytest_fail():
try:
pytest.fail("hello")
except pytest.fail.Exception:
excinfo = _pytest._code.ExceptionInfo()
s = excinfo.exconly(tryshort=True)
assert s.startswith("Failed")
def test_pytest_exit_msg(testdir):
testdir.makeconftest(
"""
import pytest
def pytest_configure(config):
pytest.exit('oh noes')
"""
)
result = testdir.runpytest()
result.stderr.fnmatch_lines(["Exit: oh noes"])
def test_pytest_fail_notrace(testdir):
testdir.makepyfile(
"""
import pytest
def test_hello():
pytest.fail("hello", pytrace=False)
def teardown_function(function):
pytest.fail("world", pytrace=False)
"""
)
result = testdir.runpytest()
result.stdout.fnmatch_lines(["world", "hello"])
assert "def teardown_function" not in result.stdout.str()
@pytest.mark.parametrize("str_prefix", ["u", ""])
def test_pytest_fail_notrace_non_ascii(testdir, str_prefix):
"""Fix pytest.fail with pytrace=False with non-ascii characters (#1178).
This tests with native and unicode strings containing non-ascii chars.
"""
testdir.makepyfile(
u"""
# coding: utf-8
import pytest
def test_hello():
pytest.fail(%s'oh oh: ☺', pytrace=False)
"""
% str_prefix
)
result = testdir.runpytest()
if sys.version_info[0] >= 3:
result.stdout.fnmatch_lines(["*test_hello*", "oh oh: ☺"])
else:
result.stdout.fnmatch_lines(["*test_hello*", "oh oh: *"])
assert "def test_hello" not in result.stdout.str()
def test_pytest_no_tests_collected_exit_status(testdir):
result = testdir.runpytest()
result.stdout.fnmatch_lines("*collected 0 items*")
assert result.ret == main.EXIT_NOTESTSCOLLECTED
testdir.makepyfile(
test_foo="""
def test_foo():
assert 1
"""
)
result = testdir.runpytest()
result.stdout.fnmatch_lines("*collected 1 item*")
result.stdout.fnmatch_lines("*1 passed*")
assert result.ret == main.EXIT_OK
result = testdir.runpytest("-k nonmatch")
result.stdout.fnmatch_lines("*collected 1 item*")
result.stdout.fnmatch_lines("*1 deselected*")
assert result.ret == main.EXIT_NOTESTSCOLLECTED
def test_exception_printing_skip():
try:
pytest.skip("hello")
except pytest.skip.Exception:
excinfo = _pytest._code.ExceptionInfo()
s = excinfo.exconly(tryshort=True)
assert s.startswith("Skipped")
def test_importorskip(monkeypatch):
importorskip = pytest.importorskip
def f():
importorskip("asdlkj")
try:
sysmod = importorskip("sys")
assert sysmod is sys
# path = pytest.importorskip("os.path")
# assert path == os.path
excinfo = pytest.raises(pytest.skip.Exception, f)
path = py.path.local(excinfo.getrepr().reprcrash.path)
# check that importorskip reports the actual call
# in this test the test_runner.py file
assert path.purebasename == "test_runner"
pytest.raises(SyntaxError, "pytest.importorskip('x y z')")
pytest.raises(SyntaxError, "pytest.importorskip('x=y')")
mod = types.ModuleType("hello123")
mod.__version__ = "1.3"
monkeypatch.setitem(sys.modules, "hello123", mod)
pytest.raises(
pytest.skip.Exception,
"""
pytest.importorskip("hello123", minversion="1.3.1")
""",
)
mod2 = pytest.importorskip("hello123", minversion="1.3")
assert mod2 == mod
except pytest.skip.Exception:
print(_pytest._code.ExceptionInfo())
pytest.fail("spurious skip")
def test_importorskip_imports_last_module_part():
ospath = pytest.importorskip("os.path")
assert os.path == ospath
def test_importorskip_dev_module(monkeypatch):
try:
mod = types.ModuleType("mockmodule")
mod.__version__ = "0.13.0.dev-43290"
monkeypatch.setitem(sys.modules, "mockmodule", mod)
mod2 = pytest.importorskip("mockmodule", minversion="0.12.0")
assert mod2 == mod
pytest.raises(
pytest.skip.Exception,
"""
pytest.importorskip('mockmodule1', minversion='0.14.0')""",
)
except pytest.skip.Exception:
print(_pytest._code.ExceptionInfo())
pytest.fail("spurious skip")
def test_importorskip_module_level(testdir):
"""importorskip must be able to skip entire modules when used at module level"""
testdir.makepyfile(
"""
import pytest
foobarbaz = pytest.importorskip("foobarbaz")
def test_foo():
pass
"""
)
result = testdir.runpytest()
result.stdout.fnmatch_lines(["*collected 0 items / 1 skipped*"])
def test_pytest_cmdline_main(testdir):
p = testdir.makepyfile(
"""
import pytest
def test_hello():
assert 1
if __name__ == '__main__':
pytest.cmdline.main([__file__])
"""
)
import subprocess
popen = subprocess.Popen([sys.executable, str(p)], stdout=subprocess.PIPE)
popen.communicate()
ret = popen.wait()
assert ret == 0
def test_unicode_in_longrepr(testdir):
testdir.makeconftest(
"""
# -*- coding: utf-8 -*-
import pytest
@pytest.hookimpl(hookwrapper=True)
def pytest_runtest_makereport():
outcome = yield
rep = outcome.get_result()
if rep.when == "call":
rep.longrepr = u'ä'
"""
)
testdir.makepyfile(
"""
def test_out():
assert 0
"""
)
result = testdir.runpytest()
assert result.ret == 1
assert "UnicodeEncodeError" not in result.stderr.str()
def test_failure_in_setup(testdir):
testdir.makepyfile(
"""
def setup_module():
0/0
def test_func():
pass
"""
)
result = testdir.runpytest("--tb=line")
assert "def setup_module" not in result.stdout.str()
def test_makereport_getsource(testdir):
testdir.makepyfile(
"""
def test_foo():
if False: pass
else: assert False
"""
)
result = testdir.runpytest()
assert "INTERNALERROR" not in result.stdout.str()
result.stdout.fnmatch_lines(["*else: assert False*"])
def test_makereport_getsource_dynamic_code(testdir, monkeypatch):
"""Test that exception in dynamically generated code doesn't break getting the source line."""
import inspect
original_findsource = inspect.findsource
def findsource(obj, *args, **kwargs):
# Can be triggered by dynamically created functions
if obj.__name__ == "foo":
raise IndexError()
return original_findsource(obj, *args, **kwargs)
monkeypatch.setattr(inspect, "findsource", findsource)
testdir.makepyfile(
"""
import pytest
@pytest.fixture
def foo(missing):
pass
def test_fix(foo):
assert False
"""
)
result = testdir.runpytest("-vv")
assert "INTERNALERROR" not in result.stdout.str()
result.stdout.fnmatch_lines(["*test_fix*", "*fixture*'missing'*not found*"])
def test_store_except_info_on_error():
""" Test that upon test failure, the exception info is stored on
sys.last_traceback and friends.
"""
# Simulate item that might raise a specific exception, depending on `raise_error` class var
class ItemMightRaise(object):
nodeid = "item_that_raises"
raise_error = True
def runtest(self):
if self.raise_error:
raise IndexError("TEST")
try:
runner.pytest_runtest_call(ItemMightRaise())
except IndexError:
pass
# Check that exception info is stored on sys
assert sys.last_type is IndexError
assert sys.last_value.args[0] == "TEST"
assert sys.last_traceback
# The next run should clear the exception info stored by the previous run
ItemMightRaise.raise_error = False
runner.pytest_runtest_call(ItemMightRaise())
assert sys.last_type is None
assert sys.last_value is None
assert sys.last_traceback is None
def test_current_test_env_var(testdir, monkeypatch):
pytest_current_test_vars = []
monkeypatch.setattr(
sys, "pytest_current_test_vars", pytest_current_test_vars, raising=False
)
testdir.makepyfile(
"""
import pytest
import sys
import os
@pytest.fixture
def fix():
sys.pytest_current_test_vars.append(('setup', os.environ['PYTEST_CURRENT_TEST']))
yield
sys.pytest_current_test_vars.append(('teardown', os.environ['PYTEST_CURRENT_TEST']))
def test(fix):
sys.pytest_current_test_vars.append(('call', os.environ['PYTEST_CURRENT_TEST']))
"""
)
result = testdir.runpytest_inprocess()
assert result.ret == 0
test_id = "test_current_test_env_var.py::test"
assert (
pytest_current_test_vars
== [
("setup", test_id + " (setup)"),
("call", test_id + " (call)"),
("teardown", test_id + " (teardown)"),
]
)
assert "PYTEST_CURRENT_TEST" not in os.environ
class TestReportContents(object):
"""
Test user-level API of ``TestReport`` objects.
"""
def getrunner(self):
return lambda item: runner.runtestprotocol(item, log=False)
def test_longreprtext_pass(self, testdir):
reports = testdir.runitem(
"""
def test_func():
pass
"""
)
rep = reports[1]
assert rep.longreprtext == ""
def test_longreprtext_failure(self, testdir):
reports = testdir.runitem(
"""
def test_func():
x = 1
assert x == 4
"""
)
rep = reports[1]
assert "assert 1 == 4" in rep.longreprtext
def test_captured_text(self, testdir):
reports = testdir.runitem(
"""
import pytest
import sys
@pytest.fixture
def fix():
sys.stdout.write('setup: stdout\\n')
sys.stderr.write('setup: stderr\\n')
yield
sys.stdout.write('teardown: stdout\\n')
sys.stderr.write('teardown: stderr\\n')
assert 0
def test_func(fix):
sys.stdout.write('call: stdout\\n')
sys.stderr.write('call: stderr\\n')
assert 0
"""
)
setup, call, teardown = reports
assert setup.capstdout == "setup: stdout\n"
assert call.capstdout == "setup: stdout\ncall: stdout\n"
assert teardown.capstdout == "setup: stdout\ncall: stdout\nteardown: stdout\n"
assert setup.capstderr == "setup: stderr\n"
assert call.capstderr == "setup: stderr\ncall: stderr\n"
assert teardown.capstderr == "setup: stderr\ncall: stderr\nteardown: stderr\n"
def test_no_captured_text(self, testdir):
reports = testdir.runitem(
"""
def test_func():
pass
"""
)
rep = reports[1]
assert rep.capstdout == ""
assert rep.capstderr == ""