def _test_appending(self, modified_input, expected_output):
project = ProjectInDirectory(self.tmpdir)
module_path = putfile(
project.path, "module.py",
read_data("appending_test_cases_module_initial.py"))
test_module_path = putfile(
project.path, "test_module.py",
read_data("appending_test_cases_output_initial.py"))
# Analyze the project with an existing test module.
inspect_project(project)
# Filesystem stat has resolution of 1 second, and we don't want to
# sleep in a test, so we just fake the original files creation time.
project["module"].created = 0
project["test_module"].created = 0
# Modify the application module and analyze it again.
putfile(project.path, "module.py", read_data(modified_input))
inspect_project(project)
# Regenerate the tests.
add_tests_to_project(project, [module_path], 'unittest')
project.save()
assert_length(project.get_modules(), 2)
result = read_file_contents(test_module_path)
expected_result = read_data(expected_output)
assert_equal_strings(expected_result, result)
def test_skips_dynamic_inspection_when_no_changes_were_made_to_the_project(
self):
project = ProjectInDirectory(self.tmpdir)
inspect_project(project)
assert_equal_strings(
"INFO: No changes discovered in the source code, skipping dynamic inspection.\n",
self._get_log_output())
def test_reports_each_inspected_point_of_entry(self):
paths = ["one.py", "two.py"]
project = ProjectInDirectory(self.tmpdir).with_points_of_entry(paths)
inspect_project(project)
for path in paths:
assert_contains_once(self._get_log_output(),
"INFO: Inspecting point of entry %s." % path)
def test_generates_test_stubs(self):
expected_result = read_data("static_analysis_output.py")
project = ProjectInDirectory(self.tmpdir)
module_path = putfile(project.path, "module.py",
read_data("static_analysis_module.py"))
inspect_project(project)
add_tests_to_project(project, [module_path], 'unittest')
result = get_test_module_contents(project)
assert_equal_strings(expected_result, result)
def test_skips_inspection_of_up_to_date_modules(self):
paths = ["module.py", "something_else.py", P("module/in/directory.py")]
project = ProjectInDirectory(self.tmpdir).with_modules(paths)
inspect_project(project)
for path in paths:
assert_contains_once(
self._get_log_output(),
"DEBUG: %s hasn't changed since last inspection, skipping." %
path)
def test_catches_exceptions_raised_by_entry_points(self):
project = ProjectInDirectory(self.tmpdir).with_point_of_entry(
"exc.py", "raise Exception")
inspect_project(project)
if sys.version_info < (2, 5):
assert_contains_once(
self._get_log_output(),
"WARNING: Point of entry exited with error: <exceptions.Exception instance at"
)
else:
assert_contains_once(
self._get_log_output(),
"WARNING: Point of entry exited with error: Exception()")
def test_reports_each_inspected_module(self):
paths = ["module.py", "something_else.py", P("module/in/directory.py")]
project = ProjectInDirectory(self.tmpdir).with_modules(paths)
# Force the inspection by faking files creation time.
project["module"].created = 0
project["something_else"].created = 0
project["module.in.directory"].created = 0
inspect_project(project)
for path in paths:
assert_contains_once(self._get_log_output(),
"INFO: Inspecting module %s." % path)
def execute_with_point_of_entry_and_assert(self, id):
expected_result = read_data("%s_output.py" % id)
project = ProjectInDirectory(self.tmpdir).with_points_of_entry(
["poe.py"])
module_path = putfile(project.path, "module.py",
read_data("%s_module.py" % id))
write_content_to_file(read_data("generic_acceptance_poe.py"),
project.path_for_point_of_entry("poe.py"))
inspect_project(project)
add_tests_to_project(project, [module_path], 'unittest')
result = get_test_module_contents(project)
assert_equal_strings(expected_result, result)
def test_removes_definitions_of_modules_that_dont_exist_anymore(self):
project = ProjectInDirectory(self.tmpdir).with_modules(
["module.py", "other_module.py", "test_module.py"])
test_class = create(TestClass, associated_modules=[project["module"]])
add_test_case(project["test_module.py"], test_class)
project.save()
os.remove(os.path.join(project.path, "other_module.py"))
remove_deleted_modules(project)
assert_not_raises(ModuleNotFound, lambda: project["module"])
assert_raises(ModuleNotFound, lambda: project["other_module"])
assert_not_raises(ModuleNotFound, lambda: project["test_module"])
def test_warns_about_unreliable_implementation_of_util_generator_has_ended(
self):
if not hasattr(generator_has_ended, 'unreliable'):
raise SkipTest
paths = ["edgar.py", "allan.py"]
project = ProjectInDirectory(self.tmpdir).with_points_of_entry(paths)
inspect_project(project)
assert_contains_once(
self._get_log_output(), "WARNING: Pure Python implementation of "
"util.generator_has_ended is not reliable on "
"Python 2.4 and lower. Please compile the _util "
"module or use Python 2.5 or higher.")
def test_doesnt_save_uncomplete_pickle_files(self):
project = ProjectInDirectory(self.tmpdir)
project.save()
original_pickle = read_file_contents(project._get_pickle_path())
# Inject unpickable object into project.
project._injected_attr = UNPICKABLE_OBJECT
try:
project.save()
except PicklingError:
pass
# Make sure that the original file wasn't overwritten.
assert_equal_strings(original_pickle,
read_file_contents(project._get_pickle_path()))
def test_can_be_saved_and_restored_from_file(self):
project = ProjectInDirectory(self.tmpdir).with_modules(
["good_module.py", "bad_module.py"])
project['good_module'].add_objects(
[Class("AClass", [Method("amethod")]),
Function("afunction")])
project['bad_module'].errors = ["Syntax error"]
project.save()
project = Project.from_directory(project.path)
assert_equal(2, len(project.get_modules()))
assert_equal(2, len(project['good_module'].objects))
assert_equal(["AClass"], get_names(project['good_module'].classes))
assert_equal(["amethod"],
get_names(project['good_module'].classes[0].methods))
assert_equal(["afunction"],
get_names(project['good_module'].functions))
assert_equal(["Syntax error"], project['bad_module'].errors)
def test_catches_string_exceptions_raised_by_entry_points(self):
project = ProjectInDirectory(self.tmpdir).with_point_of_entry(
"exc.py", "raise 'bad string'")
inspect_project(project)
if sys.version_info < (2, 6):
assert_contains_once(
self._get_log_output(),
"WARNING: Point of entry exited with error: bad string")
elif sys.version_info > (
2, 6, 4): # Message changed a bit from 2.6.4 to 2.6.5
assert_contains_once(
self._get_log_output(),
"WARNING: Point of entry exited with error: "
"TypeError('exceptions must be old-style classes or derived from BaseException, not str',)"
)
else:
assert_contains_once(
self._get_log_output(),
"WARNING: Point of entry exited with error: "
"TypeError('exceptions must be classes or instances, not str',)"
)
def test_changes_current_directory_to_the_projects_root(self):
project = ProjectInDirectory(self.tmpdir)
poe = PointOfEntryMock(project,
content="import os; assert os.getcwd() == '%s'" % project.path)
assert_not_raises(AssertionError, lambda: inspect_point_of_entry(poe))
def _init_project(self, module_code="", poe_content=""):
self.project = ProjectInDirectory(self.tmpdir)
putfile(self.project.path, "module.py", module_code)
inspect_code(self.project, os.path.join(self.project.path, "module.py"), module_code)
self.poe = PointOfEntryMock(self.project, content=poe_content)
