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import inspect
from io import StringIO
import os
import tempfile
import unittest
from unittest import mock
from tap.loader import Loader
from tap.tests import TestCase
class TestLoader(TestCase):
"""Tests for tap.loader.Loader"""
def test_handles_file(self):
"""The loader handles a file."""
sample = inspect.cleandoc(
"""TAP version 13
1..2
# This is a diagnostic.
ok 1 A passing test
not ok 2 A failing test
This is an unknown line.
Bail out! This test would abort.
"""
)
temp = tempfile.NamedTemporaryFile(delete=False)
temp.write(sample.encode("utf-8"))
temp.close()
loader = Loader()
suite = loader.load_suite_from_file(temp.name)
# The bail line counts as a failed test.
self.assertEqual(3, len(suite._tests))
def test_file_does_not_exist(self):
"""The loader records a failure when a file does not exist."""
loader = Loader()
suite = loader.load_suite_from_file("phony.tap")
self.assertEqual(1, len(suite._tests))
self.assertEqual(
"{filename} does not exist.".format(filename="phony.tap"),
suite._tests[0]._line.description,
)
def test_handles_directory(self):
directory = tempfile.mkdtemp()
sub_directory = os.path.join(directory, "sub")
os.mkdir(sub_directory)
with open(os.path.join(directory, "a_file.tap"), "w") as f:
f.write("ok A passing test")
with open(os.path.join(sub_directory, "another_file.tap"), "w") as f:
f.write("not ok A failing test")
loader = Loader()
suite = loader.load([directory])
self.assertEqual(2, len(suite._tests))
def test_errors_with_multiple_version_lines(self):
sample = inspect.cleandoc(
"""TAP version 13
TAP version 13
1..0
"""
)
temp = tempfile.NamedTemporaryFile(delete=False)
temp.write(sample.encode("utf-8"))
temp.close()
loader = Loader()
suite = loader.load_suite_from_file(temp.name)
self.assertEqual(1, len(suite._tests))
self.assertEqual(
"Multiple version lines appeared.", suite._tests[0]._line.description
)
def test_errors_with_version_not_on_first_line(self):
sample = inspect.cleandoc(
"""# Something that doesn't belong.
TAP version 13
1..0
"""
)
temp = tempfile.NamedTemporaryFile(delete=False)
temp.write(sample.encode("utf-8"))
temp.close()
loader = Loader()
suite = loader.load_suite_from_file(temp.name)
self.assertEqual(1, len(suite._tests))
self.assertEqual(
"The version must be on the first line.",
suite._tests[0]._line.description,
)
def test_skip_plan_aborts_loading(self):
sample = inspect.cleandoc(
"""1..0 # Skipping this test file.
ok This should not get processed.
"""
)
temp = tempfile.NamedTemporaryFile(delete=False)
temp.write(sample.encode("utf-8"))
temp.close()
loader = Loader()
suite = loader.load_suite_from_file(temp.name)
self.assertEqual(1, len(suite._tests))
self.assertEqual("Skipping this test file.", suite._tests[0]._line.description)
@mock.patch("tap.parser.sys.stdin", StringIO(u""))
def test_loads_from_stream(self):
loader = Loader()
suite = loader.load_suite_from_stdin()
self.assertTrue(isinstance(suite, unittest.TestSuite))