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"""Tests of miscellaneous stuff."""
import sys
from coverage.misc import Hasher, file_be_gone
from coverage import __version__, __url__
from tests.coveragetest import CoverageTest
class HasherTest(CoverageTest):
"""Test our wrapper of md5 hashing."""
run_in_temp_dir = False
def test_string_hashing(self):
h1 = Hasher()
h1.update("Hello, world!")
h2 = Hasher()
h2.update("Goodbye!")
h3 = Hasher()
h3.update("Hello, world!")
self.assertNotEqual(h1.hexdigest(), h2.hexdigest())
self.assertEqual(h1.hexdigest(), h3.hexdigest())
def test_bytes_hashing(self):
h1 = Hasher()
h1.update(b"Hello, world!")
h2 = Hasher()
h2.update(b"Goodbye!")
self.assertNotEqual(h1.hexdigest(), h2.hexdigest())
def test_dict_hashing(self):
h1 = Hasher()
h1.update({'a': 17, 'b': 23})
h2 = Hasher()
h2.update({'b': 23, 'a': 17})
self.assertEqual(h1.hexdigest(), h2.hexdigest())
class RemoveFileTest(CoverageTest):
"""Tests of misc.file_be_gone."""
def test_remove_nonexistent_file(self):
# It's OK to try to remove a file that doesn't exist.
file_be_gone("not_here.txt")
def test_remove_actual_file(self):
# It really does remove a file that does exist.
self.make_file("here.txt", "We are here, we are here, we are here!")
file_be_gone("here.txt")
self.assert_doesnt_exist("here.txt")
def test_actual_errors(self):
# Errors can still happen.
# ". is a directory" on Unix, or "Access denied" on Windows
with self.assertRaises(OSError):
file_be_gone(".")
class SetupPyTest(CoverageTest):
"""Tests of setup.py"""
run_in_temp_dir = False
def test_metadata(self):
status, output = self.run_command_status(
"python setup.py --description --version --url --author"
)
self.assertEqual(status, 0)
out = output.splitlines()
self.assertIn("measurement", out[0])
self.assertEqual(out[1], __version__)
self.assertEqual(out[2], __url__)
self.assertIn("Ned Batchelder", out[3])
def test_more_metadata(self):
# Let's be sure we pick up our own setup.py
# CoverageTest restores the original sys.path for us.
sys.path.insert(0, '')
from setup import setup_args
classifiers = setup_args['classifiers']
self.assertGreater(len(classifiers), 7)
self.assert_starts_with(classifiers[-1], "Development Status ::")
long_description = setup_args['long_description'].splitlines()
self.assertGreater(len(long_description), 7)
self.assertNotEqual(long_description[0].strip(), "")
self.assertNotEqual(long_description[-1].strip(), "")
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