debian-koji/tests/test_cli/test_download_file.py
2017-10-16 10:03:42 -04:00

150 lines
5.4 KiB
Python

from __future__ import absolute_import
import mock
import six
import shutil
import tempfile
import unittest
from koji_cli.lib import download_file, _download_progress
def mock_open():
"""Return the right patch decorator for open"""
if six.PY2:
return mock.patch('__builtin__.open')
else:
return mock.patch('builtins.open')
class TestDownloadFile(unittest.TestCase):
# Show long diffs in error output...
maxDiff = None
def reset_mock(self):
self.stdout.seek(0)
self.stdout.truncate()
self.stderr.seek(0)
self.stderr.truncate()
self.requests_get.reset_mock()
def setUp(self):
self.tempdir = tempfile.mkdtemp()
self.filename = self.tempdir + "/filename"
self.stdout = mock.patch('sys.stdout', new_callable=six.StringIO).start()
self.stderr = mock.patch('sys.stderr', new_callable=six.StringIO).start()
self.requests_get = mock.patch('requests.get', create=True, name='requests.get').start()
# will work when contextlib.closing will be removed in future
#self.requests_get = self.requests_get.return_value.__enter__
def tearDown(self):
mock.patch.stopall()
shutil.rmtree(self.tempdir)
def test_handle_download_file_dir(self):
with self.assertRaises(IOError) as cm:
download_file("http://url", self.tempdir)
actual = self.stdout.getvalue()
expected = 'Downloading: %s\n' % self.tempdir
self.assertMultiLineEqual(actual, expected)
self.assertEqual(cm.exception.args, (21, 'Is a directory'))
self.requests_get.assert_called_once()
@mock_open()
def test_handle_download_file(self, m_open):
self.reset_mock()
response = mock.MagicMock()
self.requests_get.return_value = response
response.headers.get.return_value = '5' # content-length
response.iter_content.return_value = ['abcde']
rv = download_file("http://url", self.filename)
actual = self.stdout.getvalue()
expected = 'Downloading: %s\n[====================================] 100%% 5.00 B\r\n' % self.filename
self.assertMultiLineEqual(actual, expected)
self.requests_get.assert_called_once()
m_open.assert_called_once()
response.headers.get.assert_called_once()
response.iter_content.assert_called_once()
self.assertIsNone(rv)
@mock_open()
def test_handle_download_file_undefined_length(self, m_open):
self.reset_mock()
response = mock.MagicMock()
self.requests_get.return_value = response
response.headers.get.return_value = None # content-length
response.content = 'abcdef'
rv = download_file("http://url", self.filename)
actual = self.stdout.getvalue()
expected = 'Downloading: %s\n[====================================] 100%% 6.00 B\r\n' % self.filename
self.assertMultiLineEqual(actual, expected)
self.requests_get.assert_called_once()
m_open.assert_called_once()
response.headers.get.assert_called_once()
response.iter_content.assert_not_called()
self.assertIsNone(rv)
def test_handle_download_file_with_size(self):
rv = download_file("http://url", self.filename, size=10, num=8)
actual = self.stdout.getvalue()
expected = 'Downloading [8/10]: %s\n\n' % self.filename
self.assertMultiLineEqual(actual, expected)
self.requests_get.assert_called_once()
self.assertIsNone(rv)
def test_handle_download_file_quiet_noprogress(self):
download_file("http://url", self.filename, quiet=True, noprogress=False)
actual = self.stdout.getvalue()
expected = ''
self.assertMultiLineEqual(actual, expected)
self.reset_mock()
download_file("http://url", self.filename, quiet=True, noprogress=True)
actual = self.stdout.getvalue()
expected = ''
self.assertMultiLineEqual(actual, expected)
self.reset_mock()
download_file("http://url", self.filename, quiet=False, noprogress=True)
actual = self.stdout.getvalue()
expected = 'Downloading: %s\n' % self.filename
self.assertMultiLineEqual(actual, expected)
'''
possible tests
- handling redirect headers
- http vs https
'''
class TestDownloadProgress(unittest.TestCase):
# Show long diffs in error output...
maxDiff = None
def setUp(self):
self.stdout = mock.patch('sys.stdout', new_callable=six.StringIO).start()
def tearDown(self):
mock.patch.stopall()
def test_download_progress(self):
_download_progress(0, 0)
_download_progress(1024 * 92, 1024)
_download_progress(1024 * 1024 * 23, 1024 * 1024 * 11)
_download_progress(1024 * 1024 * 1024 * 35, 1024 * 1024 * 1024 * 30)
_download_progress(318921, 318921)
actual = self.stdout.getvalue()
expected = '[ ] 0% 0.00 B\r' + \
'[ ] 1% 1.00 KiB\r' + \
'[================= ] 47% 11.00 MiB\r' + \
'[============================== ] 85% 30.00 GiB\r' + \
'[====================================] 100% 311.45 KiB\r'
self.assertMultiLineEqual(actual, expected)
if __name__ == '__main__':
unittest.main()