class TestCredentials(unittest.TestCase):
"""
Tests that Twitter credentials information from file is handled correctly.
"""
def setUp(self):
self.subdir = os.path.join(os.path.dirname(__file__), 'files')
self.auth = Authenticate()
os.environ['TWITTER'] = 'twitter-files'
def test_environment(self):
"""
Test that environment variable has been read correctly.
"""
fn = os.path.basename(self.auth.creds_subdir)
self.assertEqual(fn, os.environ['TWITTER'])
def test_empty_subdir1(self):
"""
Setting subdir to empty path should raise an error.
"""
try:
self.auth.load_creds(subdir='')
# raises ValueError (zero length field name in format) for python 2.6
# OSError for the rest
except OSError:
pass
except ValueError:
pass
except Exception as e:
self.fail('Unexpected exception thrown: %s' % e)
else:
self.fail('OSError exception not thrown.')
def test_empty_subdir2(self):
"""
Setting subdir to `None` should raise an error.
"""
self.auth.creds_subdir = None
try:
self.auth.load_creds()
except ValueError:
pass
except Exception as e:
self.fail('Unexpected exception thrown: %s' % e)
else:
self.fail('ValueError exception not thrown.')
def test_missingdir(self):
"""
Setting subdir to nonexistent directory should raise an error.
"""
try:
self.auth.load_creds(subdir='/nosuchdir')
# raises ValueError (zero length field name in format) for python 2.6
# OSError for the rest
except OSError:
pass
except ValueError:
pass
except Exception as e:
self.fail('Unexpected exception thrown: %s' % e)
else:
self.fail('OSError exception not thrown.')
def test_missingfile1(self):
"""
Defaults for authentication will fail since 'credentials.txt' not
present in default subdir, as read from `os.environ['TWITTER']`.
"""
try:
self.auth.load_creds()
# raises ValueError (zero length field name in format) for python 2.6
# OSError for the rest
except OSError:
pass
except ValueError:
pass
except Exception as e:
self.fail('Unexpected exception thrown: %s' % e)
else:
self.fail('OSError exception not thrown.')
def test_missingfile2(self):
"""
Credentials file 'foobar' cannot be found in default subdir.
"""
try:
self.auth.load_creds(creds_file='foobar')
# raises ValueError (zero length field name in format) for python 2.6
# OSError for the rest
except OSError:
pass
except ValueError:
pass
except Exception as e:
self.fail('Unexpected exception thrown: %s' % e)
else:
self.fail('OSError exception not thrown.')
def test_incomplete_file(self):
"""
Credentials file 'bad_oauth1-1.txt' is incomplete
"""
try:
self.auth.load_creds(creds_file='bad_oauth1-1.txt', subdir=self.subdir)
except ValueError:
pass
except Exception as e:
self.fail('Unexpected exception thrown: %s' % e)
else:
self.fail('ValueError exception not thrown.')
def test_malformed_file1(self):
"""
First key in credentials file 'bad_oauth1-2.txt' is ill-formed
"""
try:
self.auth.load_creds(creds_file='bad_oauth1-2.txt', subdir=self.subdir)
except ValueError:
pass
except Exception as e:
self.fail('Unexpected exception thrown: %s' % e)
else:
self.fail('ValueError exception not thrown.')
def test_malformed_file2(self):
"""
First key in credentials file 'bad_oauth1-2.txt' is ill-formed
"""
try:
self.auth.load_creds(creds_file='bad_oauth1-3.txt', subdir=self.subdir)
except ValueError:
pass
except Exception as e:
self.fail('Unexpected exception thrown: %s' % e)
else:
self.fail('ValueError exception not thrown.')
def test_correct_path(self):
"""
Path to default credentials file is well-formed, given specified
subdir.
"""
self.auth.load_creds(subdir=self.subdir)
self.auth.creds_fullpath = os.path.join(self.subdir, self.auth.creds_file)
def test_correct_file1(self):
"""
Default credentials file is identified
"""
self.auth.load_creds(subdir=self.subdir)
self.assertEqual(self.auth.creds_file, 'credentials.txt')
def test_correct_file2(self):
"""
Default credentials file has been read correctluy
"""
oauth = self.auth.load_creds(subdir=self.subdir)
self.assertEqual(oauth['app_key'], 'a')
def setUp(self):
self.subdir = os.path.join(os.path.dirname(__file__), 'files')
self.auth = Authenticate()
os.environ['TWITTER'] = 'twitter-files'
def auth():
return Authenticate()