def testReturnsTrueIfHeaderIsNone(self):
'APIGateway.wasModifiedSince() should return True if the If-Modified-Since header is None'
event = {}
entity = {'lastModified': datetime.datetime.now()}
sut = APIGateway(mockLoggerFactory, event)
wasModifiedSince = sut.wasModifiedSince(entity)
self.assertTrue(wasModifiedSince)
def testReturnsFalseIfEqual(self):
'''
APIGateway.wasModifiedSince() should return False if the If-Modified-Since header's timestamp is equal to
entity.lastModified's timestamp truncated to the second
'''
entity = {'lastModified': datetime.datetime.now()}
event = {'headers': {'If-Modified-Since': formatDateRFC2822(entity['lastModified'])}}
sut = APIGateway(mockLoggerFactory, event)
wasModifiedSince = sut.wasModifiedSince(entity)
self.assertFalse(wasModifiedSince)
def testRaises(self):
'APIGateway.wasModifiedSince() should raise if the If-Modified-Since header is not a valid RFC 2822 date'
event = {'headers': {'If-Modified-Since': 'hello'}}
entity = {'lastModified': datetime.datetime.now()}
sut = APIGateway(mockLoggerFactory, event)
with self.assertRaises(HttpError) as cm:
wasModifiedSince = sut.wasModifiedSince(entity)
self.assertEqual(cm.exception.statusCode, 400)
self.assertEqual(cm.exception.message, 'Invalid If-Modified-Since header: "hello"')
self.assertEqual(cm.exception.causes, ['ValueError(\'Unknown string format\',)'])
def testReturnsTrueIfLess(self):
'''
APIGateway.wasModifiedSince() should return True if the If-Modified-Since header's timestamp is less than
entity.lastModified's timestamp truncated to the second
'''
entity = {'lastModified': datetime.datetime.now()}
event = {
'headers': {
'If-Modified-Since': formatDateRFC2822(entity['lastModified'] - datetime.timedelta(hours=1))
}
}
sut = APIGateway(mockLoggerFactory, event)
wasModifiedSince = sut.wasModifiedSince(entity)
self.assertTrue(wasModifiedSince)