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message_tests.py
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message_tests.py
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__author__ = 'eandersson'
import logging
import uuid
from datetime import datetime
try:
import unittest2 as unittest
except ImportError:
import unittest
from amqpstorm import Message
from amqpstorm.exception import *
from tests.utility import FakeChannel
logging.basicConfig(level=logging.DEBUG)
class MessageTests(unittest.TestCase):
def test_message_create_new_message(self):
body = b'Hello World'
message = Message.create(None, body,
properties={'key': 'value',
'headers': {
b'name': b'eandersson'}
})
self.assertIsInstance(message, Message)
self.assertEqual(message._body, body)
result = message.to_dict()
self.assertIsNone(result['method'])
self.assertEqual(result['body'], body)
self.assertEqual(result['properties']['key'], 'value')
def test_message_default_properties(self):
body = b'Hello World'
message = Message.create(None, body)
self.assertIsNone(message.app_id)
self.assertIsNone(message.reply_to)
self.assertIsNone(message.content_encoding)
self.assertIsNone(message.content_type)
self.assertIsNone(message.priority)
self.assertIsNone(message.delivery_mode)
self.assertIsInstance(message.message_id, str)
self.assertIsInstance(message.correlation_id, str)
self.assertIsInstance(message.timestamp, datetime)
def test_message_app_id_custom_value(self):
app_id = 'my-app'
message = Message.create(None, '')
message.app_id = app_id
self.assertEqual(app_id, message.app_id)
def test_message_id_custom_value(self):
message_id = 'my-message-1'
message = Message.create(None, '')
message.message_id = message_id
self.assertEqual(message_id, message.properties['message_id'])
self.assertEqual(message_id, message._properties['message_id'])
def test_message_timestamp_custom_value(self):
dt = datetime.now()
message = Message.create(None, '')
message.timestamp = dt
self.assertEqual(dt, message.timestamp)
def test_message_content_encoding_custom_value(self):
content_encoding = 'gzip'
message = Message.create(None, '')
message.content_encoding = content_encoding
self.assertEqual(content_encoding, message.content_encoding)
def test_message_content_type_custom_value(self):
content_type = 'application/json'
message = Message.create(None, '')
message.content_type = content_type
self.assertEqual(content_type, message.content_type)
def test_message_delivery_mode_two(self):
delivery_mode = 2
message = Message.create(None, '')
message.delivery_mode = delivery_mode
self.assertEqual(delivery_mode, message.delivery_mode)
def test_message_priority_three(self):
priority = 3
message = Message.create(None, '')
message.priority = priority
self.assertEqual(priority, message.priority)
def test_message_correlation_id_custom_value(self):
correlation_id = str(uuid.uuid4())
message = Message.create(None, '')
message.correlation_id = correlation_id
self.assertEqual(correlation_id, message.correlation_id)
def test_message_reply_to_custom_value(self):
reply_to = str(uuid.uuid4())
message = Message.create(None, '')
message.reply_to = reply_to
self.assertEqual(reply_to, message.reply_to)
def test_message_do_not_override_properties(self):
reply_to = 'hello_world',
correlation_id = str(uuid.uuid4())
timestamp = datetime.now()
properties = {
'reply_to': reply_to,
'correlation_id': correlation_id,
'timestamp': timestamp
}
message = Message.create(None, '', properties)
self.assertEqual(reply_to, message.reply_to)
self.assertEqual(correlation_id, message.correlation_id)
self.assertEqual(timestamp, message.timestamp)
def test_message_get_channel(self):
class FakeClass(object):
pass
message = Message(body='',
channel=FakeClass())
self.assertIsInstance(message.channel, FakeClass)
def test_message_ack(self):
delivery_tag = 123456
message = Message.create(body='',
channel=FakeChannel())
message._method = {
'delivery_tag': delivery_tag
}
message.ack()
result = message.channel.result.pop(0)
self.assertEqual(result[0], delivery_tag)
self.assertEqual(result[1], False)
def test_message_nack(self):
delivery_tag = 123456
message = Message.create(body='',
channel=FakeChannel())
message._method = {
'delivery_tag': delivery_tag
}
message.nack(requeue=True)
result = message.channel.result.pop(0)
self.assertEqual(result[0], delivery_tag)
self.assertEqual(result[1], False)
self.assertEqual(result[2], True)
message.nack(requeue=False)
result = message.channel.result.pop(0)
self.assertEqual(result[0], delivery_tag)
self.assertEqual(result[1], False)
self.assertEqual(result[2], False)
def test_message_reject(self):
delivery_tag = 123456
message = Message.create(body='',
channel=FakeChannel())
message._method = {
'delivery_tag': delivery_tag
}
message.reject(requeue=True)
result = message.channel.result.pop(0)
self.assertEqual(result[0], delivery_tag)
self.assertEqual(result[1], True)
message.reject(requeue=False)
result = message.channel.result.pop(0)
self.assertEqual(result[0], delivery_tag)
self.assertEqual(result[1], False)
def test_message_ack_raises_on_outbound(self):
message = Message.create(body='',
channel=None)
self.assertRaises(AMQPMessageError, message.ack)
def test_message_nack_raises_on_outbound(self):
message = Message.create(body='',
channel=None)
self.assertRaises(AMQPMessageError, message.nack)
def test_message_reject_raises_on_outbound(self):
message = Message.create(body='',
channel=None)
self.assertRaises(AMQPMessageError, message.reject)
def test_message_auto_decode_enabled(self):
body = 'Hello World',
message = Message(body=body,
properties={'key': 'value',
'headers': {b'name': b'eandersson'}},
channel=None)
self.assertEqual(body, message.body)
self.assertIn('name', message.properties['headers'])
self.assertIn(b'name', message._properties['headers'])
self.assertIsInstance(message.properties['headers']['name'], str)
def test_message_auto_decode_cache(self):
body = 'Hello World',
message = Message(body=body,
channel=None)
self.assertEqual(body, message.body)
message._body = 'invalidate'
self.assertEqual(body, message.body)
def test_message_auto_decode_when_method_is_none(self):
message = Message(body='Hello World',
method=None,
channel=None)
self.assertIsNone(message.method)
def test_message_auto_decode_when_method_contains_list(self):
method_data = {'key': [b'a', b'b']}
message = Message(body='Hello World',
method=method_data,
channel=None)
self.assertEqual(method_data['key'][0].decode('utf-8'),
message.method['key'][0])
def test_message_auto_decode_when_method_is_tuple(self):
method_data = (1, 2, 3, 4, 5)
message = Message(body='Hello World',
method=method_data,
channel=None)
self.assertEqual(method_data, message.method)
self.assertEqual(method_data[0], message.method[0])
self.assertEqual(method_data[4], message.method[4])
def test_message_auto_decode_when_properties_contains_list(self):
prop_data = [b'travis', 2, 3, 4, 5]
message = Message(body='Hello World',
properties={'key': prop_data},
channel=None)
self.assertIsInstance(message.properties['key'], list)
self.assertEqual(prop_data[0].decode('utf-8'),
message.properties['key'][0])
self.assertEqual(prop_data[4], message.properties['key'][4])
def test_message_auto_decode_when_properties_contains_tuple(self):
prop_data = (b'travis', 2, 3, 4, 5)
message = Message(body='Hello World',
properties={'key': prop_data},
channel=None)
self.assertIsInstance(message.properties['key'], tuple)
self.assertEqual(prop_data[0].decode('utf-8'),
message.properties['key'][0])
self.assertEqual(prop_data[4], message.properties['key'][4])
def test_message_auto_decode_when_properties_contains_dict(self):
prop_data = {
'hello': b'travis'
}
message = Message(body='Hello World',
properties={'key': prop_data},
channel=None)
self.assertIsInstance(message.properties['key'], dict)
self.assertEqual(prop_data['hello'].decode('utf-8'),
message.properties['key']['hello'])
def test_message_auto_decode_disabled(self):
body = 'Hello World'
message = Message(body=body,
properties={'key': 'value',
'headers': {b'name': b'eandersson'}},
channel=None,
auto_decode=False)
self.assertEqual(body, message.body)
self.assertIn(b'name', message.properties['headers'])
self.assertIsInstance(message.properties['headers'][b'name'], bytes)
def test_message_update_property_with_decode(self):
message = Message(None, auto_decode=True)
message._update_properties('app_id', '123')
self.assertEqual(message.properties['app_id'], '123')
self.assertEqual(message._properties['app_id'], '123')
def test_message_update_property_without_decode(self):
message = Message.create(None, '', None)
message._auto_decode = False
message._update_properties('app_id', '123')
self.assertEqual(message.properties['app_id'], '123')
self.assertEqual(message._properties['app_id'], '123')
def test_message_json(self):
body = '{"key": "value"}'
message = Message(body=body, channel=None)
result = message.json()
self.assertIsInstance(result, dict)
self.assertEqual(result['key'], 'value')
def test_message_dict(self):
body = b'Hello World'
properties = {'key': 'value'}
method = {b'alternative': 'value'}
message = Message(body=body,
properties=properties,
method=method,
channel=None)
result = dict(message)
self.assertIsInstance(result, dict)
self.assertEqual(result['body'], body)
self.assertEqual(result['properties'], properties)
self.assertEqual(result['method'], method)
def test_message_to_dict(self):
body = b'Hello World'
properties = {'key': 'value'}
method = {b'alternative': 'value'}
message = Message(body=body,
properties=properties,
method=method,
channel=None)
result = message.to_dict()
self.assertIsInstance(result, dict)
self.assertEqual(result['body'], body)
self.assertEqual(result['properties'], properties)
self.assertEqual(result['method'], method)
def test_message_to_tuple(self):
body = b'Hello World'
message = Message(body=body,
properties={'key': 'value'},
method={'key': 'value'},
channel=None)
body, channel, method, properties = message.to_tuple()
self.assertEqual(body, body)
self.assertIsInstance(method, dict)
self.assertIsInstance(properties, dict)
self.assertIsNone(channel)