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# -*- coding: utf-8 -*-
import unittest
from mock import patch, MagicMock
from requests.exceptions import HTTPError, Timeout
from requests.models import Response
from azure_translator import Translator, errors
class TranslatorTestCase(unittest.TestCase):
translator = Translator('some-api-key')
def test_init(self):
self.assertEqual(self.translator.api_key, 'some-api-key')
@patch('requests.post')
def test_get_access_token(self, request_post):
resp = request_post.return_value
token = self.translator.get_access_token()
self.assertEqual(token, resp.content)
request_post.assert_called_with(
self.translator.TOKEN_API,
headers={
'Content-Type': 'application/json',
'Accept': 'application/jwt',
'Ocp-Apim-Subscription-Key': 'some-api-key',
},
timeout=Translator.HTTP_TIMEOUT
)
@patch('requests.post')
def test_get_access_token_error(self, request_post):
resp = request_post.return_value
resp.raise_for_status.side_effect = HTTPError(
'boom', response=MagicMock(content="OUPS"), request='req'
)
with self.assertRaises(errors.AzureCannotGetTokenError):
self.translator.get_access_token()
request_post.assert_called_with(
self.translator.TOKEN_API,
headers={
'Content-Type': 'application/json',
'Accept': 'application/jwt',
'Ocp-Apim-Subscription-Key': 'some-api-key',
},
timeout=Translator.HTTP_TIMEOUT
)
@patch('requests.post', side_effect=Timeout)
def test_get_access_token_timeout(self, request_post):
with self.assertRaises(errors.AzureApiTimeoutError):
self.translator.get_access_token()
request_post.assert_called_with(
self.translator.TOKEN_API,
headers={
'Content-Type': 'application/json',
'Accept': 'application/jwt',
'Ocp-Apim-Subscription-Key': 'some-api-key',
},
timeout=Translator.HTTP_TIMEOUT
)
@patch.object(Translator, 'get_access_token', return_value=b'super-token')
@patch('requests.Response.json', return_value=[{"translations": [{"text": "I am tired"}]}])
@patch('requests.post')
def test_translate(self, request_post, response_json, get_access_token):
request_post.return_value = MagicMock(json=response_json)
self.assertEqual(self.translator.translate(text='Je suis fatigué'), 'I am tired')
request_post.assert_called_with(
self.translator.TRANSLATE_API,
headers={
'Authorization': 'Bearer super-token',
'Accept': 'application/json',
'Content-type': 'application/json',
},
timeout=Translator.HTTP_TIMEOUT,
params={
'to': self.translator.DEFAULT_LANGUAGE,
},
json=[{'text': 'Je suis fatigué'}]
)
get_access_token.assert_called_with()
@patch.object(Translator, 'get_access_token', return_value=b'super-token')
@patch('requests.Response.json', return_value=[{"translations": [{"text": "Je suis"}]}])
@patch('requests.post')
def test_translate_custom_language(self, request_post, response_json, get_access_token):
request_post.return_value = MagicMock(json=response_json)
self.assertEqual(self.translator.translate(text='I am', to='fr'), 'Je suis')
request_post.assert_called_with(
self.translator.TRANSLATE_API,
headers={
'Authorization': 'Bearer super-token',
'Accept': 'application/json',
'Content-type': 'application/json',
},
timeout=Translator.HTTP_TIMEOUT,
params={
'to': 'fr',
},
json=[{'text': 'I am'}],
)
get_access_token.assert_called_with()
@patch.object(Translator, 'get_access_token', return_value=b'super-token')
@patch('requests.Response.json', return_value=[{"translations": [{"text": "fatigué"}]}])
@patch('requests.post')
def test_translate_response_encoding(self, request_post, response_json, get_access_token):
request_post.return_value = MagicMock(json=response_json)
self.assertEqual(self.translator.translate(text='tired', to='fr'), 'fatigué')
request_post.assert_called_with(
self.translator.TRANSLATE_API,
headers={
'Authorization': 'Bearer super-token',
'Accept': 'application/json',
'Content-type': 'application/json',
},
timeout=Translator.HTTP_TIMEOUT,
params={
'to': 'fr',
},
json=[{'text': 'tired'}],
)
get_access_token.assert_called_with()
@patch.object(Translator, 'get_access_token', return_value=b'super-token')
@patch('requests.Response.json', return_value=[{"translations": [{"text": "I am tired"}]}])
@patch('requests.post')
def test_translate_source_lang(self, request_post, response_json, get_access_token):
request_post.return_value = MagicMock(json=response_json)
self.assertEqual(self.translator.translate(text='Je suis fatigué', source_language='fr'), 'I am tired')
request_post.assert_called_with(
self.translator.TRANSLATE_API,
headers={
'Authorization': 'Bearer super-token',
'Accept': 'application/json',
'Content-type': 'application/json',
},
json=[{'text': 'Je suis fatigué'}],
timeout=Translator.HTTP_TIMEOUT,
params={
'to': self.translator.DEFAULT_LANGUAGE,
'from': 'fr',
}
)
get_access_token.assert_called_with()
@patch.object(Translator, 'get_access_token', return_value=b'super-token')
@patch('requests.post', return_value=MagicMock(return_value=[{"translations": [{"text": "I am tired"}]}]))
def test_translate_API_error(self, request_post, get_access_token):
resp = request_post.return_value
resp.raise_for_status.side_effect = HTTPError(
'boom', response=MagicMock(content="OUPS"), request='req'
)
with self.assertRaises(errors.AzureApiError):
self.translator.translate(text='Je suis fatigué')
request_post.assert_called_with(
self.translator.TRANSLATE_API,
headers={
'Authorization': 'Bearer super-token',
'Accept': 'application/json',
'Content-type': 'application/json',
},
timeout=Translator.HTTP_TIMEOUT,
params={
'to': self.translator.DEFAULT_LANGUAGE,
},
json=[{'text': 'Je suis fatigué'}]
)
get_access_token.assert_called_with()
@patch.object(Translator, 'get_access_token', return_value=b'super-token')
@patch('requests.Response.json', return_value='OUPS')
@patch('requests.post')
def test_translate_not_a_json(self, request_post, response_json, get_access_token):
request_post.return_value = MagicMock(raise_for_status=MagicMock(return_value='200'), json=response_json)
with self.assertRaises(errors.AzureApiBadFormatError):
self.translator.translate(text='Je suis fatigué')
request_post.assert_called_with(
self.translator.TRANSLATE_API,
headers={
'Authorization': 'Bearer super-token',
'Accept': 'application/json',
'Content-type': 'application/json',
},
timeout=Translator.HTTP_TIMEOUT,
params={
'to': self.translator.DEFAULT_LANGUAGE,
},
json=[{'text': 'Je suis fatigué'}]
)
get_access_token.assert_called_with()
@patch.object(Translator, 'get_access_token', return_value=b'super-token')
@patch('requests.post', side_effect=Timeout)
def test_translate_timeout_error(self, request_post, get_access_token):
resp = request_post.return_value
resp.raise_for_status.side_effect = HTTPError(
'boom', response=MagicMock(content="OUPS"), request='req'
)
with self.assertRaises(errors.AzureApiTimeoutError):
self.translator.translate(text='Je suis fatigué')
request_post.assert_called_with(
self.translator.TRANSLATE_API,
headers={
'Content-type' : 'application/json',
'Authorization': 'Bearer super-token',
'Accept': 'application/json',
},
timeout=Translator.HTTP_TIMEOUT,
params={
'to': self.translator.DEFAULT_LANGUAGE,
},
json=[{'text': 'Je suis fatigué'}]
)
get_access_token.assert_called_with()
class ErrorsTestCase(unittest.TestCase):
def test_BaseAzureException_init(self):
exc = errors.BaseAzureException("youpi")
self.assertIsNone(exc.response)
self.assertIsNone(exc.request)
self.assertEqual(str(exc), 'youpi')
def test_BaseAzureException_init_with_response_and_request(self):
exc = errors.BaseAzureException("youpi", response="resp", request="req")
self.assertEqual(exc.response, "resp")
self.assertEqual(exc.request, "req")
self.assertEqual(str(exc), 'youpi')
def test_AzureApiError_init(self):
exc = errors.AzureApiError("oups")
self.assertIsNone(exc.response)
self.assertIsNone(exc.request)
self.assertEqual(str(exc), 'oups')
def test_AzureApiError_init_parsing_response(self):
resp = Response()
resp.status_code = 400
resp._content = (
"Argument Exception; Method: Translate(); "
"Parameter: from; "
"Message: 'from' must be a valid language; Parameter name: from; "
"message id=0243.V2_Rest.Translate.49CC880B"
)
exc = errors.AzureApiError("oups", response=resp)
self.assertIsNotNone(exc.response)
self.assertEqual(
str(exc),
"HTTP status: 400; "
"Argument Exception; Method: Translate(); "
"Parameter: from; "
"Message: 'from' must be a valid language; Parameter name: from; "
"message id=0243.V2_Rest.Translate.49CC880B"
)
def test_AzureApiError_init_parsing_response_error(self):
resp = Response()
resp.status_code = 400
resp._content = "eazoieoiazbeoazgeoaziub"
exc = errors.AzureApiError("stuff", response=resp)
self.assertNotEqual(str(exc), "stuff")