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test_datatable.py
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test_datatable.py
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import json
import re
import unittest
import httpretty
import six
from mock import call, mock_open, patch
from six.moves.urllib.parse import urlparse
from quandl.api_config import ApiConfig
from quandl.errors.quandl_error import (InternalServerError, QuandlError)
from quandl.model.datatable import Datatable
from test.factories.datatable import DatatableFactory
from test.test_retries import ModifyRetrySettingsTestCase
from quandl.utils.request_type_util import RequestType
from parameterized import parameterized
class GetDatatableDatasetTest(ModifyRetrySettingsTestCase):
@classmethod
def setUpClass(cls):
httpretty.enable()
datatable = {'datatable': DatatableFactory.build(
vendor_code='ZACKS', datatable_code='FC')}
httpretty.register_uri(httpretty.GET,
re.compile(
'https://data.nasdaq.com/api/v3/datatables/*'),
body=json.dumps(datatable))
cls.datatable_instance = Datatable(datatable['datatable'])
@classmethod
def tearDownClass(cls):
httpretty.disable()
httpretty.reset()
def tearDown(self):
RequestType.USE_GET_REQUEST = True
@patch('quandl.connection.Connection.request')
def test_datatable_metadata_calls_connection(self, mock):
Datatable('ZACKS/FC').data_fields()
expected = call('get', 'datatables/ZACKS/FC/metadata', params={})
self.assertEqual(mock.call_args, expected)
@patch('quandl.connection.Connection.request')
def test_datatable_data_calls_connection_with_no_params_for_get_request(self, mock):
Datatable('ZACKS/FC').data()
expected = call('get', 'datatables/ZACKS/FC', params={})
self.assertEqual(mock.call_args, expected)
@patch('quandl.connection.Connection.request')
def test_datatable_data_calls_connection_with_no_params_for_post_request(self, mock):
RequestType.USE_GET_REQUEST = False
Datatable('ZACKS/FC').data()
expected = call('post', 'datatables/ZACKS/FC', json={})
self.assertEqual(mock.call_args, expected)
@patch('quandl.connection.Connection.request')
def test_datatable_calls_connection_with_params_for_get_request(self, mock):
params = {'ticker': ['AAPL', 'MSFT'],
'per_end_date': {'gte': '2015-01-01'},
'qopts': {'columns': ['ticker', 'per_end_date']},
'foo': 'bar',
'baz': 4
}
expected_params = {'ticker[]': ['AAPL', 'MSFT'],
'per_end_date.gte': '2015-01-01',
'qopts.columns[]': ['ticker', 'per_end_date'],
'foo': 'bar',
'baz': 4
}
Datatable('ZACKS/FC').data(params=params)
expected = call('get', 'datatables/ZACKS/FC', params=expected_params)
self.assertEqual(mock.call_args, expected)
@patch('quandl.connection.Connection.request')
def test_datatable_calls_connection_with_params_for_post_request(self, mock):
RequestType.USE_GET_REQUEST = False
params = {'ticker': ['AAPL', 'MSFT'],
'per_end_date': {'gte': '2015-01-01'},
'qopts': {'columns': ['ticker', 'per_end_date']},
'foo': 'bar',
'baz': 4
}
expected_params = {'ticker': ['AAPL', 'MSFT'],
'per_end_date.gte': '2015-01-01',
'qopts.columns': ['ticker', 'per_end_date'],
'foo': 'bar',
'baz': 4
}
Datatable('ZACKS/FC').data(params=params)
expected = call('post', 'datatables/ZACKS/FC', json=expected_params)
self.assertEqual(mock.call_args, expected)
def test_datatable_returns_datatable_object(self):
datatable = Datatable('ZACKS/FC')
self.assertIsInstance(datatable, Datatable)
self.assertEqual(datatable.vendor_code, 'ZACKS')
self.assertEqual(datatable.datatable_code, 'FC')
def test_dataset_column_names_match_expected(self):
metadata = Datatable('ZACKS/FC').data_fields()
six.assertCountEqual(self,
metadata, [u'datatable_code', u'id', u'name', u'vendor_code'])
class ExportDataTableTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
httpretty.enable()
datatable = {'datatable': DatatableFactory.build(
vendor_code='AUSBS', datatable_code='D')}
httpretty.register_uri(httpretty.GET,
re.compile(
'https://data.nasdaq.com/api/v3/datatables/*'),
body=json.dumps(datatable))
httpretty.register_uri(httpretty.POST,
re.compile(
'https://data.nasdaq.com/api/v3/datatables/*'),
body=json.dumps(datatable))
cls.datatable_instance = Datatable(datatable['datatable'])
@classmethod
def tearDownClass(cls):
httpretty.disable()
httpretty.reset()
def setUp(self):
datatable = {'datatable': DatatableFactory.build(
vendor_code='AUSBS', datatable_code='D')}
self.datatable = Datatable(datatable['datatable']['vendor_code'] + '/' +
datatable['datatable']['datatable_code'], datatable['datatable'])
ApiConfig.api_key = 'api_token'
ApiConfig.api_version = '2015-04-09'
def tearDown(self):
RequestType.USE_GET_REQUEST = True
def test_download_get_file_info(self):
url = self.datatable._download_request_path()
parsed_url = urlparse(url)
self.assertEqual(parsed_url.path, 'datatables/AUSBS/D.json')
@parameterized.expand(['GET', 'POST'])
def test_download_generated_file(self, request_method):
m = mock_open()
httpretty.register_uri(getattr(httpretty, request_method),
re.compile(
'https://data.nasdaq.com/api/v3/datatables/*'),
body=json.dumps({
'datatable_bulk_download': {
'file': {
'status': 'fresh',
'link': 'https://www.blah.com/download/db.zip'
}
}
}),
status=200)
with patch('quandl.model.datatable.urlopen', m, create=True):
self.datatable.download_file('.', params={})
self.assertEqual(m.call_count, 1)
@parameterized.expand(['GET', 'POST'])
def test_bulk_download_raises_exception_when_no_path(self, request_method):
if request_method == 'POST':
RequestType.USE_GET_REQUEST = False
self.assertRaises(
QuandlError, lambda: self.datatable.download_file(None, params={}))
@parameterized.expand(['GET', 'POST'])
def test_bulk_download_table_raises_exception_when_error_response(self, request_method):
if request_method == 'POST':
RequestType.USE_GET_REQUEST = False
httpretty.reset()
ApiConfig.number_of_retries = 2
error_responses = [httpretty.Response(
body=json.dumps({'quandl_error': {'code': 'QEMx01',
'message': 'something went wrong'}}),
status=500)]
httpretty.register_uri(getattr(httpretty, request_method),
re.compile(
'https://data.nasdaq.com/api/v3/datatables/*'),
responses=error_responses)
self.assertRaises(
InternalServerError, lambda: self.datatable.download_file('.', params={}))