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72 lines
3.0 KiB
Python
72 lines
3.0 KiB
Python
#!/usr/bin/env python
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"""Unit tests for pandas functionality in tiingo"""
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import vcr
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from unittest import TestCase
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from tiingo import TiingoClient
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from tiingo.api import APIColumnNameError, InstallPandasException
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try:
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import pandas as pd
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pandas_is_installed = True
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except ImportError:
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pandas_is_installed = False
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class TestTiingoWithPython(TestCase):
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def setUp(self):
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if pandas_is_installed:
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self._client = TiingoClient()
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else:
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self.skipTest("test_tiingo_pandas: Pandas not installed.")
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@vcr.use_cassette('tests/fixtures/ticker_price_pandas_weekly.yaml')
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def test_return_pandas_format(self):
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"""Test that valid pandas format is returned when specified"""
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prices = self._client.get_dataframe("GOOGL", startDate='2018-01-05',
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endDate='2018-01-19', frequency='weekly')
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self.assertTrue(isinstance(prices, pd.DataFrame))
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@vcr.use_cassette('tests/fixtures/ticker_price_pandas_weekly_multiple_tickers.yaml')
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def test_return_pandas_format_multiple(self):
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"""Test that valid pandas format is returned when specified"""
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tickers = ["GOOGL", "AAPL"]
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prices = self._client.get_dataframe(tickers, startDate='2018-01-05',
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endDate='2018-01-19', metric_name='adjClose', frequency='weekly')
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self.assertTrue(isinstance(prices, pd.DataFrame))
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assert prices['GOOGL'].loc['2018-01-05'] == 1110.29
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self.assertAlmostEqual(prices['AAPL'].loc['2018-01-19'], 178.54, 2)
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@vcr.use_cassette('tests/fixtures/ticker_price_pandas_daily.yaml')
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def test_return_pandas_daily(self):
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"""Test that valid pandas format is returned when specified"""
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prices = self._client.get_dataframe("GOOGL", startDate='2018-01-05',
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endDate='2018-01-19', frequency='daily')
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self.assertTrue(isinstance(prices, pd.DataFrame))
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assert prices['adjClose'].loc['2018-01-05'] == 1110.29
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def test_column_error(self):
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with self.assertRaises(APIColumnNameError):
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self._client.get_dataframe(['GOOGL', 'AAPL'], startDate='2018-01-05',
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endDate='2018-01-19', metric_name='xopen', frequency='weekly')
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@vcr.use_cassette('tests/fixtures/ticker_price_pandas_single.yaml')
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def test_pandas_edge_case(self):
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"""Test single price/date being returned as a frame"""
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prices = self._client.get_dataframe("GOOGL")
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assert len(prices) == 1
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assert len(prices.index) == 1
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class TestTiingoWithoutPython(TestCase):
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def setUp(self):
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if pandas_is_installed:
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self.skipTest("test_tiingo_without_pandas: Pandas is installed.")
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else:
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self._client = TiingoClient()
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@vcr.use_cassette('tests/fixtures/ticker_price_pandas_single.yaml')
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def test_get_dataframe_without_pandas(self):
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with self.assertRaises(InstallPandasException):
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self._client.get_dataframe("GOOGL")
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