Files
tiingo-python/tests/test_tiingo_pandas.py

148 lines
6.9 KiB
Python

#!/usr/bin/env python
"""Unit tests for pandas functionality in tiingo"""
import vcr
from unittest import TestCase
from tiingo import TiingoClient
from tiingo.exceptions import APIColumnNameError, InstallPandasException, MissingRequiredArgumentError
try:
import pandas as pd
pandas_is_installed = True
except ImportError:
pandas_is_installed = False
class TestTiingoWithPython(TestCase):
def setUp(self):
if pandas_is_installed:
self._client = TiingoClient()
else:
self.skipTest("test_tiingo_pandas: Pandas not installed.")
@vcr.use_cassette('tests/fixtures/ticker_price_pandas_weekly.yaml')
def test_return_pandas_format(self):
"""Test that valid pandas format is returned when specified"""
prices = self._client.get_dataframe("GOOGL", startDate='2018-01-05',
endDate='2018-01-19', frequency='weekly')
self.assertTrue(isinstance(prices, pd.DataFrame))
assert len(prices.index) == 3
@vcr.use_cassette('tests/fixtures/ticker_price_pandas_weekly_multiple_tickers.yaml')
def test_return_pandas_format_multiple(self):
"""Test that valid pandas format is returned when specified"""
tickers = ["GOOGL", "AAPL"]
prices = self._client.get_dataframe(tickers, startDate='2018-01-05',
endDate='2018-01-19', metric_name='adjClose', frequency='weekly')
self.assertTrue(isinstance(prices, pd.DataFrame))
assert len(prices.columns) == 2
assert len(prices.index) == 3
@vcr.use_cassette('tests/fixtures/ticker_price_pandas_weekly_multiple_tickers_csv.yaml')
def test_return_pandas_format_multiple(self):
"""Test that valid pandas format is returned when specified"""
tickers = ["GOOGL", "AAPL"]
prices = self._client.get_dataframe(tickers, startDate='2018-01-05',
endDate='2018-01-19', metric_name='adjClose', frequency='weekly', fmt='csv')
self.assertTrue(isinstance(prices, pd.DataFrame))
assert len(prices.columns) == 2
assert len(prices.index) == 3
@vcr.use_cassette('tests/fixtures/ticker_price_pandas_daily.yaml')
def test_return_pandas_daily(self):
"""Test that valid pandas format is returned when specified"""
prices = self._client.get_dataframe("GOOGL", startDate='2018-01-05',
endDate='2018-01-19', frequency='daily')
self.assertTrue(isinstance(prices, pd.DataFrame))
assert len(prices.columns) == 12
@vcr.use_cassette('tests/fixtures/ticker_price_pandas_daily_csv.yaml')
def test_return_pandas_daily_csv(self):
"""Test that valid pandas format is returned when specified and csv data requested"""
prices = self._client.get_dataframe("GOOGL",
startDate='2018-01-05', endDate='2018-01-19',
frequency='daily', fmt='csv')
self.assertTrue(isinstance(prices, pd.DataFrame))
self.assertTrue(isinstance(prices.index, pd.DatetimeIndex))
assert prices.index.tz.zone == 'UTC'
assert len(prices) == 10
assert len(prices.columns) == 12
@vcr.use_cassette('tests/fixtures/ticker_price_pandas_daily_metric_name.yaml')
def test_return_pandas_daily(self):
"""Test that one column is returned when a metric name is specified"""
prices = self._client.get_dataframe("GOOGL", startDate='2018-01-05', metric_name='adjClose',
endDate='2018-01-19', frequency='daily')
self.assertTrue(isinstance(prices, pd.Series))
assert len(prices.index) == 10
@vcr.use_cassette('tests/fixtures/ticker_price_pandas_daily_metric_name_csv.yaml')
def test_return_pandas_daily_metric_name_csv(self):
"""Test that one column is returned when a metric name is specified and csv data requested
Request unadjusted close column to ensure data remains constant in case GOOGL splits
or distributes dividends.
"""
prices = self._client.get_dataframe("GOOGL", startDate='2018-01-05', metric_name='close',
endDate='2018-01-19', frequency='daily', fmt='csv')
self.assertTrue(isinstance(prices, pd.Series))
self.assertTrue(isinstance(prices.index, pd.DatetimeIndex))
assert prices.index.tz.zone == 'UTC'
assert prices.values.tolist() == [
1110.29,1114.21,1112.79,1110.14,1112.05,
1130.65,1130.7,1139.1,1135.97,1143.5]
assert len(prices.index) == 10
@vcr.use_cassette('tests/fixtures/ticker_price_pandas_daily_equivalent_requesting_json_or_csv.yaml')
def test_price_pandas_daily_equivalent_requesting_json_or_csv(self):
"""Test that equivalent data is returned when specifying reuqest format in json or csv.
"""
prices_json = self._client.get_dataframe("GOOGL",
startDate='2018-01-05', endDate='2018-01-19',
metric_name='close', frequency='daily')
prices_csv = self._client.get_dataframe("GOOGL",
startDate='2018-01-05', endDate='2018-01-19',
metric_name='close', frequency='daily', fmt='csv')
self.assertTrue(prices_json.equals(prices_csv))
@vcr.use_cassette('tests/fixtures/intraday_price.yaml')
def test_intraday_ticker_price(self):
"""Test the EOD Prices Endpoint with data param"""
prices = self._client.get_dataframe("GOOGL",
startDate="2018-01-02",
endDate="2018-01-02",
frequency="30Min")
self.assertGreater(len(prices), 1)
def test_metric_name_column_error(self):
with self.assertRaises(APIColumnNameError):
self._client.get_dataframe(['GOOGL', 'AAPL'], startDate='2018-01-05',
endDate='2018-01-19', metric_name='xopen', frequency='weekly')
def test_metric_name_missing_when_multiple_tickers(self):
with self.assertRaises(MissingRequiredArgumentError):
self._client.get_dataframe(['GOOGL', 'AAPL'], frequency='weekly')
@vcr.use_cassette('tests/fixtures/ticker_price_pandas_single.yaml')
def test_pandas_edge_case(self):
"""Test single price/date being returned as a frame"""
prices = self._client.get_dataframe("GOOGL")
assert len(prices) == 1
assert len(prices.index) == 1
class TestTiingoWithoutPython(TestCase):
def setUp(self):
if pandas_is_installed:
self.skipTest("test_tiingo_without_pandas: Pandas is installed.")
else:
self._client = TiingoClient()
@vcr.use_cassette('tests/fixtures/ticker_price_pandas_single.yaml')
def test_get_dataframe_without_pandas(self):
with self.assertRaises(InstallPandasException):
self._client.get_dataframe("GOOGL")