Source code for feets.tests.datasets.test_ogle3

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# The MIT License (MIT)

# Copyright (c) 2017 Juan Cabral

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# SOFTWARE.


# =============================================================================
# FUTURE
# =============================================================================

from __future__ import unicode_literals


# =============================================================================
# DOC
# =============================================================================

__doc__ = """All ogle3 access tests"""


# =============================================================================
# IMPORTS
# =============================================================================

import os
import tarfile

import numpy as np

import pandas as pd

import mock

from ...datasets import ogle3

from ..core import FeetsTestCase, DATA_PATH


# =============================================================================
# BASE CLASS
# =============================================================================

class LoadOGLE3CatalogTestCase(FeetsTestCase):

    def test_load_OGLE3_catalog(self):
        df = pd.DataFrame({"# ID": [1, 2, 3]})
        with mock.patch("pandas.read_table", return_value=df), \
                mock.patch("bz2.BZ2File") as BZ2File:
                    self.assertNotIn("ID", df.columns)
                    self.assertIn("# ID", df.columns)
                    ogle3.load_OGLE3_catalog()
                    self.assertIn("ID", df.columns)
                    self.assertNotIn("# ID", df.columns)
                    BZ2File.assert_called_with(ogle3.CATALOG_PATH)


class LoadFetchOGLE3(FeetsTestCase):

    def test_fetch_OGLE3(self):
        store_path = ogle3._get_OGLE3_data_home(None)
        cat = ogle3.load_OGLE3_catalog()
        oid = np.random.choice(cat.ID)
        url = ogle3.URL.format(oid)
        file_path = os.path.join(store_path, "{}.tar".format(oid))

        with mock.patch("feets.datasets.base.fetch") as fetch, \
                mock.patch("tarfile.TarFile"):
                    data = ogle3.fetch_OGLE3(oid)
                    self.assertEquals(data["id"], oid)
                    fetch.assert_called_with(url, file_path)

    def test_fetch_OGLE3_real_TAR(self):
        file_path = os.path.join(DATA_PATH, "OGLE-BLG-LPV-232406.tar")
        with tarfile.TarFile(file_path) as tfp:
            with mock.patch("feets.datasets.base.fetch"), \
                    mock.patch("tarfile.TarFile", return_value=tfp):
                        ogle3.fetch_OGLE3("OGLE-BLG-LPV-232406")