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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
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# software distributed under the License is distributed on an
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# under the License.

import unittest
import ocw.data_source.dap as dap
from ocw.dataset import Dataset
import datetime as dt

class TestDap(unittest.TestCase):
    @classmethod
    def setup_class(self):
        self.dataset = dap.load('http://test.opendap.org/dap/data/nc/sst.mnmean.nc.gz', 'sst', name='foo')

    def test_dataset_is_returned(self):
        self.assertTrue(isinstance(self.dataset, Dataset))

    def test_correct_lat_shape(self):
        self.assertEquals(len(self.dataset.lats), 89)

    def test_correct_lon_shape(self):
        self.assertEquals(len(self.dataset.lons), 180)

    def test_correct_time_shape(self):
        self.assertEquals(len(self.dataset.times), 1857)

    def test_valid_date_conversion(self):
        start = dt.datetime(1854, 1, 1)
        self.assertTrue(start == self.dataset.times[0])

    def test_custom_dataset_name(self):
        self.assertEquals(self.dataset.name, 'foo')

if __name__ == '__main__':
    unittest.main()