mirror of
https://github.com/wassname/catalyst.git
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Joe Jevnik
721dd36116
Renames zipline.utils.test_utils to zipline.testing Adds zipline.testing.fixtures.ZiplineTestCase to manage setup and teardown and adds mixins to define fixtures like an asset finder or trading calendar.
41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
"""
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Tests for our testing utilities.
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"""
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from itertools import product
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from unittest import TestCase
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from zipline.testing import parameter_space
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class TestParameterSpace(TestCase):
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x_args = [1, 2]
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y_args = [3, 4]
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@classmethod
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def setUpClass(cls):
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cls.xy_invocations = []
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cls.yx_invocations = []
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@classmethod
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def tearDownClass(cls):
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# This is the only actual test here.
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assert cls.xy_invocations == list(product(cls.x_args, cls.y_args))
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assert cls.yx_invocations == list(product(cls.y_args, cls.x_args))
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@parameter_space(x=x_args, y=y_args)
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def test_xy(self, x, y):
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self.xy_invocations.append((x, y))
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@parameter_space(x=x_args, y=y_args)
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def test_yx(self, y, x):
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# Ensure that product is called with args in the order that they appear
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# in the function's parameter list.
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self.yx_invocations.append((y, x))
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def test_nothing(self):
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# Ensure that there's at least one "real" test in the class, or else
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# our {setUp,tearDown}Class won't be called if, for example,
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# `parameter_space` returns None.
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pass
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