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import os |
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import sys |
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import pytest |
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@pytest.mark.xfail |
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class TestPyEnviron(object): |
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"""Unit tests for the AACGMV2 environment variables.""" |
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def setup_method(self): |
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"""Create a clean test environment.""" |
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self.igrf_path = os.path.join("aacgmv2", "aacgmv2", |
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12
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"magmodel_1590-2020.txt") |
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self.aacgm_path = os.path.join("aacgmv2", "aacgmv2", "aacgm_coeffs", |
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"aacgm_coeffs-13-") |
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def teardown_method(self): |
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"""Clean up the test environment.""" |
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del self.igrf_path, self.aacgm_path |
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def reset_evar(self, evar): |
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"""Reset the environment variables.""" |
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for coeff_key in evar: |
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if coeff_key in os.environ.keys(): |
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del os.environ[coeff_key] |
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for coeff_key in evar: |
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assert coeff_key not in os.environ.keys() |
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def test_good_coeff(self, aacgm_test=None, igrf_test=None): |
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"""Test the coefficient path/prefixes.""" |
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# Set the defaults |
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if aacgm_test is None: |
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aacgm_test = self.aacgm_path |
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if igrf_test is None: |
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igrf_test = self.igrf_path |
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# Perform the test |
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if aacgm_test.find(self.aacgm_path) < 0: |
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raise AssertionError('BAD AACGMV PATH') |
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if igrf_test.find(self.igrf_path) < 0: |
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raise AssertionError('BAD IGRF PATH') |
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@pytest.mark.parametrize("coeff", [("aacgm_test"), ("igrf_test")]) |
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def test_bad_coeff(self, coeff): |
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"""Test the failure of the class routine 'test_good_coeff'. |
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Parameters |
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---------- |
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coeff : str |
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Coefficient name |
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""" |
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with pytest.raises(AssertionError, match="BAD"): |
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self.test_good_coeff(**{coeff: "bad path"}) |
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def test_top_parameters_default(self): |
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"""Test default module coefficients.""" |
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# Import AACGMV2 after removing any possible preset env variables |
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self.reset_evar(evar=['AACGM_v2_DAT_PREFIX', 'IGRF_COEFFS']) |
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import aacgmv2 |
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self.test_good_coeff(aacgmv2.AACGM_v2_DAT_PREFIX, aacgmv2.IGRF_COEFFS) |
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assert not aacgmv2.__reset_warn__ |
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del sys.modules["aacgmv2"] |
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del aacgmv2 |
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@pytest.mark.parametrize("evars", [(["AACGM_v2_DAT_PREFIX"]), |
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(["AACGM_v2_DAT_PREFIX", "IGRF_COEFFS"]), |
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(["IGRF_COEFFS"])]) |
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def test_top_parameters_reset_evar_to_specified(self, evars): |
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"""Test module reset of AACGM environment variables. |
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Parameters |
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---------- |
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evars : str |
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Environmental variable name |
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""" |
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self.reset_evar(evar=evars) |
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for i, evar in enumerate(evars): |
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os.environ[evar] = 'test_prefix{:d}'.format(i) |
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import aacgmv2 |
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90
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self.test_good_coeff(aacgmv2.AACGM_v2_DAT_PREFIX, aacgmv2.IGRF_COEFFS) |
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assert aacgmv2.__reset_warn__ |
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del sys.modules["aacgmv2"] |
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del aacgmv2 |
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def test_top_parameters_set_same(self): |
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"""Test module non-reset with outside def of both coefficient paths.""" |
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from aacgmv2 import __file__ as file_path |
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coeff_path = os.path.realpath(os.path.dirname(file_path)) |
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os.environ['AACGM_v2_DAT_PREFIX'] = os.path.join(coeff_path, |
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self.aacgm_path) |
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os.environ['IGRF_COEFFS'] = os.path.join(coeff_path, self.igrf_path) |
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import aacgmv2 |
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108
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self.test_good_coeff(aacgmv2.AACGM_v2_DAT_PREFIX, aacgmv2.IGRF_COEFFS) |
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assert not aacgmv2.__reset_warn__ |
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del sys.modules["aacgmv2"] |
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del aacgmv2 |
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aburrell /
aacgmv2
