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# Copyright (c) 2008-2016 MetPy Developers. |
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# Distributed under the terms of the BSD 3-Clause License. |
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# SPDX-License-Identifier: BSD-3-Clause |
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"""Tests for the `_util` module.""" |
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from datetime import datetime |
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import matplotlib |
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import matplotlib.pyplot as plt |
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import pytest |
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from metpy.plots import add_metpy_logo, add_timestamp, add_unidata_logo |
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# Fixture to make sure we have the right backend |
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from metpy.testing import set_agg_backend # noqa: F401 |
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MPL_VERSION = matplotlib.__version__[:3] |
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@pytest.mark.mpl_image_compare(tolerance={'1.4': 5.58}.get(MPL_VERSION, 0.01), |
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remove_text=True) |
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def test_add_timestamp(): |
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"""Test adding a timestamp to an axes object.""" |
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fig = plt.figure(figsize=(9, 9)) |
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ax = plt.subplot(1, 1, 1) |
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add_timestamp(ax, time=datetime(2017, 1, 1)) |
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return fig |
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@pytest.mark.mpl_image_compare(tolerance={'1.4': 0.004}.get(MPL_VERSION, 0.01), |
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remove_text=True) |
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def test_add_metpy_logo_small(): |
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"""Test adding a MetPy logo to a figure.""" |
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fig = plt.figure(figsize=(9, 9)) |
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add_metpy_logo(fig) |
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return fig |
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@pytest.mark.mpl_image_compare(tolerance={'1.4': 0.004}.get(MPL_VERSION, 0.01), |
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remove_text=True) |
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def test_add_metpy_logo_large(): |
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"""Test adding a large MetPy logo to a figure.""" |
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fig = plt.figure(figsize=(9, 9)) |
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add_metpy_logo(fig, size='large') |
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return fig |
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@pytest.mark.mpl_image_compare(tolerance={'1.4': 0.004}.get(MPL_VERSION, 0.01), |
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remove_text=True) |
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def test_add_unidata_logo(): |
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"""Test adding a Unidata logo to a figure.""" |
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fig = plt.figure(figsize=(9, 9)) |
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add_unidata_logo(fig) |
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return fig |
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def test_add_logo_invalid_size(): |
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"""Test adding a logo to a figure with an invalid size specification.""" |
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fig = plt.figure(figsize=(9, 9)) |
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with pytest.raises(ValueError): |
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add_metpy_logo(fig, size='jumbo') |
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Unidata /
MetPy
