30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
import os
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from matplotlib import pyplot as plt
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import pytest
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from unittest import mock
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@pytest.mark.backend("gtk3agg", skip_on_importerror=True)
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def test_save_figure_return():
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from gi.repository import Gtk
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fig, ax = plt.subplots()
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ax.imshow([[1]])
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with mock.patch("gi.repository.Gtk.FileFilter") as fileFilter:
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filt = fileFilter.return_value
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filt.get_name.return_value = "Portable Network Graphics"
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with mock.patch("gi.repository.Gtk.FileChooserDialog") as dialogChooser:
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dialog = dialogChooser.return_value
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dialog.get_filter.return_value = filt
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dialog.get_filename.return_value = "foobar.png"
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dialog.run.return_value = Gtk.ResponseType.OK
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fname = fig.canvas.manager.toolbar.save_figure()
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os.remove("foobar.png")
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assert fname == "foobar.png"
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with mock.patch("gi.repository.Gtk.MessageDialog"):
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dialog.get_filename.return_value = None
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dialog.run.return_value = Gtk.ResponseType.OK
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fname = fig.canvas.manager.toolbar.save_figure()
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assert fname is None
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