(anim)
| 82 | |
| 83 | |
| 84 | def test_null_movie_writer(anim): |
| 85 | # Test running an animation with NullMovieWriter. |
| 86 | plt.rcParams["savefig.facecolor"] = "auto" |
| 87 | filename = "unused.null" |
| 88 | dpi = 50 |
| 89 | savefig_kwargs = dict(foo=0) |
| 90 | writer = NullMovieWriter() |
| 91 | |
| 92 | anim.save(filename, dpi=dpi, writer=writer, |
| 93 | savefig_kwargs=savefig_kwargs) |
| 94 | |
| 95 | assert writer.fig == plt.figure(1) # The figure used by anim fixture |
| 96 | assert writer.outfile == filename |
| 97 | assert writer.dpi == dpi |
| 98 | assert writer.args == () |
| 99 | # we enrich the savefig kwargs to ensure we composite transparent |
| 100 | # output to an opaque background |
| 101 | for k, v in savefig_kwargs.items(): |
| 102 | assert writer.savefig_kwargs[k] == v |
| 103 | assert writer._count == anim._save_count |
| 104 | |
| 105 | |
| 106 | @pytest.mark.parametrize('anim', [dict(klass=dict)], indirect=['anim']) |
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