Function test_video_embedding

tests/test_display_2.py:400–434

use a tempfile, with dummy-data, to ensure that video embedding doesn't crash

()

def test_video_embedding():
    """use a tempfile, with dummy-data, to ensure that video embedding doesn't crash"""
    v = display.Video("http://ignored")
    assert not v.embed
    html = v._repr_html_()
    assert 'src="data:' not in html
    assert 'src="http://ignored"' in html

    with pytest.raises(ValueError):
        v = display.Video(b"abc")

    with NamedFileInTemporaryDirectory("test.mp4", "wb") as f:
        f.write(b"abc")
        f.close()

        v = display.Video(f.name)
        assert not v.embed
        html = v._repr_html_()
        assert 'src="data:' not in html

        v = display.Video(f.name, embed=True)
        html = v._repr_html_()
        assert 'src="data:video/mp4;base64,YWJj"' in html

        v = display.Video(f.name, embed=True, mimetype="video/other")
        html = v._repr_html_()
        assert 'src="data:video/other;base64,YWJj"' in html

        v = display.Video(b"abc", embed=True, mimetype="video/mp4")
        html = v._repr_html_()
        assert 'src="data:video/mp4;base64,YWJj"' in html

        v = display.Video("YWJj", embed=True, mimetype="video/xyz")
        html = v._repr_html_()
        assert 'src="data:video/xyz;base64,YWJj"' in html


def test_html_metadata():