diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/mitmproxy/contentviews/test_image_parser.py | 140 |
1 files changed, 57 insertions, 83 deletions
diff --git a/test/mitmproxy/contentviews/test_image_parser.py b/test/mitmproxy/contentviews/test_image_parser.py index 3d987b9d..ba215b93 100644 --- a/test/mitmproxy/contentviews/test_image_parser.py +++ b/test/mitmproxy/contentviews/test_image_parser.py @@ -1,88 +1,62 @@ import io +import pytest + from mitmproxy.contentviews.image import image_parser from mitmproxy.test import tutils -class TestPngParser: - def test_png_size(self): - img = "mitmproxy/data/image.png" - with open(tutils.test_data.path(img), "rb") as f: - parts = image_parser.parse_png(io.BytesIO(f.read())) - assert parts - assert tuple(['Size', '174 x 174 px']) in parts - assert tuple(["Format", "Portable network graphics"]) in parts - - def test_no_textual_data(self): - img = "mitmproxy/data/png_parser/ct0n0g04.png" - with open(tutils.test_data.path(img), "rb") as f: - parts = image_parser.parse_png(io.BytesIO(f.read())) - assert parts - metadata = [ - ('Format', 'Portable network graphics'), - ('Size', '32 x 32 px'), - ('gamma', '1.0') - ] - parts = [data for data in parts if data not in metadata] - assert not parts - - def test_textual_data(self): - img = "mitmproxy/data/png_parser/ct1n0g04.png" - expected = [ - ('Title', 'PngSuite'), - ('Author', 'Willem A.J. van Schaik\n(willem@schaik.com)'), - ('Copyright', 'Copyright Willem van Schaik, Singapore 1995-96'), - ('Description', 'A compilation of a set of images created to test the\nvarious color-types of the PNG format. Included are\nblack&white, color, paletted, with alpha channel, with\ntransparency formats. All bit-depths allowed according\nto the spec are present.'), - ('Software', 'Created on a NeXTstation color using "pnmtopng".'), - ('Disclaimer', 'Freeware.') - ] - with open(tutils.test_data.path(img), "rb") as f: - parts = image_parser.parse_png(io.BytesIO(f.read())) - assert parts - for data in expected: - assert data in parts - - def test_compressed_textual_data(self): - img = "mitmproxy/data/png_parser/ctzn0g04.png" - expected = [ - ('Title', 'PngSuite'), - ('Author', 'Willem A.J. van Schaik\n(willem@schaik.com)'), - ('Copyright', 'Copyright Willem van Schaik, Singapore 1995-96'), - ('Description', 'A compilation of a set of images created to test the\nvarious color-types of the PNG format. Included are\nblack&white, color, paletted, with alpha channel, with\ntransparency formats. All bit-depths allowed according\nto the spec are present.'), - ('Software', 'Created on a NeXTstation color using "pnmtopng".'), - ('Disclaimer', 'Freeware.') - ] - with open(tutils.test_data.path(img), "rb") as f: - parts = image_parser.parse_png(io.BytesIO(f.read())) - assert parts - for data in expected: - assert data in parts - - def test_international_textual_data(self): - img = "mitmproxy/data/png_parser/cten0g04.png" - expected = [ - ('Author', 'Willem van Schaik (willem@schaik.com)'), - ('Copyright', 'Copyright Willem van Schaik, Canada 2011'), - ('Description', 'A compilation of a set of images created to test the various color-types of the PNG format. Included are black&white, color, paletted, with alpha channel, with transparency formats. All bit-depths allowed according to the spec are present.'), - ('Software', 'Created on a NeXTstation color using "pnmtopng".'), - ('Disclaimer', 'Freeware.') - ] - with open(tutils.test_data.path(img), "rb") as f: - parts = image_parser.parse_png(io.BytesIO(f.read())) - print(parts) - assert parts - for data in expected: - assert data in parts - - def test_gamma(self): - img = "mitmproxy/data/png_parser/g07n0g16.png" - with open(tutils.test_data.path(img), "rb") as f: - parts = image_parser.parse_png(io.BytesIO(f.read())) - assert parts - assert ('gamma', '0.7') in parts - - def test_aspect(self): - img = "mitmproxy/data/png_parser/aspect.png" - with open(tutils.test_data.path(img), "rb") as f: - parts = image_parser.parse_png(io.BytesIO(f.read())) - assert parts - assert ('aspect', '72 x 72') in parts +@pytest.mark.parametrize("filename, metadata", { + # no textual data + "mitmproxy/data/png_parser/ct0n0g04.png": [ + ('Format', 'Portable network graphics'), + ('Size', '32 x 32 px'), + ('gamma', '1.0') + ], + # with textual data + "mitmproxy/data/png_parser/ct1n0g04.png": [ + ('Format', 'Portable network graphics'), + ('Size', '32 x 32 px'), + ('gamma', '1.0'), + ('Title', 'PngSuite'), + ('Author', 'Willem A.J. van Schaik\n(willem@schaik.com)'), + ('Copyright', 'Copyright Willem van Schaik, Singapore 1995-96'), + ('Description', 'A compilation of a set of images created to test the\nvarious color-types of the PNG format. Included are\nblack&white, color, paletted, with alpha channel, with\ntransparency formats. All bit-depths allowed according\nto the spec are present.'), ('Software', 'Created on a NeXTstation color using "pnmtopng".'), ('Disclaimer', 'Freeware.') + ], + # with compressed textual data + "mitmproxy/data/png_parser/ctzn0g04.png": [ + ('Format', 'Portable network graphics'), + ('Size', '32 x 32 px'), + ('gamma', '1.0'), + ('Title', 'PngSuite'), + ('Author', 'Willem A.J. van Schaik\n(willem@schaik.com)'), + ('Copyright', 'Copyright Willem van Schaik, Singapore 1995-96'), + ('Description', 'A compilation of a set of images created to test the\nvarious color-types of the PNG format. Included are\nblack&white, color, paletted, with alpha channel, with\ntransparency formats. All bit-depths allowed according\nto the spec are present.'), ('Software', 'Created on a NeXTstation color using "pnmtopng".'), ('Disclaimer', 'Freeware.') + ], + # UTF-8 international text - english + "mitmproxy/data/png_parser/cten0g04.png": [ + ('Format', 'Portable network graphics'), + ('Size', '32 x 32 px'), + ('gamma', '1.0'), + ('Title', 'PngSuite'), + ('Author', 'Willem van Schaik (willem@schaik.com)'), + ('Copyright', 'Copyright Willem van Schaik, Canada 2011'), + ('Description', 'A compilation of a set of images created to test the various color-types of the PNG format. Included are black&white, color, paletted, with alpha channel, with transparency formats. All bit-depths allowed according to the spec are present.'), ('Software', 'Created on a NeXTstation color using "pnmtopng".'), ('Disclaimer', 'Freeware.') + ], + # check gamma value + "mitmproxy/data/png_parser/g07n0g16.png": [ + ('Format', 'Portable network graphics'), + ('Size', '32 x 32 px'), + ('gamma', '0.7') + ], + # check aspect value + "mitmproxy/data/png_parser/aspect.png": [ + ('Format', 'Portable network graphics'), + ('Size', '1280 x 798 px'), + ('aspect', '72 x 72'), + ('date:create', '2012-07-11T14:04:52-07:00'), + ('date:modify', '2012-07-11T14:04:52-07:00') + ], +}.items()) +def test_parse_png(filename, metadata): + with open(tutils.test_data.path(filename), "rb") as f: + assert metadata == image_parser.parse_png(io.BytesIO(f.read())) |