Add gif parser and tests

test/mitmproxy/contentviews/test_image_parser.py

@@ -6,13 +6,13 @@ from mitmproxy.test import tutils
 
 @pytest.mark.parametrize("filename, metadata", {
     # no textual data
-    "mitmproxy/data/png_parser/ct0n0g04.png": [
+    "mitmproxy/data/image_parser/ct0n0g04.png": [
         ('Format', 'Portable network graphics'),
         ('Size', '32 x 32 px'),
         ('gamma', '1.0')
     ],
     # with textual data
-    "mitmproxy/data/png_parser/ct1n0g04.png": [
+    "mitmproxy/data/image_parser/ct1n0g04.png": [
         ('Format', 'Portable network graphics'),
         ('Size', '32 x 32 px'),
         ('gamma', '1.0'),
@@ -27,7 +27,7 @@ from mitmproxy.test import tutils
         ('Disclaimer', 'Freeware.')
     ],
     # with compressed textual data
-    "mitmproxy/data/png_parser/ctzn0g04.png": [
+    "mitmproxy/data/image_parser/ctzn0g04.png": [
         ('Format', 'Portable network graphics'),
         ('Size', '32 x 32 px'),
         ('gamma', '1.0'),
@@ -42,7 +42,7 @@ from mitmproxy.test import tutils
         ('Disclaimer', 'Freeware.')
     ],
     # UTF-8 international text - english
-    "mitmproxy/data/png_parser/cten0g04.png": [
+    "mitmproxy/data/image_parser/cten0g04.png": [
         ('Format', 'Portable network graphics'),
         ('Size', '32 x 32 px'),
         ('gamma', '1.0'),
@@ -57,13 +57,13 @@ from mitmproxy.test import tutils
         ('Disclaimer', 'Freeware.')
     ],
     # check gamma value
-    "mitmproxy/data/png_parser/g07n0g16.png": [
+    "mitmproxy/data/image_parser/g07n0g16.png": [
         ('Format', 'Portable network graphics'),
         ('Size', '32 x 32 px'),
         ('gamma', '0.7')
     ],
     # check aspect value
-    "mitmproxy/data/png_parser/aspect.png": [
+    "mitmproxy/data/image_parser/aspect.png": [
         ('Format', 'Portable network graphics'),
         ('Size', '1280 x 798 px'),
         ('aspect', '72 x 72'),
@@ -74,3 +74,26 @@ from mitmproxy.test import tutils
 def test_parse_png(filename, metadata):
     with open(tutils.test_data.path(filename), "rb") as f:
         assert metadata == image_parser.parse_png(f.read())
+
+
+@pytest.mark.parametrize("filename, metadata", {
+    # check comment
+    "mitmproxy/data/image_parser/hopper.gif": [
+        ('Format', 'Compuserve GIF'),
+        ('version', 'GIF89a'),
+        ('Size', '128 x 128 px'),
+        ('background', '0'),
+        ('comment', "b'File written by Adobe Photoshop\\xa8 4.0'")
+    ],
+    # check background
+    "mitmproxy/data/image_parser/chi.gif": [
+        ('Format', 'Compuserve GIF'),
+        ('version', 'GIF89a'),
+        ('Size', '320 x 240 px'),
+        ('background', '248'),
+        ('comment', "b'Created with GIMP'")
+    ],
+}.items())
+def test_parse_gif(filename, metadata):
+    with open(tutils.test_data.path(filename), 'rb') as f:
+        assert metadata == image_parser.parse_gif(f.read())