Update

subprojects/gst-python/testsuite/old/test_struct.py

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+# -*- Mode: Python -*-
+# vi:si:et:sw=4:sts=4:ts=4
+#
+# gst-python - Python bindings for GStreamer
+# Copyright (C) 2002 David I. Lehn
+# Copyright (C) 2004 Johan Dahlin
+# Copyright (C) 2005 Edward Hervey
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+
+import sys
+from common import gst, unittest, TestCase
+
+class StructureTest(TestCase):
+    def setUp(self):
+        TestCase.setUp(self)
+        self.struct = gst.structure_from_string('video/x-raw-yuv,width=10,foo="bar",pixel-aspect-ratio=1/2,framerate=5/1,boolean=(boolean)true')
+
+    def testName(self):
+        assert self.struct.get_name() == 'video/x-raw-yuv'
+        self.struct.set_name('foobar')
+        assert self.struct.get_name() == 'foobar'
+        
+    def testInt(self):
+        assert self.struct.has_key('width')
+        assert isinstance(self.struct['width'], int)
+        assert self.struct['width'] == 10, self.struct['width']
+        self.struct['width'] = 5
+        assert self.struct.has_key('width')
+        assert isinstance(self.struct['width'], int)
+        assert self.struct['width'] == 5, self.struct['width']
+
+    def testString(self):
+        assert self.struct.has_key('foo')
+        assert isinstance(self.struct['foo'], unicode)
+        assert self.struct['foo'] == 'bar', self.struct['foo']
+        self.struct['foo'] = 'baz'
+        assert self.struct.has_key('foo')
+        assert isinstance(self.struct['foo'], unicode)
+        assert self.struct['foo'] == 'baz', self.struct['foo']
+
+    def testBoolean(self):
+        assert self.struct.has_key('boolean')
+        assert isinstance(self.struct['boolean'], bool)
+        assert self.struct['boolean'] == True, self.struct['boolean']
+        self.struct['boolean'] = False
+        assert self.struct.has_key('boolean')
+        assert isinstance(self.struct['boolean'], bool)
+        assert self.struct['boolean'] == False, self.struct['boolean']
+
+    def testCreateInt(self):
+        self.struct['integer'] = 5
+        assert self.struct.has_key('integer')
+        assert isinstance(self.struct['integer'], int)
+        assert self.struct['integer'] == 5, self.struct['integer']
+        
+    def testGstValue(self):
+        s = self.struct
+        s['fourcc'] = gst.Fourcc('XVID')
+        assert s['fourcc'].fourcc == 'XVID'
+        s['frac'] = gst.Fraction(3,4)
+        assert s['frac'].num == 3
+        assert s['frac'].denom == 4
+        s['fracrange'] = gst.FractionRange(gst.Fraction(0,1),
+                                           gst.Fraction(25,3))
+        assert s['fracrange'].low.num == 0
+        assert s['fracrange'].low.denom == 1
+        assert s['fracrange'].high.num == 25
+        assert s['fracrange'].high.denom == 3
+        s['intrange'] = gst.IntRange(5,21)
+        assert s['intrange'].low == 5
+        assert s['intrange'].high == 21
+        s['doublerange'] = gst.DoubleRange(6.,21.)
+        assert s['doublerange'].low == 6.
+        assert s['doublerange'].high == 21.
+        s['fixedlist'] = (4, 5, 6)
+        assert isinstance(s['fixedlist'], tuple)
+        assert s['fixedlist'] == (4, 5, 6)
+        s['list'] = [4, 5, 6]
+        assert isinstance(s['list'], list)
+        assert s['list'] == [4, 5, 6]
+        s['boolean'] = True
+        assert isinstance(s['boolean'], bool)
+        assert s['boolean'] == True
+        
+        # finally, some recursive tests
+        s['rflist'] = ([(['a', 'b'], ['c', 'd']),'e'], ['f', 'g'])
+        assert s['rflist'] == ([(['a', 'b'], ['c', 'd']),'e'], ['f', 'g'])
+        s['rlist'] = [([(['a', 'b'], ['c', 'd']),'e'], ['f', 'g']), 'h']
+        assert s['rlist'] == [([(['a', 'b'], ['c', 'd']),'e'], ['f', 'g']), 'h']
+
+    def testStructureChange(self):
+        assert self.struct['framerate'] == gst.Fraction(5, 1)
+        self.struct['framerate'] = gst.Fraction(10, 1)
+        assert self.struct['framerate'] == gst.Fraction(10, 1)
+        self.struct['pixel-aspect-ratio'] = gst.Fraction(4, 2)
+        assert self.struct['pixel-aspect-ratio'].num == 2
+        assert self.struct['pixel-aspect-ratio'].denom == 1
+
+    def testKeys(self):
+        k = self.struct.keys()
+        self.failUnless(k)
+        self.assertEquals(len(k), 5)
+        self.failUnless("width" in k)
+        self.failUnless("foo" in k)
+        self.failUnless("framerate" in k)
+        self.failUnless("pixel-aspect-ratio" in k)
+        self.failUnless("boolean" in k)
+ 
+if __name__ == "__main__":
+    unittest.main()