First checkin of the Python XPCOM bindings.

extensions/python/xpcom/test/test_components.py

@@ -0,0 +1,78 @@
+# Copyright (c) 2000-2001 ActiveState Tool Corporation.
+# See the file LICENSE.txt for licensing information.
+
+"""Tests the "xpcom.components" object.
+"""
+
+import xpcom.components
+
+if not __debug__:
+    raise RuntimeError, "This test uses assert, so must be run in debug mode"
+
+def test_interfaces():
+    "Test the xpcom.components.interfaces object"
+
+    iid = xpcom.components.interfaces.nsISupports
+    assert iid == xpcom._xpcom.IID_nsISupports, "Got the wrong IID!"
+    iid = xpcom.components.interfaces['nsISupports']
+    assert iid == xpcom._xpcom.IID_nsISupports, "Got the wrong IID!"
+    
+    # Test dictionary semantics
+    num_fetched = num_nsisupports = 0
+    for name, iid in xpcom.components.interfaces.items():
+        num_fetched = num_fetched + 1
+        if name == "nsISupports":
+            num_nsisupports = num_nsisupports + 1
+            assert iid == xpcom._xpcom.IID_nsISupports, "Got the wrong IID!"
+        assert xpcom.components.interfaces[name] == iid
+    # Check all the lengths match.
+    assert len(xpcom.components.interfaces.keys()) == len(xpcom.components.interfaces.values()) == \
+               len(xpcom.components.interfaces.items()) == len(xpcom.components.interfaces) == \
+               num_fetched, "The collection lengths were wrong"
+    if num_nsisupports != 1:
+        print "Didnt find exactly 1 nsiSupports!"
+    print "The interfaces object appeared to work!"
+
+def test_classes():
+    # Need a well-known contractID here?
+    prog_id = "@mozilla.org/filelocator;1"
+    clsid = xpcom.components.ID("{78043e01-e603-11d2-915f-f08a208628fc}")
+
+    # Check we can create the instance (dont check we can do anything with it tho!)
+    klass = xpcom.components.classes[prog_id]
+    instance = klass.createInstance()
+    
+    # Test dictionary semantics
+    num_fetched = num_mine = 0
+    for name, klass in xpcom.components.classes.items():
+        num_fetched = num_fetched + 1
+        if name == prog_id:
+            if klass.clsid != clsid:
+                print "Eeek - didn't get the correct IID - got", klass.clsid
+            num_mine = num_mine + 1
+
+# xpcom appears to add charset info to the contractid!?         
+#        assert xpcom.components.classes[name].contractid == prog_id, "Expected '%s', got '%s'" % (prog_id, xpcom.components.classes[name].contractid)
+    # Check all the lengths match.
+    if len(xpcom.components.classes.keys()) == len(xpcom.components.classes.values()) == \
+               len(xpcom.components.classes.items()) == len(xpcom.components.classes) == \
+               num_fetched:
+        pass
+    else:
+        raise RuntimeError, "The collection lengths were wrong"
+    if num_fetched <= 0:
+        raise RuntimeError, "Didnt get any classes!!!"
+    if num_mine != 1:
+        raise RuntimeError, "Didnt find exactly 1 of my contractid! (%d)" % (num_mine,)
+    print "The classes object appeared to work!"
+    
+def test_id():
+    id = xpcom.components.ID(str(xpcom._xpcom.IID_nsISupports))
+    assert id == xpcom._xpcom.IID_nsISupports
+    print "The ID function appeared to work!"
+    
+
+# regrtest doesnt like if __name__=='__main__' blocks - it fails when running as a test!
+test_interfaces()
+test_classes()
+test_id()