Remove alien error messages about CFPasteboardRef on Mac to prevent

them from polluting stderr and causing qmtest failures (CORALCOOL-2889).


git-svn-id: file:///git/lcgcool.svndb/cool/trunk@19969 4525493e-7705-40b1-a816-d608a930855b

src/CoolTest/qmtest/COOLTests.py

@@ -637,6 +637,31 @@ class StandardTest(ShellCommandTest):
         if "standard output" in causes: causes.remove("standard output")
         return causes
 
+    def __CompareText(self, s1, s2): # Called by ExecTestBase.ValidateOutput
+        """Compare 's1' and 's2', ignoring line endings.
+
+        's1' -- A string.
+
+        's2' -- A string.
+
+        returns -- True if 's1' and 's2' are the same, ignoring
+        differences in line endings.
+         
+        This is the standard mode in which QMTest works """
+        # The "splitlines" method works independently of the line ending
+        # convention in use.
+        if platform.system() != 'Darwin':
+            return s1.splitlines() == s2.splitlines()
+        else:
+            # Workaround for CFPasteboardRef issues on Mac (CORALCOOL-2889)
+            s1s = s1.splitlines()
+            s2s = s2.splitlines()
+            for l in list(s1s):
+                if 'CFPasteboardRef CFPasteboardCreate(CFAllocatorRef, CFStringRef) : failed to create global data' in l: s1s.remove(l)
+            for l in list(s2s):
+                if 'CFPasteboardRef CFPasteboardCreate(CFAllocatorRef, CFStringRef) : failed to create global data' in l: s2s.remove(l)
+            return s1s == s2s
+
 class DatabaseTest(StandardTest):
     """ This class adds to the standard QMTest shell command test the
         possibility of setting the environment needed to run COOL tests.