Issue #22060: Clean up/simplify test_ctypes, use test discovery

1 files changed, 35 insertions, 37 deletions

diff --git a/Lib/ctypes/test/test_find.py b/Lib/ctypes/test/test_find.py
index d838099..d8cd8ad 100644
--- a/Lib/ctypes/test/test_find.py
+++ b/Lib/ctypes/test/test_find.py
@@ -1,60 +1,58 @@
 import unittest
 import os
 import sys
+import test.support
 from ctypes import *
 from ctypes.util import find_library
-from ctypes.test import is_resource_enabled
-
-if sys.platform == "win32":
-    lib_gl = find_library("OpenGL32")
-    lib_glu = find_library("Glu32")
-    lib_gle = None
-elif sys.platform == "darwin":
-    lib_gl = lib_glu = find_library("OpenGL")
-    lib_gle = None
-else:
-    lib_gl = find_library("GL")
-    lib_glu = find_library("GLU")
-    lib_gle = find_library("gle")
-
-## print, for debugging
-if is_resource_enabled("printing"):
-    if lib_gl or lib_glu or lib_gle:
-        print("OpenGL libraries:")
-        for item in (("GL", lib_gl),
-                     ("GLU", lib_glu),
-                     ("gle", lib_gle)):
-            print("\t", item)
-
 
 # On some systems, loading the OpenGL libraries needs the RTLD_GLOBAL mode.
 class Test_OpenGL_libs(unittest.TestCase):
-    def setUp(self):
-        self.gl = self.glu = self.gle = None
+    @classmethod
+    def setUpClass(cls):
+        lib_gl = lib_glu = lib_gle = None
+        if sys.platform == "win32":
+            lib_gl = find_library("OpenGL32")
+            lib_glu = find_library("Glu32")
+        elif sys.platform == "darwin":
+            lib_gl = lib_glu = find_library("OpenGL")
+        else:
+            lib_gl = find_library("GL")
+            lib_glu = find_library("GLU")
+            lib_gle = find_library("gle")
+
+        ## print, for debugging
+        if test.support.verbose:
+            print("OpenGL libraries:")
+            for item in (("GL", lib_gl),
+                         ("GLU", lib_glu),
+                         ("gle", lib_gle)):
+                print("\t", item)
+
+        cls.gl = cls.glu = cls.gle = None
         if lib_gl:
-            self.gl = CDLL(lib_gl, mode=RTLD_GLOBAL)
+            cls.gl = CDLL(lib_gl, mode=RTLD_GLOBAL)
         if lib_glu:
-            self.glu = CDLL(lib_glu, RTLD_GLOBAL)
+            cls.glu = CDLL(lib_glu, RTLD_GLOBAL)
         if lib_gle:
             try:
-                self.gle = CDLL(lib_gle)
+                cls.gle = CDLL(lib_gle)
             except OSError:
                 pass
 
-    @unittest.skipUnless(lib_gl, 'lib_gl not available')
     def test_gl(self):
-        if self.gl:
-            self.gl.glClearIndex
+        if self.gl is None:
+            self.skipTest('lib_gl not available')
+        self.gl.glClearIndex
 
-    @unittest.skipUnless(lib_glu, 'lib_glu not available')
     def test_glu(self):
-        if self.glu:
-            self.glu.gluBeginCurve
+        if self.glu is None:
+            self.skipTest('lib_glu not available')
+        self.glu.gluBeginCurve
 
-    @unittest.skipUnless(lib_gle, 'lib_gle not available')
     def test_gle(self):
-        if self.gle:
-            self.gle.gleGetJoinStyle
+        if self.gle is None:
+            self.skipTest('lib_gle not available')
+        self.gle.gleGetJoinStyle
 
 # On platforms where the default shared library suffix is '.so',
 # at least some libraries can be loaded as attributes of the cdll