bpo-40823: Use loadTestsFromTestCase() iso. makeSuite() in sqlite3 tests (GH-20538)

Lib/sqlite3/test/hooks.py

@@ -28,23 +28,23 @@ from test.support.os_helper import TESTFN, unlink
 
 
 class CollationTests(unittest.TestCase):
-    def CheckCreateCollationNotString(self):
+    def test_create_collation_not_string(self):
         con = sqlite.connect(":memory:")
         with self.assertRaises(TypeError):
             con.create_collation(None, lambda x, y: (x > y) - (x < y))
 
-    def CheckCreateCollationNotCallable(self):
+    def test_create_collation_not_callable(self):
         con = sqlite.connect(":memory:")
         with self.assertRaises(TypeError) as cm:
             con.create_collation("X", 42)
         self.assertEqual(str(cm.exception), 'parameter must be callable')
 
-    def CheckCreateCollationNotAscii(self):
+    def test_create_collation_not_ascii(self):
         con = sqlite.connect(":memory:")
         with self.assertRaises(sqlite.ProgrammingError):
             con.create_collation("collä", lambda x, y: (x > y) - (x < y))
 
-    def CheckCreateCollationBadUpper(self):
+    def test_create_collation_bad_upper(self):
         class BadUpperStr(str):
             def upper(self):
                 return None
@@ -61,7 +61,7 @@ class CollationTests(unittest.TestCase):
         self.assertEqual(result[0][0], 'b')
         self.assertEqual(result[1][0], 'a')
 
-    def CheckCollationIsUsed(self):
+    def test_collation_is_used(self):
         def mycoll(x, y):
             # reverse order
             return -((x > y) - (x < y))
@@ -86,7 +86,7 @@ class CollationTests(unittest.TestCase):
             result = con.execute(sql).fetchall()
         self.assertEqual(str(cm.exception), 'no such collation sequence: mycoll')
 
-    def CheckCollationReturnsLargeInteger(self):
+    def test_collation_returns_large_integer(self):
         def mycoll(x, y):
             # reverse order
             return -((x > y) - (x < y)) * 2**32
@@ -105,7 +105,7 @@ class CollationTests(unittest.TestCase):
         self.assertEqual(result, [('c',), ('b',), ('a',)],
                          msg="the expected order was not returned")
 
-    def CheckCollationRegisterTwice(self):
+    def test_collation_register_twice(self):
         """
         Register two different collation functions under the same name.
         Verify that the last one is actually used.
@@ -119,7 +119,7 @@ class CollationTests(unittest.TestCase):
         self.assertEqual(result[0][0], 'b')
         self.assertEqual(result[1][0], 'a')
 
-    def CheckDeregisterCollation(self):
+    def test_deregister_collation(self):
         """
         Register a collation, then deregister it. Make sure an error is raised if we try
         to use it.
@@ -132,7 +132,7 @@ class CollationTests(unittest.TestCase):
         self.assertEqual(str(cm.exception), 'no such collation sequence: mycoll')
 
 class ProgressTests(unittest.TestCase):
-    def CheckProgressHandlerUsed(self):
+    def test_progress_handler_used(self):
         """
         Test that the progress handler is invoked once it is set.
         """
@@ -148,7 +148,7 @@ class ProgressTests(unittest.TestCase):
         self.assertTrue(progress_calls)
 
 
-    def CheckOpcodeCount(self):
+    def test_opcode_count(self):
         """
         Test that the opcode argument is respected.
         """
@@ -171,7 +171,7 @@ class ProgressTests(unittest.TestCase):
         second_count = len(progress_calls)
         self.assertGreaterEqual(first_count, second_count)
 
-    def CheckCancelOperation(self):
+    def test_cancel_operation(self):
         """
         Test that returning a non-zero value stops the operation in progress.
         """
@@ -185,7 +185,7 @@ class ProgressTests(unittest.TestCase):
             curs.execute,
             "create table bar (a, b)")
 
-    def CheckClearHandler(self):
+    def test_clear_handler(self):
         """
         Test that setting the progress handler to None clears the previously set handler.
         """
@@ -201,7 +201,7 @@ class ProgressTests(unittest.TestCase):
         self.assertEqual(action, 0, "progress handler was not cleared")
 
 class TraceCallbackTests(unittest.TestCase):
-    def CheckTraceCallbackUsed(self):
+    def test_trace_callback_used(self):
         """
         Test that the trace callback is invoked once it is set.
         """
@@ -214,7 +214,7 @@ class TraceCallbackTests(unittest.TestCase):
         self.assertTrue(traced_statements)
         self.assertTrue(any("create table foo" in stmt for stmt in traced_statements))
 
-    def CheckClearTraceCallback(self):
+    def test_clear_trace_callback(self):
         """
         Test that setting the trace callback to None clears the previously set callback.
         """
@@ -227,7 +227,7 @@ class TraceCallbackTests(unittest.TestCase):
         con.execute("create table foo(a, b)")
         self.assertFalse(traced_statements, "trace callback was not cleared")
 
-    def CheckUnicodeContent(self):
+    def test_unicode_content(self):
         """
         Test that the statement can contain unicode literals.
         """
@@ -244,7 +244,7 @@ class TraceCallbackTests(unittest.TestCase):
                         "Unicode data %s garbled in trace callback: %s"
                         % (ascii(unicode_value), ', '.join(map(ascii, traced_statements))))
 
-    def CheckTraceCallbackContent(self):
+    def test_trace_callback_content(self):
         # set_trace_callback() shouldn't produce duplicate content (bpo-26187)
         traced_statements = []
         def trace(statement):
@@ -264,10 +264,14 @@ class TraceCallbackTests(unittest.TestCase):
 
 
 def suite():
-    collation_suite = unittest.makeSuite(CollationTests, "Check")
-    progress_suite = unittest.makeSuite(ProgressTests, "Check")
-    trace_suite = unittest.makeSuite(TraceCallbackTests, "Check")
-    return unittest.TestSuite((collation_suite, progress_suite, trace_suite))
+    tests = [
+        CollationTests,
+        ProgressTests,
+        TraceCallbackTests,
+    ]
+    return unittest.TestSuite(
+        [unittest.TestLoader().loadTestsFromTestCase(t) for t in tests]
+    )
 
 def test():
     runner = unittest.TextTestRunner()