dtoc: Run tests using test_util

Use the standard function for running tests and reported results. This
allows the tests to run in parallel, which is a significant speed-up on
most machines (e.g. 4.5 seconds -> 1.5s on mine).

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/dtoc/main.py

@@ -38,10 +38,11 @@ sys.path.insert(0, os.path.join(our_path,
 from dtoc import dtb_platdata
 from patman import test_util
 
-def run_tests(args):
+def run_tests(processes, args):
     """Run all the test we have for dtoc
 
     Args:
+        processes: Number of processes to use to run tests (None=same as #CPUs)
         args: List of positional args provided to dtoc. This can hold a test
             name to execute (as in 'dtoc -t test_empty_file', for example)
     """
@@ -50,25 +51,13 @@ def run_tests(args):
     result = unittest.TestResult()
     sys.argv = [sys.argv[0]]
     test_name = args and args[0] or None
-    for module in (test_dtoc.TestDtoc,):
-        if test_name:
-            try:
-                suite = unittest.TestLoader().loadTestsFromName(test_name, module)
-            except AttributeError:
-                continue
-        else:
-            suite = unittest.TestLoader().loadTestsFromTestCase(module)
-        suite.run(result)
 
-    print(result)
-    for _, err in result.errors:
-        print(err)
-    for _, err in result.failures:
-        print(err)
-    if result.errors or result.failures:
-        print('dtoc tests FAILED')
-        return 1
-    return 0
+    test_util.RunTestSuites(
+        result, debug=True, verbosity=1, test_preserve_dirs=False,
+        processes=processes, test_name=test_name, toolpath=[],
+        test_class_list=[test_dtoc.TestDtoc,])
+
+    return test_util.ReportResult('binman', test_name, result)
 
 def RunTestCoverage():
     """Run the tests and check that we get 100% coverage"""
@@ -103,7 +92,7 @@ parser.add_option('-T', '--test-coverage', action='store_true',
 
 # Run our meagre tests
 if options.test:
-    ret_code = run_tests(args)
+    ret_code = run_tests(options.processes, args)
     sys.exit(ret_code)
 
 elif options.test_coverage: