buildman: Make use of test_util

Use test_util to run the tests, with the ability to select a single test
to run, if desired.

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

tools/buildman/main.py

@@ -27,30 +27,26 @@ from buildman import toolchain
 from patman import patchstream
 from patman import gitutil
 from patman import terminal
+from patman import test_util
 
-def RunTests(skip_net_tests):
+def RunTests(skip_net_tests, verboose, args):
     import func_test
     import test
     import doctest
 
     result = unittest.TestResult()
-    for module in ['buildman.toolchain', 'patman.gitutil']:
-        suite = doctest.DocTestSuite(module)
-        suite.run(result)
-
-    sys.argv = [sys.argv[0]]
+    test_name = args and args[0] or None
     if skip_net_tests:
         test.use_network = False
-    for module in (test.TestBuild, func_test.TestFunctional):
-        suite = unittest.TestLoader().loadTestsFromTestCase(module)
-        suite.run(result)
 
-    print(result)
-    for test, err in result.errors:
-        print(err)
-    for test, err in result.failures:
-        print(err)
+    # Run the entry tests first ,since these need to be the first to import the
+    # 'entry' module.
+    test_util.RunTestSuites(
+        result, False, verboose, False, None, test_name, [],
+        [test.TestBuild, func_test.TestFunctional,
+         'buildman.toolchain', 'patman.gitutil'])
 
+    return test_util.ReportResult('buildman', test_name, result)
 
 options, args = cmdline.ParseArgs()
 
@@ -59,7 +55,7 @@ if not options.debug:
 
 # Run our meagre tests
 if options.test:
-    RunTests(options.skip_net_tests)
+    RunTests(options.skip_net_tests, options.verbose, args)
 
 # Build selected commits for selected boards
 else: