[testrunner] add tests for loading TestSuite from disk

- Removed the old test.
- Created a fake test suite and added a test for loading it with a TestConfig

R=machenbach@chromium.org
CC=​​yangguo@chromium.org,sergiyb@chromium.org

Bug: v8:8174
Change-Id: Ib7587ceec9e31ecd4cb8f45c3158e73c79a9bc5b
Reviewed-on: https://chromium-review.googlesource.com/c/1396082Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Tamer Tas <tmrts@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58593}

tools/testrunner/local/fake_testsuite/testcfg.py

+#!/usr/bin/env python
+# Copyright 2019 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import sys
+
+from testrunner.local import testsuite
+
+
+class TestSuite(testsuite.TestSuite):
+  pass
+
+def GetSuite(*args, **kwargs):
+  return TestSuite(*args, **kwargs)

tools/testrunner/local/testsuite_unittest.py

@@ -5,6 +5,7 @@
 
 import os
 import sys
+import tempfile
 import unittest
 
 # Needed because the test runner contains relative imports.
@@ -14,25 +15,36 @@ sys.path.append(TOOLS_PATH)
 
 from testrunner.local.testsuite import TestSuite
 from testrunner.objects.testcase import TestCase
+from testrunner.test_config import TestConfig
 
 
 class TestSuiteTest(unittest.TestCase):
-  def test_fail_ok_outcome(self):
-    suite = TestSuite('foo', 'bar')
-    suite.rules = {
-      '': {
-        'foo/bar': set(['FAIL_OK']),
-        'baz/bar': set(['FAIL']),
-      },
-    }
-    suite.prefix_rules = {}
-    suite.tests = [
-      TestCase(suite, 'foo/bar', 'foo/bar'),
-      TestCase(suite, 'baz/bar', 'baz/bar'),
-    ]
-
-    for t in suite.tests:
-      self.assertEquals(['FAIL'], t.expected_outcomes)
+  def setUp(self):
+    test_dir = os.path.dirname(__file__)
+    self.test_root = os.path.join(test_dir, "fake_testsuite")
+    self.test_config = TestConfig(
+        command_prefix=[],
+        extra_flags=[],
+        isolates=False,
+        mode_flags=[],
+        no_harness=False,
+        noi18n=False,
+        random_seed=0,
+        run_skipped=False,
+        shell_dir='fake_testsuite/fake_d8',
+        timeout=10,
+        verbose=False,
+    )
+
+  def testLoadingTestSuite(self):
+    suite = TestSuite.LoadTestSuite(self.test_root, self.test_config)
+
+    self.assertEquals(suite.name, "fake_testsuite")
+    self.assertEquals(suite.test_config, self.test_config)
+
+    # Verify that no tests are loaded yet.
+    self.assertIsNone(suite.tests)
+    self.assertIsNone(suite.statusfile)
 
 
 if __name__ == '__main__':