Overwrite test-file-name in test config.

If the install apk name is different than the module name, use
test_config_fixer to update the test-file-name value in the config.

Test: app_test.go
Fixes: 147375216
Change-Id: I2141eeebbb3552995400b45634712306673fd812

scripts/test_config_fixer.py

@@ -37,6 +37,8 @@ def parse_args():
                       help=('AndroidManifest.xml that contains the original package name'))
   parser.add_argument('--package-name', default='', dest='package_name',
                       help=('overwrite package fields in the test config'))
+  parser.add_argument('--test-file-name', default='', dest='test_file_name',
+                      help=('overwrite test file name in the test config'))
   parser.add_argument('input', help='input test config file')
   parser.add_argument('output', help='output test config file')
   return parser.parse_args()
@@ -46,7 +48,6 @@ def overwrite_package_name(test_config_doc, manifest_doc, package_name):
 
   manifest = parse_manifest(manifest_doc)
   original_package = manifest.getAttribute('package')
-  print('package: ' + original_package)
 
   test_config = parse_test_config(test_config_doc)
   tests = get_children_with_tag(test_config, 'test')
@@ -57,6 +58,18 @@ def overwrite_package_name(test_config_doc, manifest_doc, package_name):
       if option.getAttribute('name') == "package" and option.getAttribute('value') == original_package:
         option.setAttribute('value', package_name)
 
+def overwrite_test_file_name(test_config_doc, test_file_name):
+
+  test_config = parse_test_config(test_config_doc)
+  tests = get_children_with_tag(test_config, 'target_preparer')
+
+  for test in tests:
+    if test.getAttribute('class') == "com.android.tradefed.targetprep.TestAppInstallSetup":
+      options = get_children_with_tag(test, 'option')
+      for option in options:
+        if option.getAttribute('name') == "test-file-name":
+          option.setAttribute('value', test_file_name)
+
 def main():
   """Program entry point."""
   try:
@@ -70,6 +83,9 @@ def main():
       manifest_doc = minidom.parse(args.manifest)
       overwrite_package_name(doc, manifest_doc, args.package_name)
 
+    if args.test_file_name:
+      overwrite_test_file_name(doc, args.test_file_name)
+
     with open(args.output, 'wb') as f:
       write_xml(f, doc)
 

scripts/test_config_fixer_test.py

@@ -67,5 +67,32 @@ class OverwritePackageNameTest(unittest.TestCase):
     self.assertEqual(expected, output.getvalue())
 
 
+class OverwriteTestFileNameTest(unittest.TestCase):
+  """ Unit tests for overwrite_test_file_name function """
+
+  test_config = (
+      '<?xml version="1.0" encoding="utf-8"?>\n'
+      '<configuration description="Runs some tests.">\n'
+      '    <target_preparer class="com.android.tradefed.targetprep.TestAppInstallSetup">\n'
+      '        <option name="test-file-name" value="%s"/>\n'
+      '    </target_preparer>\n'
+      '    <test class="com.android.tradefed.testtype.AndroidJUnitTest">\n'
+      '        <option name="package" value="com.android.foo"/>\n'
+      '        <option name="runtime-hint" value="20s"/>\n'
+      '    </test>\n'
+      '</configuration>\n')
+
+  def test_all(self):
+    doc = minidom.parseString(self.test_config % ("foo.apk"))
+
+    test_config_fixer.overwrite_test_file_name(doc, "bar.apk")
+    output = StringIO.StringIO()
+    test_config_fixer.write_xml(output, doc)
+
+    # Only the matching package name in a test node should be updated.
+    expected = self.test_config % ("bar.apk")
+    self.assertEqual(expected, output.getvalue())
+
+
 if __name__ == '__main__':
   unittest.main(verbosity=2)