1 files changed, 84 insertions, 0 deletions
diff --git a/build/gen_test_packages_manifest.py b/build/gen_test_packages_manifest.py
new file mode 100644
index 0000000000..1e2a7c3bba
--- /dev/null
+++ b/build/gen_test_packages_manifest.py
@@ -0,0 +1,84 @@
+#!/usr/bin/python
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import json
+
+from argparse import ArgumentParser
+
+ALL_HARNESSES = [
+    'common', # Harnesses without a specific package will look here.
+    'mochitest',
+    'reftest',
+    'xpcshell',
+    'cppunittest',
+    'jittest',
+    'mozbase',
+    'web-platform',
+    'talos',
+    'gtest',
+]
+
+PACKAGE_SPECIFIED_HARNESSES = [
+    'cppunittest',
+    'mochitest',
+    'reftest',
+    'xpcshell',
+    'web-platform',
+    'talos',
+]
+
+# These packages are not present for every build configuration.
+OPTIONAL_PACKAGES = [
+    'gtest',
+]
+
+
+def parse_args():
+    parser = ArgumentParser(description='Generate a test_packages.json file to tell automation which harnesses require which test packages.')
+    parser.add_argument("--common", required=True,
+                        action="store", dest="tests_common",
+                        help="Name of the \"common\" archive, a package to be used by all harnesses.")
+    parser.add_argument("--jsshell", required=True,
+                        action="store", dest="jsshell",
+                        help="Name of the jsshell zip.")
+    for harness in PACKAGE_SPECIFIED_HARNESSES:
+        parser.add_argument("--%s" % harness, required=True,
+                            action="store", dest=harness,
+                            help="Name of the %s zip." % harness)
+    for harness in OPTIONAL_PACKAGES:
+        parser.add_argument("--%s" % harness, required=False,
+                            action="store", dest=harness,
+                            help="Name of the %s zip." % harness)
+    parser.add_argument("--dest-file", required=True,
+                        action="store", dest="destfile",
+                        help="Path to the output file to be written.")
+    return parser.parse_args()
+
+
+def generate_package_data(args):
+    # Generate a dictionary mapping test harness names (exactly as they're known to
+    # mozharness and testsuite-targets.mk, ideally) to the set of archive names that
+    # harness depends on to run.
+    # mozharness will use this file to determine what test zips to download,
+    # which will be an optimization once parts of the main zip are split to harness
+    # specific zips.
+    tests_common = args.tests_common
+    jsshell = args.jsshell
+
+    harness_requirements = dict([(k, [tests_common]) for k in ALL_HARNESSES])
+    harness_requirements['jittest'].append(jsshell)
+    for harness in PACKAGE_SPECIFIED_HARNESSES + OPTIONAL_PACKAGES:
+        pkg_name = getattr(args, harness, None)
+        if pkg_name is None:
+            continue
+        harness_requirements[harness].append(pkg_name)
+    return harness_requirements
+
+if __name__ == '__main__':
+    args = parse_args()
+    packages_data = generate_package_data(args)
+    with open(args.destfile, 'w') as of:
+        json.dump(packages_data, of, indent=4)