Bug 1635930 - Activate a layer when its options are used. r=sparky,tarek

Differential Revision: https://phabricator.services.mozilla.com/D83551

python/mozperftest/mozperftest/argparser.py

@@ -126,3 +126,19 @@ class PerftestArgumentParser(ArgumentParser):
             self.add_argument(name, **options)
 
         mozlog.commandline.add_logging_group(self)
+
+    def parse_helper(self, args):
+        for arg in args:
+            arg_part = arg.partition("--")[-1].partition("-")
+            layer_name = f"--{arg_part[0]}"
+            layer_exists = arg_part[1] and layer_name in Options.args
+            if layer_exists:
+                args.append(layer_name)
+
+    def parse_args(self, args=None, namespace=None):
+        self.parse_helper(args)
+        return super().parse_args(args, namespace)
+
+    def parse_known_args(self, args=None, namespace=None):
+        self.parse_helper(args)
+        return super().parse_known_args(args, namespace)

python/mozperftest/mozperftest/tests/test_argparser.py

@@ -23,6 +23,16 @@ def test_options():
     )
 
 
+def test_layer_option():
+    parser = PerftestArgumentParser()
+    assert parser.parse_args(["--notebook-metrics"]) == parser.parse_args(
+        ["--notebook-metrics", "--notebook"]
+    )
+    assert parser.parse_known_args(["--notebook-metrics"]) == parser.parse_known_args(
+        ["--notebook-metrics", "--notebook"]
+    )
+
+
 def test_bad_test_date():
     parser = PerftestArgumentParser()
     args = ["test_one.js", "--test-date", "bleh"]