1 files changed, 32 insertions, 0 deletions
diff --git a/testing/mozharness/mozharness/mozilla/mozbase.py b/testing/mozharness/mozharness/mozilla/mozbase.py
new file mode 100644
index 0000000000..2dd65c87df
--- /dev/null
+++ b/testing/mozharness/mozharness/mozilla/mozbase.py
@@ -0,0 +1,32 @@
+# 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/.
+
+from __future__ import absolute_import
+import os
+from mozharness.base.script import PreScriptAction
+
+
+class MozbaseMixin(object):
+    """Automatically set virtualenv requirements to use mozbase
+    from test package.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super(MozbaseMixin, self).__init__(*args, **kwargs)
+
+    @PreScriptAction("create-virtualenv")
+    def _install_mozbase(self, action):
+        dirs = self.query_abs_dirs()
+
+        requirements = os.path.join(
+            dirs["abs_test_install_dir"],
+            "config",
+            self.config.get("mozbase_requirements", "mozbase_requirements.txt"),
+        )
+        if not os.path.isfile(requirements):
+            self.fatal(
+                "Could not find mozbase requirements file: {}".format(requirements)
+            )
+
+        self.register_virtualenv_module(requirements=[requirements], two_pass=True)