1 files changed, 61 insertions, 0 deletions
diff --git a/testing/mozbase/mozrunner/tests/test_start.py b/testing/mozbase/mozrunner/tests/test_start.py
new file mode 100644
index 0000000000..56e01ae84d
--- /dev/null
+++ b/testing/mozbase/mozrunner/tests/test_start.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+
+from time import sleep
+from unittest.mock import patch
+
+import mozunit
+from mozrunner import RunnerNotStartedError
+from pytest import raises
+
+
+def test_start_process(runner):
+    """Start the process and test properties"""
+    assert runner.process_handler is None
+
+    runner.start()
+
+    assert runner.is_running()
+    assert runner.process_handler is not None
+
+
+def test_start_process_called_twice(runner):
+    """Start the process twice and test that first process is gone"""
+    runner.start()
+    # Bug 925480
+    # Make a copy until mozprocess can kill a specific process
+    process_handler = runner.process_handler
+
+    runner.start()
+
+    try:
+        assert process_handler.wait(1) not in [None, 0]
+    finally:
+        process_handler.kill()
+
+
+def test_start_with_timeout(runner):
+    """Start the process and set a timeout"""
+    runner.start(timeout=0.1)
+    sleep(1)
+
+    assert not runner.is_running()
+
+
+def test_start_with_outputTimeout(runner):
+    """Start the process and set a timeout"""
+    runner.start(outputTimeout=0.1)
+    sleep(1)
+
+    assert not runner.is_running()
+
+
+def test_fail_to_start(runner):
+    with patch("mozprocess.ProcessHandler.__init__") as ph_mock:
+        ph_mock.side_effect = Exception("Boom!")
+        with raises(RunnerNotStartedError):
+            runner.start(outputTimeout=0.1)
+            sleep(1)
+
+
+if __name__ == "__main__":
+    mozunit.main()