1 files changed, 46 insertions, 0 deletions
diff --git a/testing/mozbase/mozprocess/tests/test_pid.py b/testing/mozbase/mozprocess/tests/test_pid.py
new file mode 100644
index 0000000000..ddc352db13
--- /dev/null
+++ b/testing/mozbase/mozprocess/tests/test_pid.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+
+import os
+
+import mozunit
+import proctest
+from mozprocess import processhandler
+
+here = os.path.dirname(os.path.abspath(__file__))
+
+
+class ProcTestPid(proctest.ProcTest):
+    """Class to test process pid."""
+
+    def test_pid_before_run(self):
+        """Process is not started, and pid is checked."""
+        p = processhandler.ProcessHandler([self.python])
+        with self.assertRaises(RuntimeError):
+            p.pid
+
+    def test_pid_while_running(self):
+        """Process is started, and pid is checked."""
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_finish.ini"], cwd=here
+        )
+        p.run()
+
+        self.assertIsNotNone(p.pid)
+
+        self.determine_status(p, True)
+        p.kill()
+
+    def test_pid_after_kill(self):
+        """Process is killed, and pid is checked."""
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_finish.ini"], cwd=here
+        )
+        p.run()
+        p.kill()
+
+        self.assertIsNotNone(p.pid)
+        self.determine_status(p)
+
+
+if __name__ == "__main__":
+    mozunit.main()