1 files changed, 144 insertions, 0 deletions
diff --git a/testing/mozbase/mozprocess/tests/test_kill.py b/testing/mozbase/mozprocess/tests/test_kill.py
new file mode 100644
index 0000000000..bba19f6fe8
--- /dev/null
+++ b/testing/mozbase/mozprocess/tests/test_kill.py
@@ -0,0 +1,144 @@
+#!/usr/bin/env python
+
+import os
+import signal
+import sys
+import time
+import unittest
+
+import mozunit
+import proctest
+from mozprocess import processhandler
+
+here = os.path.dirname(os.path.abspath(__file__))
+
+
+class ProcTestKill(proctest.ProcTest):
+    """Class to test various process tree killing scenatios"""
+
+    def test_kill_before_run(self):
+        """Process is not started, and kill() is called"""
+
+        p = processhandler.ProcessHandler([self.python, "-V"])
+        self.assertRaises(RuntimeError, p.kill)
+
+    def test_process_kill(self):
+        """Process is started, we kill it"""
+
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_finish.ini"], cwd=here
+        )
+        p.run()
+        p.kill()
+
+        self.determine_status(p, expectedfail=("returncode",))
+
+    def test_process_kill_deep(self):
+        """Process is started, we kill it, we use a deep process tree"""
+
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_deep.ini"], cwd=here
+        )
+        p.run()
+        p.kill()
+
+        self.determine_status(p, expectedfail=("returncode",))
+
+    def test_process_kill_deep_wait(self):
+        """Process is started, we use a deep process tree, we let it spawn
+        for a bit, we kill it"""
+
+        myenv = None
+        # On macosx1014, subprocess fails to find `six` when run with python3.
+        # This ensures that subprocess first looks to sys.path to find `six`.
+        # See https://bugzilla.mozilla.org/show_bug.cgi?id=1562083
+        if sys.platform == "darwin" and sys.version_info[0] > 2:
+            myenv = os.environ.copy()
+            myenv["PYTHONPATH"] = ":".join(sys.path)
+
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_deep.ini"],
+            cwd=here,
+            env=myenv,
+        )
+        p.run()
+        # Let the tree spawn a bit, before attempting to kill
+        time.sleep(3)
+        p.kill()
+
+        self.determine_status(p, expectedfail=("returncode",))
+
+    def test_process_kill_broad(self):
+        """Process is started, we kill it, we use a broad process tree"""
+
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_broad.ini"], cwd=here
+        )
+        p.run()
+        p.kill()
+
+        self.determine_status(p, expectedfail=("returncode",))
+
+    def test_process_kill_broad_delayed(self):
+        """Process is started, we use a broad process tree, we let it spawn
+        for a bit, we kill it"""
+
+        myenv = None
+        # On macosx1014, subprocess fails to find `six` when run with python3.
+        # This ensures that subprocess first looks to sys.path to find `six`.
+        # See https://bugzilla.mozilla.org/show_bug.cgi?id=1562083
+        if sys.platform == "darwin" and sys.version_info[0] > 2:
+            myenv = os.environ.copy()
+            myenv["PYTHONPATH"] = ":".join(sys.path)
+
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_broad.ini"],
+            cwd=here,
+            env=myenv,
+        )
+        p.run()
+        # Let the tree spawn a bit, before attempting to kill
+        time.sleep(3)
+        p.kill()
+
+        self.determine_status(p, expectedfail=("returncode",))
+
+    @unittest.skipUnless(processhandler.isPosix, "posix only")
+    def test_process_kill_with_sigterm(self):
+        script = os.path.join(here, "scripts", "infinite_loop.py")
+        p = processhandler.ProcessHandler([self.python, script])
+
+        p.run()
+        p.kill()
+
+        self.assertEqual(p.proc.returncode, -signal.SIGTERM)
+
+    @unittest.skipUnless(processhandler.isPosix, "posix only")
+    def test_process_kill_with_sigint_if_needed(self):
+        script = os.path.join(here, "scripts", "infinite_loop.py")
+        p = processhandler.ProcessHandler([self.python, script, "deadlock"])
+
+        p.run()
+        time.sleep(1)
+        p.kill()
+
+        self.assertEqual(p.proc.returncode, -signal.SIGKILL)
+
+    @unittest.skipUnless(processhandler.isPosix, "posix only")
+    def test_process_kill_with_timeout(self):
+        script = os.path.join(here, "scripts", "ignore_sigterm.py")
+        p = processhandler.ProcessHandler([self.python, script])
+
+        p.run()
+        time.sleep(1)
+        t0 = time.time()
+        p.kill(sig=signal.SIGTERM, timeout=2)
+        self.assertEqual(p.proc.returncode, None)
+        self.assertGreaterEqual(time.time(), t0 + 2)
+
+        p.kill(sig=signal.SIGKILL)
+        self.assertEqual(p.proc.returncode, -signal.SIGKILL)
+
+
+if __name__ == "__main__":
+    mozunit.main()