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-rw-r--r--testing/mozbase/mozprocess/tests/test_process_reader.py101
1 files changed, 101 insertions, 0 deletions
diff --git a/testing/mozbase/mozprocess/tests/test_process_reader.py b/testing/mozbase/mozprocess/tests/test_process_reader.py
new file mode 100644
index 000000000..0cf84d9a4
--- /dev/null
+++ b/testing/mozbase/mozprocess/tests/test_process_reader.py
@@ -0,0 +1,101 @@
+import unittest
+import subprocess
+import sys
+from mozprocess.processhandler import ProcessReader, StoreOutput
+
+
+def run_python(str_code, stdout=subprocess.PIPE, stderr=subprocess.PIPE):
+ cmd = [sys.executable, '-c', str_code]
+ return subprocess.Popen(cmd, stdout=stdout, stderr=stderr)
+
+
+class TestProcessReader(unittest.TestCase):
+
+ def setUp(self):
+ self.out = StoreOutput()
+ self.err = StoreOutput()
+ self.finished = False
+
+ def on_finished():
+ self.finished = True
+ self.timeout = False
+
+ def on_timeout():
+ self.timeout = True
+ self.reader = ProcessReader(stdout_callback=self.out,
+ stderr_callback=self.err,
+ finished_callback=on_finished,
+ timeout_callback=on_timeout)
+
+ def test_stdout_callback(self):
+ proc = run_python('print 1; print 2')
+ self.reader.start(proc)
+ self.reader.thread.join()
+
+ self.assertEqual(self.out.output, ['1', '2'])
+ self.assertEqual(self.err.output, [])
+
+ def test_stderr_callback(self):
+ proc = run_python('import sys; sys.stderr.write("hello world\\n")')
+ self.reader.start(proc)
+ self.reader.thread.join()
+
+ self.assertEqual(self.out.output, [])
+ self.assertEqual(self.err.output, ['hello world'])
+
+ def test_stdout_and_stderr_callbacks(self):
+ proc = run_python('import sys; sys.stderr.write("hello world\\n"); print 1; print 2')
+ self.reader.start(proc)
+ self.reader.thread.join()
+
+ self.assertEqual(self.out.output, ['1', '2'])
+ self.assertEqual(self.err.output, ['hello world'])
+
+ def test_finished_callback(self):
+ self.assertFalse(self.finished)
+ proc = run_python('')
+ self.reader.start(proc)
+ self.reader.thread.join()
+ self.assertTrue(self.finished)
+
+ def test_timeout(self):
+ self.reader.timeout = 0.05
+ self.assertFalse(self.timeout)
+ proc = run_python('import time; time.sleep(0.1)')
+ self.reader.start(proc)
+ self.reader.thread.join()
+ self.assertTrue(self.timeout)
+ self.assertFalse(self.finished)
+
+ def test_output_timeout(self):
+ self.reader.output_timeout = 0.05
+ self.assertFalse(self.timeout)
+ proc = run_python('import time; time.sleep(0.1)')
+ self.reader.start(proc)
+ self.reader.thread.join()
+ self.assertTrue(self.timeout)
+ self.assertFalse(self.finished)
+
+ def test_read_without_eol(self):
+ proc = run_python('import sys; sys.stdout.write("1")')
+ self.reader.start(proc)
+ self.reader.thread.join()
+ self.assertEqual(self.out.output, ['1'])
+
+ def test_read_with_strange_eol(self):
+ proc = run_python('import sys; sys.stdout.write("1\\r\\r\\r\\n")')
+ self.reader.start(proc)
+ self.reader.thread.join()
+ self.assertEqual(self.out.output, ['1'])
+
+ def test_mixed_stdout_stderr(self):
+ proc = run_python('import sys; sys.stderr.write("hello world\\n"); print 1; print 2',
+ stderr=subprocess.STDOUT)
+ self.reader.start(proc)
+ self.reader.thread.join()
+
+ self.assertEqual(sorted(self.out.output), sorted(['1', '2', 'hello world']))
+ self.assertEqual(self.err.output, [])
+
+if __name__ == '__main__':
+ unittest.main()