Test PopenProcess + PipeLogger.

1 files changed, 42 insertions, 2 deletions

diff --git a/pym/portage/tests/process/test_PopenProcess.py b/pym/portage/tests/process/test_PopenProcess.py
index e7654fc8e..5ede164af 100644
--- a/pym/portage/tests/process/test_PopenProcess.py
+++ b/pym/portage/tests/process/test_PopenProcess.py
@@ -2,14 +2,16 @@
 # Distributed under the terms of the GNU General Public License v2
 
 import subprocess
+import tempfile
 
 from portage import os
 from portage.tests import TestCase
+from portage.util._async.PipeLogger import PipeLogger
 from portage.util._async.PopenProcess import PopenProcess
 from portage.util._eventloop.global_event_loop import global_event_loop
 from _emerge.PipeReader import PipeReader
 
-class PopenPipeReaderTestCase(TestCase):
+class PopenPipeTestCase(TestCase):
 	"""
 	Test PopenProcess, which can be useful for Jython support, since it
 	uses the subprocess.Popen instead of os.fork().
@@ -40,9 +42,47 @@ class PopenPipeReaderTestCase(TestCase):
 
 		return consumer.getvalue().decode('ascii', 'replace')
 
-	def testPipeReader(self):
+	def _testPipeLogger(self, test_string):
+
+		producer = PopenProcess(proc=subprocess.Popen(
+			["bash", "-c", self._echo_cmd % test_string],
+			stdout=subprocess.PIPE, stderr=subprocess.STDOUT),
+			scheduler=global_event_loop())
+
+		fd, log_file_path = tempfile.mkstemp()
+		try:
+
+			consumer = PipeLogger(background=True,
+				input_fd=os.dup(producer.proc.stdout.fileno()),
+				log_file_path=log_file_path)
+
+			# Close the stdout pipe, since we duplicated it, and it
+			# must be closed in order to avoid a ResourceWarning.
+			producer.proc.stdout.close()
+			producer.pipe_reader = consumer
+
+			producer.start()
+			producer.wait()
+
+			self.assertEqual(producer.returncode, os.EX_OK)
+			self.assertEqual(consumer.returncode, os.EX_OK)
+
+			with open(log_file_path, 'rb') as f:
+				content = f.read()
+
+		finally:
+			os.close(fd)
+			os.unlink(log_file_path)
+
+		return content.decode('ascii', 'replace')
+
+	def testPopenPipe(self):
 		for x in (1, 2, 5, 6, 7, 8, 2**5, 2**10, 2**12, 2**13, 2**14):
 			test_string = x * "a"
 			output = self._testPipeReader(test_string)
 			self.assertEqual(test_string, output,
 				"x = %s, len(output) = %s" % (x, len(output)))
+
+			output = self._testPipeLogger(test_string)
+			self.assertEqual(test_string, output,
+				"x = %s, len(output) = %s" % (x, len(output)))