1 files changed, 39 insertions, 0 deletions
diff --git a/portage_with_autodep/pym/portage/tests/process/test_poll.py b/portage_with_autodep/pym/portage/tests/process/test_poll.py
new file mode 100644
index 0000000..ee6ee0c
--- /dev/null
+++ b/portage_with_autodep/pym/portage/tests/process/test_poll.py
@@ -0,0 +1,39 @@
+# Copyright 1998-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+from portage import os
+from portage.tests import TestCase
+from _emerge.PollScheduler import PollScheduler
+from _emerge.PipeReader import PipeReader
+from _emerge.SpawnProcess import SpawnProcess
+
+class PipeReaderTestCase(TestCase):
+
+	def testPipeReader(self):
+		"""
+		Use a poll loop to read data from a pipe and assert that
+		the data written to the pipe is identical to the data
+		read from the pipe.
+		"""
+
+		test_string = 2 * "blah blah blah\n"
+
+		scheduler = PollScheduler().sched_iface
+		master_fd, slave_fd = os.pipe()
+		master_file = os.fdopen(master_fd, 'rb', 0)
+		slave_file = os.fdopen(slave_fd, 'wb')
+		producer = SpawnProcess(
+			args=["bash", "-c", "echo -n '%s'" % test_string],
+			env=os.environ, fd_pipes={1:slave_fd},
+			scheduler=scheduler)
+		producer.start()
+		slave_file.close()
+
+		consumer = PipeReader(
+			input_files={"producer" : master_file},
+			scheduler=scheduler)
+
+		consumer.start()
+		consumer.wait()
+		output = consumer.getvalue().decode('ascii', 'replace')
+		self.assertEqual(test_string, output)