Add third_party/pexpect

third_party/pexpect/tests/test_interact.py

Index: third_party/pexpect/tests/test_interact.py
diff --git a/third_party/pexpect/tests/test_interact.py b/third_party/pexpect/tests/test_interact.py
new file mode 100644
index 0000000000000000000000000000000000000000..865353b71515a7d04c0473c454358bfd4813e2de
--- /dev/null
+++ b/third_party/pexpect/tests/test_interact.py
@@ -0,0 +1,101 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+'''
+PEXPECT LICENSE
+
+    This license is approved by the OSI and FSF as GPL-compatible.
+        http://opensource.org/licenses/isc-license.txt
+
+    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
+    PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
+    PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
+    COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+'''
+from __future__ import print_function
+from __future__ import unicode_literals
+
+import os
+import pexpect
+import unittest
+import sys
+from . import PexpectTestCase
+
+
+class InteractTestCase (PexpectTestCase.PexpectTestCase):
+    def setUp(self):
+        super(InteractTestCase, self).setUp()
+        self.env = env = os.environ.copy()
+
+        # Ensure 'import pexpect' works in subprocess interact*.py
+        if 'PYTHONPATH' in env:
+            env['PYTHONPATH'] = os.pathsep.join((self.project_dir,
+                                                    env['PYTHONPATH']))
+        else:
+            env['PYTHONPATH'] = self.project_dir
+
+        self.interact_py = ('{sys.executable} interact.py'.format(sys=sys))
+
+    def test_interact_escape(self):
+        " Ensure `escape_character' value exits interactive mode. "
+        p = pexpect.spawn(self.interact_py, timeout=5, env=self.env)
+        p.expect('READY')
+        p.sendcontrol(']')  # chr(29), the default `escape_character'
+                            # value of pexpect.interact().
+        p.expect_exact('Escaped interact')
+        p.expect(pexpect.EOF)
+        assert not p.isalive()
+        assert p.exitstatus == 0
+
+    def test_interact_escape_None(self):
+        " Return only after Termination when `escape_character=None'. "
+        p = pexpect.spawn('{self.interact_py} --no-escape'.format(self=self),
+                          timeout=5, env=self.env)
+        p.expect('READY')
+        p.sendcontrol(']')
+        p.expect('29<STOP>')
+        p.send('\x00')
+        if not os.environ.get('TRAVIS', None):
+            # on Travis-CI, we sometimes miss trailing stdout from the
+            # chain of child processes, not entirely sure why. So this
+            # is skipped on such systems.
+            p.expect('0<STOP>')
+            p.expect_exact('Escaped interact')
+        p.expect(pexpect.EOF)
+        assert not p.isalive()
+        assert p.exitstatus == 0
+
+    def test_interact_exit_unicode(self):
+        " Ensure subprocess receives utf8. "
+        p = pexpect.spawnu('{self.interact_py} --utf8'.format(self=self),
+                           timeout=5, env=self.env)
+        p.expect('READY')
+        p.send('ɑ')              # >>> map(ord, u'ɑ'.encode('utf8'))
+        p.expect('201<STOP>')    # [201, 145]
+        p.expect('145<STOP>')
+        p.send('Β')              # >>> map(ord, u'Β'.encode('utf8'))
+        p.expect('206<STOP>')    # [206, 146]
+        p.expect('146<STOP>')
+        p.send('\x00')
+        if not os.environ.get('TRAVIS', None):
+            # on Travis-CI, we sometimes miss trailing stdout from the
+            # chain of child processes, not entirely sure why. So this
+            # is skipped on such systems.
+            p.expect('0<STOP>')
+            p.expect_exact('Escaped interact')
+        p.expect(pexpect.EOF)
+        assert not p.isalive()
+        assert p.exitstatus == 0
+
+if __name__ == '__main__':
+    unittest.main()
+
+suite = unittest.makeSuite(InteractTestCase, 'test')
+