Fixed several hack classes build to simulate file descriptors

Now there is a single class, StdSim in utils.py, which is intended to simulate stdout and stderr file objects.

This class replaced the following:
- pyscript_bridge.py::CopyStream
- transcript.py::OutputTrap
- conftest.py::StdOut

1 files changed, 7 insertions, 5 deletions

diff --git a/tests/test_autocompletion.py b/tests/test_autocompletion.py
index 8aa26e0e..8035587a 100644
--- a/tests/test_autocompletion.py
+++ b/tests/test_autocompletion.py
@@ -1,3 +1,4 @@
+# coding=utf-8
 """
 Unit/functional testing for argparse completer in cmd2
 
@@ -5,16 +6,17 @@ Copyright 2018 Eric Lin <anselor@gmail.com>
 Released under MIT license, see LICENSE file
 """
 import pytest
-from .conftest import run_cmd, normalize, StdOut, complete_tester
+
+from cmd2.utils import StdSim
+from .conftest import run_cmd, normalize, complete_tester
 
 from examples.tab_autocompletion import TabCompleteExample
 
 @pytest.fixture
 def cmd2_app():
-    c = TabCompleteExample()
-    c.stdout = StdOut()
-
-    return c
+    app = TabCompleteExample()
+    app.stdout = StdSim(app.stdout)
+    return app
 
 
 SUGGEST_HELP = '''Usage: suggest -t {movie, show} [-h] [-d DURATION{1..2}]