Merge pull request #150 from python-cmd2/pipe_improvement

Pipe improvement

1 files changed, 18 insertions, 7 deletions

diff --git a/tests/test_cmd2.py b/tests/test_cmd2.py
index adf47d31..d294cd90 100644
--- a/tests/test_cmd2.py
+++ b/tests/test_cmd2.py
@@ -402,15 +402,26 @@ def test_input_redirection(base_app, request):
 
 
 def test_pipe_to_shell(base_app):
-    # Get help on help and pipe it's output to the input of the word count shell command
-    out = run_cmd(base_app, 'help help | wc')
-
     if sys.platform == "win32":
-        expected = normalize("1      11      71")
+        # Windows
+        # Get help menu and pipe it's output to the sort shell command
+        out = run_cmd(base_app, 'help | sort')
+        expected = ['', '', '_relative_load  edit  history  pause  pyscript  run   set    shortcuts',
+                    '========================================',
+                    'cmdenvironment  help  load     py     quit      save  shell  show',
+                    'Documented commands (type help <topic>):']
+        assert out == expected
     else:
-        expected = normalize("1      11      70")
-
-    assert out[0].strip() == expected[0].strip()
+        # Mac and Linux
+        # Get help on help and pipe it's output to the input of the word count shell command
+        out = run_cmd(base_app, 'help help | wc')
+
+        # Mac and Linux wc behave the same when piped from shell, but differently when piped stdin from file directly
+        if sys.platform == 'darwin':
+            expected = normalize("1      11      70")
+        else:
+            expected = normalize("1 11 70")
+        assert out[0].strip() == expected[0].strip()
 
 
 def test_send_to_paste_buffer(base_app):