Fake console for simple Ethernet switch

Fix #454

tests/utils/asyncio/test_embed_shell.py

@@ -0,0 +1,75 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2017 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import asyncio
+
+from gns3server.utils.asyncio.embed_shell import EmbedShell
+
+
+def test_embed_shell_help(async_run):
+    class Application(EmbedShell):
+
+        @asyncio.coroutine
+        def hello(self):
+            """
+            The hello world function
+
+            The hello usage
+            """
+            pass
+    reader = asyncio.StreamReader()
+    writer = asyncio.StreamReader()
+    app = Application(reader, writer)
+    assert async_run(app._parse_command('help')) == 'Help:\nhello: The hello world function\nhelp: Show help\n\nhelp command for details about a command\n'
+    assert async_run(app._parse_command('?')) == 'Help:\nhello: The hello world function\nhelp: Show help\n\nhelp command for details about a command\n'
+    assert async_run(app._parse_command('? hello')) == 'hello: The hello world function\n\nThe hello usage\n'
+
+
+def test_embed_shell_execute(async_run):
+    class Application(EmbedShell):
+
+        @asyncio.coroutine
+        def hello(self):
+            """
+            The hello world function
+
+            The hello usage
+            """
+            return 'world'
+    reader = asyncio.StreamReader()
+    writer = asyncio.StreamReader()
+    app = Application(reader, writer)
+    assert async_run(app._parse_command('hello')) == 'world'
+
+
+def test_embed_shell_welcome(async_run, loop):
+    reader = asyncio.StreamReader()
+    writer = asyncio.StreamReader()
+    app = EmbedShell(reader, writer, welcome_message="Hello")
+    t = loop.create_task(app.run())
+    assert async_run(writer.read(5)) == b"Hello"
+    t.cancel()
+
+
+def test_embed_shell_prompt(async_run, loop):
+    reader = asyncio.StreamReader()
+    writer = asyncio.StreamReader()
+    app = EmbedShell(reader, writer)
+    app.prompt = "gbash# "
+    t = loop.create_task(app.run())
+    assert async_run(writer.read(7)) == b"gbash# "
+    t.cancel()