adding first draft of tests for all examples, they need comments and clean up, some could be made more rebust

examples/test/test_bind.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+
+"""TEST"""
+
+import unittest
+import pexpect
+from time import sleep
+from mininet.log import setLogLevel
+from mininet.clean import cleanup, sh
+
+class testBind( unittest.TestCase ):
+    "Test ping with single switch topology (common code)."
+
+    prompt = 'mininet>'
+
+    def connected( self, ip ):
+        "check connected"
+        p = pexpect.spawn( 'ssh -i /tmp/ssh/test_rsa %s' % ip )
+        while True:
+            index = p.expect( self.opts )
+            if index == 0:
+                print p.match.group(0)
+                p.sendline( 'yes' )
+            elif index == 1:
+                return False
+            elif index == 2:
+                p.sendline( 'exit' )
+                p.wait()    
+                return True
+            else:
+                return False
+
+    def setUp( self ):
+        self.net = pexpect.spawn( 'python -m mininet.examples.bind' )
+        self.net.expect( "Private Directories: \[([\w\s,'/]+)\]" )
+        self.directories = []
+        # parse directories from mn output
+        for d in self.net.match.group(1).split(', '):
+            self.directories.append( d.strip("'") )
+        self.net.expect( self.prompt )
+        self.assertTrue( len( self.directories ) > 0 )
+
+    def testCreateFile( self ):
+        fileName = 'a.txt'
+        directory = self.directories[ 0 ]
+        self.net.sendline( 'h1 touch %s/%s; ls %s' % ( directory, fileName, directory ) )
+        index = self.net.expect( [ fileName, self.prompt ] )
+        self.assertTrue( index == 0 )
+
+    # TODO: need more tests
+
+    def tearDown( self ):
+        self.net.sendline( 'exit' )
+        self.net.wait()
+
+if __name__ == '__main__':
+    setLogLevel( 'warning' )
+    unittest.main()
+