#!/usr/bin/env python
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import os
import sys
import struct
import unittest
import time

class TestRospyValidators(unittest.TestCase):

    def test_ParameterInvalid(self):
        # not really testing anything here other than typos
        from rospy.impl.validators import ParameterInvalid
        self.assert_(isinstance(ParameterInvalid('param'), Exception))
        
    def test_validators(self):
        from rospy.impl.validators import ParameterInvalid
        from rospy.impl.validators import non_empty
        contextes = ['', '/', '/foo']
        for context in contextes:
            valid = ['foo', 1, [1]]
            for v in valid:
                non_empty('param-name')(v, context)
            invalid = ['', 0, []]
            for i in invalid:
                try:
                    non_empty('param-name-foo')(i, context)
                except ParameterInvalid as e:
                    self.assert_('param-name-foo' in str(e))
