rqt_robot_dashboard) unit test for the pull req

#21.

rqt_robot_dashboard/test/test_battery_dash_widget.py

@@ -0,0 +1,77 @@
+#!/usr/bin/python
+
+# Software License Agreement (BSD License)
+#
+# Copyright (c) 2013, Willow Garage, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following
+# disclaimer in the documentation and/or other materials provided
+# with the distribution.
+# * Neither the name of Willow Garage, Inc. nor the names of its
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# Author: Isaac Saito
+
+import unittest
+
+from python_qt_binding.QtGui import QApplication
+
+from rqt_robot_dashboard.battery_dash_widget import BatteryDashWidget
+
+class TestBatteryDashWidget(unittest.TestCase):
+    """
+    @author: Isaac Saito
+    """
+    _WIDGET_NAME = 'Title sample'
+    _widget = None
+
+    def setUp(self):
+        unittest.TestCase.setUp(self)
+        #self._item = TreenodeQstdItem(self._nodename, 0) # For unknown reason this
+                                                       # stops operation.
+        self._widget = BatteryDashWidget(self._WIDGET_NAME)
+
+    def tearDown(self):
+        #print 'Debug) in tearDown dict: {}'.format(self._widget.__dict__)
+
+        unittest.TestCase.tearDown(self)
+        del self._widget
+
+    def test_update_time(self):
+        val = '0.41'
+        self._widget.update_time(val)
+
+        print 'toolTip={} name={}'.format(self._widget.toolTip(),
+                                          self._widget.name)
+        comp = "%s: %.2f%% remaining" % (self._WIDGET_NAME, float(val))
+        tool_tip = self._widget.toolTip()
+        self.assertEqual(comp, tool_tip)
+
+
+if __name__ == '__main__':
+    argv = ['']
+    app = QApplication(argv)
+
+    unittest.main()