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# Copyright (c) 2002 by Intevation GmbH
# Authors:
# Bernhard Herzog <bh@intevation.de>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with Thuban for details.
"""
Test the Label and LabelLayer classes
"""
__version__ = "$Revision: 330 $"
# $Source$
# $Id: test_label.py 330 2002-09-20 14:30:34Z bh $
import unittest
import support
support.initthuban()
from Thuban.Model.messages import CHANGED
from Thuban.Model.label import Label, LabelLayer, \
ALIGN_CENTER, ALIGN_BASELINE, ALIGN_LEFT, ALIGN_TOP
class TestLabel(unittest.TestCase):
"""Test cases for the Label class"""
def test(self):
"""Test Label"""
# The label objects are very simple. We just have to test
# whether instantiating one assigns the correct values to the
# instance variables
label = Label(10.5, 234567.0, "Label Text",
ALIGN_CENTER, ALIGN_BASELINE)
self.assertEquals(label.x, 10.5)
self.assertEquals(label.y, 234567.0)
self.assertEquals(label.text, "Label Text")
self.assertEquals(label.halign, ALIGN_CENTER)
self.assertEquals(label.valign, ALIGN_BASELINE)
class TestLabelLayer(unittest.TestCase, support.SubscriberMixin):
"""Test cases for LabelLayer"""
def setUp(self):
"""Clear the messages list and create a LabelLayer as self.layer
"""
self.clear_messages()
self.layer = LabelLayer("A Label Layer")
self.layer.Subscribe(CHANGED, self.subscribe_with_params, CHANGED)
def tearDown(self):
"""Clear the messages list and explictly destroy self.layer"""
self.layer.Destroy()
self.clear_messages()
def test_initial_state(self):
"""Test LabelLayer's initial state"""
self.failIf(self.layer.WasModified())
self.assertEquals(self.layer.Title(), "A Label Layer")
self.assertEquals(self.layer.Labels(), [])
self.check_messages([])
def test_methods(self):
"""Test LabelLayer methods"""
# first add a label
self.layer.AddLabel(10.5, 234567.0, "Label Text")
self.check_messages([(CHANGED,)])
self.assertEquals(self.layer.Labels()[0].text, "Label Text")
self.assert_(self.layer.WasModified())
# add another one
self.layer.AddLabel(-1000.125, 987654.0, "Another Label",
ALIGN_LEFT, ALIGN_TOP)
self.check_messages([(CHANGED,),
(CHANGED,)])
self.assertEquals(self.layer.Labels()[0].text, "Label Text")
self.assertEquals(self.layer.Labels()[1].text, "Another Label")
# remove one
self.layer.RemoveLabel(0)
self.check_messages([(CHANGED,),
(CHANGED,),
(CHANGED,)])
self.assertEquals(self.layer.Labels()[0].text, "Another Label")
if __name__ == "__main__":
unittest.main()
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