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