/[thuban]/branches/WIP-pyshapelib-bramz/test/test_proj.py
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revision 1821 by bh, Tue Oct 14 13:54:03 2003 UTC revision 1827 by bh, Tue Oct 14 16:04:35 2003 UTC
# Line 23  support.initthuban() Line 23  support.initthuban()
23  from Thuban import _  from Thuban import _
24  from Thuban.Model.proj import Projection, ProjFile, \  from Thuban.Model.proj import Projection, ProjFile, \
25       PROJ_UNITS_METERS, PROJ_UNITS_DEGREES       PROJ_UNITS_METERS, PROJ_UNITS_DEGREES
26    from Thuban.Model.messages import PROJECTION_ADDED, PROJECTION_REMOVED, \
27         PROJECTION_REPLACED
28  import Thuban.Model.resource as resource  import Thuban.Model.resource as resource
29    
30  from xmlsupport import sax_eventlist  from xmlsupport import sax_eventlist
# Line 130  class TestProjFileSimple: Line 131  class TestProjFileSimple:
131          self.assertEquals(proj_file.GetFilename(), "other_name")          self.assertEquals(proj_file.GetFilename(), "other_name")
132    
133    
134  class TestProjFile(unittest.TestCase):  class TestProjFile(unittest.TestCase, support.SubscriberMixin):
135    
136      """Test cases for reading and writing projection files.      """Test cases for reading and writing projection files.
137      """      """
138    
139      def setUp(self):      def setUp(self):
140            self.clear_messages()
141          self.proj0 = Projection(["proj=tmerc", "ellps=clrk66"])          self.proj0 = Projection(["proj=tmerc", "ellps=clrk66"])
142          self.proj1 = Projection(["proj=utm", "ellps=clrk66"])          self.proj1 = Projection(["proj=utm", "ellps=clrk66"])
143          self.proj2 = Projection(["proj=lcc", "ellps=clrk66",          self.proj2 = Projection(["proj=lcc", "ellps=clrk66",
144                                   "lat_1=0", "lat_2=20"])                                   "lat_1=0", "lat_2=20"])
145            self.proj_file = ProjFile("some_filename")
146            for msg in [PROJECTION_ADDED, PROJECTION_REMOVED, PROJECTION_REPLACED]:
147                self.proj_file.Subscribe(msg, self.subscribe_with_params, msg)
148    
149        def tearDown(self):
150            self.clear_messages()
151            self.proj_file.Destroy()
152    
153      def test_add_remove(self):      def test_add_remove(self):
154          """Test ProjFile.Add() and ProjFile.Remove()"""          """Test ProjFile.Add() and ProjFile.Remove()"""
155          proj_file = ProjFile("some_filename")          self.proj_file.Add(self.proj0)
156          proj_file.Add(self.proj0)          self.proj_file.Add(self.proj1)
157          proj_file.Add(self.proj1)          self.assertEquals(self.proj_file.GetProjections(),
158          self.assertEquals(proj_file.GetProjections(), [self.proj0, self.proj1])                            [self.proj0, self.proj1])
159          proj_file.Remove(self.proj0)          self.check_messages([(self.proj0, PROJECTION_ADDED),
160          self.assertEquals(proj_file.GetProjections(), [self.proj1])                               (self.proj1, PROJECTION_ADDED)])
161            self.clear_messages()
162    
163            self.proj_file.Remove(self.proj0)
164            self.assertEquals(self.proj_file.GetProjections(), [self.proj1])
165            self.check_messages([(self.proj0, PROJECTION_REMOVED)])
166    
167      def test_remove_non_existing(self):      def test_remove_non_existing(self):
168          """Test ProjFile.Remove(<proj not in projfile>)"""          """Test ProjFile.Remove(<proj not in projfile>)"""
169          proj_file = ProjFile("some_filename")          self.assertRaises(ValueError, self.proj_file.Remove, self.proj0)
170          self.assertRaises(ValueError, proj_file.Remove, self.proj0)          # Nothing happened, so no messages should have been sent
171            self.check_messages([])
172    
173      def test_replace(self):      def test_replace(self):
174          """Test ProjFile.Replace()"""          """Test ProjFile.Replace()"""
175          proj_file = ProjFile("some_filename")          self.proj_file.Add(self.proj0)
176          proj_file.Add(self.proj0)          self.proj_file.Add(self.proj1)
177          proj_file.Add(self.proj1)          self.clear_messages()
178    
179          # Replace()          # Replace()
180          proj_file.Replace(self.proj0, self.proj2)          self.proj_file.Replace(self.proj0, self.proj2)
181          self.assertEquals(proj_file.GetProjections(), [self.proj2, self.proj1])          self.assertEquals(self.proj_file.GetProjections(),
182                              [self.proj2, self.proj1])
183            self.check_messages([(self.proj0, self.proj2, PROJECTION_REPLACED)])
184    
185      def test_replace_non_existing(self):      def test_replace_non_existing(self):
186          """Test ProjFile.Replace(<proj not in projfile>, <some proj>)"""          """Test ProjFile.Replace(<proj not in projfile>, <some proj>)"""
187          proj_file = ProjFile("some_filename")          self.proj_file.Add(self.proj0)
188          proj_file.Add(self.proj0)          self.proj_file.Add(self.proj1)
189          proj_file.Add(self.proj1)          self.clear_messages()
190          self.assertRaises(ValueError,          self.assertRaises(ValueError,
191                            proj_file.Replace, self.proj2, self.proj0)                            self.proj_file.Replace, self.proj2, self.proj0)
192            # All projections should still be there
193            self.assertEquals(self.proj_file.GetProjections(),
194                              [self.proj0, self.proj1])
195            # Nothing happened, so no messages should have been sent
196            self.check_messages([])
197    
198    
199  class ProjFileTest(unittest.TestCase, support.FileTestMixin,  class ProjFileTest(unittest.TestCase, support.FileTestMixin,
# Line 410  class TestProjFileWithInvalidParameters( Line 432  class TestProjFileWithInvalidParameters(
432    
433    
434  if __name__ == "__main__":  if __name__ == "__main__":
435      unittest.main()      support.run_tests()
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