/[thuban]/branches/WIP-pyshapelib-bramz/test/test_layer.py
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revision 1538 by bh, Fri Aug 1 14:27:46 2003 UTC revision 2229 by bh, Thu Jun 3 15:18:07 2004 UTC
# Line 1  Line 1 
1  # Copyright (c) 2002, 2003 by Intevation GmbH  # Copyright (c) 2002, 2003, 2004 by Intevation GmbH
2  # Authors:  # Authors:
3  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
4  #  #
# Line 16  __version__ = "$Revision$" Line 16  __version__ = "$Revision$"
16  import os  import os
17  import unittest  import unittest
18    
19    import mockgeo
20  import support  import support
21  support.initthuban()  support.initthuban()
22    
# Line 40  class TestLayer(unittest.TestCase, suppo Line 41  class TestLayer(unittest.TestCase, suppo
41    
42      """Test cases for different layer (shape) types"""      """Test cases for different layer (shape) types"""
43    
     def assertFloatTuplesEqual(self, test, value):  
         """Assert equality of two lists of tuples of float"""  
         for i in range(len(test)):  
             self.assertFloatSeqEqual(test[i], value[i])  
   
44      def setUp(self):      def setUp(self):
45          """Create a session self.session and initialize self.layer to None"""          """Create a session self.session and initialize self.layer to None"""
46          self.session = Session("Test session for %s" % self.__class__)          self.session = Session("Test session for %s" % self.__class__)
# Line 52  class TestLayer(unittest.TestCase, suppo Line 48  class TestLayer(unittest.TestCase, suppo
48    
49      def tearDown(self):      def tearDown(self):
50          """Call the layer's Destroy method and set session and layer to None"""          """Call the layer's Destroy method and set session and layer to None"""
51            self.session.Destroy()
52          self.session = None          self.session = None
53          if self.layer is not None:          if self.layer is not None:
54              self.layer.Destroy()              self.layer.Destroy()
# Line 82  class TestLayer(unittest.TestCase, suppo Line 79  class TestLayer(unittest.TestCase, suppo
79          self.assertEquals(layer.GetProjection(), None)          self.assertEquals(layer.GetProjection(), None)
80    
81          # set/get projection          # set/get projection
82          proj = Projection(["proj=utm", "zone=26"])          proj = Projection(["proj=utm", "zone=26", "ellps=clrk66"])
83    
84          layer.SetProjection(proj)          layer.SetProjection(proj)
85          self.failUnless(layer.GetProjection() is proj)          self.failUnless(layer.GetProjection() is proj)
# Line 101  class TestLayer(unittest.TestCase, suppo Line 98  class TestLayer(unittest.TestCase, suppo
98          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
99          self.assertEquals(layer.NumShapes(), 839)          self.assertEquals(layer.NumShapes(), 839)
100          shape = layer.Shape(32)          shape = layer.Shape(32)
101          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
102                                      [(-15.082174301147461, 66.27738189697265),                                     [[(-15.082174301147461, 66.27738189697265),
103                                       (-15.026350021362305, 66.27339172363281)])                                       (-15.026350021362305, 66.27339172363281)]])
104          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
105                                   [-24.450359344482422, 63.426830291748047,                                   [-24.450359344482422, 63.426830291748047,
106                                    -13.55668830871582, 66.520111083984375])                                    -13.55668830871582, 66.520111083984375])
107          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25))
108            self.assertEquals([s.ShapeID() for s in shapes],
109                            [613, 726, 838])                            [613, 726, 838])
110    
111          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
# Line 115  class TestLayer(unittest.TestCase, suppo Line 113  class TestLayer(unittest.TestCase, suppo
113                             -15.026350021362305, 66.27738189697265])                             -15.026350021362305, 66.27738189697265])
114    
115          shape = layer.Shape(33)          shape = layer.Shape(33)
116          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
117                                      [(-22.248506546020508, 66.30645751953125),                                     [[(-22.24850654602050, 66.30645751953125),
118                                       (-22.232730865478516, 66.294075012207031),                                       (-22.23273086547851, 66.29407501220703),
119                                       (-22.23158073425293,  66.287689208984375),                                       (-22.23158073425293,  66.2876892089843),
120                                       (-22.246318817138672, 66.270065307617188)])                                       (-22.24631881713867, 66.27006530761718)]])
121    
122          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]),          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]),
123                                   [-22.248506546020508, 66.270065307617188,                                   [-22.248506546020508, 66.270065307617188,
# Line 137  class TestLayer(unittest.TestCase, suppo Line 135  class TestLayer(unittest.TestCase, suppo
135          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)
136          self.assertEquals(layer.NumShapes(), 156)          self.assertEquals(layer.NumShapes(), 156)
137          shape = layer.Shape(4)          shape = layer.Shape(4)
138          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
139                                      [(-22.406391143798828, 64.714111328125),                                     [[(-22.40639114379882, 64.714111328125),
140                                       (-22.41621208190918, 64.71600341796875),                                       (-22.41621208190918, 64.7160034179687),
141                                       (-22.406051635742188, 64.719200134277344),                                       (-22.40605163574218, 64.719200134277),
142                                       (-22.406391143798828, 64.714111328125)])                                       (-22.40639114379882, 64.714111328125)]])
143          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
144                                   [-24.546524047851562, 63.286754608154297,                                   [-24.546524047851562, 63.286754608154297,
145                                    -13.495815277099609, 66.563774108886719])                                    -13.495815277099609, 66.563774108886719])
146          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.9, 64.1)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.9, 64.1))
147            self.assertEquals([s.ShapeID() for s in shapes],
148                            [91, 92, 144, 146, 148, 150, 152, 153])                            [91, 92, 144, 146, 148, 150, 152, 153])
149    
150      def test_point_layer(self):      def test_point_layer(self):
# Line 157  class TestLayer(unittest.TestCase, suppo Line 156  class TestLayer(unittest.TestCase, suppo
156          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)
157          self.assertEquals(layer.NumShapes(), 34)          self.assertEquals(layer.NumShapes(), 34)
158          shape = layer.Shape(0)          shape = layer.Shape(0)
159          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
160                                      [(-22.711074829101562, 66.36572265625)])                                     [[(-22.711074829101562, 66.36572265625)]])
161          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
162                                   [-23.806047439575195, 63.405960083007812,                                   [-23.806047439575195, 63.405960083007812,
163                                    -15.12291431427002, 66.36572265625])                                    -15.12291431427002, 66.36572265625])
164          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.80, 64.1)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.80, 64.1))
165            self.assertEquals([s.ShapeID() for s in shapes],
166                            [0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31])                            [0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31])
167    
168        def test_arc_layer_with_projection(self):
169            """Test Layer with point shapes and a projection"""
170            # We use mock data here so that we have precise control over the
171            # values
172            table = MemoryTable([("FOO", FIELDTYPE_STRING)], [("bla",)])
173            store = mockgeo.SimpleShapeStore(SHAPETYPE_ARC,
174                                  [[[(9884828.7209840547, 5607720.9774499247),
175                                     (11298336.04640449, 9287823.2044059951)]]],
176                                             table)
177            layer = self.layer = Layer("Test Layer", store)
178    
179            proj = Projection(["proj=lcc", "lon_0=0", "lat_1=20n", "lat_2=60n",
180                               "ellps=clrk66"])
181            layer.SetProjection(proj)
182    
183            self.assertFloatSeqEqual(layer.BoundingBox(),
184                                     (9884828.7209840547, 5607720.9774499247,
185                                      11298336.04640449, 9287823.2044059951))
186            self.assertFloatSeqEqual(layer.LatLongBoundingBox(),
187                                     (90.0, -8.90043373, 120, 11.1616263))
188            shapes = layer.ShapesInRegion((100, -10, 150, +10))
189            self.assertEquals([s.ShapeID() for s in shapes], [0])
190            self.assertFloatSeqEqual(layer.ShapesBoundingBox([0]),
191                                     (90.0, -8.90043373, 120, 11.1616263))
192    
193      def test_empty_layer(self):      def test_empty_layer(self):
194          """Test Layer with empty shape file"""          """Test Layer with empty shape file"""
195          # create an empty shape file          # create an empty shape file
# Line 176  class TestLayer(unittest.TestCase, suppo Line 201  class TestLayer(unittest.TestCase, suppo
201          dbffilename = self.temp_file_name("layer_empty.dbf")          dbffilename = self.temp_file_name("layer_empty.dbf")
202          dbf = dbflib.create(dbffilename)          dbf = dbflib.create(dbffilename)
203          dbf.add_field("NAME", dbflib.FTString, 20, 0)          dbf.add_field("NAME", dbflib.FTString, 20, 0)
204            dbf.close()
205    
206          # Now try to open it.          # Now try to open it.
207          layer = self.layer = Layer("Empty Layer",          layer = self.layer = Layer("Empty Layer",
# Line 193  class TestLayer(unittest.TestCase, suppo Line 219  class TestLayer(unittest.TestCase, suppo
219    
220      def test_raster_layer(self):      def test_raster_layer(self):
221          if not Thuban.Model.resource.has_gdal_support():          if not Thuban.Model.resource.has_gdal_support():
222              return              raise support.SkipTest("No gdal support")
223    
224          filename = self.build_path("island.tif")          filename = self.build_path("island.tif")
225          layer = RasterLayer("Test RasterLayer", filename)          layer = RasterLayer("Test RasterLayer", filename)
226          self.failIf(layer.HasClassification())          self.failIf(layer.HasClassification())
227          self.failIf(layer.HasShapes())          self.failIf(layer.HasShapes())
228          self.assertEquals(layer.GetImageFilename(), filename)          self.assertEquals(layer.GetImageFilename(), os.path.abspath(filename))
229          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
230                                   [-24.5500000, 63.2833330,                                   [-24.5500000, 63.2833330,
231                                    -13.4916670, 66.5666670])                                    -13.4916670, 66.5666670])
# Line 220  class TestLayer(unittest.TestCase, suppo Line 246  class TestLayer(unittest.TestCase, suppo
246              self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)              self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
247              self.assertEquals(layer.NumShapes(), 839)              self.assertEquals(layer.NumShapes(), 839)
248              shape = layer.Shape(32)              shape = layer.Shape(32)
249              self.assertFloatTuplesEqual(shape.Points(),              self.assertPointListEquals(shape.Points(),
250                                      [(-15.082174301147461, 66.27738189697265),                                         [[(-15.082174301147, 66.277381896972),
251                                       (-15.026350021362305, 66.27339172363281)])                                           (-15.026350021362, 66.273391723632)]])
252              self.assertFloatSeqEqual(layer.BoundingBox(),              self.assertFloatSeqEqual(layer.BoundingBox(),
253                                       [-24.450359344482422, 63.426830291748047,                                       [-24.450359344482422, 63.426830291748047,
254                                        -13.55668830871582, 66.520111083984375])                                        -13.55668830871582, 66.520111083984375])
255              self.assertEquals(layer.ShapesInRegion((-24.0, 64.0,              shapes = layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25))
256                                                      -23.75, 64.25)),              self.assertEquals([s.ShapeID() for s in shapes],
257                                [613, 726, 838])                                [613, 726, 838])
258    
259              self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),              self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
# Line 329  class TestLayerModification(unittest.Tes Line 355  class TestLayerModification(unittest.Tes
355          """          """
356          self.clear_messages()          self.clear_messages()
357          self.session = Session("Test session for %s" % self.__class__)          self.session = Session("Test session for %s" % self.__class__)
358          filename = os.path.join("..", "Data", "iceland", "political.shp")          self.filename = os.path.join("..", "Data", "iceland", "political.shp")
359          self.layer = Layer("Test Layer",          self.layer = Layer("Test Layer",
360                             self.session.OpenShapefile(filename))                             self.session.OpenShapefile(self.filename))
361          self.layer.Subscribe(LAYER_LEGEND_CHANGED, self.subscribe_with_params,          self.layer.Subscribe(LAYER_LEGEND_CHANGED, self.subscribe_with_params,
362                               LAYER_LEGEND_CHANGED)                               LAYER_LEGEND_CHANGED)
363          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,
# Line 390  class TestLayerModification(unittest.Tes Line 416  class TestLayerModification(unittest.Tes
416          self.failUnless(self.layer.WasModified())          self.failUnless(self.layer.WasModified())
417    
418    
419  #      def test_tree_info(self):
420  # the tree info now contains Color objects which are difficult to test          """Test Layer.TreeInfo"""
421  #          self.assertEquals(self.layer.TreeInfo(),
422  #   def test_tree_info(self):                            ("Layer 'Test Layer'",
423  #       """Test Layer.TreeInfo"""                             ['Filename: %s' % os.path.abspath(self.filename),
424  #       self.assertEquals(self.layer.TreeInfo(),                              'Shown',
425  #                         ("Layer 'Test Layer'",                              'Shapes: 156',
426  #                          ['Shown',                     'Extent (lat-lon): (-24.5465, 63.2868, -13.4958, 66.5638)',
427  #                           'Shapes: 156',                              'Shapetype: Polygon',
428  #                           ('Extent (lat-lon):'                              self.layer.GetClassification()]))
 #                            ' (-24.5465, 63.2868, -13.4958, 66.5638)'),  
 #                           'Shapetype: Polygon',  
 #                           'Fill: None',  
 #                           'Outline: (0.000, 0.000, 0.000)']))  
429    
430    
431  if __name__ == "__main__":  if __name__ == "__main__":
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