/[thuban]/branches/WIP-pyshapelib-bramz/test/test_layer.py
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revision 1551 by bh, Wed Aug 6 17:21:07 2003 UTC revision 1599 by bh, Mon Aug 18 12:45:28 2003 UTC
# 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 assertPointListEquals(self, test, value):  
         """Assert equality of two lists of lists of tuples of float"""  
         for i in range(len(test)):  
             self.assertEquals(len(test[i]), len(value[i]))  
             for j in range(len(test[i])):  
                 self.assertFloatSeqEqual(test[i][j], value[i][j])  
   
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 109  class TestLayer(unittest.TestCase, suppo Line 103  class TestLayer(unittest.TestCase, suppo
103          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
104                                   [-24.450359344482422, 63.426830291748047,                                   [-24.450359344482422, 63.426830291748047,
105                                    -13.55668830871582, 66.520111083984375])                                    -13.55668830871582, 66.520111083984375])
106          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25))
107            self.assertEquals([s.ShapeID() for s in shapes],
108                            [613, 726, 838])                            [613, 726, 838])
109    
110          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
# Line 147  class TestLayer(unittest.TestCase, suppo Line 142  class TestLayer(unittest.TestCase, suppo
142          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
143                                   [-24.546524047851562, 63.286754608154297,                                   [-24.546524047851562, 63.286754608154297,
144                                    -13.495815277099609, 66.563774108886719])                                    -13.495815277099609, 66.563774108886719])
145          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.9, 64.1)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.9, 64.1))
146            self.assertEquals([s.ShapeID() for s in shapes],
147                            [91, 92, 144, 146, 148, 150, 152, 153])                            [91, 92, 144, 146, 148, 150, 152, 153])
148    
149      def test_point_layer(self):      def test_point_layer(self):
# Line 164  class TestLayer(unittest.TestCase, suppo Line 160  class TestLayer(unittest.TestCase, suppo
160          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
161                                   [-23.806047439575195, 63.405960083007812,                                   [-23.806047439575195, 63.405960083007812,
162                                    -15.12291431427002, 66.36572265625])                                    -15.12291431427002, 66.36572265625])
163          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.80, 64.1)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.80, 64.1))
164            self.assertEquals([s.ShapeID() for s in shapes],
165                            [0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31])                            [0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31])
166    
167        def test_point_layer_with_projection(self):
168            """Test Layer with point shapes and a projection"""
169            # We use mock data here so that we have precise control over the
170            # values
171            table = MemoryTable([("FOO", FIELDTYPE_STRING)], [("bla",)])
172            store = mockgeo.SimpleShapeStore(SHAPETYPE_POINT, [[[(10,10)]]], table)
173            layer = self.layer = Layer("Test Layer", store)
174    
175            # Rotation by 45 degrees counter clockwise. This detects a bug
176            # in the ShapesInRegion method which transforms the bounding box
177            # by only transforming two opposite corners because they have
178            # the same x or y coordinates after application of the
179            # projection or its inverse.
180            proj = mockgeo.AffineProjection((1, 1, -1, 1, 0, 0))
181            layer.SetProjection(proj)
182    
183            self.assertEquals(layer.BoundingBox(), (10, 10, 10, 10))
184            self.assertEquals(layer.LatLongBoundingBox(), (10.0, 0.0, 10.0, 0.0))
185            shapes = layer.ShapesInRegion((0, 0, 20, 20))
186            self.assertEquals([s.ShapeID() for s in shapes], [0])
187    
188      def test_empty_layer(self):      def test_empty_layer(self):
189          """Test Layer with empty shape file"""          """Test Layer with empty shape file"""
190          # create an empty shape file          # create an empty shape file
# Line 195  class TestLayer(unittest.TestCase, suppo Line 213  class TestLayer(unittest.TestCase, suppo
213    
214      def test_raster_layer(self):      def test_raster_layer(self):
215          if not Thuban.Model.resource.has_gdal_support():          if not Thuban.Model.resource.has_gdal_support():
216              return              raise support.SkipTest("No gdal support")
217    
218          filename = self.build_path("island.tif")          filename = self.build_path("island.tif")
219          layer = RasterLayer("Test RasterLayer", filename)          layer = RasterLayer("Test RasterLayer", filename)
220          self.failIf(layer.HasClassification())          self.failIf(layer.HasClassification())
221          self.failIf(layer.HasShapes())          self.failIf(layer.HasShapes())
222          self.assertEquals(layer.GetImageFilename(), filename)          self.assertEquals(layer.GetImageFilename(), os.path.abspath(filename))
223          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
224                                   [-24.5500000, 63.2833330,                                   [-24.5500000, 63.2833330,
225                                    -13.4916670, 66.5666670])                                    -13.4916670, 66.5666670])
# Line 228  class TestLayer(unittest.TestCase, suppo Line 246  class TestLayer(unittest.TestCase, suppo
246              self.assertFloatSeqEqual(layer.BoundingBox(),              self.assertFloatSeqEqual(layer.BoundingBox(),
247                                       [-24.450359344482422, 63.426830291748047,                                       [-24.450359344482422, 63.426830291748047,
248                                        -13.55668830871582, 66.520111083984375])                                        -13.55668830871582, 66.520111083984375])
249              self.assertEquals(layer.ShapesInRegion((-24.0, 64.0,              shapes = layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25))
250                                                      -23.75, 64.25)),              self.assertEquals([s.ShapeID() for s in shapes],
251                                [613, 726, 838])                                [613, 726, 838])
252    
253              self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),              self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
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