/[thuban]/branches/WIP-pyshapelib-bramz/test/test_layer.py
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revision 1452 by bh, Fri Jul 18 12:57:59 2003 UTC revision 1576 by bh, Mon Aug 11 12:08:26 2003 UTC
# Line 23  import shapelib Line 23  import shapelib
23  import dbflib  import dbflib
24    
25  from Thuban.Model.session import Session  from Thuban.Model.session import Session
26  from Thuban.Model.layer import BaseLayer, Layer, RasterLayer, \  from Thuban.Model.layer import BaseLayer, Layer, RasterLayer
27       SHAPETYPE_POLYGON, SHAPETYPE_ARC, SHAPETYPE_POINT  from Thuban.Model.data import SHAPETYPE_POLYGON, SHAPETYPE_ARC, SHAPETYPE_POINT
28  from Thuban.Model.messages import LAYER_LEGEND_CHANGED, \  from Thuban.Model.messages import LAYER_LEGEND_CHANGED, \
29       LAYER_VISIBILITY_CHANGED, LAYER_SHAPESTORE_REPLACED, LAYER_CHANGED       LAYER_VISIBILITY_CHANGED, LAYER_SHAPESTORE_REPLACED, LAYER_CHANGED
30  from Thuban.Model.table import FIELDTYPE_DOUBLE, FIELDTYPE_STRING, MemoryTable  from Thuban.Model.table import FIELDTYPE_DOUBLE, FIELDTYPE_STRING, MemoryTable
# Line 40  class TestLayer(unittest.TestCase, suppo Line 40  class TestLayer(unittest.TestCase, suppo
40    
41      """Test cases for different layer (shape) types"""      """Test cases for different layer (shape) types"""
42    
     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])  
   
43      def setUp(self):      def setUp(self):
44          """Create a session self.session and initialize self.layer to None"""          """Create a session self.session and initialize self.layer to None"""
45          self.session = Session("Test session for %s" % self.__class__)          self.session = Session("Test session for %s" % self.__class__)
# Line 101  class TestLayer(unittest.TestCase, suppo Line 96  class TestLayer(unittest.TestCase, suppo
96          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
97          self.assertEquals(layer.NumShapes(), 839)          self.assertEquals(layer.NumShapes(), 839)
98          shape = layer.Shape(32)          shape = layer.Shape(32)
99          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
100                                      [(-15.082174301147461, 66.27738189697265),                                     [[(-15.082174301147461, 66.27738189697265),
101                                       (-15.026350021362305, 66.27339172363281)])                                       (-15.026350021362305, 66.27339172363281)]])
102          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
103                                   [-24.450359344482422, 63.426830291748047,                                   [-24.450359344482422, 63.426830291748047,
104                                    -13.55668830871582, 66.520111083984375])                                    -13.55668830871582, 66.520111083984375])
# Line 115  class TestLayer(unittest.TestCase, suppo Line 110  class TestLayer(unittest.TestCase, suppo
110                             -15.026350021362305, 66.27738189697265])                             -15.026350021362305, 66.27738189697265])
111    
112          shape = layer.Shape(33)          shape = layer.Shape(33)
113          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
114                                      [(-22.248506546020508, 66.30645751953125),                                     [[(-22.24850654602050, 66.30645751953125),
115                                       (-22.232730865478516, 66.294075012207031),                                       (-22.23273086547851, 66.29407501220703),
116                                       (-22.23158073425293,  66.287689208984375),                                       (-22.23158073425293,  66.2876892089843),
117                                       (-22.246318817138672, 66.270065307617188)])                                       (-22.24631881713867, 66.27006530761718)]])
118    
119          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]),          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]),
120                                   [-22.248506546020508, 66.270065307617188,                                   [-22.248506546020508, 66.270065307617188,
# Line 137  class TestLayer(unittest.TestCase, suppo Line 132  class TestLayer(unittest.TestCase, suppo
132          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)
133          self.assertEquals(layer.NumShapes(), 156)          self.assertEquals(layer.NumShapes(), 156)
134          shape = layer.Shape(4)          shape = layer.Shape(4)
135          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
136                                      [(-22.406391143798828, 64.714111328125),                                     [[(-22.40639114379882, 64.714111328125),
137                                       (-22.41621208190918, 64.71600341796875),                                       (-22.41621208190918, 64.7160034179687),
138                                       (-22.406051635742188, 64.719200134277344),                                       (-22.40605163574218, 64.719200134277),
139                                       (-22.406391143798828, 64.714111328125)])                                       (-22.40639114379882, 64.714111328125)]])
140          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
141                                   [-24.546524047851562, 63.286754608154297,                                   [-24.546524047851562, 63.286754608154297,
142                                    -13.495815277099609, 66.563774108886719])                                    -13.495815277099609, 66.563774108886719])
# Line 157  class TestLayer(unittest.TestCase, suppo Line 152  class TestLayer(unittest.TestCase, suppo
152          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)
153          self.assertEquals(layer.NumShapes(), 34)          self.assertEquals(layer.NumShapes(), 34)
154          shape = layer.Shape(0)          shape = layer.Shape(0)
155          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
156                                      [(-22.711074829101562, 66.36572265625)])                                     [[(-22.711074829101562, 66.36572265625)]])
157          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
158                                   [-23.806047439575195, 63.405960083007812,                                   [-23.806047439575195, 63.405960083007812,
159                                    -15.12291431427002, 66.36572265625])                                    -15.12291431427002, 66.36572265625])
# Line 193  class TestLayer(unittest.TestCase, suppo Line 188  class TestLayer(unittest.TestCase, suppo
188    
189      def test_raster_layer(self):      def test_raster_layer(self):
190          if not Thuban.Model.resource.has_gdal_support():          if not Thuban.Model.resource.has_gdal_support():
191              return              raise support.SkipTest("No gdal support")
192    
193          filename = self.build_path("island.tif")          filename = self.build_path("island.tif")
194          layer = RasterLayer("Test RasterLayer", filename)          layer = RasterLayer("Test RasterLayer", filename)
# Line 217  class TestLayer(unittest.TestCase, suppo Line 212  class TestLayer(unittest.TestCase, suppo
212              layer.SetShapeStore(derived)              layer.SetShapeStore(derived)
213              self.assert_(layer.ShapeStore() is derived)              self.assert_(layer.ShapeStore() is derived)
214    
215              # check that an exception is raised when the number              self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
216              # of shapes differ from the number of rows in a table.              self.assertEquals(layer.NumShapes(), 839)
217              layer2 = Layer("Test Layer",              shape = layer.Shape(32)
218                             self.open_shapefile("political.shp"))              self.assertPointListEquals(shape.Points(),
219              store2 = layer2.ShapeStore()                                         [[(-15.082174301147, 66.277381896972),
220              self.assertRaises(ValueError,                                           (-15.026350021362, 66.273391723632)]])
221                                DerivedShapeStore, store2, store.Table())              self.assertFloatSeqEqual(layer.BoundingBox(),
222                                         [-24.450359344482422, 63.426830291748047,
223                                          -13.55668830871582, 66.520111083984375])
224                self.assertEquals(layer.ShapesInRegion((-24.0, 64.0,
225                                                        -23.75, 64.25)),
226                                  [613, 726, 838])
227    
228                self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
229                                         [-15.082174301147461, 66.27339172363281,
230                                          -15.026350021362305, 66.27738189697265])
231    
232          finally:          finally:
233              store = derived = None              store = derived = None
             layer2.Destroy()  
             store2 = None  
234    
235    
236  class SetShapeStoreTests(unittest.TestCase, support.SubscriberMixin):  class SetShapeStoreTests(unittest.TestCase, support.SubscriberMixin):
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