/[thuban]/branches/WIP-pyshapelib-bramz/test/test_layer.py
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revision 723 by bh, Thu Apr 24 15:31:53 2003 UTC revision 839 by bh, Tue May 6 15:54:18 2003 UTC
# Line 28  from Thuban.Model.layer import Layer, SH Line 28  from Thuban.Model.layer import Layer, SH
28  from Thuban.Model.messages import LAYER_LEGEND_CHANGED, \  from Thuban.Model.messages import LAYER_LEGEND_CHANGED, \
29       LAYER_VISIBILITY_CHANGED       LAYER_VISIBILITY_CHANGED
30  from Thuban.Model.color import Color  from Thuban.Model.color import Color
31    from Thuban.Model.table import FIELDTYPE_DOUBLE
32    
33  class TestLayer(unittest.TestCase, support.FileTestMixin,  class TestLayer(unittest.TestCase, support.FileTestMixin,
34                  support.FloatComparisonMixin):                  support.FloatComparisonMixin):
# Line 46  class TestLayer(unittest.TestCase, suppo Line 47  class TestLayer(unittest.TestCase, suppo
47      def tearDown(self):      def tearDown(self):
48          self.session = None          self.session = None
49    
50        def open_shapefile(self, filename):
51            """Open and return a shapestore for filename in the iceland data set"""
52            return self.session.OpenShapefile(os.path.join("..", "Data", "iceland",
53                                                           filename))
54    
55      def test_arc_layer(self):      def test_arc_layer(self):
56          """Test Layer with arc shapes"""          """Test Layer with arc shapes"""
57          filename = os.path.join("..", "Data", "iceland", "roads-line.shp")          layer = Layer("Test Layer", self.open_shapefile("roads-line.shp"))
         layer = Layer("Test Layer", self.session.OpenShapefile(filename))  
58          self.assertEquals(layer.Title(), "Test Layer")          self.assertEquals(layer.Title(), "Test Layer")
59          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
60          self.assertEquals(layer.NumShapes(), 839)          self.assertEquals(layer.NumShapes(), 839)
# Line 62  class TestLayer(unittest.TestCase, suppo Line 67  class TestLayer(unittest.TestCase, suppo
67                                    -13.55668830871582, 66.520111083984375])                                    -13.55668830871582, 66.520111083984375])
68          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)),          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)),
69                            [613, 726, 838])                            [613, 726, 838])
70    
71            self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
72                              [-15.082174301147461, 66.27339172363281,
73                               -15.026350021362305, 66.27738189697265])
74    
75            shape = layer.Shape(33)
76            self.assertFloatTuplesEqual(shape.Points(),
77                                        [(-22.248506546020508, 66.30645751953125),
78                                         (-22.232730865478516, 66.294075012207031),
79                                         (-22.23158073425293,  66.287689208984375),
80                                         (-22.246318817138672, 66.270065307617188)])
81    
82            self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]),
83                                     [-22.248506546020508, 66.270065307617188,
84                                      -15.026350021362305, 66.30645751953125])
85    
86            self.assertEquals(layer.ShapesBoundingBox([]), None)
87            self.assertEquals(layer.ShapesBoundingBox(None), None)
88    
89          layer.Destroy()          layer.Destroy()
90    
91      def test_polygon_layer(self):      def test_polygon_layer(self):
92          """Test Layer with polygon shapes"""          """Test Layer with polygon shapes"""
93          filename = os.path.join("..", "Data", "iceland", "political.shp")          layer = Layer("Test Layer", self.open_shapefile("political.shp"))
         layer = Layer("Test Layer", self.session.OpenShapefile(filename))  
94          self.assertEquals(layer.Title(), "Test Layer")          self.assertEquals(layer.Title(), "Test Layer")
95          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)
96          self.assertEquals(layer.NumShapes(), 156)          self.assertEquals(layer.NumShapes(), 156)
# Line 86  class TestLayer(unittest.TestCase, suppo Line 109  class TestLayer(unittest.TestCase, suppo
109    
110      def test_point_layer(self):      def test_point_layer(self):
111          """Test Layer with point shapes"""          """Test Layer with point shapes"""
112          filename = os.path.join("..", "Data", "iceland",          layer = Layer("Test Layer",
113                                  "cultural_landmark-point.shp")                        self.open_shapefile("cultural_landmark-point.shp"))
         layer = Layer("Test Layer", self.session.OpenShapefile(filename))  
114          self.assertEquals(layer.Title(), "Test Layer")          self.assertEquals(layer.Title(), "Test Layer")
115          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)
116          self.assertEquals(layer.NumShapes(), 34)          self.assertEquals(layer.NumShapes(), 34)
# Line 122  class TestLayer(unittest.TestCase, suppo Line 144  class TestLayer(unittest.TestCase, suppo
144          self.assertEquals(layer.NumShapes(), 0)          self.assertEquals(layer.NumShapes(), 0)
145          layer.Destroy()          layer.Destroy()
146    
147        def test_get_field_type(self):
148            """Test Layer.GetFieldType()"""
149            layer = Layer("Test Layer", self.open_shapefile("roads-line.shp"))
150            self.assertEquals(layer.GetFieldType("LENGTH"), FIELDTYPE_DOUBLE)
151            self.assertEquals(layer.GetFieldType("non existing"), None)
152            layer.Destroy()
153    
154    
155  class TestLayerLegend(unittest.TestCase, support.SubscriberMixin):  class TestLayerLegend(unittest.TestCase, support.SubscriberMixin):
156    
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