/[thuban]/branches/WIP-pyshapelib-bramz/test/test_layer.py
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revision 599 by bh, Thu Apr 3 11:37:13 2003 UTC revision 839 by bh, Tue May 6 15:54:18 2003 UTC
# Line 22  support.initthuban() Line 22  support.initthuban()
22  import shapelib  import shapelib
23  import dbflib  import dbflib
24    
25    from Thuban.Model.session import Session
26  from Thuban.Model.layer import Layer, SHAPETYPE_POLYGON, SHAPETYPE_ARC, \  from Thuban.Model.layer import Layer, SHAPETYPE_POLYGON, SHAPETYPE_ARC, \
27       SHAPETYPE_POINT       SHAPETYPE_POINT
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 38  class TestLayer(unittest.TestCase, suppo Line 40  class TestLayer(unittest.TestCase, suppo
40          for i in range(len(test)):          for i in range(len(test)):
41              self.assertFloatSeqEqual(test[i], value[i])              self.assertFloatSeqEqual(test[i], value[i])
42    
43        def setUp(self):
44            """Create a session"""
45            self.session = Session("Test session for %s" % self.__class__)
46    
47        def tearDown(self):
48            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          layer = Layer("Test Layer",          layer = Layer("Test Layer", self.open_shapefile("roads-line.shp"))
                       os.path.join("..", "Data", "iceland", "roads-line.shp"))  
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 54  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          layer = Layer("Test Layer",          layer = Layer("Test Layer", self.open_shapefile("political.shp"))
                       os.path.join("..", "Data", "iceland", "political.shp"))  
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 79  class TestLayer(unittest.TestCase, suppo Line 110  class TestLayer(unittest.TestCase, suppo
110      def test_point_layer(self):      def test_point_layer(self):
111          """Test Layer with point shapes"""          """Test Layer with point shapes"""
112          layer = Layer("Test Layer",          layer = Layer("Test Layer",
113                        os.path.join("..", "Data", "iceland",                        self.open_shapefile("cultural_landmark-point.shp"))
                                    "cultural_landmark-point.shp"))  
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 107  class TestLayer(unittest.TestCase, suppo Line 137  class TestLayer(unittest.TestCase, suppo
137          dbf.add_field("NAME", dbflib.FTString, 20, 0)          dbf.add_field("NAME", dbflib.FTString, 20, 0)
138    
139          # Now try to open it.          # Now try to open it.
140          layer = Layer("Empty Layer", shapefilename)          layer = Layer("Empty Layer",
141                          self.session.OpenShapefile(shapefilename))
142          self.assertEquals(layer.BoundingBox(), None)          self.assertEquals(layer.BoundingBox(), None)
143          self.assertEquals(layer.LatLongBoundingBox(), None)          self.assertEquals(layer.LatLongBoundingBox(), None)
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    
# Line 120  class TestLayerLegend(unittest.TestCase, Line 158  class TestLayerLegend(unittest.TestCase,
158      """      """
159    
160      def setUp(self):      def setUp(self):
161          """Clear the list of received messages and create a layer          """Clear the list of received messages and create a layer and a session
162    
163          The layer is bound to self.layer.          The layer is bound to self.layer and the session to self.session.
164          """          """
165          self.clear_messages()          self.clear_messages()
166            self.session = Session("Test session for %s" % self.__class__)
167            filename = os.path.join("..", "Data", "iceland", "political.shp")
168          self.layer = Layer("Test Layer",          self.layer = Layer("Test Layer",
169                             os.path.join("..", "Data", "iceland",                             self.session.OpenShapefile(filename))
                                         "political.shp"))  
170          self.layer.Subscribe(LAYER_LEGEND_CHANGED, self.subscribe_with_params,          self.layer.Subscribe(LAYER_LEGEND_CHANGED, self.subscribe_with_params,
171                               LAYER_LEGEND_CHANGED)                               LAYER_LEGEND_CHANGED)
172          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,
# Line 138  class TestLayerLegend(unittest.TestCase, Line 177  class TestLayerLegend(unittest.TestCase,
177          """Clear the list of received messages and explictly destroy self.layer          """Clear the list of received messages and explictly destroy self.layer
178          """          """
179          self.layer.Destroy()          self.layer.Destroy()
180            self.layer = None
181            self.session.Destroy()
182            self.session = None
183          self.clear_messages()          self.clear_messages()
184    
185      def test_initial_settings(self):      def test_initial_settings(self):
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