/[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 832 by jonathan, Tue May 6 12:07:36 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, \
# Line 38  class TestLayer(unittest.TestCase, suppo Line 39  class TestLayer(unittest.TestCase, suppo
39          for i in range(len(test)):          for i in range(len(test)):
40              self.assertFloatSeqEqual(test[i], value[i])              self.assertFloatSeqEqual(test[i], value[i])
41    
42        def setUp(self):
43            """Create a session"""
44            self.session = Session("Test session for %s" % self.__class__)
45    
46        def tearDown(self):
47            self.session = None
48    
49      def test_arc_layer(self):      def test_arc_layer(self):
50          """Test Layer with arc shapes"""          """Test Layer with arc shapes"""
51          layer = Layer("Test Layer",          filename = os.path.join("..", "Data", "iceland", "roads-line.shp")
52                        os.path.join("..", "Data", "iceland", "roads-line.shp"))          layer = Layer("Test Layer", self.session.OpenShapefile(filename))
53          self.assertEquals(layer.Title(), "Test Layer")          self.assertEquals(layer.Title(), "Test Layer")
54          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
55          self.assertEquals(layer.NumShapes(), 839)          self.assertEquals(layer.NumShapes(), 839)
# Line 54  class TestLayer(unittest.TestCase, suppo Line 62  class TestLayer(unittest.TestCase, suppo
62                                    -13.55668830871582, 66.520111083984375])                                    -13.55668830871582, 66.520111083984375])
63          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)),          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)),
64                            [613, 726, 838])                            [613, 726, 838])
65    
66            self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
67                              [-15.082174301147461, 66.27339172363281,
68                               -15.026350021362305, 66.27738189697265])
69    
70            shape = layer.Shape(33)
71            self.assertFloatTuplesEqual(shape.Points(),
72                                        [(-22.248506546020508, 66.30645751953125),
73                                         (-22.232730865478516, 66.294075012207031),
74                                         (-22.23158073425293,  66.287689208984375),
75                                         (-22.246318817138672, 66.270065307617188)])
76    
77            self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]),
78                                     [-22.248506546020508, 66.270065307617188,
79                                      -15.026350021362305, 66.30645751953125])
80    
81            self.assertEquals(layer.ShapesBoundingBox([]), None)
82            self.assertEquals(layer.ShapesBoundingBox(None), None)
83    
84          layer.Destroy()          layer.Destroy()
85    
86      def test_polygon_layer(self):      def test_polygon_layer(self):
87          """Test Layer with polygon shapes"""          """Test Layer with polygon shapes"""
88          layer = Layer("Test Layer",          filename = os.path.join("..", "Data", "iceland", "political.shp")
89                        os.path.join("..", "Data", "iceland", "political.shp"))          layer = Layer("Test Layer", self.session.OpenShapefile(filename))
90          self.assertEquals(layer.Title(), "Test Layer")          self.assertEquals(layer.Title(), "Test Layer")
91          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)
92          self.assertEquals(layer.NumShapes(), 156)          self.assertEquals(layer.NumShapes(), 156)
# Line 78  class TestLayer(unittest.TestCase, suppo Line 105  class TestLayer(unittest.TestCase, suppo
105    
106      def test_point_layer(self):      def test_point_layer(self):
107          """Test Layer with point shapes"""          """Test Layer with point shapes"""
108          layer = Layer("Test Layer",          filename = os.path.join("..", "Data", "iceland",
109                        os.path.join("..", "Data", "iceland",                                  "cultural_landmark-point.shp")
110                                     "cultural_landmark-point.shp"))          layer = Layer("Test Layer", self.session.OpenShapefile(filename))
111          self.assertEquals(layer.Title(), "Test Layer")          self.assertEquals(layer.Title(), "Test Layer")
112          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)
113          self.assertEquals(layer.NumShapes(), 34)          self.assertEquals(layer.NumShapes(), 34)
# Line 107  class TestLayer(unittest.TestCase, suppo Line 134  class TestLayer(unittest.TestCase, suppo
134          dbf.add_field("NAME", dbflib.FTString, 20, 0)          dbf.add_field("NAME", dbflib.FTString, 20, 0)
135    
136          # Now try to open it.          # Now try to open it.
137          layer = Layer("Empty Layer", shapefilename)          layer = Layer("Empty Layer",
138                          self.session.OpenShapefile(shapefilename))
139          self.assertEquals(layer.BoundingBox(), None)          self.assertEquals(layer.BoundingBox(), None)
140          self.assertEquals(layer.LatLongBoundingBox(), None)          self.assertEquals(layer.LatLongBoundingBox(), None)
141          self.assertEquals(layer.NumShapes(), 0)          self.assertEquals(layer.NumShapes(), 0)
# Line 120  class TestLayerLegend(unittest.TestCase, Line 148  class TestLayerLegend(unittest.TestCase,
148      """      """
149    
150      def setUp(self):      def setUp(self):
151          """Clear the list of received messages and create a layer          """Clear the list of received messages and create a layer and a session
152    
153          The layer is bound to self.layer.          The layer is bound to self.layer and the session to self.session.
154          """          """
155          self.clear_messages()          self.clear_messages()
156            self.session = Session("Test session for %s" % self.__class__)
157            filename = os.path.join("..", "Data", "iceland", "political.shp")
158          self.layer = Layer("Test Layer",          self.layer = Layer("Test Layer",
159                             os.path.join("..", "Data", "iceland",                             self.session.OpenShapefile(filename))
                                         "political.shp"))  
160          self.layer.Subscribe(LAYER_LEGEND_CHANGED, self.subscribe_with_params,          self.layer.Subscribe(LAYER_LEGEND_CHANGED, self.subscribe_with_params,
161                               LAYER_LEGEND_CHANGED)                               LAYER_LEGEND_CHANGED)
162          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,
# Line 138  class TestLayerLegend(unittest.TestCase, Line 167  class TestLayerLegend(unittest.TestCase,
167          """Clear the list of received messages and explictly destroy self.layer          """Clear the list of received messages and explictly destroy self.layer
168          """          """
169          self.layer.Destroy()          self.layer.Destroy()
170            self.layer = None
171            self.session.Destroy()
172            self.session = None
173          self.clear_messages()          self.clear_messages()
174    
175      def test_initial_settings(self):      def test_initial_settings(self):
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