/[thuban]/branches/WIP-pyshapelib-bramz/test/test_layer.py
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revision 1088 by bh, Wed May 28 12:42:23 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_VISIBILITY_CHANGED, LAYER_SHAPESTORE_REPLACED, LAYER_CHANGED
 from Thuban.Model.color import Color  
30  from Thuban.Model.table import FIELDTYPE_DOUBLE, FIELDTYPE_STRING, MemoryTable  from Thuban.Model.table import FIELDTYPE_DOUBLE, FIELDTYPE_STRING, MemoryTable
31  from Thuban.Model.proj import Projection  from Thuban.Model.proj import Projection
32  from Thuban.Model.data import DerivedShapeStore  from Thuban.Model.data import DerivedShapeStore
33  from Thuban.Model.classification import Classification, ClassGroupSingleton  from Thuban.Model.classification import Classification, ClassGroupSingleton, \
34         ClassGroupRange
35    
36    import Thuban.Model.resource
37    
38  class TestLayer(unittest.TestCase, support.FileTestMixin,  class TestLayer(unittest.TestCase, support.FileTestMixin,
39                  support.FloatComparisonMixin):                  support.FloatComparisonMixin):
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 75  class TestLayer(unittest.TestCase, suppo Line 72  class TestLayer(unittest.TestCase, suppo
72          self.failUnless(layer.Visible())          self.failUnless(layer.Visible())
73    
74          self.failIf(layer.HasClassification())          self.failIf(layer.HasClassification())
75            self.failIf(layer.HasShapes())
76    
77          self.assertEquals(layer.GetProjection(), None)          self.assertEquals(layer.GetProjection(), None)
78    
79          # set/get projection          # set/get projection
# Line 92  class TestLayer(unittest.TestCase, suppo Line 91  class TestLayer(unittest.TestCase, suppo
91          """Test Layer with arc shapes"""          """Test Layer with arc shapes"""
92          layer = self.layer = Layer("Test Layer",          layer = self.layer = Layer("Test Layer",
93                                     self.open_shapefile("roads-line.shp"))                                     self.open_shapefile("roads-line.shp"))
94            self.failUnless(layer.HasClassification())
95            self.failUnless(layer.HasShapes())
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 109  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 126  class TestLayer(unittest.TestCase, suppo Line 127  class TestLayer(unittest.TestCase, suppo
127          """Test Layer with polygon shapes"""          """Test Layer with polygon shapes"""
128          layer = self.layer = Layer("Test Layer",          layer = self.layer = Layer("Test Layer",
129                                     self.open_shapefile("political.shp"))                                     self.open_shapefile("political.shp"))
130            self.failUnless(layer.HasClassification())
131            self.failUnless(layer.HasShapes())
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 144  class TestLayer(unittest.TestCase, suppo Line 147  class TestLayer(unittest.TestCase, suppo
147          """Test Layer with point shapes"""          """Test Layer with point shapes"""
148          layer = self.layer = Layer("Test Layer",          layer = self.layer = Layer("Test Layer",
149                             self.open_shapefile("cultural_landmark-point.shp"))                             self.open_shapefile("cultural_landmark-point.shp"))
150            self.failUnless(layer.HasClassification())
151            self.failUnless(layer.HasShapes())
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 182  class TestLayer(unittest.TestCase, suppo Line 187  class TestLayer(unittest.TestCase, suppo
187          self.assertEquals(layer.GetFieldType("non existing"), None)          self.assertEquals(layer.GetFieldType("non existing"), None)
188    
189      def test_raster_layer(self):      def test_raster_layer(self):
190            if not Thuban.Model.resource.has_gdal_support():
191                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)
195            self.failIf(layer.HasClassification())
196            self.failIf(layer.HasShapes())
197          self.assertEquals(layer.GetImageFilename(), filename)          self.assertEquals(layer.GetImageFilename(), filename)
198          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
199                                   [-24.5500000, 63.2833330,                                   [-24.5500000, 63.2833330,
# Line 201  class TestLayer(unittest.TestCase, suppo Line 211  class TestLayer(unittest.TestCase, suppo
211              derived = DerivedShapeStore(store, store.Table())              derived = DerivedShapeStore(store, store.Table())
212              layer.SetShapeStore(derived)              layer.SetShapeStore(derived)
213              self.assert_(layer.ShapeStore() is derived)              self.assert_(layer.ShapeStore() is derived)
214    
215                self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
216                self.assertEquals(layer.NumShapes(), 839)
217                shape = layer.Shape(32)
218                self.assertPointListEquals(shape.Points(),
219                                           [[(-15.082174301147, 66.277381896972),
220                                             (-15.026350021362, 66.273391723632)]])
221                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
234    
235    
236  class SetShapeStoreTests(unittest.TestCase):  class SetShapeStoreTests(unittest.TestCase, support.SubscriberMixin):
237    
238      def setUp(self):      def setUp(self):
239          """Create a layer with a classification as self.layer"""          """Create a layer with a classification as self.layer"""
240            self.clear_messages()
241          self.session = Session("Test session for %s" % self.__class__)          self.session = Session("Test session for %s" % self.__class__)
242          self.shapefilename = os.path.join("..", "Data", "iceland",          self.shapefilename = os.path.join("..", "Data", "iceland",
243                                            "cultural_landmark-point.dbf")                                            "cultural_landmark-point.dbf")
244          self.store = self.session.OpenShapefile(self.shapefilename)          self.store = self.session.OpenShapefile(self.shapefilename)
245          self.layer = Layer("test layer", self.store)          self.layer = Layer("test layer", self.store)
246          self.classification = Classification(field = "CLPTLABEL")          self.classification = Classification()
247          self.classification.AppendGroup(ClassGroupSingleton("FARM"))          self.classification.AppendGroup(ClassGroupSingleton("FARM"))
248            self.layer.SetClassificationColumn("CLPTLABEL")
249          self.layer.SetClassification(self.classification)          self.layer.SetClassification(self.classification)
250            self.layer.UnsetModified()
251            self.layer.Subscribe(LAYER_SHAPESTORE_REPLACED,
252                                 self.subscribe_with_params,
253                                 LAYER_SHAPESTORE_REPLACED)
254            self.layer.Subscribe(LAYER_CHANGED,
255                                 self.subscribe_with_params, LAYER_CHANGED)
256    
257      def tearDown(self):      def tearDown(self):
258            self.clear_messages()
259          self.layer.Destroy()          self.layer.Destroy()
260          self.session.Destroy()          self.session.Destroy()
261          self.session = self.layer = self.store = self.classification = None          self.session = self.layer = self.store = self.classification = None
262    
263      def test_sanity(self):      def test_sanity(self):
264          """SetShapeStoreTests sanity check"""          """SetShapeStoreTests sanity check
265    
266            Test the initial state of the test case instances after setUp.
267            """
268          cls = self.layer.GetClassification()          cls = self.layer.GetClassification()
269          self.assert_(cls is self.classification)          self.assert_(cls is self.classification)
270          self.assertEquals(cls.GetField(), "CLPTLABEL")          field = self.layer.GetClassificationColumn()
271          self.assertEquals(cls.GetFieldType(), FIELDTYPE_STRING)          self.assertEquals(field, "CLPTLABEL")
272            self.assertEquals(self.layer.GetFieldType(field), FIELDTYPE_STRING)
273          self.assertEquals(self.layer.GetClassification().GetNumGroups(), 1)          self.assertEquals(self.layer.GetClassification().GetNumGroups(), 1)
274            self.failIf(self.layer.WasModified())
275    
276        def test_set_shape_store_modified_flag(self):
277            """Test whether Layer.SetShapeStore() sets the modified flag"""
278            memtable = MemoryTable([("FOO", FIELDTYPE_STRING)],
279                          [("bla",)] * self.layer.ShapeStore().Table().NumRows())
280            self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
281    
282            self.assert_(self.layer.WasModified())
283    
284      def test_set_shape_store_different_field_name(self):      def test_set_shape_store_different_field_name(self):
285          """Test Layer.SetShapeStore() with different column name"""          """Test Layer.SetShapeStore() with different column name"""
# Line 238  class SetShapeStoreTests(unittest.TestCa Line 288  class SetShapeStoreTests(unittest.TestCa
288          self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))          self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
289          # The classification should contain only the default group now.          # The classification should contain only the default group now.
290          self.assertEquals(self.layer.GetClassification().GetNumGroups(), 0)          self.assertEquals(self.layer.GetClassification().GetNumGroups(), 0)
291            self.check_messages([(self.layer, LAYER_CHANGED),
292                                 (self.layer, LAYER_SHAPESTORE_REPLACED)])
293    
294      def test_set_shape_store_same_field(self):      def test_set_shape_store_same_field(self):
295          """Test Layer.SetShapeStore() with same column name and type"""          """Test Layer.SetShapeStore() with same column name and type"""
# Line 246  class SetShapeStoreTests(unittest.TestCa Line 298  class SetShapeStoreTests(unittest.TestCa
298          self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))          self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
299          # The classification should be the same as before          # The classification should be the same as before
300          self.assert_(self.layer.GetClassification() is self.classification)          self.assert_(self.layer.GetClassification() is self.classification)
301            self.check_messages([(self.layer, LAYER_SHAPESTORE_REPLACED)])
302    
303      def test_set_shape_store_same_field_different_type(self):      def test_set_shape_store_same_field_different_type(self):
304          """Test Layer.SetShapeStore() with same column name but different type          """Test Layer.SetShapeStore() with same column name but different type
# Line 255  class SetShapeStoreTests(unittest.TestCa Line 308  class SetShapeStoreTests(unittest.TestCa
308          self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))          self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
309          # The classification should contain only the default group now.          # The classification should contain only the default group now.
310          self.assertEquals(self.layer.GetClassification().GetNumGroups(), 0)          self.assertEquals(self.layer.GetClassification().GetNumGroups(), 0)
311            self.check_messages([(self.layer, LAYER_CHANGED),
312                                 (self.layer, LAYER_SHAPESTORE_REPLACED)])
313    
314    
315  class TestLayerLegend(unittest.TestCase, support.SubscriberMixin):  class TestLayerModification(unittest.TestCase, support.SubscriberMixin):
316    
317      """Test cases for Layer method that modify the layer.      """Test cases for Layer method that modify the layer.
318      """      """
# Line 277  class TestLayerLegend(unittest.TestCase, Line 332  class TestLayerLegend(unittest.TestCase,
332          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,
333                               self.subscribe_with_params,                               self.subscribe_with_params,
334                               LAYER_VISIBILITY_CHANGED)                               LAYER_VISIBILITY_CHANGED)
335            self.layer.Subscribe(LAYER_CHANGED, self.subscribe_with_params,
336                                 LAYER_CHANGED)
337    
338      def tearDown(self):      def tearDown(self):
339          """Clear the list of received messages and explictly destroy self.layer          """Clear the list of received messages and explictly destroy self.layer
# Line 287  class TestLayerLegend(unittest.TestCase, Line 344  class TestLayerLegend(unittest.TestCase,
344          self.session = None          self.session = None
345          self.clear_messages()          self.clear_messages()
346    
347      def test_initial_settings(self):      def test_sanity(self):
348          """Test Layer's initial legend attributes"""          """TestLayerModification Sanity Checks"""
349          # test default settings          # test default settings
350          self.failIf(self.layer.WasModified())          self.failIf(self.layer.WasModified())
         #self.assertEquals(self.layer.fill, None)  
         #self.assertEquals(self.layer.stroke.hex(), "#000000")  
         #self.assertEquals(self.layer.stroke_width, 1)  
351          self.assertEquals(self.layer.Visible(), 1)          self.assertEquals(self.layer.Visible(), 1)
352          # no messages should have been produced          # no messages should have been produced
353          self.check_messages([])          self.check_messages([])
# Line 308  class TestLayerLegend(unittest.TestCase, Line 362  class TestLayerLegend(unittest.TestCase,
362          # the layer.          # the layer.
363          self.failIf(self.layer.WasModified())          self.failIf(self.layer.WasModified())
364    
365            def test_set_classification(self):
366            """Test Layer.SetClassification"""
367            classification = Classification()
368            classification.AppendGroup(ClassGroupRange((0.0, 0.1)))
369    
370            self.layer.SetClassification(classification)
371            self.layer.SetClassificationColumn("AREA")
372    
373            self.check_messages([(self.layer, LAYER_CHANGED),
374                                 (self.layer, LAYER_CHANGED)])
375            self.failUnless(self.layer.WasModified())
376    
377            self.clear_messages()
378            self.layer.UnsetModified()
379    
380            # change only the classification column. This should issue a
381            # LAYER_CHANGED message as well.
382            self.layer.SetClassificationColumn("PERIMETER")
383    
384            self.check_messages([(self.layer, LAYER_CHANGED)])
385            self.failUnless(self.layer.WasModified())
386    
387    
388  #  #
389  # the tree info now contains Color objects which are difficult to test  # the tree info now contains Color objects which are difficult to test
390  #  #
Legend:
Removed from v.1088  
changed lines
  Added in v.1576
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