/[thuban]/branches/WIP-pyshapelib-bramz/test/test_layer.py
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revision 996 by bh, Thu May 22 18:21:10 2003 UTC revision 1555 by bh, Thu Aug 7 15:41:05 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
30  from Thuban.Model.color import Color  from Thuban.Model.table import FIELDTYPE_DOUBLE, FIELDTYPE_STRING, MemoryTable
 from Thuban.Model.table import FIELDTYPE_DOUBLE  
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, \
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    
43      def assertFloatTuplesEqual(self, test, value):      def assertPointListEquals(self, test, value):
44          """Assert equality of two lists of tuples of float"""          """Assert equality of two lists of lists of tuples of float"""
45          for i in range(len(test)):          for i in range(len(test)):
46              self.assertFloatSeqEqual(test[i], value[i])              self.assertEquals(len(test[i]), len(value[i]))
47                for j in range(len(test[i])):
48                    self.assertFloatSeqEqual(test[i][j], value[i][j])
49    
50      def setUp(self):      def setUp(self):
51          """Create a session self.session and initialize self.layer to None"""          """Create a session self.session and initialize self.layer to None"""
# Line 74  class TestLayer(unittest.TestCase, suppo Line 79  class TestLayer(unittest.TestCase, suppo
79          self.failUnless(layer.Visible())          self.failUnless(layer.Visible())
80    
81          self.failIf(layer.HasClassification())          self.failIf(layer.HasClassification())
82            self.failIf(layer.HasShapes())
83    
84          self.assertEquals(layer.GetProjection(), None)          self.assertEquals(layer.GetProjection(), None)
85    
86          # set/get projection          # set/get projection
# Line 91  class TestLayer(unittest.TestCase, suppo Line 98  class TestLayer(unittest.TestCase, suppo
98          """Test Layer with arc shapes"""          """Test Layer with arc shapes"""
99          layer = self.layer = Layer("Test Layer",          layer = self.layer = Layer("Test Layer",
100                                     self.open_shapefile("roads-line.shp"))                                     self.open_shapefile("roads-line.shp"))
101            self.failUnless(layer.HasClassification())
102            self.failUnless(layer.HasShapes())
103          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
104          self.assertEquals(layer.NumShapes(), 839)          self.assertEquals(layer.NumShapes(), 839)
105          shape = layer.Shape(32)          shape = layer.Shape(32)
106          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
107                                      [(-15.082174301147461, 66.27738189697265),                                     [[(-15.082174301147461, 66.27738189697265),
108                                       (-15.026350021362305, 66.27339172363281)])                                       (-15.026350021362305, 66.27339172363281)]])
109          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
110                                   [-24.450359344482422, 63.426830291748047,                                   [-24.450359344482422, 63.426830291748047,
111                                    -13.55668830871582, 66.520111083984375])                                    -13.55668830871582, 66.520111083984375])
# Line 108  class TestLayer(unittest.TestCase, suppo Line 117  class TestLayer(unittest.TestCase, suppo
117                             -15.026350021362305, 66.27738189697265])                             -15.026350021362305, 66.27738189697265])
118    
119          shape = layer.Shape(33)          shape = layer.Shape(33)
120          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
121                                      [(-22.248506546020508, 66.30645751953125),                                     [[(-22.24850654602050, 66.30645751953125),
122                                       (-22.232730865478516, 66.294075012207031),                                       (-22.23273086547851, 66.29407501220703),
123                                       (-22.23158073425293,  66.287689208984375),                                       (-22.23158073425293,  66.2876892089843),
124                                       (-22.246318817138672, 66.270065307617188)])                                       (-22.24631881713867, 66.27006530761718)]])
125    
126          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]),          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]),
127                                   [-22.248506546020508, 66.270065307617188,                                   [-22.248506546020508, 66.270065307617188,
# Line 125  class TestLayer(unittest.TestCase, suppo Line 134  class TestLayer(unittest.TestCase, suppo
134          """Test Layer with polygon shapes"""          """Test Layer with polygon shapes"""
135          layer = self.layer = Layer("Test Layer",          layer = self.layer = Layer("Test Layer",
136                                     self.open_shapefile("political.shp"))                                     self.open_shapefile("political.shp"))
137            self.failUnless(layer.HasClassification())
138            self.failUnless(layer.HasShapes())
139          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)
140          self.assertEquals(layer.NumShapes(), 156)          self.assertEquals(layer.NumShapes(), 156)
141          shape = layer.Shape(4)          shape = layer.Shape(4)
142          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
143                                      [(-22.406391143798828, 64.714111328125),                                     [[(-22.40639114379882, 64.714111328125),
144                                       (-22.41621208190918, 64.71600341796875),                                       (-22.41621208190918, 64.7160034179687),
145                                       (-22.406051635742188, 64.719200134277344),                                       (-22.40605163574218, 64.719200134277),
146                                       (-22.406391143798828, 64.714111328125)])                                       (-22.40639114379882, 64.714111328125)]])
147          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
148                                   [-24.546524047851562, 63.286754608154297,                                   [-24.546524047851562, 63.286754608154297,
149                                    -13.495815277099609, 66.563774108886719])                                    -13.495815277099609, 66.563774108886719])
# Line 143  class TestLayer(unittest.TestCase, suppo Line 154  class TestLayer(unittest.TestCase, suppo
154          """Test Layer with point shapes"""          """Test Layer with point shapes"""
155          layer = self.layer = Layer("Test Layer",          layer = self.layer = Layer("Test Layer",
156                             self.open_shapefile("cultural_landmark-point.shp"))                             self.open_shapefile("cultural_landmark-point.shp"))
157            self.failUnless(layer.HasClassification())
158            self.failUnless(layer.HasShapes())
159          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)
160          self.assertEquals(layer.NumShapes(), 34)          self.assertEquals(layer.NumShapes(), 34)
161          shape = layer.Shape(0)          shape = layer.Shape(0)
162          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
163                                      [(-22.711074829101562, 66.36572265625)])                                     [[(-22.711074829101562, 66.36572265625)]])
164          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
165                                   [-23.806047439575195, 63.405960083007812,                                   [-23.806047439575195, 63.405960083007812,
166                                    -15.12291431427002, 66.36572265625])                                    -15.12291431427002, 66.36572265625])
# Line 181  class TestLayer(unittest.TestCase, suppo Line 194  class TestLayer(unittest.TestCase, suppo
194          self.assertEquals(layer.GetFieldType("non existing"), None)          self.assertEquals(layer.GetFieldType("non existing"), None)
195    
196      def test_raster_layer(self):      def test_raster_layer(self):
197            if not Thuban.Model.resource.has_gdal_support():
198                raise support.SkipTest("No gdal support")
199    
200          filename = self.build_path("island.tif")          filename = self.build_path("island.tif")
201          layer = RasterLayer("Test RasterLayer", filename)          layer = RasterLayer("Test RasterLayer", filename)
202            self.failIf(layer.HasClassification())
203            self.failIf(layer.HasShapes())
204          self.assertEquals(layer.GetImageFilename(), filename)          self.assertEquals(layer.GetImageFilename(), filename)
205          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
206                                   [-24.5500000, 63.2833330,                                   [-24.5500000, 63.2833330,
# Line 200  class TestLayer(unittest.TestCase, suppo Line 218  class TestLayer(unittest.TestCase, suppo
218              derived = DerivedShapeStore(store, store.Table())              derived = DerivedShapeStore(store, store.Table())
219              layer.SetShapeStore(derived)              layer.SetShapeStore(derived)
220              self.assert_(layer.ShapeStore() is derived)              self.assert_(layer.ShapeStore() is derived)
221    
222                self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
223                self.assertEquals(layer.NumShapes(), 839)
224                shape = layer.Shape(32)
225                self.assertPointListEquals(shape.Points(),
226                                           [[(-15.082174301147, 66.277381896972),
227                                             (-15.026350021362, 66.273391723632)]])
228                self.assertFloatSeqEqual(layer.BoundingBox(),
229                                         [-24.450359344482422, 63.426830291748047,
230                                          -13.55668830871582, 66.520111083984375])
231                self.assertEquals(layer.ShapesInRegion((-24.0, 64.0,
232                                                        -23.75, 64.25)),
233                                  [613, 726, 838])
234    
235                self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
236                                         [-15.082174301147461, 66.27339172363281,
237                                          -15.026350021362305, 66.27738189697265])
238    
239          finally:          finally:
240              store = derived = None              store = derived = None
241    
242    
243  class TestLayerLegend(unittest.TestCase, support.SubscriberMixin):  class SetShapeStoreTests(unittest.TestCase, support.SubscriberMixin):
244    
245        def setUp(self):
246            """Create a layer with a classification as self.layer"""
247            self.clear_messages()
248            self.session = Session("Test session for %s" % self.__class__)
249            self.shapefilename = os.path.join("..", "Data", "iceland",
250                                              "cultural_landmark-point.dbf")
251            self.store = self.session.OpenShapefile(self.shapefilename)
252            self.layer = Layer("test layer", self.store)
253            self.classification = Classification()
254            self.classification.AppendGroup(ClassGroupSingleton("FARM"))
255            self.layer.SetClassificationColumn("CLPTLABEL")
256            self.layer.SetClassification(self.classification)
257            self.layer.UnsetModified()
258            self.layer.Subscribe(LAYER_SHAPESTORE_REPLACED,
259                                 self.subscribe_with_params,
260                                 LAYER_SHAPESTORE_REPLACED)
261            self.layer.Subscribe(LAYER_CHANGED,
262                                 self.subscribe_with_params, LAYER_CHANGED)
263    
264        def tearDown(self):
265            self.clear_messages()
266            self.layer.Destroy()
267            self.session.Destroy()
268            self.session = self.layer = self.store = self.classification = None
269    
270        def test_sanity(self):
271            """SetShapeStoreTests sanity check
272    
273            Test the initial state of the test case instances after setUp.
274            """
275            cls = self.layer.GetClassification()
276            self.assert_(cls is self.classification)
277            field = self.layer.GetClassificationColumn()
278            self.assertEquals(field, "CLPTLABEL")
279            self.assertEquals(self.layer.GetFieldType(field), FIELDTYPE_STRING)
280            self.assertEquals(self.layer.GetClassification().GetNumGroups(), 1)
281            self.failIf(self.layer.WasModified())
282    
283        def test_set_shape_store_modified_flag(self):
284            """Test whether Layer.SetShapeStore() sets the modified flag"""
285            memtable = MemoryTable([("FOO", FIELDTYPE_STRING)],
286                          [("bla",)] * self.layer.ShapeStore().Table().NumRows())
287            self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
288    
289            self.assert_(self.layer.WasModified())
290    
291        def test_set_shape_store_different_field_name(self):
292            """Test Layer.SetShapeStore() with different column name"""
293            memtable = MemoryTable([("FOO", FIELDTYPE_STRING)],
294                          [("bla",)] * self.layer.ShapeStore().Table().NumRows())
295            self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
296            # The classification should contain only the default group now.
297            self.assertEquals(self.layer.GetClassification().GetNumGroups(), 0)
298            self.check_messages([(self.layer, LAYER_CHANGED),
299                                 (self.layer, LAYER_SHAPESTORE_REPLACED)])
300    
301        def test_set_shape_store_same_field(self):
302            """Test Layer.SetShapeStore() with same column name and type"""
303            memtable = MemoryTable([("CLPTLABEL", FIELDTYPE_STRING)],
304                          [("bla",)] * self.layer.ShapeStore().Table().NumRows())
305            self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
306            # The classification should be the same as before
307            self.assert_(self.layer.GetClassification() is self.classification)
308            self.check_messages([(self.layer, LAYER_SHAPESTORE_REPLACED)])
309    
310        def test_set_shape_store_same_field_different_type(self):
311            """Test Layer.SetShapeStore() with same column name but different type
312            """
313            memtable = MemoryTable([("CLPTLABEL", FIELDTYPE_DOUBLE)],
314                          [(0.0,)] * self.layer.ShapeStore().Table().NumRows())
315            self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
316            # The classification should contain only the default group now.
317            self.assertEquals(self.layer.GetClassification().GetNumGroups(), 0)
318            self.check_messages([(self.layer, LAYER_CHANGED),
319                                 (self.layer, LAYER_SHAPESTORE_REPLACED)])
320    
321    
322    class TestLayerModification(unittest.TestCase, support.SubscriberMixin):
323    
324      """Test cases for Layer method that modify the layer.      """Test cases for Layer method that modify the layer.
325      """      """
# Line 224  class TestLayerLegend(unittest.TestCase, Line 339  class TestLayerLegend(unittest.TestCase,
339          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,
340                               self.subscribe_with_params,                               self.subscribe_with_params,
341                               LAYER_VISIBILITY_CHANGED)                               LAYER_VISIBILITY_CHANGED)
342            self.layer.Subscribe(LAYER_CHANGED, self.subscribe_with_params,
343                                 LAYER_CHANGED)
344    
345      def tearDown(self):      def tearDown(self):
346          """Clear the list of received messages and explictly destroy self.layer          """Clear the list of received messages and explictly destroy self.layer
# Line 234  class TestLayerLegend(unittest.TestCase, Line 351  class TestLayerLegend(unittest.TestCase,
351          self.session = None          self.session = None
352          self.clear_messages()          self.clear_messages()
353    
354      def test_initial_settings(self):      def test_sanity(self):
355          """Test Layer's initial legend attributes"""          """TestLayerModification Sanity Checks"""
356          # test default settings          # test default settings
357          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)  
358          self.assertEquals(self.layer.Visible(), 1)          self.assertEquals(self.layer.Visible(), 1)
359          # no messages should have been produced          # no messages should have been produced
360          self.check_messages([])          self.check_messages([])
# Line 255  class TestLayerLegend(unittest.TestCase, Line 369  class TestLayerLegend(unittest.TestCase,
369          # the layer.          # the layer.
370          self.failIf(self.layer.WasModified())          self.failIf(self.layer.WasModified())
371    
372            def test_set_classification(self):
373            """Test Layer.SetClassification"""
374            classification = Classification()
375            classification.AppendGroup(ClassGroupRange((0.0, 0.1)))
376    
377            self.layer.SetClassification(classification)
378            self.layer.SetClassificationColumn("AREA")
379    
380            self.check_messages([(self.layer, LAYER_CHANGED),
381                                 (self.layer, LAYER_CHANGED)])
382            self.failUnless(self.layer.WasModified())
383    
384            self.clear_messages()
385            self.layer.UnsetModified()
386    
387            # change only the classification column. This should issue a
388            # LAYER_CHANGED message as well.
389            self.layer.SetClassificationColumn("PERIMETER")
390    
391            self.check_messages([(self.layer, LAYER_CHANGED)])
392            self.failUnless(self.layer.WasModified())
393    
394    
395  #  #
396  # the tree info now contains Color objects which are difficult to test  # the tree info now contains Color objects which are difficult to test
397  #  #
Legend:
Removed from v.996  
changed lines
  Added in v.1555
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