/[thuban]/branches/WIP-pyshapelib-bramz/test/test_layer.py
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revision 331 by bh, Fri Sep 20 14:34:23 2002 UTC revision 1983 by bh, Thu Nov 27 15:57:23 2003 UTC
# Line 1  Line 1 
1  # Copyright (c) 2002 by Intevation GmbH  # Copyright (c) 2002, 2003 by Intevation GmbH
2  # Authors:  # Authors:
3  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
4  #  #
# Line 16  __version__ = "$Revision$" Line 16  __version__ = "$Revision$"
16  import os  import os
17  import unittest  import unittest
18    
19    import mockgeo
20  import support  import support
21  support.initthuban()  support.initthuban()
22    
23  import shapelib  import shapelib
24    import dbflib
25    
26  from Thuban.Model.layer import Layer, SHAPETYPE_POLYGON, SHAPETYPE_ARC, \  from Thuban.Model.session import Session
27       SHAPETYPE_POINT  from Thuban.Model.layer import BaseLayer, Layer, RasterLayer
28    from Thuban.Model.data import SHAPETYPE_POLYGON, SHAPETYPE_ARC, SHAPETYPE_POINT
29  from Thuban.Model.messages import LAYER_LEGEND_CHANGED, \  from Thuban.Model.messages import LAYER_LEGEND_CHANGED, \
30       LAYER_VISIBILITY_CHANGED       LAYER_VISIBILITY_CHANGED, LAYER_SHAPESTORE_REPLACED, LAYER_CHANGED
31  from Thuban.Model.color import Color  from Thuban.Model.table import FIELDTYPE_DOUBLE, FIELDTYPE_STRING, MemoryTable
32    from Thuban.Model.proj import Projection
33    from Thuban.Model.data import DerivedShapeStore
34    from Thuban.Model.classification import Classification, ClassGroupSingleton, \
35         ClassGroupRange
36    
37    import Thuban.Model.resource
38    
39  class TestLayer(unittest.TestCase, support.FileTestMixin,  class TestLayer(unittest.TestCase, support.FileTestMixin,
40                  support.FloatComparisonMixin):                  support.FloatComparisonMixin):
41    
42      """Test cases for different layer (shape) types"""      """Test cases for different layer (shape) types"""
43    
44      def assertFloatTuplesEqual(self, test, value):      def setUp(self):
45          """Assert equality of two lists of tuples of float"""          """Create a session self.session and initialize self.layer to None"""
46          for i in range(len(test)):          self.session = Session("Test session for %s" % self.__class__)
47              self.assertFloatSeqEqual(test[i], value[i])          self.layer = None
48    
49        def tearDown(self):
50            """Call the layer's Destroy method and set session and layer to None"""
51            self.session.Destroy()
52            self.session = None
53            if self.layer is not None:
54                self.layer.Destroy()
55                self.layer = None
56    
57        def build_path(self, filename):
58            return os.path.join("..", "Data", "iceland", filename)
59    
60        def open_shapefile(self, filename):
61            """Open and return a shapestore for filename in the iceland data set"""
62            return self.session.OpenShapefile(self.build_path(filename))
63    
64        def test_base_layer(self):
65            layer = self.layer = BaseLayer("Test BaseLayer")
66            self.assertEquals(layer.Title(), "Test BaseLayer")
67            self.failUnless(layer.Visible())
68    
69            # toggle visibility
70            layer.SetVisible(False)
71            self.failIf(layer.Visible())
72    
73            layer.SetVisible(True)
74            self.failUnless(layer.Visible())
75    
76            self.failIf(layer.HasClassification())
77            self.failIf(layer.HasShapes())
78    
79            self.assertEquals(layer.GetProjection(), None)
80    
81            # set/get projection
82            proj = Projection(["proj=utm", "zone=26", "ellps=clrk66"])
83    
84            layer.SetProjection(proj)
85            self.failUnless(layer.GetProjection() is proj)
86    
87            # __init__ with other arguments
88            layer = BaseLayer("Test BaseLayer", False, proj)
89            self.failIf(layer.Visible())
90            self.failUnless(layer.GetProjection() is proj)
91    
92      def test_arc_layer(self):      def test_arc_layer(self):
93          """Test Layer with arc shapes"""          """Test Layer with arc shapes"""
94          layer = Layer("Test Layer",          layer = self.layer = Layer("Test Layer",
95                        os.path.join("..", "Data", "iceland", "roads-line.shp"))                                     self.open_shapefile("roads-line.shp"))
96          self.assertEquals(layer.Title(), "Test Layer")          self.failUnless(layer.HasClassification())
97            self.failUnless(layer.HasShapes())
98          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)          self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
99          self.assertEquals(layer.NumShapes(), 839)          self.assertEquals(layer.NumShapes(), 839)
100          shape = layer.Shape(32)          shape = layer.Shape(32)
101          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
102                                      [(-15.082174301147461, 66.27738189697265),                                     [[(-15.082174301147461, 66.27738189697265),
103                                       (-15.026350021362305, 66.27339172363281)])                                       (-15.026350021362305, 66.27339172363281)]])
104          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
105                                   [-24.450359344482422, 63.426830291748047,                                   [-24.450359344482422, 63.426830291748047,
106                                    -13.55668830871582, 66.520111083984375])                                    -13.55668830871582, 66.520111083984375])
107          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25))
108            self.assertEquals([s.ShapeID() for s in shapes],
109                            [613, 726, 838])                            [613, 726, 838])
110    
111            self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
112                              [-15.082174301147461, 66.27339172363281,
113                               -15.026350021362305, 66.27738189697265])
114    
115            shape = layer.Shape(33)
116            self.assertPointListEquals(shape.Points(),
117                                       [[(-22.24850654602050, 66.30645751953125),
118                                         (-22.23273086547851, 66.29407501220703),
119                                         (-22.23158073425293,  66.2876892089843),
120                                         (-22.24631881713867, 66.27006530761718)]])
121    
122            self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]),
123                                     [-22.248506546020508, 66.270065307617188,
124                                      -15.026350021362305, 66.30645751953125])
125    
126            self.assertEquals(layer.ShapesBoundingBox([]), None)
127            self.assertEquals(layer.ShapesBoundingBox(None), None)
128    
129      def test_polygon_layer(self):      def test_polygon_layer(self):
130          """Test Layer with polygon shapes"""          """Test Layer with polygon shapes"""
131          layer = Layer("Test Layer",          layer = self.layer = Layer("Test Layer",
132                        os.path.join("..", "Data", "iceland", "political.shp"))                                     self.open_shapefile("political.shp"))
133          self.assertEquals(layer.Title(), "Test Layer")          self.failUnless(layer.HasClassification())
134            self.failUnless(layer.HasShapes())
135          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON)
136          self.assertEquals(layer.NumShapes(), 156)          self.assertEquals(layer.NumShapes(), 156)
137          shape = layer.Shape(4)          shape = layer.Shape(4)
138          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
139                                      [(-22.406391143798828, 64.714111328125),                                     [[(-22.40639114379882, 64.714111328125),
140                                       (-22.41621208190918, 64.71600341796875),                                       (-22.41621208190918, 64.7160034179687),
141                                       (-22.406051635742188, 64.719200134277344),                                       (-22.40605163574218, 64.719200134277),
142                                       (-22.406391143798828, 64.714111328125)])                                       (-22.40639114379882, 64.714111328125)]])
143          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
144                                   [-24.546524047851562, 63.286754608154297,                                   [-24.546524047851562, 63.286754608154297,
145                                    -13.495815277099609, 66.563774108886719])                                    -13.495815277099609, 66.563774108886719])
146          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.9, 64.1)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.9, 64.1))
147            self.assertEquals([s.ShapeID() for s in shapes],
148                            [91, 92, 144, 146, 148, 150, 152, 153])                            [91, 92, 144, 146, 148, 150, 152, 153])
149    
150      def test_point_layer(self):      def test_point_layer(self):
151          """Test Layer with point shapes"""          """Test Layer with point shapes"""
152          layer = Layer("Test Layer",          layer = self.layer = Layer("Test Layer",
153                        os.path.join("..", "Data", "iceland",                             self.open_shapefile("cultural_landmark-point.shp"))
154                                     "cultural_landmark-point.shp"))          self.failUnless(layer.HasClassification())
155          self.assertEquals(layer.Title(), "Test Layer")          self.failUnless(layer.HasShapes())
156          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)          self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT)
157          self.assertEquals(layer.NumShapes(), 34)          self.assertEquals(layer.NumShapes(), 34)
158          shape = layer.Shape(0)          shape = layer.Shape(0)
159          self.assertFloatTuplesEqual(shape.Points(),          self.assertPointListEquals(shape.Points(),
160                                      [(-22.711074829101562, 66.36572265625)])                                     [[(-22.711074829101562, 66.36572265625)]])
161          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
162                                   [-23.806047439575195, 63.405960083007812,                                   [-23.806047439575195, 63.405960083007812,
163                                    -15.12291431427002, 66.36572265625])                                    -15.12291431427002, 66.36572265625])
164          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.80, 64.1)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.80, 64.1))
165            self.assertEquals([s.ShapeID() for s in shapes],
166                            [0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31])                            [0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31])
167    
168        def test_arc_layer_with_projection(self):
169            """Test Layer with point shapes and a projection"""
170            # We use mock data here so that we have precise control over the
171            # values
172            table = MemoryTable([("FOO", FIELDTYPE_STRING)], [("bla",)])
173            store = mockgeo.SimpleShapeStore(SHAPETYPE_ARC,
174                                  [[[(9884848.1401601825, 5607709.9111020016),
175                                     (11298371.027199602, 9287809.2948032897)]]],
176                                             table)
177            layer = self.layer = Layer("Test Layer", store)
178    
179            proj = Projection(["proj=lcc", "lon_0=0", "lat_1=20n", "lat_2=60n"])
180            layer.SetProjection(proj)
181    
182            self.assertFloatSeqEqual(layer.BoundingBox(),
183                                     (9884848.1401601825, 5607709.9111020016,
184                                      11298371.027199602, 9287809.2948032897))
185            self.assertFloatSeqEqual(layer.LatLongBoundingBox(),
186                                     (90.0, -8.899852, 120, 11.16092))
187            shapes = layer.ShapesInRegion((100, -10, 150, +10))
188            self.assertEquals([s.ShapeID() for s in shapes], [0])
189            self.assertFloatSeqEqual(layer.ShapesBoundingBox([0]),
190                                     (90.0, -8.899852, 120, 11.16092))
191    
192      def test_empty_layer(self):      def test_empty_layer(self):
193          """Test Layer with empty shape file"""          """Test Layer with empty shape file"""
194          # create an empty shape file          # create an empty shape file
195          shapefilename = self.temp_file_name("layer_empty.shp")          shapefilename = self.temp_file_name("layer_empty.shp")
196          shp = shapelib.create(shapefilename, shapelib.SHPT_POLYGON)          shp = shapelib.create(shapefilename, shapelib.SHPT_POLYGON)
197          shp.close()          shp.close()
198            # create an empty DBF file too because Thuban can't cope yet
199          layer = Layer("Empty Layer", shapefilename)          # with missing DBF file.
200            dbffilename = self.temp_file_name("layer_empty.dbf")
201            dbf = dbflib.create(dbffilename)
202            dbf.add_field("NAME", dbflib.FTString, 20, 0)
203            dbf.close()
204    
205            # Now try to open it.
206            layer = self.layer = Layer("Empty Layer",
207                                       self.session.OpenShapefile(shapefilename))
208          self.assertEquals(layer.BoundingBox(), None)          self.assertEquals(layer.BoundingBox(), None)
209          self.assertEquals(layer.LatLongBoundingBox(), None)          self.assertEquals(layer.LatLongBoundingBox(), None)
210          self.assertEquals(layer.NumShapes(), 0)          self.assertEquals(layer.NumShapes(), 0)
211    
212        def test_get_field_type(self):
213            """Test Layer.GetFieldType()"""
214            layer = self.layer = Layer("Test Layer",
215                                       self.open_shapefile("roads-line.shp"))
216            self.assertEquals(layer.GetFieldType("LENGTH"), FIELDTYPE_DOUBLE)
217            self.assertEquals(layer.GetFieldType("non existing"), None)
218    
219        def test_raster_layer(self):
220            if not Thuban.Model.resource.has_gdal_support():
221                raise support.SkipTest("No gdal support")
222    
223            filename = self.build_path("island.tif")
224            layer = RasterLayer("Test RasterLayer", filename)
225            self.failIf(layer.HasClassification())
226            self.failIf(layer.HasShapes())
227            self.assertEquals(layer.GetImageFilename(), os.path.abspath(filename))
228            self.assertFloatSeqEqual(layer.BoundingBox(),
229                                     [-24.5500000, 63.2833330,
230                                      -13.4916670, 66.5666670])
231            self.assertFloatSeqEqual(layer.LatLongBoundingBox(),
232                                     [-24.5500000, 63.2833330,
233                                      -13.4916670, 66.5666670])
234    
235        def test_derived_store(self):
236            """Test layer with derived store"""
237            layer = self.layer = Layer("Test Layer",
238                                       self.open_shapefile("roads-line.shp"))
239            try:
240                store = layer.ShapeStore()
241                derived = DerivedShapeStore(store, store.Table())
242                layer.SetShapeStore(derived)
243                self.assert_(layer.ShapeStore() is derived)
244    
245                self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC)
246                self.assertEquals(layer.NumShapes(), 839)
247                shape = layer.Shape(32)
248                self.assertPointListEquals(shape.Points(),
249                                           [[(-15.082174301147, 66.277381896972),
250                                             (-15.026350021362, 66.273391723632)]])
251                self.assertFloatSeqEqual(layer.BoundingBox(),
252                                         [-24.450359344482422, 63.426830291748047,
253                                          -13.55668830871582, 66.520111083984375])
254                shapes = layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25))
255                self.assertEquals([s.ShapeID() for s in shapes],
256                                  [613, 726, 838])
257    
258                self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
259                                         [-15.082174301147461, 66.27339172363281,
260                                          -15.026350021362305, 66.27738189697265])
261    
262            finally:
263                store = derived = None
264    
265    
266    class SetShapeStoreTests(unittest.TestCase, support.SubscriberMixin):
267    
268        def setUp(self):
269            """Create a layer with a classification as self.layer"""
270            self.clear_messages()
271            self.session = Session("Test session for %s" % self.__class__)
272            self.shapefilename = os.path.join("..", "Data", "iceland",
273                                              "cultural_landmark-point.dbf")
274            self.store = self.session.OpenShapefile(self.shapefilename)
275            self.layer = Layer("test layer", self.store)
276            self.classification = Classification()
277            self.classification.AppendGroup(ClassGroupSingleton("FARM"))
278            self.layer.SetClassificationColumn("CLPTLABEL")
279            self.layer.SetClassification(self.classification)
280            self.layer.UnsetModified()
281            self.layer.Subscribe(LAYER_SHAPESTORE_REPLACED,
282                                 self.subscribe_with_params,
283                                 LAYER_SHAPESTORE_REPLACED)
284            self.layer.Subscribe(LAYER_CHANGED,
285                                 self.subscribe_with_params, LAYER_CHANGED)
286    
287        def tearDown(self):
288            self.clear_messages()
289            self.layer.Destroy()
290            self.session.Destroy()
291            self.session = self.layer = self.store = self.classification = None
292    
293        def test_sanity(self):
294            """SetShapeStoreTests sanity check
295    
296  class TestLayerLegend(unittest.TestCase, support.SubscriberMixin):          Test the initial state of the test case instances after setUp.
297            """
298            cls = self.layer.GetClassification()
299            self.assert_(cls is self.classification)
300            field = self.layer.GetClassificationColumn()
301            self.assertEquals(field, "CLPTLABEL")
302            self.assertEquals(self.layer.GetFieldType(field), FIELDTYPE_STRING)
303            self.assertEquals(self.layer.GetClassification().GetNumGroups(), 1)
304            self.failIf(self.layer.WasModified())
305    
306        def test_set_shape_store_modified_flag(self):
307            """Test whether Layer.SetShapeStore() sets the modified flag"""
308            memtable = MemoryTable([("FOO", FIELDTYPE_STRING)],
309                          [("bla",)] * self.layer.ShapeStore().Table().NumRows())
310            self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
311    
312            self.assert_(self.layer.WasModified())
313    
314        def test_set_shape_store_different_field_name(self):
315            """Test Layer.SetShapeStore() with different column name"""
316            memtable = MemoryTable([("FOO", FIELDTYPE_STRING)],
317                          [("bla",)] * self.layer.ShapeStore().Table().NumRows())
318            self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
319            # The classification should contain only the default group now.
320            self.assertEquals(self.layer.GetClassification().GetNumGroups(), 0)
321            self.check_messages([(self.layer, LAYER_CHANGED),
322                                 (self.layer, LAYER_SHAPESTORE_REPLACED)])
323    
324        def test_set_shape_store_same_field(self):
325            """Test Layer.SetShapeStore() with same column name and type"""
326            memtable = MemoryTable([("CLPTLABEL", FIELDTYPE_STRING)],
327                          [("bla",)] * self.layer.ShapeStore().Table().NumRows())
328            self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
329            # The classification should be the same as before
330            self.assert_(self.layer.GetClassification() is self.classification)
331            self.check_messages([(self.layer, LAYER_SHAPESTORE_REPLACED)])
332    
333        def test_set_shape_store_same_field_different_type(self):
334            """Test Layer.SetShapeStore() with same column name but different type
335            """
336            memtable = MemoryTable([("CLPTLABEL", FIELDTYPE_DOUBLE)],
337                          [(0.0,)] * self.layer.ShapeStore().Table().NumRows())
338            self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable))
339            # The classification should contain only the default group now.
340            self.assertEquals(self.layer.GetClassification().GetNumGroups(), 0)
341            self.check_messages([(self.layer, LAYER_CHANGED),
342                                 (self.layer, LAYER_SHAPESTORE_REPLACED)])
343    
344    
345    class TestLayerModification(unittest.TestCase, support.SubscriberMixin):
346    
347      """Test cases for Layer method that modify the layer.      """Test cases for Layer method that modify the layer.
348      """      """
349    
350      def setUp(self):      def setUp(self):
351          """Clear the list of received messages and create a layer          """Clear the list of received messages and create a layer and a session
352    
353          The layer is bound to self.layer.          The layer is bound to self.layer and the session to self.session.
354          """          """
355          self.clear_messages()          self.clear_messages()
356            self.session = Session("Test session for %s" % self.__class__)
357            filename = os.path.join("..", "Data", "iceland", "political.shp")
358          self.layer = Layer("Test Layer",          self.layer = Layer("Test Layer",
359                             os.path.join("..", "Data", "iceland",                             self.session.OpenShapefile(filename))
                                         "political.shp"))  
360          self.layer.Subscribe(LAYER_LEGEND_CHANGED, self.subscribe_with_params,          self.layer.Subscribe(LAYER_LEGEND_CHANGED, self.subscribe_with_params,
361                               LAYER_LEGEND_CHANGED)                               LAYER_LEGEND_CHANGED)
362          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,          self.layer.Subscribe(LAYER_VISIBILITY_CHANGED,
363                               self.subscribe_with_params,                               self.subscribe_with_params,
364                               LAYER_VISIBILITY_CHANGED)                               LAYER_VISIBILITY_CHANGED)
365            self.layer.Subscribe(LAYER_CHANGED, self.subscribe_with_params,
366                                 LAYER_CHANGED)
367    
368      def tearDown(self):      def tearDown(self):
369          """Clear the list of received messages and explictly destroy self.layer          """Clear the list of received messages and explictly destroy self.layer
370          """          """
371          self.layer.Destroy()          self.layer.Destroy()
372            self.layer = None
373            self.session.Destroy()
374            self.session = None
375          self.clear_messages()          self.clear_messages()
376    
377      def test_initial_settings(self):      def test_sanity(self):
378          """Test Layer's initial legend attributes"""          """TestLayerModification Sanity Checks"""
379          # test default settings          # test default settings
380          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)  
381          self.assertEquals(self.layer.Visible(), 1)          self.assertEquals(self.layer.Visible(), 1)
382          # no messages should have been produced          # no messages should have been produced
383          self.check_messages([])          self.check_messages([])
384    
     def test_fill(self):  
         """Test Layer's fill attribute"""  
         # modify the fill  
         self.layer.SetFill(Color(0.5, 1.0, 0.75))  
         self.check_messages([(self.layer, LAYER_LEGEND_CHANGED)])  
         self.assertEquals(self.layer.fill.hex().lower(), "#7fffbf")  
         self.assert_(self.layer.WasModified())  
   
     def test_stroke(self):  
         """Test Layer's stroke attribute"""  
         self.layer.SetStroke(Color(0.5, 1.0, 0.75))  
         self.assertEquals(self.layer.stroke.hex().lower(), "#7fffbf")  
         self.check_messages([(self.layer, LAYER_LEGEND_CHANGED)])  
         self.assert_(self.layer.WasModified())  
   
     def test_stroke_width(self):  
         """Test Layer's stroke_width attribute"""  
         self.layer.SetStrokeWidth(3.0)  
         self.assertEquals(self.layer.stroke_width, 3.0)  
         self.check_messages([(self.layer, LAYER_LEGEND_CHANGED)])  
         self.assert_(self.layer.WasModified())  
   
385      def test_visibility(self):      def test_visibility(self):
386          """Test Layer visibility"""          """Test Layer visibility"""
387          self.layer.SetVisible(0)          self.layer.SetVisible(0)
# Line 172  class TestLayerLegend(unittest.TestCase, Line 392  class TestLayerLegend(unittest.TestCase,
392          # the layer.          # the layer.
393          self.failIf(self.layer.WasModified())          self.failIf(self.layer.WasModified())
394    
395      def test_tree_info(self):      def test_set_classification(self):
396          """Test Layer.TreeInfo"""          """Test Layer.SetClassification"""
397          self.assertEquals(self.layer.TreeInfo(),          classification = Classification()
398                            ("Layer 'Test Layer'",          classification.AppendGroup(ClassGroupRange((0.0, 0.1)))
399                             ['Shown',  
400                              'Shapes: 156',          self.layer.SetClassification(classification)
401                              ('Extent (lat-lon):'          self.layer.SetClassificationColumn("AREA")
402                               ' (-24.5465, 63.2868, -13.4958, 66.5638)'),  
403                              'Shapetype: Polygon',          self.check_messages([(self.layer, LAYER_CHANGED),
404                              'Fill: None',                               (self.layer, LAYER_CHANGED)])
405                              'Outline: (0.000, 0.000, 0.000)']))          self.failUnless(self.layer.WasModified())
406    
407            self.clear_messages()
408            self.layer.UnsetModified()
409    
410            # change only the classification column. This should issue a
411            # LAYER_CHANGED message as well.
412            self.layer.SetClassificationColumn("PERIMETER")
413    
414            self.check_messages([(self.layer, LAYER_CHANGED)])
415            self.failUnless(self.layer.WasModified())
416    
417    
418    #
419    # the tree info now contains Color objects which are difficult to test
420    #
421    #   def test_tree_info(self):
422    #       """Test Layer.TreeInfo"""
423    #       self.assertEquals(self.layer.TreeInfo(),
424    #                         ("Layer 'Test Layer'",
425    #                          ['Shown',
426    #                           'Shapes: 156',
427    #                           ('Extent (lat-lon):'
428    #                            ' (-24.5465, 63.2868, -13.4958, 66.5638)'),
429    #                           'Shapetype: Polygon',
430    #                           'Fill: None',
431    #                           'Outline: (0.000, 0.000, 0.000)']))
432    
433    
434  if __name__ == "__main__":  if __name__ == "__main__":
435      unittest.main()      support.run_tests()
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