/[thuban]/branches/WIP-pyshapelib-bramz/test/test_transientdb.py
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revision 818 by bh, Mon May 5 17:18:31 2003 UTC revision 842 by bh, Tue May 6 17:13:00 2003 UTC
# Line 20  import support Line 20  import support
20  support.initthuban()  support.initthuban()
21    
22  from Thuban.Model.table import DBFTable, MemoryTable, FIELDTYPE_STRING, \  from Thuban.Model.table import DBFTable, MemoryTable, FIELDTYPE_STRING, \
23                                 FIELDTYPE_INT                                 FIELDTYPE_INT, FIELDTYPE_DOUBLE
24  from Thuban.Model.transientdb import TransientDatabase, TransientTable, \  from Thuban.Model.transientdb import TransientDatabase, TransientTable, \
25       TransientJoinedTable, AutoTransientTable       TransientJoinedTable, AutoTransientTable
26    
# Line 54  class TestTransientTable(unittest.TestCa Line 54  class TestTransientTable(unittest.TestCa
54          # decimal precision is always 0.          # decimal precision is always 0.
55          columns = table.Columns()          columns = table.Columns()
56          self.assertEquals(columns[0].name, 'AREA')          self.assertEquals(columns[0].name, 'AREA')
57          self.assertEquals(columns[0].type, 'double')          self.assertEquals(columns[0].type, FIELDTYPE_DOUBLE)
58          self.assertEquals(columns[3].name, 'PONET_ID')          self.assertEquals(columns[3].name, 'PONET_ID')
59          self.assertEquals(columns[3].type, 'int')          self.assertEquals(columns[3].type, FIELDTYPE_INT)
60          self.assertEquals(columns[6].name, 'POPYCOUN')          self.assertEquals(columns[6].name, 'POPYCOUN')
61          self.assertEquals(columns[6].type, 'string')          self.assertEquals(columns[6].type, FIELDTYPE_STRING)
62    
63            # HasColumn
64            self.failUnless(table.HasColumn("AREA"))
65            self.failUnless(table.HasColumn(1))
66            # HasColumn for non-exisiting columns
67            self.failIf(table.HasColumn("non_existing_name"))
68            self.failIf(table.HasColumn(100))
69    
70          # Read an `interesting' record          # Read an `interesting' record
71          self.assertEquals(table.ReadRowAsDict(144),          self.assertEquals(table.ReadRowAsDict(144),
# Line 68  class TestTransientTable(unittest.TestCa Line 75  class TestTransientTable(unittest.TestCa
75                             'POPYREG': '1',                             'POPYREG': '1',
76                             'PONET_ID': 145})                             'PONET_ID': 145})
77    
78          # field_range may induce a copy to the transient database.          # ValueRange may induce a copy to the transient database.
79          # Therefore we put it last so that we can execute this method          # Therefore we put it last so that we can execute this method
80          # twice to check whether the other methods still work after the          # twice to check whether the other methods still work after the
81          # copy          # copy
# Line 132  class TestTransientTable(unittest.TestCa Line 139  class TestTransientTable(unittest.TestCa
139    
140          self.assertEquals(table.NumRows(), 34)          self.assertEquals(table.NumRows(), 34)
141          self.assertEquals(table.NumColumns(), 8)          self.assertEquals(table.NumColumns(), 8)
142          self.assertEquals(table.field_info(0), ('double', 'AREA', 0, 0))          self.assertEquals(table.Column(0).type, FIELDTYPE_DOUBLE)
143          self.assertEquals(table.field_info(7), ('int', 'code', 0, 0))          self.assertEquals(table.Column(0).name, 'AREA')
144          self.assertEquals(table.field_info(4), ('string', 'CLPTLABEL', 0, 0))          self.assertEquals(table.Column(7).type, FIELDTYPE_INT)
145            self.assertEquals(table.Column(7).name, 'code')
146            self.assertEquals(table.Column(4).type, FIELDTYPE_STRING)
147            self.assertEquals(table.Column(4).name, 'CLPTLABEL')
148            # HasColumn
149            self.failUnless(table.HasColumn("AREA"))
150            self.failUnless(table.HasColumn(1))
151            # HasColumn for non-exisiting columns
152            self.failIf(table.HasColumn("non_existing_name"))
153            self.failIf(table.HasColumn(100))
154    
155          # Read an `interesting' record          # Read an `interesting' record
156          self.assertEquals(table.read_record(22),          self.assertEquals(table.ReadRowAsDict(22),
157                            {'PERIMETER': 0.0, 'CLPOINT_': 23,                            {'PERIMETER': 0.0, 'CLPOINT_': 23,
158                             'AREA': 0.0, 'CLPTLABEL': 'RUINS',                             'AREA': 0.0, 'CLPTLABEL': 'RUINS',
159                             'CLPOINT_ID': 38, 'CLPTFLAG': 0,                             'CLPOINT_ID': 38, 'CLPTFLAG': 0,
# Line 148  class TestTransientTable(unittest.TestCa Line 164  class TestTransientTable(unittest.TestCa
164    
165    
166      def test_transient_table_read_twice(self):      def test_transient_table_read_twice(self):
167          """Test TransientTable.read_record() reading the same record twice"""          """Test TransientTable.ReadRowAsDict() reading the same record twice"""
168          simple = MemoryTable([("type", FIELDTYPE_STRING),          simple = MemoryTable([("type", FIELDTYPE_STRING),
169                                ("code", FIELDTYPE_INT)],                                ("code", FIELDTYPE_INT)],
170                               [("OTHER/UNKNOWN", 0),                               [("OTHER/UNKNOWN", 0),
# Line 164  class TestTransientTable(unittest.TestCa Line 180  class TestTransientTable(unittest.TestCa
180          # unitialized local variable, so for passing the test it's          # unitialized local variable, so for passing the test it's
181          # enough if reading simply succeeds. OTOH, while we're at it we          # enough if reading simply succeeds. OTOH, while we're at it we
182          # might as well check whether the results are equal anyway :)          # might as well check whether the results are equal anyway :)
183          result1 = table.read_record(3)          result1 = table.ReadRowAsDict(3)
184          result2 = table.read_record(3)          result2 = table.ReadRowAsDict(3)
185          self.assertEquals(result1, result2)          self.assertEquals(result1, result2)
186    
187    
188        def test_transient_table_query(self):
189            """Test TransientTable.SimpleQuery()"""
190            simple = MemoryTable([("type", FIELDTYPE_STRING),
191                                  ("value", FIELDTYPE_DOUBLE),
192                                  ("code", FIELDTYPE_INT)],
193                                 [("OTHER/UNKNOWN", -1.5, 11),
194                                  ("RUINS", 0.0, 1),
195                                  ("FARM", 3.141, 2),
196                                  ("BUILDING", 2.5, 3),
197                                  ("HUT", 1e6, 4),
198                                  ("LIGHTHOUSE", -0.01, 5)])
199            table = TransientTable(self.transientdb, simple)
200    
201            # A column and a value
202            self.assertEquals(table.SimpleQuery(table.Column(0), "==", "RUINS"),
203                              [1])
204            self.assertEquals(table.SimpleQuery(table.Column(2), "!=", 2),
205                              [0, 1, 3, 4, 5])
206            self.assertEquals(table.SimpleQuery(table.Column(1), "<", 1.0),
207                              [0, 1, 5])
208            self.assertEquals(table.SimpleQuery(table.Column(1), "<=", -1.5),
209                              [0])
210            self.assertEquals(table.SimpleQuery(table.Column(2), ">", 3),
211                              [0, 4, 5])
212            self.assertEquals(table.SimpleQuery(table.Column(2), ">=", 3),
213                              [0, 3, 4, 5])
214    
215            # Two columns as operands
216            self.assertEquals(table.SimpleQuery(table.Column(1),
217                                                "<=", table.Column(2)),
218                              [0, 1, 3, 5])
219    
220            # Test whether invalid operators raise a ValueError
221            self.assertRaises(ValueError,
222                              table.SimpleQuery,
223                              table.Column(1), "<<", table.Column(2))
224    
225    
226  if __name__ == "__main__":  if __name__ == "__main__":
227      support.run_tests()      support.run_tests()
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