/[thuban]/branches/WIP-pyshapelib-bramz/test/test_proj.py
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revision 752 by jonathan, Fri Apr 25 14:23:34 2003 UTC revision 1259 by bh, Fri Jun 20 12:31:48 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 13  __version__ = "$Revision$" Line 13  __version__ = "$Revision$"
13  # $Source$  # $Source$
14  # $Id$  # $Id$
15    
16    from Thuban import _
17    
18  import unittest  import unittest
19  import os  import os
20    
# Line 23  from Thuban.Model.proj import Projection Line 25  from Thuban.Model.proj import Projection
25    
26  import Thuban.Model.resource as resource  import Thuban.Model.resource as resource
27    
28  from test_save import sax_eventlist  from xmlsupport import sax_eventlist
29    
30  from xml.sax import SAXParseException  from xml.sax import SAXParseException
31    
# Line 35  class TestProjection(unittest.TestCase, Line 37  class TestProjection(unittest.TestCase,
37    
38      def test(self):      def test(self):
39          """Test Projection"""          """Test Projection"""
40          proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"])          params = ["zone=26", "proj=utm", "ellps=clrk66"]
41          self.assertEquals(proj.params, ["zone=26", "proj=utm", "ellps=clrk66"])          proj = Projection(params)
42            self.assertEquals(proj.params, params)
43    
44          # It's not clear whether this value is really the correct one          # It's not clear whether this value is really the correct one
45          # but a test failure here probably still means a bug somewhere          # but a test failure here probably still means a bug somewhere
# Line 51  class TestProjection(unittest.TestCase, Line 54  class TestProjection(unittest.TestCase,
54                                    3875381.8535437919, 252962.10480170773),                                    3875381.8535437919, 252962.10480170773),
55                                   epsilon = 1e-5)                                   epsilon = 1e-5)
56    
57            # GetName()
58            self.assertEquals(proj.GetName(), _("Unknown"))
59    
60            # GetParameter()
61          self.assertEquals(proj.GetParameter("zone"), "26")          self.assertEquals(proj.GetParameter("zone"), "26")
62          self.assertEquals(proj.GetParameter("proj"), "utm")          self.assertEquals(proj.GetParameter("proj"), "utm")
63          self.assertEquals(proj.GetParameter("ellps"), "clrk66")          self.assertEquals(proj.GetParameter("ellps"), "clrk66")
64          self.assertEquals(proj.GetParameter("hallo"), "")          self.assertEquals(proj.GetParameter("hallo"), "")
65    
66            # GetAllParameters()
67            self.assertEquals(proj.GetAllParameters(), params)
68    
69            # GetName()
70            proj = Projection(params, "MyName")
71            self.assertEquals(proj.GetName(), "MyName")
72    
73    
74  sample_projfile = '''\  sample_projfile = '''\
75  <?xml version="1.0" encoding="UTF-8"?>  <?xml version="1.0" encoding="UTF-8"?>
# Line 123  class TestProjFile(unittest.TestCase, su Line 137  class TestProjFile(unittest.TestCase, su
137    
138          eq = self.assertEquals          eq = self.assertEquals
139    
140    
141          #          #
142          # __init__()          # __init__()
143          # GetFilename()          # GetFilename()
# Line 149  class TestProjFile(unittest.TestCase, su Line 164  class TestProjFile(unittest.TestCase, su
164          eq(len(projFile.GetProjections()), 0)          eq(len(projFile.GetProjections()), 0)
165    
166          # try to remove something that doesn't exist          # try to remove something that doesn't exist
167            self.assertRaises(ValueError, projFile.Remove, None)
168          self.assertRaises(ValueError, projFile.Remove, proj0)          self.assertRaises(ValueError, projFile.Remove, proj0)
169    
170          projFile.Add(proj0)          projFile.Add(proj0)
# Line 162  class TestProjFile(unittest.TestCase, su Line 178  class TestProjFile(unittest.TestCase, su
178          eq(projs[1], proj1)          eq(projs[1], proj1)
179          eq(projs[2], proj2)          eq(projs[2], proj2)
180    
181          #          projFile.Remove(proj2)
182          # SetAllParameters()          projFile.Remove(proj1)
183          # SetName()  
184          # SetProjection()          # Replace()
185          #          projFile.Replace(proj0, proj1)
186          params = ["proj=utm", "ellps=clrk66", "zone=13"]          projs = projFile.GetProjections()
187          proj0.SetAllParameters(params)          eq(projs[0], proj1)
188          eq(proj0.GetAllParameters(), params)  
189                    # replace a non-existent projection
190          proj2.SetName("something")          self.assertRaises(ValueError, projFile.Replace, None, proj2)
191          proj0.SetProjection(proj2)          self.assertRaises(ValueError, projFile.Replace, proj0, proj2)
         eq(proj0.GetName(), "something")  
         eq(proj0.GetAllParameters(), proj2.GetAllParameters())  
192    
193      def testRead(self):      def testRead(self):
194          """Test ReadProjFile"""          """Test read_proj_file"""
195    
196          self.doTestRead(sample_projfile_data, sample_projfile)          self.doTestRead(sample_projfile_data, sample_projfile)
197          self.doTestRead(sample_projfile_data2, sample_projfile2)          self.doTestRead(sample_projfile_data2, sample_projfile2)
# Line 186  class TestProjFile(unittest.TestCase, su Line 200  class TestProjFile(unittest.TestCase, su
200          # file doesn't exist          # file doesn't exist
201          #          #
202          self.assertRaises(IOError,          self.assertRaises(IOError,
203              resource.ReadProjFile, self.temp_file_name("nonexistent.proj"))              resource.read_proj_file, self.temp_file_name("nonexistent.proj"))
204    
205          #          #
206          # file isn't readable          # file isn't readable
# Line 195  class TestProjFile(unittest.TestCase, su Line 209  class TestProjFile(unittest.TestCase, su
209          file = open(filename, "w")          file = open(filename, "w")
210          file.close()          file.close()
211          os.chmod(filename, 0200) # write-only          os.chmod(filename, 0200) # write-only
212          self.assertRaises(IOError, resource.ReadProjFile, filename)          self.assertRaises(IOError, resource.read_proj_file, filename)
213          os.chmod(filename, 0600) # read/write so we reuse the file          os.chmod(filename, 0600) # read/write so we reuse the file
214    
215          #          #
# Line 205  class TestProjFile(unittest.TestCase, su Line 219  class TestProjFile(unittest.TestCase, su
219          file = open(filename, "w")          file = open(filename, "w")
220          file.close()          file.close()
221    
222          self.assertRaises(SAXParseException, resource.ReadProjFile, filename)          self.assertRaises(SAXParseException, resource.read_proj_file, filename)
223    
224      def testWrite(self):      def testWrite(self):
225          """Test WriteProjFile"""          """Test write_proj_file"""
226    
227          self.doTestWrite(sample_projfile_data, sample_projfile)          self.doTestWrite(sample_projfile_data, sample_projfile)
228          self.doTestWrite(sample_projfile_data2, sample_projfile2)          self.doTestWrite(sample_projfile_data2, sample_projfile2)
# Line 221  class TestProjFile(unittest.TestCase, su Line 235  class TestProjFile(unittest.TestCase, su
235          for proj in data:          for proj in data:
236              pf.Add(Projection(proj[1], proj[0]))              pf.Add(Projection(proj[1], proj[0]))
237    
238          resource.WriteProjFile(pf)          resource.write_proj_file(pf)
239    
240          file = open(filename)          file = open(filename)
241          written_contents = file.read()          written_contents = file.read()
# Line 235  class TestProjFile(unittest.TestCase, su Line 249  class TestProjFile(unittest.TestCase, su
249          file.write(input)          file.write(input)
250          file.close()          file.close()
251    
252          pf = resource.ReadProjFile(filename)          pf = resource.read_proj_file(filename)
253    
254          eq = self.assertEquals          eq = self.assertEquals
255    
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