382 строки
11 KiB
Python
Исполняемый файл
382 строки
11 KiB
Python
Исполняемый файл
#!/usr/bin/env pytest
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###############################################################################
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# $Id$
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#
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# Project: GDAL/OGR Test Suite
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# Purpose: Test RFC35 for Memory driver
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# Author: Even Rouault <even dot rouault at spatialys.com>
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#
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###############################################################################
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# Copyright (c) 2011, Even Rouault <even dot rouault at spatialys.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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###############################################################################
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import gdaltest
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import pytest
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from osgeo import ogr
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###############################################################################
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@pytest.fixture(autouse=True, scope="module")
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def module_disable_exceptions():
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with gdaltest.disable_exceptions():
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yield
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###############################################################################
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# Initiate the test file
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def test_ogr_rfc35_mem_1():
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gdaltest.rfc35_mem_ds = ogr.GetDriverByName("Memory").CreateDataSource("rfc35_test")
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lyr = gdaltest.rfc35_mem_ds.CreateLayer("rfc35_test")
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lyr.ReorderFields([])
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fd = ogr.FieldDefn("foo5", ogr.OFTString)
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fd.SetWidth(5)
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lyr.CreateField(fd)
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feat = ogr.Feature(lyr.GetLayerDefn())
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feat.SetField(0, "foo0")
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lyr.CreateFeature(feat)
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feat = None
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fd = ogr.FieldDefn("bar10", ogr.OFTString)
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fd.SetWidth(10)
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lyr.CreateField(fd)
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feat = ogr.Feature(lyr.GetLayerDefn())
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feat.SetField(0, "foo1")
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feat.SetField(1, "bar1")
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lyr.CreateFeature(feat)
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feat = None
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fd = ogr.FieldDefn("baz15", ogr.OFTString)
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fd.SetWidth(15)
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lyr.CreateField(fd)
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feat = ogr.Feature(lyr.GetLayerDefn())
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feat.SetField(0, "foo2")
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feat.SetField(1, "bar2_01234")
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feat.SetField(2, "baz2_0123456789")
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lyr.CreateFeature(feat)
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feat = None
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fd = ogr.FieldDefn("baw20", ogr.OFTString)
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fd.SetWidth(20)
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lyr.CreateField(fd)
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###############################################################################
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# Test ReorderField()
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def Truncate(val, lyr_defn, fieldname):
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# pylint: disable=unused-argument
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# if val is None:
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# return val
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# return val[0:lyr_defn.GetFieldDefn(lyr_defn.GetFieldIndex(fieldname)).GetWidth()]
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# Mem driver doesn't actually truncate
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return val
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def CheckFeatures(lyr, field1="foo5", field2="bar10", field3="baz15", field4="baw20"):
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expected_values = [
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["foo0", None, None, None],
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["foo1", "bar1", None, None],
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["foo2", "bar2_01234", "baz2_0123456789", None],
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["foo3", "bar3_01234", "baz3_0123456789", "baw3_012345678901234"],
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]
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lyr_defn = lyr.GetLayerDefn()
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lyr.ResetReading()
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feat = lyr.GetNextFeature()
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i = 0
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while feat is not None:
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if (
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(
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field1 is not None
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and feat.GetField(field1)
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!= Truncate(expected_values[i][0], lyr_defn, field1)
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)
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or (
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field2 is not None
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and feat.GetField(field2)
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!= Truncate(expected_values[i][1], lyr_defn, field2)
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)
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or (
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field3 is not None
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and feat.GetField(field3)
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!= Truncate(expected_values[i][2], lyr_defn, field3)
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)
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or (
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field4 is not None
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and feat.GetField(field4)
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!= Truncate(expected_values[i][3], lyr_defn, field4)
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)
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):
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feat.DumpReadable()
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pytest.fail()
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feat = lyr.GetNextFeature()
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i = i + 1
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def CheckColumnOrder(lyr, expected_order):
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lyr_defn = lyr.GetLayerDefn()
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for i, exp_order in enumerate(expected_order):
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assert lyr_defn.GetFieldDefn(i).GetName() == exp_order
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def Check(lyr, expected_order):
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CheckColumnOrder(lyr, expected_order)
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CheckFeatures(lyr)
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def test_ogr_rfc35_mem_2():
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lyr = gdaltest.rfc35_mem_ds.GetLayer(0)
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assert lyr.TestCapability(ogr.OLCReorderFields) == 1
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feat = ogr.Feature(lyr.GetLayerDefn())
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feat.SetField(0, "foo3")
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feat.SetField(1, "bar3_01234")
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feat.SetField(2, "baz3_0123456789")
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feat.SetField(3, "baw3_012345678901234")
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lyr.CreateFeature(feat)
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feat = None
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assert lyr.ReorderField(1, 3) == 0
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ret = Check(lyr, ["foo5", "baz15", "baw20", "bar10"])
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lyr.ReorderField(3, 1)
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ret = Check(lyr, ["foo5", "bar10", "baz15", "baw20"])
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lyr.ReorderField(0, 2)
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ret = Check(lyr, ["bar10", "baz15", "foo5", "baw20"])
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lyr.ReorderField(2, 0)
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ret = Check(lyr, ["foo5", "bar10", "baz15", "baw20"])
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lyr.ReorderField(0, 1)
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ret = Check(lyr, ["bar10", "foo5", "baz15", "baw20"])
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lyr.ReorderField(1, 0)
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ret = Check(lyr, ["foo5", "bar10", "baz15", "baw20"])
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lyr.ReorderFields([3, 2, 1, 0])
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ret = Check(lyr, ["baw20", "baz15", "bar10", "foo5"])
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lyr.ReorderFields([3, 2, 1, 0])
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ret = Check(lyr, ["foo5", "bar10", "baz15", "baw20"])
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with gdaltest.error_handler():
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ret = lyr.ReorderFields([0, 0, 0, 0])
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assert ret != 0
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###############################################################################
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# Test AlterFieldDefn() for change of name and width
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def test_ogr_rfc35_mem_3():
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lyr = gdaltest.rfc35_mem_ds.GetLayer(0)
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fd = ogr.FieldDefn("baz25", ogr.OFTString)
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fd.SetWidth(25)
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lyr_defn = lyr.GetLayerDefn()
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with gdaltest.error_handler():
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ret = lyr.AlterFieldDefn(-1, fd, ogr.ALTER_ALL_FLAG)
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assert ret != 0
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with gdaltest.error_handler():
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ret = lyr.AlterFieldDefn(lyr_defn.GetFieldCount(), fd, ogr.ALTER_ALL_FLAG)
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assert ret != 0
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lyr.AlterFieldDefn(lyr_defn.GetFieldIndex("baz15"), fd, ogr.ALTER_ALL_FLAG)
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ret = CheckFeatures(lyr, field3="baz25")
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fd = ogr.FieldDefn("baz5", ogr.OFTString)
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fd.SetWidth(5)
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lyr_defn = lyr.GetLayerDefn()
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lyr.AlterFieldDefn(lyr_defn.GetFieldIndex("baz25"), fd, ogr.ALTER_ALL_FLAG)
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ret = CheckFeatures(lyr, field3="baz5")
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lyr_defn = lyr.GetLayerDefn()
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fld_defn = lyr_defn.GetFieldDefn(lyr_defn.GetFieldIndex("baz5"))
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assert fld_defn.GetWidth() == 5
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ret = CheckFeatures(lyr, field3="baz5")
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###############################################################################
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# Test AlterFieldDefn() for change of type
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def test_ogr_rfc35_mem_4():
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lyr = gdaltest.rfc35_mem_ds.GetLayer(0)
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lyr_defn = lyr.GetLayerDefn()
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assert lyr.TestCapability(ogr.OLCAlterFieldDefn) == 1
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fd = ogr.FieldDefn("intfield", ogr.OFTInteger)
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lyr.CreateField(fd)
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lyr.ReorderField(lyr_defn.GetFieldIndex("intfield"), 0)
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lyr.ResetReading()
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feat = lyr.GetNextFeature()
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feat.SetField("intfield", 12345)
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lyr.SetFeature(feat)
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feat = None
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fd.SetWidth(10)
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lyr.AlterFieldDefn(lyr_defn.GetFieldIndex("intfield"), fd, ogr.ALTER_ALL_FLAG)
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lyr.ResetReading()
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feat = lyr.GetNextFeature()
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assert feat.GetField("intfield") == 12345
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feat = None
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CheckFeatures(lyr, field3="baz5")
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fd.SetWidth(5)
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lyr.AlterFieldDefn(lyr_defn.GetFieldIndex("intfield"), fd, ogr.ALTER_ALL_FLAG)
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lyr.ResetReading()
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feat = lyr.GetNextFeature()
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assert feat.GetField("intfield") == 12345
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feat = None
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CheckFeatures(lyr, field3="baz5")
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fd.SetWidth(4)
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lyr.AlterFieldDefn(lyr_defn.GetFieldIndex("intfield"), fd, ogr.ALTER_ALL_FLAG)
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lyr.ResetReading()
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feat = lyr.GetNextFeature()
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# if feat.GetField("intfield") != 1234:
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assert feat.GetField("intfield") == 12345
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feat = None
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CheckFeatures(lyr, field3="baz5")
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fd = ogr.FieldDefn("oldintfld", ogr.OFTString)
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fd.SetWidth(15)
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lyr.AlterFieldDefn(lyr_defn.GetFieldIndex("intfield"), fd, ogr.ALTER_ALL_FLAG)
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lyr.ResetReading()
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feat = lyr.GetNextFeature()
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# if feat.GetField("oldintfld") != '1234':
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assert feat.GetField("oldintfld") == "12345"
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feat = None
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CheckFeatures(lyr, field3="baz5")
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lyr.DeleteField(lyr_defn.GetFieldIndex("oldintfld"))
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fd = ogr.FieldDefn("intfield", ogr.OFTInteger)
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fd.SetWidth(10)
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assert lyr.CreateField(fd) == 0
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assert lyr.ReorderField(lyr_defn.GetFieldIndex("intfield"), 0) == 0
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lyr.ResetReading()
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feat = lyr.GetNextFeature()
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feat.SetField("intfield", 98765)
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assert lyr.SetFeature(feat) == 0
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feat = None
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fd = ogr.FieldDefn("oldintfld", ogr.OFTString)
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fd.SetWidth(6)
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lyr.AlterFieldDefn(lyr_defn.GetFieldIndex("intfield"), fd, ogr.ALTER_ALL_FLAG)
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lyr.ResetReading()
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feat = lyr.GetNextFeature()
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assert feat.GetField("oldintfld") == "98765"
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feat = None
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CheckFeatures(lyr, field3="baz5")
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###############################################################################
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# Test DeleteField()
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def test_ogr_rfc35_mem_5():
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lyr = gdaltest.rfc35_mem_ds.GetLayer(0)
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lyr_defn = lyr.GetLayerDefn()
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assert lyr.TestCapability(ogr.OLCDeleteField) == 1
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with gdaltest.error_handler():
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ret = lyr.DeleteField(-1)
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assert ret != 0
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with gdaltest.error_handler():
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ret = lyr.DeleteField(lyr.GetLayerDefn().GetFieldCount())
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assert ret != 0
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assert lyr.DeleteField(0) == 0
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ret = CheckFeatures(lyr, field3="baz5")
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assert lyr.DeleteField(lyr_defn.GetFieldIndex("baw20")) == 0
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ret = CheckFeatures(lyr, field3="baz5", field4=None)
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assert lyr.DeleteField(lyr_defn.GetFieldIndex("baz5")) == 0
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ret = CheckFeatures(lyr, field3=None, field4=None)
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assert lyr.DeleteField(lyr_defn.GetFieldIndex("foo5")) == 0
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assert lyr.DeleteField(lyr_defn.GetFieldIndex("bar10")) == 0
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ret = CheckFeatures(lyr, field1=None, field2=None, field3=None, field4=None)
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###############################################################################
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# Initiate the test file
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def test_ogr_rfc35_mem_cleanup():
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gdaltest.rfc35_mem_ds = None
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