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130 lines
4.9 KiB
Python
130 lines
4.9 KiB
Python
import unittest
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import sextante
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from sextante.tests.TestData import points, points2, polygons, polygons2, lines, union,\
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table, raster
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from sextante.core.QGisLayers import QGisLayers
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import os
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from osgeo import gdal
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from osgeo.gdalconst import GA_ReadOnly
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from sextante.modeler import ModelerAlgorithmProvider
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from sextante.modeler.ModelerAlgorithm import ModelerAlgorithm
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class ModelerAlgorithmTest(unittest.TestCase):
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def testCreateModel(self):
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pass
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def testRemoveAlgorithm(self):
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folder = os.path.join(os.path.dirname(ModelerAlgorithmProvider.__file__), "models")
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modelfile = os.path.join(folder, "noinputs.model")
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model = ModelerAlgorithm()
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model.openModel(modelfile)
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self.assertTrue(2, len(model.algs))
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self.assertFalse(model.removeAlgorithm(0))
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self.assertTrue(model.removeAlgorithm(len(model.algs) - 1));
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outputs = model.execute(None)
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self.assertEquals(2, len(outputs))
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output=outputs['SAVENAME_ALG0']
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layer=QGisLayers.getObjectFromUri(output, True)
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self.assertIsNone(layer)
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def testRemoveParameter(self):
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folder = os.path.join(os.path.dirname(ModelerAlgorithmProvider.__file__), "models")
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modelfile = os.path.join(folder, "watersheds.model")
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model = ModelerAlgorithm()
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model.openModel(modelfile)
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self.assertTrue(2, len(model.parameters))
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self.assertFalse(model.removeParameter(0))
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self.assertTrue(2, len(model.parameters))
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def testComputingDependecies(self):
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folder = os.path.join(os.path.dirname(ModelerAlgorithmProvider.__file__), "models")
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modelfile = os.path.join(folder, "watersheds.model")
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model = ModelerAlgorithm()
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model.openModel(modelfile)
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self.assertTrue(2, len(model.parameters))
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self.assertTrue(5, len(model.algs))
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dependent = model.getDependentAlgorithms(0)
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self.assertEquals([0,1,2,3,4], dependent)
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dependent = model.getDependentAlgorithms(1)
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self.assertEquals([1,2,3,4], dependent)
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dependent = model.getDependentAlgorithms(2)
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self.assertEquals([2,3,4], dependent)
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dependent = model.getDependentAlgorithms(3)
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self.assertEquals([3,4], dependent)
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dependent = model.getDependentAlgorithms(4)
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self.assertEquals([4], dependent)
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depends = model.getDependsOnAlgorithms(0)
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self.assertEquals([], depends)
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depends = model.getDependsOnAlgorithms(1)
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self.assertEquals([0], depends)
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depends = model.getDependsOnAlgorithms(2)
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self.assertEquals([1,0], depends)
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depends = model.getDependsOnAlgorithms(3)
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self.assertEquals([2,1,0], depends)
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depends = model.getDependsOnAlgorithms(4)
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self.assertEquals([3,2,1,0], depends)
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'''The following tests correspond to example models'''
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def test_modelersagagrass(self):
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outputs=sextante.runalg("modeler:sagagrass",points(),None)
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output=outputs['CENTROIDS_ALG1']
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layer=QGisLayers.getObjectFromUri(output, True)
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fields=layer.pendingFields()
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expectednames=['CAT']
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expectedtypes=['Real']
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names=[str(f.name()) for f in fields]
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types=[str(f.typeName()) for f in fields]
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self.assertEqual(expectednames, names)
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self.assertEqual(expectedtypes, types)
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features=sextante.getfeatures(layer)
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self.assertEqual(12, len(features))
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feature=features.next()
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attrs=feature.attributes()
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expectedvalues=["1"]
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values=[str(attr.toString()) for attr in attrs]
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self.assertEqual(expectedvalues, values)
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wkt='POINT(270839.65586926 4458983.16267036)'
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self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
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def test_modelersimplemodel(self):
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outputs=sextante.runalg("modeler:simplemodel",raster(),None)
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output=outputs['SLOPE_ALG0']
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self.assertTrue(os.path.isfile(output))
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dataset=gdal.Open(output, GA_ReadOnly)
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strhash=hash(str(dataset.ReadAsArray(0).tolist()))
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self.assertEqual(strhash,1891122097)
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def test_modelerfieldautoextent(self):
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outputs=sextante.runalg("modeler:fieldautoextent",polygons(),"POLY_NUM_A",None)
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output=outputs['USER_GRID_ALG0']
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self.assertTrue(os.path.isfile(output))
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dataset=gdal.Open(output, GA_ReadOnly)
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strhash=hash(str(dataset.ReadAsArray(0).tolist()))
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self.assertEqual(strhash,2026100494)
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def test_modelernotinorder(self):
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outputs=sextante.runalg("modeler:notinorder",raster(),None)
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output=outputs['CAREA_ALG0']
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self.assertTrue(os.path.isfile(output))
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dataset=gdal.Open(output, GA_ReadOnly)
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strhash=hash(str(dataset.ReadAsArray(0).tolist()))
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self.assertEqual(strhash,-1557050506)
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def suite():
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suite = unittest.makeSuite(ModelerAlgorithmTest, 'test')
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return suite
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def runtests():
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result = unittest.TestResult()
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testsuite = suite()
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testsuite.run(result)
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return result
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