# -*- coding: utf-8 -*-
"""
***************************************************************************
ModelerAlgorithmTest.py
---------------------
Date : March 2013
Copyright : (C) 2013 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya'
__date__ = 'March 2013'
__copyright__ = '(C) 2013, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
import unittest
from osgeo import gdal
from osgeo.gdalconst import GA_ReadOnly
import processing
from processing.modeler import ModelerAlgorithmProvider
from processing.modeler.ModelerAlgorithm import ModelerAlgorithm
from processing.modeler.Providers import Providers
from processing.tools import dataobjects
from processing.tests.TestData import points, points2, polygons, polygons2, \
lines, union, table, raster
class ModelerAlgorithmTest(unittest.TestCase):
def testCreateModel(self):
pass
def testEditModelParameter(self):
pass
def testEditModelAlgorithm(self):
pass
def testRemoveAlgorithm(self):
folder = \
os.path.join(os.path.dirname(ModelerAlgorithmProvider.__file__),
'models')
modelfile = os.path.join(folder, 'noinputs.model')
model = ModelerAlgorithm()
model.openModel(modelfile)
model.provider = Providers.providers['model']
self.assertTrue(2, len(model.algs))
self.assertFalse(model.removeAlgorithm(0))
self.assertTrue(model.removeAlgorithm(len(model.algs) - 1))
model.execute(None)
outputs = model.outputs
self.assertEquals(1, len(outputs))
output = outputs[0].value
self.assertTrue(os.path.exists(output))
def testRemoveParameter(self):
folder = \
os.path.join(os.path.dirname(ModelerAlgorithmProvider.__file__),
'models')
modelfile = os.path.join(folder, 'watersheds.model')
model = ModelerAlgorithm()
model.openModel(modelfile)
self.assertTrue(2, len(model.parameters))
self.assertFalse(model.removeParameter(0))
self.assertTrue(2, len(model.parameters))
def testComputingDependecies(self):
folder = \
os.path.join(os.path.dirname(ModelerAlgorithmProvider.__file__),
'models')
modelfile = os.path.join(folder, 'watersheds.model')
model = ModelerAlgorithm()
model.openModel(modelfile)
self.assertTrue(2, len(model.parameters))
self.assertTrue(5, len(model.algs))
dependent = model.getDependentAlgorithms(0)
self.assertEquals([0, 1, 2, 3, 4], dependent)
dependent = model.getDependentAlgorithms(1)
self.assertEquals([1, 2, 3, 4], dependent)
dependent = model.getDependentAlgorithms(2)
self.assertEquals([2, 3, 4], dependent)
dependent = model.getDependentAlgorithms(3)
self.assertEquals([3, 4], dependent)
dependent = model.getDependentAlgorithms(4)
self.assertEquals([4], dependent)
depends = model.getDependsOnAlgorithms(0)
self.assertEquals([], depends)
depends = model.getDependsOnAlgorithms(1)
self.assertEquals([0], depends)
depends = model.getDependsOnAlgorithms(2)
self.assertEquals([1, 0], depends)
depends = model.getDependsOnAlgorithms(3)
self.assertEquals([2, 1, 0], depends)
depends = model.getDependsOnAlgorithms(4)
self.assertEquals([3, 2, 1, 0], depends)
def test_modelersagagrass(self):
outputs = processing.runalg('modeler:sagagrass', points(), None)
output = outputs['CENTROIDS_ALG1']
layer = dataobjects.getObjectFromUri(output, True)
fields = layer.pendingFields()
expectednames = ['CAT']
expectedtypes = ['Real']
names = [str(f.name()) for f in fields]
types = [str(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features = processing.features(layer)
self.assertEqual(12, len(features))
feature = features.next()
attrs = feature.attributes()
expectedvalues = ['1']
values = [str(attr) for attr in attrs]
self.assertEqual(expectedvalues, values)
wkt = 'POINT(270839.65586926 4458983.16267036)'
self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
def test_modelersimplemodel(self):
outputs = processing.runalg('modeler:simplemodel', raster(), None)
output = outputs['SLOPE_ALG0']
self.assertTrue(os.path.isfile(output))
dataset = gdal.Open(output, GA_ReadOnly)
strhash = hash(str(dataset.ReadAsArray(0).tolist()))
self.assertEqual(strhash, 1891122097)
def test_modelerfieldautoextent(self):
outputs = processing.runalg('modeler:fieldautoextent', polygons(),
'POLY_NUM_A', None)
output = outputs['USER_GRID_ALG0']
self.assertTrue(os.path.isfile(output))
dataset = gdal.Open(output, GA_ReadOnly)
strhash = hash(str(dataset.ReadAsArray(0).tolist()))
self.assertEqual(strhash, 2026100494)
def test_modelernotinorder(self):
outputs = processing.runalg('modeler:notinorder', raster(), None)
output = outputs['CAREA_ALG0']
self.assertTrue(os.path.isfile(output))
dataset = gdal.Open(output, GA_ReadOnly)
strhash = hash(str(dataset.ReadAsArray(0).tolist()))
self.assertEqual(strhash, -1557050506)
def test_modeleroptionalfield(self):
outputs = processing.runalg('modeler:optionalfield', points(), None)
output = outputs['OUTPUT_ALG0']
layer = dataobjects.getObjectFromUri(output, True)
fields = layer.pendingFields()
expectednames = ['id', 'value', 'area', 'perim']
expectedtypes = ['Integer', 'String', 'Real', 'Real']
names = [str(f.name()) for f in fields]
types = [str(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features = processing.features(layer)
self.assertEqual(1, len(features))
feature = features.next()
attrs = feature.attributes()
expectedvalues = ['0', 'all', '3592.818848', '230.989919']
values = [str(attr) for attr in attrs]
self.assertEqual(expectedvalues, values)
wkt = 'POLYGON((270839.46818665 4458921.97813894,270778.60197966 4458935.96883677,270786.54279065 4458980.04784113,270803.15756434 4458983.84880322,270839.65586926 4458983.16267036,270855.74530134 4458940.79948673,270839.46818665 4458921.97813894))'
self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
def test_modeleremptystring(self):
outputs = processing.runalg('modeler:emptystring', union(), None)
output = outputs['OUTPUT_LAYER_ALG0']
layer = dataobjects.getObjectFromUri(output, True)
fields = layer.pendingFields()
expectednames = [
'ID',
'POLY_NUM_A',
'POLY_ST_A',
'ID_2',
'POLY_NUM_B',
'POLY_ST_B',
'NewField',
]
expectedtypes = [
'Integer',
'Real',
'String',
'Integer',
'Real',
'String',
'Integer',
]
names = [str(f.name()) for f in fields]
types = [str(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features = processing.features(layer)
self.assertEqual(8, len(features))
feature = features.next()
attrs = feature.attributes()
expectedvalues = [
'1',
'1.1',
'string a',
'2',
'1',
'string a',
'10',
]
values = [str(attr) for attr in attrs]
self.assertEqual(expectedvalues, values)
wkt = 'POLYGON((270807.08580285 4458940.1594565,270798.42294527 4458914.62661676,270780.81854858 4458914.21983449,270763.52289518 4458920.715993,270760.3449542 4458926.6570575,270763.78234766 4458958.22561242,270794.30290024 4458942.16424502,270807.08580285 4458940.1594565))'
self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
def suite():
suite = unittest.makeSuite(ModelerAlgorithmTest, 'test')
return suite
def runtests():
result = unittest.TestResult()
testsuite = suite()
testsuite.run(result)
return result