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132 lines
5.5 KiB
Python
132 lines
5.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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TestTools.py
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---------------------
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Date : February 2013
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Copyright : (C) 2013 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'February 2013'
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__copyright__ = '(C) 2013, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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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 PyQt4.QtCore import QCoreApplication, QMetaObject
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from PyQt4.QtGui import QMessageBox, QDialog, QVBoxLayout, QTextEdit
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from processing.core.Processing import Processing
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from processing.core.outputs import OutputNumber
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from processing.core.outputs import OutputString
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from processing.core.outputs import OutputRaster
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from processing.core.outputs import OutputVector
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from processing.tools import vector, dataobjects
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def createTest(text):
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s = ''
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tokens = text[len('processing.runalg('):-1].split(',')
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cmdname = (tokens[0])[1:-1]
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methodname = 'test_' + cmdname.replace(':', '')
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s += 'def ' + methodname + '(self):\n'
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alg = Processing.getAlgorithm(cmdname)
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execcommand = 'processing.runalg('
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i = 0
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for token in tokens:
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if i < alg.getVisibleParametersCount() + 1:
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if os.path.exists(token[1:-1]):
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token = os.path.basename(token[1:-1])[:-4] + '()'
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execcommand += token + ','
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else:
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execcommand += 'None,'
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i += 1
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s += '\toutputs=' + execcommand[:-1] + ')\n'
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i = -1 * len(alg.outputs)
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for out in alg.outputs:
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filename = (tokens[i])[1:-1]
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if tokens[i] == unicode(None):
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QMessageBox.critical(None, tr('Error'),
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tr('Cannot create unit test for that algorithm execution. The '
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'output cannot be a temporary file'))
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return
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s += "\toutput=outputs['" + out.name + "']\n"
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if isinstance(out, (OutputNumber, OutputString)):
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s += 'self.assertTrue(' + unicode(out) + ', output.value)\n'
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if isinstance(out, OutputRaster):
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dataset = gdal.Open(filename, GA_ReadOnly)
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strhash = hash(unicode(dataset.ReadAsArray(0).tolist()))
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s += '\tself.assertTrue(os.path.isfile(output))\n'
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s += '\tdataset=gdal.Open(output, GA_ReadOnly)\n'
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s += '\tstrhash=hash(unicode(dataset.ReadAsArray(0).tolist()))\n'
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s += '\tself.assertEqual(strhash,' + unicode(strhash) + ')\n'
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if isinstance(out, OutputVector):
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layer = dataobjects.getObject(filename)
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fields = layer.pendingFields()
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s += '\tlayer=dataobjects.getObjectFromUri(output, True)\n'
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s += '\tfields=layer.pendingFields()\n'
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s += '\texpectednames=[' + ','.join(["'" + unicode(f.name()) + "'"
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for f in fields]) + ']\n'
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s += '\texpectedtypes=[' + ','.join(["'" + unicode(f.typeName()) + "'"
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for f in fields]) + ']\n'
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s += '\tnames=[unicode(f.name()) for f in fields]\n'
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s += '\ttypes=[unicode(f.typeName()) for f in fields]\n'
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s += '\tself.assertEqual(expectednames, names)\n'
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s += '\tself.assertEqual(expectedtypes, types)\n'
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features = vector.features(layer)
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numfeat = len(features)
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s += '\tfeatures=processing.features(layer)\n'
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s += '\tself.assertEqual(' + unicode(numfeat) + ', len(features))\n'
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if numfeat > 0:
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feature = features.next()
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attrs = feature.attributes()
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s += '\tfeature=features.next()\n'
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s += '\tattrs=feature.attributes()\n'
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s += '\texpectedvalues=[' + ','.join(['"' + unicode(attr) + '"'
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for attr in attrs]) + ']\n'
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s += '\tvalues=[unicode(attr) for attr in attrs]\n'
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s += '\tself.assertEqual(expectedvalues, values)\n'
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s += "\twkt='" + unicode(feature.geometry().exportToWkt()) + "'\n"
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s += '\tself.assertEqual(wkt, \
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unicode(feature.geometry().exportToWkt()))'
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dlg = ShowTestDialog(s)
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dlg.exec_()
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def tr(string):
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return QCoreApplication.translate('TestTools', string)
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class ShowTestDialog(QDialog):
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def __init__(self, s):
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QDialog.__init__(self)
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self.setModal(True)
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self.resize(600, 400)
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self.setWindowTitle(self.tr('Unit test'))
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layout = QVBoxLayout()
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self.text = QTextEdit()
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self.text.setEnabled(True)
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self.text.setText(s)
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layout.addWidget(self.text)
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self.setLayout(layout)
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QMetaObject.connectSlotsByName(self)
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