129 lines
5.2 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
TestTools.py
---------------------
Date : February 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__ = 'February 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
from osgeo import gdal
from osgeo.gdalconst import GA_ReadOnly
from PyQt4 import QtCore, QtGui
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from processing.core.Processing import Processing
from processing.outputs.OutputNumber import OutputNumber
from processing.outputs.OutputString import OutputString
from processing.outputs.OutputRaster import OutputRaster
from processing.outputs.OutputVector import OutputVector
from processing.tools import dataobjects, vector
def createTest(text):
s = ''
tokens = text[len('processing.runalg('):-1].split(',')
cmdname = (tokens[0])[1:-1]
methodname = 'test_' + cmdname.replace(':', '')
s += 'def ' + methodname + '(self):\n'
alg = Processing.getAlgorithm(cmdname)
execcommand = 'processing.runalg('
i = 0
for token in tokens:
if i < alg.getVisibleParametersCount() + 1:
if os.path.exists(token[1:-1]):
token = os.path.basename(token[1:-1])[:-4] + '()'
execcommand += token + ','
else:
execcommand += 'None,'
i += 1
s += '\toutputs=' + execcommand[:-1] + ')\n'
i = -1 * len(alg.outputs)
for out in alg.outputs:
filename = (tokens[i])[1:-1]
if tokens[i] == str(None):
QtGui.QMessageBox.critical(None, 'Error',
'Cannot create unit test for that algorithm \
execution.\nThe output cannot be a temporary file')
return
s += "\toutput=outputs['" + out.name + "']\n"
if isinstance(out, (OutputNumber, OutputString)):
s += 'self.assertTrue(' + str(out) + ', output.value)\n'
if isinstance(out, OutputRaster):
dataset = gdal.Open(filename, GA_ReadOnly)
strhash = hash(str(dataset.ReadAsArray(0).tolist()))
s += '\tself.assertTrue(os.path.isfile(output))\n'
s += '\tdataset=gdal.Open(output, GA_ReadOnly)\n'
s += '\tstrhash=hash(str(dataset.ReadAsArray(0).tolist()))\n'
s += '\tself.assertEqual(strhash,' + str(strhash) + ')\n'
if isinstance(out, OutputVector):
layer = processing.getObject(filename)
fields = layer.pendingFields()
s += '\tlayer=dataobjects.getObjectFromUri(output, True)\n'
s += '\tfields=layer.pendingFields()\n'
s += '\texpectednames=[' + ','.join(["'" + str(f.name()) + "'"
for f in fields]) + ']\n'
s += '\texpectedtypes=[' + ','.join(["'" + str(f.typeName()) + "'"
for f in fields]) + ']\n'
s += '\tnames=[str(f.name()) for f in fields]\n'
s += '\ttypes=[str(f.typeName()) for f in fields]\n'
s += '\tself.assertEqual(expectednames, names)\n'
s += '\tself.assertEqual(expectedtypes, types)\n'
features = vector.features(layer)
numfeat = len(features)
s += '\tfeatures=processing.features(layer)\n'
s += '\tself.assertEqual(' + str(numfeat) + ', len(features))\n'
if numfeat > 0:
feature = features.next()
attrs = feature.attributes()
s += '\tfeature=features.next()\n'
s += '\tattrs=feature.attributes()\n'
s += '\texpectedvalues=[' + ','.join(['"' + str(attr) + '"'
for attr in attrs]) + ']\n'
s += '\tvalues=[str(attr) for attr in attrs]\n'
s += '\tself.assertEqual(expectedvalues, values)\n'
s += "\twkt='" + str(feature.geometry().exportToWkt()) + "'\n"
s += '\tself.assertEqual(wkt, \
str(feature.geometry().exportToWkt()))'
dlg = ShowTestDialog(s)
dlg.exec_()
class ShowTestDialog(QtGui.QDialog):
def __init__(self, s):
QtGui.QDialog.__init__(self)
self.setModal(True)
self.resize(600, 400)
self.setWindowTitle('Unit test')
layout = QVBoxLayout()
self.text = QtGui.QTextEdit()
self.text.setEnabled(True)
self.text.setText(s)
layout.addWidget(self.text)
self.setLayout(layout)
QtCore.QMetaObject.connectSlotsByName(self)