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- script to generate a database to reproduce the bug

- no crash observed with qgis natural breaks (jenks)
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vmora committed Jul 11, 2013
1 parent 56210eb commit 18cff2833bfc10c045d6956f0ef74e18cbf34298
Showing with 94 additions and 0 deletions.
  1. +94 −0 tests/src/python/test_qgsissue6483.py
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# -*- coding: utf-8 -*-
"""QGIS Unit tests for QgsSpatialiteProvider
.. note:: 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__ = 'Vincent Mora'
__date__ = '09/07/2013'
__copyright__ = 'Copyright 2013, The QGIS Project'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'

import os
import random

from qgis.core import *
from qgis.gui import *

from utilities import (getQgisTestApp,
TestCase,
unittest
)

from pyspatialite import dbapi2 as sqlite3

# Convenience instances in case you may need them
QGISAPP, CANVAS, IFACE, PARENT = getQgisTestApp()


def die(error_message):
raise Exception(error_message)

class TestQgsSpatialiteProvider(TestCase):

@classmethod
def setUpClass(cls):
"""Run before all tests"""
# create test db
if os.path.exists("test.sqlite") :
os.remove("test.sqlite")
con = sqlite3.connect("test.sqlite")
cur = con.cursor()
sql = "SELECT InitSpatialMetadata()"
cur.execute(sql)

# simple table with primary key
sql = "CREATE TABLE test_mpg (id SERIAL PRIMARY KEY, height DOUBLE)"
cur.execute(sql)
sql = "SELECT AddGeometryColumn('test_mpg', 'geometry', 4326, 'MULTIPOLYGON', 'XY')"
cur.execute(sql)
for i in range(0,253):
for j in range (0,253):
sql = "INSERT INTO test_mpg (height, geometry) "
sql += "VALUES ("+str(random.random())+", GeomFromText('MULTIPOLYGON((("
sql += str(i) + " " + str(j) + ","
sql += str(i+1) + " " + str(j) + ","
sql += str(i+1) + " " + str(j+1) + ","
sql += str(i) + " " + str(j+1) + ","
sql += str(i) + " " + str(j) + ")))', 4326))"
cur.execute(sql)

con.commit()
con.close()

@classmethod
def tearDownClass(cls):
"""Run after all tests"""
# for the time beeing, keep the file to check with qgis
#if os.path.exists("test.sqlite") :
# os.remove("test.sqlite")
pass

def setUp(self):
"""Run before each test."""
pass

def tearDown(self):
"""Run after each test."""
pass

def test_Nothing(self):
"""Create spatialite database"""
layer = QgsVectorLayer("dbname=test.sqlite table=test_mpg (geometry)", "test_mpg", "spatialite")
assert(layer.isValid())
assert(layer.hasGeometryType())



if __name__ == '__main__':
unittest.main()


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