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Add test for #15188 (this branch is unaffected by the bug)

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strk committed Oct 12, 2016
1 parent 713e576 commit 7d42a4b0e925745efd7036482ab7b8c58991d71a
Showing with 42 additions and 1 deletion.
  1. +42 −1 tests/src/python/test_provider_postgres.py
@@ -13,10 +13,19 @@
__revision__ = '$Format:%H$'

import qgis
import psycopg2

import os
from qgis.core import NULL

from qgis.core import QgsVectorLayer, QgsFeatureRequest, QgsFeature, QgsProviderRegistry
from qgis.core import (
QgsVectorLayer,
QgsFeatureRequest,
QgsVectorLayerImport,
QgsFeature,
QgsProviderRegistry,
NULL
)
from PyQt4.QtCore import QSettings, QDate, QTime, QDateTime, QVariant
from qgis.testing import (start_app,
unittest
@@ -43,11 +52,20 @@ def setUpClass(cls):
cls.poly_vl = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' srid=4326 type=POLYGON table="qgis_test"."some_poly_data" (geom) sql=', 'test', 'postgres')
assert(cls.poly_vl.isValid())
cls.poly_provider = cls.poly_vl.dataProvider()
cls.con = psycopg2.connect(cls.dbconn)

@classmethod
def tearDownClass(cls):
"""Run after all tests"""

def execSQLCommand(self, sql):
self.assertTrue(self.con)
cur = self.con.cursor()
self.assertTrue(cur)
cur.execute(sql)
cur.close()
self.con.commit()

def enableCompiler(self):
QSettings().setValue(u'/qgis/compileExpressions', True)

@@ -166,6 +184,29 @@ def test_query_attribute(dbconn, query, att, val, fidval):
test_query_attribute(self.dbconn, '(SELECT -1::int8 i, NULL::geometry(Point) g)', 'i', -1, 1)
test_query_attribute(self.dbconn, '(SELECT -65535::int8 i, NULL::geometry(Point) g)', 'i', -65535, 1)

# See http://hub.qgis.org/issues/18155
def testNumericPrecision(self):
uri = 'point?field=f1:int'
uri += '&field=f2:double(6,4)'
uri += '&field=f3:string(20)'
lyr = QgsVectorLayer(uri, "x", "memory")
self.assertTrue(lyr.isValid())
f = QgsFeature(lyr.fields())
f['f1'] = 1
f['f2'] = 123.456
f['f3'] = '12345678.90123456789'
lyr.dataProvider().addFeatures([f])
uri = '%s table="qgis_test"."b18155" (g) key=\'f1\'' % (self.dbconn)
self.execSQLCommand('DROP TABLE IF EXISTS qgis_test.b18155')
err = QgsVectorLayerImport.importLayer(lyr, uri, "postgres", lyr.crs())
self.assertEqual(err[0], QgsVectorLayerImport.NoError,
'unexpected import error {0}'.format(err))
lyr = QgsVectorLayer(uri, "y", "postgres")
self.assertTrue(lyr.isValid())
f = next(lyr.getFeatures())
self.assertEqual(f['f1'], 1)
self.assertEqual(f['f2'], 123.456)
self.assertEqual(f['f3'], '12345678.90123456789')

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

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