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92a18087b3
(ie check that expressions are successfully compiled where expected) Add compilation support for "NOT..." type expressions
211 lines
10 KiB
Python
211 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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"""QGIS Unit tests for the postgres provider.
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.. note:: 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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__author__ = 'Matthias Kuhn'
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__date__ = '2015-04-23'
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__copyright__ = 'Copyright 2015, The QGIS Project'
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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 qgis # NOQA
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import os
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from qgis.core import (
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QgsVectorLayer,
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QgsFeatureRequest,
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QgsFeature,
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QgsTransactionGroup,
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NULL
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)
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from PyQt.QtCore import QSettings, QDate, QTime, QDateTime, QVariant
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from qgis.testing import start_app, unittest
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from utilities import unitTestDataPath
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from providertestbase import ProviderTestCase
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start_app()
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TEST_DATA_DIR = unitTestDataPath()
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class TestPyQgsPostgresProvider(unittest.TestCase, ProviderTestCase):
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@classmethod
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def setUpClass(cls):
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"""Run before all tests"""
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cls.dbconn = u'dbname=\'qgis_test\''
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if 'QGIS_PGTEST_DB' in os.environ:
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cls.dbconn = os.environ['QGIS_PGTEST_DB']
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# Create test layers
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cls.vl = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' srid=4326 type=POINT table="qgis_test"."someData" (geom) sql=', 'test', 'postgres')
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assert cls.vl.isValid()
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cls.provider = cls.vl.dataProvider()
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cls.poly_vl = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' srid=4326 type=POLYGON table="qgis_test"."some_poly_data" (geom) sql=', 'test', 'postgres')
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assert cls.poly_vl.isValid()
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cls.poly_provider = cls.poly_vl.dataProvider()
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@classmethod
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def tearDownClass(cls):
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"""Run after all tests"""
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def enableCompiler(self):
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QSettings().setValue(u'/qgis/compileExpressions', True)
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def disableCompiler(self):
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QSettings().setValue(u'/qgis/compileExpressions', False)
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def uncompiledFilters(self):
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return set([])
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def partiallyCompiledFilters(self):
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return set([])
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# HERE GO THE PROVIDER SPECIFIC TESTS
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def testDefaultValue(self):
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self.assertEqual(self.provider.defaultValue(0), u'nextval(\'qgis_test."someData_pk_seq"\'::regclass)')
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self.assertEqual(self.provider.defaultValue(1), NULL)
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self.assertEqual(self.provider.defaultValue(2), '\'qgis\'::text')
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def testDateTimeTypes(self):
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vl = QgsVectorLayer('%s table="qgis_test"."date_times" sql=' % (self.dbconn), "testdatetimes", "postgres")
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self.assertTrue(vl.isValid())
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fields = vl.dataProvider().fields()
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self.assertEqual(fields.at(fields.indexFromName('date_field')).type(), QVariant.Date)
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self.assertEqual(fields.at(fields.indexFromName('time_field')).type(), QVariant.Time)
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self.assertEqual(fields.at(fields.indexFromName('datetime_field')).type(), QVariant.DateTime)
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f = vl.getFeatures(QgsFeatureRequest()).next()
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date_idx = vl.fieldNameIndex('date_field')
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self.assertTrue(isinstance(f.attributes()[date_idx], QDate))
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self.assertEqual(f.attributes()[date_idx], QDate(2004, 3, 4))
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time_idx = vl.fieldNameIndex('time_field')
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self.assertTrue(isinstance(f.attributes()[time_idx], QTime))
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self.assertEqual(f.attributes()[time_idx], QTime(13, 41, 52))
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datetime_idx = vl.fieldNameIndex('datetime_field')
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self.assertTrue(isinstance(f.attributes()[datetime_idx], QDateTime))
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self.assertEqual(f.attributes()[datetime_idx], QDateTime(QDate(2004, 3, 4), QTime(13, 41, 52)))
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def testQueryLayers(self):
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def test_query(dbconn, query, key):
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ql = QgsVectorLayer('%s srid=4326 table="%s" (geom) key=\'%s\' sql=' % (dbconn, query.replace('"', '\\"'), key), "testgeom", "postgres")
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self.assertTrue(ql.isValid(), '{} ({})'.format(query, key))
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test_query(self.dbconn, '(SELECT NULL::integer "Id1", NULL::integer "Id2", NULL::geometry(Point, 4326) geom LIMIT 0)', '"Id1","Id2"')
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def testWkbTypes(self):
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def test_table(dbconn, table_name, wkt):
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vl = QgsVectorLayer('%s srid=4326 table="qgis_test".%s (geom) sql=' % (dbconn, table_name), "testgeom", "postgres")
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self.assertTrue(vl.isValid())
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for f in vl.getFeatures():
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self.assertEqual(f.geometry().exportToWkt(), wkt)
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test_table(self.dbconn, 'p2d', 'Polygon ((0 0, 1 0, 1 1, 0 1, 0 0))')
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test_table(self.dbconn, 'p3d', 'PolygonZ ((0 0 0, 1 0 0, 1 1 0, 0 1 0, 0 0 0))')
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test_table(self.dbconn, 'triangle2d', 'Polygon ((0 0, 1 0, 1 1, 0 0))')
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test_table(self.dbconn, 'triangle3d', 'PolygonZ ((0 0 0, 1 0 0, 1 1 0, 0 0 0))')
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test_table(self.dbconn, 'tin2d', 'MultiPolygon (((0 0, 1 0, 1 1, 0 0)),((0 0, 0 1, 1 1, 0 0)))')
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test_table(self.dbconn, 'tin3d', 'MultiPolygonZ (((0 0 0, 1 0 0, 1 1 0, 0 0 0)),((0 0 0, 0 1 0, 1 1 0, 0 0 0)))')
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test_table(self.dbconn, 'ps2d', 'MultiPolygon (((0 0, 1 0, 1 1, 0 1, 0 0)))')
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test_table(self.dbconn, 'ps3d', 'MultiPolygonZ (((0 0 0, 0 1 0, 1 1 0, 1 0 0, 0 0 0)),((0 0 1, 1 0 1, 1 1 1, 0 1 1, 0 0 1)),((0 0 0, 0 0 1, 0 1 1, 0 1 0, 0 0 0)),((0 1 0, 0 1 1, 1 1 1, 1 1 0, 0 1 0)),((1 1 0, 1 1 1, 1 0 1, 1 0 0, 1 1 0)),((1 0 0, 1 0 1, 0 0 1, 0 0 0, 1 0 0)))')
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test_table(self.dbconn, 'mp3d', 'MultiPolygonZ (((0 0 0, 0 1 0, 1 1 0, 1 0 0, 0 0 0)),((0 0 1, 1 0 1, 1 1 1, 0 1 1, 0 0 1)),((0 0 0, 0 0 1, 0 1 1, 0 1 0, 0 0 0)),((0 1 0, 0 1 1, 1 1 1, 1 1 0, 0 1 0)),((1 1 0, 1 1 1, 1 0 1, 1 0 0, 1 1 0)),((1 0 0, 1 0 1, 0 0 1, 0 0 0, 1 0 0)))')
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test_table(self.dbconn, 'pt2d', 'Point (0 0)')
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test_table(self.dbconn, 'pt3d', 'PointZ (0 0 0)')
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test_table(self.dbconn, 'ls2d', 'LineString (0 0, 1 1)')
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test_table(self.dbconn, 'ls3d', 'LineStringZ (0 0 0, 1 1 1)')
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test_table(self.dbconn, 'mpt2d', 'MultiPoint ((0 0),(1 1))')
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test_table(self.dbconn, 'mpt3d', 'MultiPointZ ((0 0 0),(1 1 1))')
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test_table(self.dbconn, 'mls2d', 'MultiLineString ((0 0, 1 1),(2 2, 3 3))')
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test_table(self.dbconn, 'mls3d', 'MultiLineStringZ ((0 0 0, 1 1 1),(2 2 2, 3 3 3))')
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def testGetFeaturesUniqueId(self):
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"""
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Test tables with inheritance for unique ids
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"""
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def test_unique(features, num_features):
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featureids = []
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for f in features:
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self.assertFalse(f.id() in featureids)
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featureids.append(f.id())
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self.assertEqual(len(features), num_features)
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vl = QgsVectorLayer('%s srid=4326 table="qgis_test".%s (geom) sql=' % (self.dbconn, 'someData'), "testgeom", "postgres")
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self.assertTrue(vl.isValid())
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# Test someData
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test_unique([f for f in vl.getFeatures()], 5)
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# Test base_table_bad: layer is invalid
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vl = QgsVectorLayer('%s srid=4326 table="qgis_test".%s (geom) sql=' % (self.dbconn, 'base_table_bad'), "testgeom", "postgres")
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self.assertFalse(vl.isValid())
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# Test base_table_bad with use estimated metadata: layer is valid because the unique test is skipped
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vl = QgsVectorLayer('%s srid=4326 estimatedmetadata="true" table="qgis_test".%s (geom) sql=' % (self.dbconn, 'base_table_bad'), "testgeom", "postgres")
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self.assertTrue(vl.isValid())
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# Test base_table_good: layer is valid
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vl = QgsVectorLayer('%s srid=4326 table="qgis_test".%s (geom) sql=' % (self.dbconn, 'base_table_good'), "testgeom", "postgres")
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self.assertTrue(vl.isValid())
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test_unique([f for f in vl.getFeatures()], 4)
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# Test base_table_good with use estimated metadata: layer is valid
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vl = QgsVectorLayer('%s srid=4326 estimatedmetadata="true" table="qgis_test".%s (geom) sql=' % (self.dbconn, 'base_table_good'), "testgeom", "postgres")
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self.assertTrue(vl.isValid())
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test_unique([f for f in vl.getFeatures()], 4)
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# See http://hub.qgis.org/issues/14262
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def testSignedIdentifiers(self):
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def test_query_attribute(dbconn, query, att, val, fidval):
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ql = QgsVectorLayer('%s table="%s" (g) key=\'%s\' sql=' % (dbconn, query.replace('"', '\\"'), att), "testgeom", "postgres")
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print(query, att)
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assert(ql.isValid())
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features = ql.getFeatures()
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att_idx = ql.fieldNameIndex(att)
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count = 0
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for f in features:
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count += 1
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self.assertEqual(f.attributes()[att_idx], val)
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#self.assertEqual(f.id(), val)
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self.assertEqual(count, 1)
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test_query_attribute(self.dbconn, '(SELECT -1::int4 i, NULL::geometry(Point) g)', 'i', -1, 1)
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test_query_attribute(self.dbconn, '(SELECT -1::int2 i, NULL::geometry(Point) g)', 'i', -1, 1)
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test_query_attribute(self.dbconn, '(SELECT -1::int8 i, NULL::geometry(Point) g)', 'i', -1, 1)
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test_query_attribute(self.dbconn, '(SELECT -65535::int8 i, NULL::geometry(Point) g)', 'i', -65535, 1)
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def testPktIntInsert(self):
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vl = QgsVectorLayer('{} table="qgis_test"."{}" key="pk" sql='.format(self.dbconn, 'bikes_view'), "bikes_view", "postgres")
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self.assertTrue(vl.isValid())
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f = QgsFeature(vl.fields())
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f['pk'] = NULL
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f['name'] = 'Cilo'
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r, f = vl.dataProvider().addFeatures([f])
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self.assertTrue(r)
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self.assertNotEqual(f[0]['pk'], NULL, f[0].attributes())
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vl.deleteFeatures([f[0].id()])
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def testPktMapInsert(self):
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vl = QgsVectorLayer('{} table="qgis_test"."{}" key="obj_id" sql='.format(self.dbconn, 'oid_serial_table'), "oid_serial", "postgres")
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self.assertTrue(vl.isValid())
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f = QgsFeature(vl.fields())
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f['obj_id'] = vl.dataProvider().defaultValue(0)
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f['name'] = 'Test'
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r, f = vl.dataProvider().addFeatures([f])
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self.assertTrue(r)
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self.assertNotEqual(f[0]['obj_id'], NULL, f[0].attributes())
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vl.deleteFeatures([f[0].id()])
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def testNestedInsert(self):
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tg = QgsTransactionGroup()
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tg.addLayer(self.vl)
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self.vl.startEditing()
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it = self.vl.getFeatures()
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f = next(it)
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f['pk'] = NULL
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self.vl.addFeature(f) # Should not deadlock during an active iteration
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f = next(it)
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if __name__ == '__main__':
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unittest.main()
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