forked from kartoza/sg-diagram-downloader
/
test_sg_utilities.py
300 lines (252 loc) · 11.4 KB
/
test_sg_utilities.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
# coding=utf-8
"""Tests for Utilities functionality.
.. 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__ = 'ismail@kartoza.com'
__date__ = '30/05/2014'
__copyright__ = ''
import unittest
import os
from qgis.core import (
QgsPoint,
QgsRectangle,
QgsCoordinateReferenceSystem,
QgsCoordinateTransform
)
from PyQt4 import QtCore
from test.utilities_for_testing import (
get_temp_shapefile_layer, TEMP_DIR, get_random_string)
from sg_utilities import (
map_sg_codes_to_provinces,
download_from_url,
get_office,
parse_download_page,
get_filename,
is_valid_sg_code,
point_to_rectangle,
diagram_directory,
download_sg_diagram,
construct_url,
province_for_point)
from database_manager import DatabaseManager
DATA_TEST_DIR = os.path.join(os.path.dirname(__file__), 'test', 'data')
DATA_DIR = os.path.join(os.path.dirname(__file__), 'data')
sg_diagrams_database = os.path.join(DATA_DIR, 'sg_diagrams.sqlite')
from test.utilities_for_testing import get_qgis_app
QGIS_APP = get_qgis_app()
erf_layer = os.path.join(DATA_TEST_DIR, 'erf.shp')
farm_portion_layer = os.path.join(DATA_TEST_DIR, 'farm_portion.shp')
parent_farm_layer = os.path.join(DATA_TEST_DIR, 'parent_farm.shp')
purchaseplan_layer = os.path.join(DATA_TEST_DIR, 'purchaseplan.shp')
dummy_erf_layer = os.path.join(DATA_TEST_DIR, 'dummy_erf.shp')
dummy_purchaseplan_layer = os.path.join(
DATA_TEST_DIR, 'dummy_purchaseplan.shp')
dummy_farm_layer = os.path.join(DATA_TEST_DIR, 'dummy_farm.shp')
class TestUtilities(unittest.TestCase):
# merely assign an attribute
database_manager = None
@classmethod
def setUpClass(cls):
"""Setup Test Class."""
cls.database_manager = DatabaseManager(sg_diagrams_database)
@classmethod
def tearDownClass(cls):
"""Tear down Test Class."""
cls.database_manager.close()
def test_data(self):
self.assertTrue(os.path.exists(erf_layer), erf_layer)
self.assertTrue(os.path.exists(farm_portion_layer), farm_portion_layer)
self.assertTrue(os.path.exists(parent_farm_layer), parent_farm_layer)
self.assertTrue(os.path.exists(purchaseplan_layer), purchaseplan_layer)
self.assertTrue(os.path.exists(dummy_erf_layer), dummy_erf_layer)
self.assertTrue(os.path.exists(
dummy_purchaseplan_layer), dummy_purchaseplan_layer)
self.assertTrue(os.path.exists(dummy_farm_layer), dummy_farm_layer)
def test_download_from_url(self):
"""Test for download from url."""
url = (
'http://csg.dla.gov.za/esio/viewTIFF?'
'furl=/images/9a/1018ML01.TIF&office=SGCTN')
output_directory = TEMP_DIR
filename = get_random_string() + '.TIF'
download_from_url(url, output_directory, filename)
file_path = os.path.join(output_directory, filename)
message = 'File should be existed in %s.' % file_path
self.assertTrue(os.path.exists(file_path), message)
def test_map_sg_codes_to_provinces(self):
"""Test for map_sg_codes_to_provinces."""
site_layer = get_temp_shapefile_layer(
purchaseplan_layer, 'purchaseplan')
diagram_layer = get_temp_shapefile_layer(
parent_farm_layer, 'parent farm')
sg_code_field = 'id'
site_layer.setSelectedFeatures([7])
sg_codes = map_sg_codes_to_provinces(
self.database_manager, site_layer, diagram_layer, sg_code_field)
message = (
'The number of sg codes extracted should be 33. I got %s' % len(
sg_codes))
self.assertEqual(31, len(sg_codes), message)
site_layer = get_temp_shapefile_layer(
dummy_purchaseplan_layer, 'purchaseplan')
diagram_layer = get_temp_shapefile_layer(
dummy_erf_layer, 'parent farm')
sg_code_field = 'id'
sg_codes = map_sg_codes_to_provinces(
self.database_manager, site_layer, diagram_layer, sg_code_field,
all_features=True)
expected_result = {u'C01300280000000600000': 'Western Cape'}
message = 'Should be %s but got %s' % (expected_result, sg_codes)
self.assertEqual(expected_result, sg_codes, message)
# site and parcel layer do not use 4326 crs
site_layer = get_temp_shapefile_layer(
dummy_purchaseplan_layer, 'purchaseplan')
diagram_layer = get_temp_shapefile_layer(
dummy_farm_layer, 'parent farm')
sg_code_field = 'id'
# site and parcel layer have different crs
sg_codes = map_sg_codes_to_provinces(
self.database_manager, site_layer, diagram_layer, sg_code_field,
all_features=True)
expected_result = {u'C01300280000000600000': 'Western Cape'}
message = 'Should be %s but got %s' % (expected_result, sg_codes)
self.assertEqual(expected_result, sg_codes, message)
def test_get_office(self):
"""Test for get_office function."""
province = 'Eastern Cape'
region_code = 'C0020000'
expected_result = 'SGELN', '8', 'Rural'
result = get_office(self.database_manager, region_code, province)
message = 'Expected %s got %s' % (expected_result, result)
self.assertEqual(expected_result, result, message)
province = 'Eastern Cape XXX'
region_code = 'C0020000'
message = 'Should be None'
self.assertIsNone(
get_office(self.database_manager, region_code, province), message)
def test_parse_download_page(self):
"""Test for parse_download_page."""
url = ('http://csg.dla.gov.za/esio/listdocument.jsp?regDivision'
'=C0160013&Noffice=2&Erf=1234&Portion=0&FarmName=')
urls = parse_download_page(url)
expected_urls = [
'http://csg.dla.gov.za/esio/viewTIFF?furl=/'
'images/9a/1018ML01.TIF&office=SGCTN']
message = 'Should be %s but got %s' % (expected_urls, urls)
self.assertEqual(urls, expected_urls, message)
def test_parse_url(self):
"""Test for get_filename."""
url = ('http://csg.dla.gov.za/esio/viewTIFF?furl=/'
'images/9a/1018ML01.TIF&office=SGCTN')
filename = get_filename(url)
expected_filename = '1018ML01.TIF'
message = 'Should be %s but got %s' % (expected_filename, filename)
self.assertEqual(filename, expected_filename, message)
def test_is_valid_sg_code(self):
"""Test for is_valid_sg_code."""
self.assertTrue(is_valid_sg_code('C01900000000026300000'))
self.assertTrue(is_valid_sg_code('B01900000000026300000'))
# issue #20
self.assertTrue(is_valid_sg_code('T0JP00000000010800008'))
self.assertFalse(is_valid_sg_code('Foo'))
# Too long
self.assertFalse(is_valid_sg_code('B019000000000263000000'))
# Too short
self.assertFalse(is_valid_sg_code('B01900000000026300'))
# not valid regex
self.assertFalse(is_valid_sg_code('C0190000000002630000X'))
# Null
# noinspection PyUnresolvedReferences
null_variant = QtCore.QPyNullVariant(str)
self.assertFalse(is_valid_sg_code(null_variant))
# unicode
unicode_sg_code = unicode('B01900000000026300000')
self.assertTrue(is_valid_sg_code(unicode_sg_code))
unicode_sg_code = unicode('B0190000000002630000X')
self.assertFalse(is_valid_sg_code(unicode_sg_code))
def test_point_to_rectangle(self):
"""Test for point to rectangle."""
point = QgsPoint(1.0, 1.0)
rectangle = point_to_rectangle(point)
expected_rectangle = QgsRectangle(
0.9999999999900000,
0.9999999999900000,
1.0000000000100000,
1.0000000000100000)
self.assertEqual(rectangle.toString(), expected_rectangle.toString())
def test_diagram_directory(self):
"""Test we can get the diagram directory properly."""
path = diagram_directory()
self.assertTrue(os.path.exists(path))
def test_download_sg_diagram(self):
"""Test for download sg diagram."""
# Do it 5 times, just for checking that everything is fine.
# No worries, it will not download if the file is existed
i = 0
while i < 5:
sg_code = 'C01300000000001400000'
province_name = 'Western Cape'
output_directory = TEMP_DIR
report = download_sg_diagram(
self.database_manager,
sg_code,
province_name,
output_directory)
self.assertEqual(4, report.count('Success'))
i += 1
# issue #20
sg_code = 'T0JP00000000010800008'
province_name = 'Gauteng'
output_directory = TEMP_DIR
report = download_sg_diagram(
self.database_manager,
sg_code,
province_name,
output_directory)
message = 'Expected 1 success got %d success' % report.count('Success')
self.assertEqual(1, report.count('Success'), message)
def test_construct_url(self):
"""Test constructing url."""
sg_code = 'C01300000000076700000'
province = 'Western Cape'
url = construct_url(self.database_manager, sg_code, province)
expected_url = (
'http://csg.dla.gov.za/esio/listdocument.jsp?regDivision='
'C0130000&office=SGCTN&Noffice=2&Erf=00000767&Portion=00000')
message = 'Expected %s, got %s' % (expected_url, url)
self.assertEqual(url, expected_url, message)
def test_province_for_point(self):
"""Test for province for point function."""
# Point falls in South Africa
point = QgsPoint(21, -30)
expected_province = 'Free State'
province = province_for_point(self.database_manager, point)
message = 'Should be %s but got %s' % (expected_province, province)
self.assertEqual(expected_province, province, message)
# Point falls in Indonesia
point = QgsPoint(109, -7)
expected_province = None
province = province_for_point(self.database_manager, point)
message = 'Should be %s but got %s' % (expected_province, province)
self.assertEqual(expected_province, province, message)
# Point falls in South Africa but uses different CRS
point = QgsPoint(2265216.874, -3952469.869)
expected_province = None
province = province_for_point(self.database_manager, point)
message = 'Should be %s but got %s' % (expected_province, province)
self.assertEqual(expected_province, province, message)
# Point falls in South Africa but uses different CRS, reproject to 4326
osm_crs = QgsCoordinateReferenceSystem(3857)
wgs84_crs = QgsCoordinateReferenceSystem(4326)
transformer = QgsCoordinateTransform(osm_crs, wgs84_crs)
point = QgsPoint(2265216.874, -3952469.869)
point_transformed = transformer.transform(point)
expected_province = 'Western Cape'
province = province_for_point(self.database_manager, point_transformed)
message = 'Should be %s but got %s' % (expected_province, province)
self.assertEqual(expected_province, province, message)
if __name__ == '__main__':
unittest.main()