| 1 |
# Copyright (c) 2002, 2003, 2004, 2005 by Intevation GmbH |
| 2 |
# Authors: |
| 3 |
# Bernhard Herzog <[email protected]> |
| 4 |
# |
| 5 |
# This program is free software under the GPL (>=v2) |
| 6 |
# Read the file COPYING coming with Thuban for details. |
| 7 |
|
| 8 |
""" |
| 9 |
Test saving a thuban session as XML |
| 10 |
""" |
| 11 |
|
| 12 |
__version__ = "$Revision$" |
| 13 |
# $Source$ |
| 14 |
# $Id$ |
| 15 |
|
| 16 |
import os |
| 17 |
import unittest |
| 18 |
from StringIO import StringIO |
| 19 |
|
| 20 |
import xmlsupport |
| 21 |
import postgissupport |
| 22 |
|
| 23 |
import support |
| 24 |
support.initthuban() |
| 25 |
|
| 26 |
import dbflib |
| 27 |
|
| 28 |
from Thuban import internal_from_unicode |
| 29 |
from Thuban.Lib.fileutil import relative_filename |
| 30 |
from Thuban.Model.save import XMLWriter, save_session, sort_data_stores |
| 31 |
from Thuban.Model.session import Session |
| 32 |
from Thuban.Model.map import Map |
| 33 |
from Thuban.Model.layer import Layer, RasterLayer |
| 34 |
from Thuban.Model.proj import Projection |
| 35 |
from Thuban.Model.table import DBFTable |
| 36 |
from Thuban.Model.transientdb import TransientJoinedTable |
| 37 |
from Thuban.Model.data import DerivedShapeStore, SHAPETYPE_ARC |
| 38 |
|
| 39 |
from Thuban.Model.classification import ClassGroupSingleton, ClassGroupRange, \ |
| 40 |
ClassGroupProperties |
| 41 |
|
| 42 |
from Thuban.Model.range import Range |
| 43 |
|
| 44 |
from Thuban.Model.postgisdb import PostGISConnection, PostGISShapeStore |
| 45 |
|
| 46 |
|
| 47 |
class XMLWriterTest(unittest.TestCase): |
| 48 |
|
| 49 |
def testEncode(self): |
| 50 |
"""Test XMLWriter.encode""" |
| 51 |
writer = XMLWriter() |
| 52 |
eq = self.assertEquals |
| 53 |
|
| 54 |
eq(writer.encode("hello world"), "hello world") |
| 55 |
eq(writer.encode(unicode("hello world")), unicode("hello world")) |
| 56 |
|
| 57 |
eq(writer.encode(internal_from_unicode(u"\x80\x90\xc2\x100")), |
| 58 |
"\xc2\x80\xc2\x90\xc3\x82\x100") |
| 59 |
eq(writer.encode(u"\x80\x90\xc2\x100"), |
| 60 |
"\xc2\x80\xc2\x90\xc3\x82\x100") |
| 61 |
eq(writer.encode(u"\xFF5E"), "\xc3\xbf5E") |
| 62 |
|
| 63 |
eq(writer.encode('&"\'<>'), "&"'<>") |
| 64 |
eq(writer.encode(unicode('&"\'<>')), "&"'<>") |
| 65 |
|
| 66 |
class SaveSessionTest(unittest.TestCase, support.FileTestMixin, |
| 67 |
xmlsupport.ValidationTest): |
| 68 |
|
| 69 |
dtd = "http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd" |
| 70 |
thubanids = [((dtd, n), (None, "id")) for n in |
| 71 |
["fileshapesource", "filetable", "jointable", |
| 72 |
"derivedshapesource", "dbshapesource", "dbconnection"]] |
| 73 |
thubanidrefs = [((dtd, n), (None, m)) for n, m in |
| 74 |
[("layer", "shapestore"), |
| 75 |
("jointable", "left"), |
| 76 |
("jointable", "right"), |
| 77 |
("derivedshapesource", "table"), |
| 78 |
("derivedshapesource", "shapesource"), |
| 79 |
("dbshapesource", "dbconn")]] |
| 80 |
del n, m, dtd |
| 81 |
|
| 82 |
def tearDown(self): |
| 83 |
"""Call self.session.Destroy |
| 84 |
|
| 85 |
Test cases that create session should bind it to self.session so |
| 86 |
that it gets destroyed properly |
| 87 |
""" |
| 88 |
if hasattr(self, "session"): |
| 89 |
self.session.Destroy() |
| 90 |
self.session = None |
| 91 |
|
| 92 |
def compare_xml(self, xml1, xml2): |
| 93 |
list1 = xmlsupport.sax_eventlist(xml1, ids = self.thubanids, |
| 94 |
idrefs = self.thubanidrefs) |
| 95 |
list2 = xmlsupport.sax_eventlist(xml2, ids = self.thubanids, |
| 96 |
idrefs = self.thubanidrefs) |
| 97 |
if list1 != list2: |
| 98 |
for a, b in zip(list1, list2): |
| 99 |
if a != b: |
| 100 |
self.fail("%r != %r" % (a, b)) |
| 101 |
|
| 102 |
|
| 103 |
def testEmptySession(self): |
| 104 |
"""Save an empty session""" |
| 105 |
session = Session("empty session") |
| 106 |
filename = self.temp_file_name("save_emptysession.thuban") |
| 107 |
save_session(session, filename) |
| 108 |
session.Destroy() |
| 109 |
|
| 110 |
file = open(filename) |
| 111 |
written_contents = file.read() |
| 112 |
file.close() |
| 113 |
self.compare_xml(written_contents, |
| 114 |
'<?xml version="1.0" encoding="UTF-8"?>\n' |
| 115 |
'<!DOCTYPE session SYSTEM "thuban-1.1.dtd">\n' |
| 116 |
'<session title="empty session" ' |
| 117 |
'xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd">' |
| 118 |
'\n</session>\n') |
| 119 |
|
| 120 |
self.validate_data(written_contents) |
| 121 |
|
| 122 |
def testSingleLayer(self): |
| 123 |
"""Save a session with a single map with a single layer""" |
| 124 |
# deliberately put an apersand in the title :) |
| 125 |
session = Session("single map&layer") |
| 126 |
proj = Projection(["proj=utm", "zone=27", "ellps=WGS84", |
| 127 |
"datum=WGS84", "units=m"], |
| 128 |
name = "WGS 84 / UTM zone 27N", |
| 129 |
epsg = "32627") |
| 130 |
map = Map("Test Map", projection = proj) |
| 131 |
session.AddMap(map) |
| 132 |
# use shapefile from the example data |
| 133 |
shpfile = os.path.join(os.path.dirname(__file__), |
| 134 |
os.pardir, "Data", "iceland", "political.shp") |
| 135 |
layer = Layer("My Layer", session.OpenShapefile(shpfile)) |
| 136 |
map.AddLayer(layer) |
| 137 |
|
| 138 |
filename = self.temp_file_name("save_singlemap.thuban") |
| 139 |
save_session(session, filename) |
| 140 |
|
| 141 |
file = open(filename) |
| 142 |
written_contents = file.read() |
| 143 |
file.close() |
| 144 |
expected_template = '''<?xml version="1.0" encoding="UTF-8"?> |
| 145 |
<!DOCTYPE session SYSTEM "thuban-1.1.dtd"> |
| 146 |
<session title="single map&layer" |
| 147 |
xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd"> |
| 148 |
<fileshapesource id="D1" |
| 149 |
filename="../../Data/iceland/political.shp" |
| 150 |
filetype="shapefile"/> |
| 151 |
<map title="Test Map"> |
| 152 |
<projection epsg="32627" name="WGS 84 / UTM zone 27N"> |
| 153 |
<parameter value="proj=utm"/> |
| 154 |
<parameter value="zone=27"/> |
| 155 |
<parameter value="ellps=WGS84"/> |
| 156 |
<parameter value="datum=WGS84"/> |
| 157 |
<parameter value="units=m"/> |
| 158 |
</projection> |
| 159 |
<layer title="My Layer" shapestore="D1" visible="%s"> |
| 160 |
<classification> |
| 161 |
<clnull label=""> |
| 162 |
<cldata fill="None" stroke="#000000" |
| 163 |
stroke_width="1"/> |
| 164 |
</clnull> |
| 165 |
</classification> |
| 166 |
</layer> |
| 167 |
</map> |
| 168 |
</session>''' |
| 169 |
|
| 170 |
expected_contents = expected_template % "true" |
| 171 |
|
| 172 |
self.compare_xml(written_contents, expected_contents) |
| 173 |
|
| 174 |
self.validate_data(written_contents) |
| 175 |
|
| 176 |
# Repeat with an invisible layer |
| 177 |
layer.SetVisible(False) |
| 178 |
save_session(session, filename) |
| 179 |
|
| 180 |
file = open(filename) |
| 181 |
written_contents = file.read() |
| 182 |
file.close() |
| 183 |
expected_contents = expected_template % "false" |
| 184 |
self.compare_xml(written_contents, expected_contents) |
| 185 |
self.validate_data(written_contents) |
| 186 |
|
| 187 |
session.Destroy() |
| 188 |
|
| 189 |
def testLayerProjection(self): |
| 190 |
"""Test saving layers with projections""" |
| 191 |
# deliberately put an apersand in the title :) |
| 192 |
session = self.session = Session("single map&layer") |
| 193 |
proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"]) |
| 194 |
map = Map("Test Map", projection = proj) |
| 195 |
session.AddMap(map) |
| 196 |
# use shapefile from the example data |
| 197 |
shpfile = os.path.join(os.path.dirname(__file__), |
| 198 |
os.pardir, "Data", "iceland", "political.shp") |
| 199 |
layer = Layer("My Layer", session.OpenShapefile(shpfile)) |
| 200 |
proj = Projection(["proj=lcc", "ellps=clrk66", |
| 201 |
"lat_1=0", "lat_2=20"], |
| 202 |
"Layer Projection") |
| 203 |
layer.SetProjection(proj) |
| 204 |
map.AddLayer(layer) |
| 205 |
|
| 206 |
filename = self.temp_file_name("save_layerproj.thuban") |
| 207 |
save_session(session, filename) |
| 208 |
|
| 209 |
file = open(filename) |
| 210 |
written_contents = file.read() |
| 211 |
file.close() |
| 212 |
expected_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
| 213 |
<!DOCTYPE session SYSTEM "thuban-1.1.dtd"> |
| 214 |
<session title="single map&layer" |
| 215 |
xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd"> |
| 216 |
<fileshapesource id="D1" |
| 217 |
filename="../../Data/iceland/political.shp" |
| 218 |
filetype="shapefile"/> |
| 219 |
<map title="Test Map"> |
| 220 |
<projection name="Unknown"> |
| 221 |
<parameter value="zone=26"/> |
| 222 |
<parameter value="proj=utm"/> |
| 223 |
<parameter value="ellps=clrk66"/> |
| 224 |
</projection> |
| 225 |
<layer title="My Layer" shapestore="D1" visible="true"> |
| 226 |
<projection name="Layer Projection"> |
| 227 |
<parameter value="proj=lcc"/> |
| 228 |
<parameter value="ellps=clrk66"/> |
| 229 |
<parameter value="lat_1=0"/> |
| 230 |
<parameter value="lat_2=20"/> |
| 231 |
</projection> |
| 232 |
<classification> |
| 233 |
<clnull label=""> |
| 234 |
<cldata fill="None" stroke="#000000" |
| 235 |
stroke_width="1"/> |
| 236 |
</clnull> |
| 237 |
</classification> |
| 238 |
</layer> |
| 239 |
</map> |
| 240 |
</session>''' |
| 241 |
#print written_contents |
| 242 |
#print "********************************************" |
| 243 |
#print expected_contents |
| 244 |
self.compare_xml(written_contents, expected_contents) |
| 245 |
|
| 246 |
self.validate_data(written_contents) |
| 247 |
|
| 248 |
def testRasterLayer(self): |
| 249 |
|
| 250 |
MASK_NONE = RasterLayer.MASK_NONE |
| 251 |
MASK_BIT = RasterLayer.MASK_BIT |
| 252 |
MASK_ALPHA = RasterLayer.MASK_ALPHA |
| 253 |
|
| 254 |
for opacity, masktype, opname, maskname in \ |
| 255 |
[(1, MASK_BIT, '', ''), |
| 256 |
(.2, MASK_BIT, 'opacity="0.2"', ''), |
| 257 |
(1, MASK_ALPHA, '', 'masktype="alpha"'), |
| 258 |
(.5, MASK_ALPHA, 'opacity="0.5"', 'masktype="alpha"'), |
| 259 |
(1, MASK_NONE, '', 'masktype="none"'), |
| 260 |
(0, MASK_NONE, 'opacity="0"', 'masktype="none"') ]: |
| 261 |
|
| 262 |
|
| 263 |
# deliberately put an apersand in the title :) |
| 264 |
session = Session("single map&layer") |
| 265 |
map = Map("Test Map") |
| 266 |
session.AddMap(map) |
| 267 |
# use shapefile from the example data |
| 268 |
imgfile = os.path.join(os.path.dirname(__file__), |
| 269 |
os.pardir, "Data", "iceland", "island.tif") |
| 270 |
layer = RasterLayer("My RasterLayer", imgfile) |
| 271 |
|
| 272 |
layer.SetOpacity(opacity) |
| 273 |
layer.SetMaskType(masktype) |
| 274 |
|
| 275 |
map.AddLayer(layer) |
| 276 |
|
| 277 |
filename = self.temp_file_name("%s.thuban" % self.id()) |
| 278 |
save_session(session, filename) |
| 279 |
session.Destroy() |
| 280 |
|
| 281 |
file = open(filename) |
| 282 |
written_contents = file.read() |
| 283 |
file.close() |
| 284 |
expected_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
| 285 |
<!DOCTYPE session SYSTEM "thuban-1.1.dtd"> |
| 286 |
<session title="single map&layer" |
| 287 |
xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd"> |
| 288 |
<map title="Test Map"> |
| 289 |
<rasterlayer title="My RasterLayer" |
| 290 |
filename="../../Data/iceland/island.tif" |
| 291 |
visible="true" %s %s> |
| 292 |
</rasterlayer> |
| 293 |
</map> |
| 294 |
</session>''' % (opname, maskname) |
| 295 |
#print written_contents |
| 296 |
#print "********************************************" |
| 297 |
#print expected_contents |
| 298 |
self.compare_xml(written_contents, expected_contents) |
| 299 |
|
| 300 |
self.validate_data(written_contents) |
| 301 |
|
| 302 |
def testClassifiedLayer(self): |
| 303 |
"""Save a session with a single map with classifications""" |
| 304 |
# deliberately put an apersand in the title :) |
| 305 |
session = Session("Map with Classifications") |
| 306 |
proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"]) |
| 307 |
map = Map("Test Map", projection = proj) |
| 308 |
session.AddMap(map) |
| 309 |
# use shapefile from the example data |
| 310 |
shpfile = os.path.join(os.path.dirname(__file__), |
| 311 |
os.pardir, "Data", "iceland", "political.shp") |
| 312 |
layer = Layer("My Layer", session.OpenShapefile(shpfile)) |
| 313 |
map.AddLayer(layer) |
| 314 |
layer2 = Layer("My Layer", layer.ShapeStore()) |
| 315 |
map.AddLayer(layer2) |
| 316 |
|
| 317 |
clazz = layer.GetClassification() |
| 318 |
|
| 319 |
layer.SetClassificationColumn("AREA") |
| 320 |
|
| 321 |
clazz.AppendGroup(ClassGroupSingleton(42, ClassGroupProperties(), |
| 322 |
"single")) |
| 323 |
clazz.AppendGroup(ClassGroupSingleton("text", ClassGroupProperties(), |
| 324 |
"single-text")) |
| 325 |
|
| 326 |
clazz.AppendGroup(ClassGroupRange((0, 42), |
| 327 |
ClassGroupProperties(), |
| 328 |
"range")) |
| 329 |
|
| 330 |
range = ClassGroupRange(Range("[0;42]")) |
| 331 |
range.SetProperties(ClassGroupProperties()) |
| 332 |
range.SetLabel("new-range") |
| 333 |
clazz.AppendGroup(range) |
| 334 |
|
| 335 |
|
| 336 |
clazz = layer2.GetClassification() |
| 337 |
layer2.SetClassificationColumn("POPYCOUN") |
| 338 |
|
| 339 |
# Classification with Latin 1 text |
| 340 |
clazz.AppendGroup(ClassGroupSingleton( |
| 341 |
internal_from_unicode(u'\xe4\xf6\xfc'), # ae, oe, ue |
| 342 |
ClassGroupProperties(), |
| 343 |
internal_from_unicode(u'\xdcml\xe4uts'))) # Uemlaeuts |
| 344 |
|
| 345 |
|
| 346 |
filename = self.temp_file_name("%s.thuban" % self.id()) |
| 347 |
save_session(session, filename) |
| 348 |
|
| 349 |
file = open(filename) |
| 350 |
written_contents = file.read() |
| 351 |
file.close() |
| 352 |
expected_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
| 353 |
<!DOCTYPE session SYSTEM "thuban-1.1.dtd"> |
| 354 |
<session title="Map with Classifications" |
| 355 |
xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd"> |
| 356 |
<fileshapesource id="D1" |
| 357 |
filename="../../Data/iceland/political.shp" |
| 358 |
filetype="shapefile"/> |
| 359 |
<map title="Test Map"> |
| 360 |
<projection name="Unknown"> |
| 361 |
<parameter value="zone=26"/> |
| 362 |
<parameter value="proj=utm"/> |
| 363 |
<parameter value="ellps=clrk66"/> |
| 364 |
</projection> |
| 365 |
<layer title="My Layer" shapestore="D1" visible="true"> |
| 366 |
<classification field="AREA" field_type="double"> |
| 367 |
<clnull label=""> |
| 368 |
<cldata fill="None" stroke="#000000" stroke_width="1"/> |
| 369 |
</clnull> |
| 370 |
<clpoint value="42" label="single"> |
| 371 |
<cldata fill="None" stroke="#000000" stroke_width="1"/> |
| 372 |
</clpoint> |
| 373 |
<clpoint value="text" label="single-text"> |
| 374 |
<cldata fill="None" stroke="#000000" stroke_width="1"/> |
| 375 |
</clpoint> |
| 376 |
<clrange range="[0;42[" label="range"> |
| 377 |
<cldata fill="None" stroke="#000000" stroke_width="1"/> |
| 378 |
</clrange> |
| 379 |
<clrange range="[0;42]" label="new-range"> |
| 380 |
<cldata fill="None" stroke="#000000" stroke_width="1"/> |
| 381 |
</clrange> |
| 382 |
</classification> |
| 383 |
</layer> |
| 384 |
<layer title="My Layer" shapestore="D1" visible="true"> |
| 385 |
<classification field="POPYCOUN" field_type="string"> |
| 386 |
<clnull label=""> |
| 387 |
<cldata fill="None" stroke="#000000" stroke_width="1"/> |
| 388 |
</clnull> |
| 389 |
<clpoint value="\xc3\xa4\xc3\xb6\xc3\xbc" |
| 390 |
label="\xc3\x9cml\xc3\xa4uts"> |
| 391 |
<cldata fill="None" stroke="#000000" stroke_width="1"/> |
| 392 |
</clpoint> |
| 393 |
</classification> |
| 394 |
</layer> |
| 395 |
</map> |
| 396 |
</session>''' |
| 397 |
|
| 398 |
#print written_contents |
| 399 |
#print "********************************************" |
| 400 |
#print expected_contents |
| 401 |
self.compare_xml(written_contents, expected_contents) |
| 402 |
|
| 403 |
self.validate_data(written_contents) |
| 404 |
|
| 405 |
session.Destroy() |
| 406 |
|
| 407 |
def test_dbf_table(self): |
| 408 |
"""Test saving a session with a dbf table link""" |
| 409 |
session = self.session = Session("a DBF Table session") |
| 410 |
# use shapefile from the example data |
| 411 |
dbffile = os.path.join(os.path.dirname(__file__), |
| 412 |
os.pardir, "Data", "iceland", "political.dbf") |
| 413 |
table = session.AddTable(DBFTable(dbffile)) |
| 414 |
|
| 415 |
filename = self.temp_file_name("save_singletable.thuban") |
| 416 |
save_session(session, filename) |
| 417 |
|
| 418 |
file = open(filename) |
| 419 |
written_contents = file.read() |
| 420 |
file.close() |
| 421 |
expected_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
| 422 |
<!DOCTYPE session SYSTEM "thuban-1.1.dtd"> |
| 423 |
<session title="a DBF Table session" |
| 424 |
xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd"> |
| 425 |
<filetable id="D1" filename="../../Data/iceland/political.dbf" |
| 426 |
filetype="DBF" title="political"/> |
| 427 |
</session>''' |
| 428 |
|
| 429 |
self.compare_xml(written_contents, expected_contents) |
| 430 |
self.validate_data(written_contents) |
| 431 |
|
| 432 |
def test_joined_table(self): |
| 433 |
"""Test saving a session with joined table""" |
| 434 |
# Create a simple table to use in the join |
| 435 |
dbffile = self.temp_file_name("save_joinedtable.dbf") |
| 436 |
dbf = dbflib.create(dbffile) |
| 437 |
dbf.add_field("RDTYPE", dbflib.FTInteger, 10, 0) |
| 438 |
dbf.add_field("TEXT", dbflib.FTString, 10, 0) |
| 439 |
dbf.write_record(0, {'RDTYPE': 8, "TEXT": "foo"}) |
| 440 |
dbf.write_record(1, {'RDTYPE': 2, "TEXT": "bar"}) |
| 441 |
dbf.write_record(2, {'RDTYPE': 3, "TEXT": "baz"}) |
| 442 |
dbf.close() |
| 443 |
|
| 444 |
# Create the session and a map |
| 445 |
session = Session("A Joined Table session") |
| 446 |
try: |
| 447 |
map = Map("Test Map") |
| 448 |
session.AddMap(map) |
| 449 |
|
| 450 |
# Add the dbf file to the session |
| 451 |
dbftable = session.AddTable(DBFTable(dbffile)) |
| 452 |
|
| 453 |
# Create a layer with the shapefile to use in the join |
| 454 |
shpfile = os.path.join(os.path.abspath(os.path.dirname(__file__)), |
| 455 |
os.pardir, "Data", "iceland", |
| 456 |
"roads-line.shp") |
| 457 |
layer = Layer("My Layer", session.OpenShapefile(shpfile)) |
| 458 |
map.AddLayer(layer) |
| 459 |
|
| 460 |
# Do the join |
| 461 |
store = layer.ShapeStore() |
| 462 |
#for col in store.Table().Columns(): |
| 463 |
# print col.name |
| 464 |
joined = TransientJoinedTable(session.TransientDB(), |
| 465 |
store.Table(), "RDLNTYPE", |
| 466 |
dbftable, "RDTYPE", |
| 467 |
outer_join = True) |
| 468 |
store = session.AddShapeStore(DerivedShapeStore(store, joined)) |
| 469 |
layer.SetShapeStore(store) |
| 470 |
|
| 471 |
# Save the session |
| 472 |
filename = self.temp_file_name("save_joinedtable.thuban") |
| 473 |
save_session(session, filename) |
| 474 |
|
| 475 |
# Read it back and compare |
| 476 |
file = open(filename) |
| 477 |
written_contents = file.read() |
| 478 |
file.close() |
| 479 |
expected_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
| 480 |
<!DOCTYPE session SYSTEM "thuban-1.1.dtd"> |
| 481 |
<session title="A Joined Table session" |
| 482 |
xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd"> |
| 483 |
<fileshapesource filename="../../Data/iceland/roads-line.shp" |
| 484 |
filetype="shapefile" id="D142197204"/> |
| 485 |
<filetable filename="save_joinedtable.dbf" |
| 486 |
title="save_joinedtable" |
| 487 |
filetype="DBF" id="D141881756"/> |
| 488 |
<jointable id="D142180284" |
| 489 |
title="Join of roads-line and save_joinedtable" |
| 490 |
leftcolumn="RDLNTYPE" left="D142197204" |
| 491 |
rightcolumn="RDTYPE" right="D141881756" |
| 492 |
jointype="LEFT OUTER" /> |
| 493 |
<derivedshapesource id="D141915644" |
| 494 |
table="D142180284" |
| 495 |
shapesource="D142197204"/> |
| 496 |
<map title="Test Map"> |
| 497 |
<layer title="My Layer" |
| 498 |
shapestore="D141915644" visible="true"> |
| 499 |
<classification> |
| 500 |
<clnull label=""> |
| 501 |
<cldata fill="None" stroke="#000000" |
| 502 |
stroke_width="1"/> |
| 503 |
</clnull> |
| 504 |
</classification> |
| 505 |
</layer> |
| 506 |
</map> |
| 507 |
</session>''' |
| 508 |
|
| 509 |
self.compare_xml(written_contents, expected_contents) |
| 510 |
self.validate_data(written_contents) |
| 511 |
finally: |
| 512 |
session.Destroy() |
| 513 |
session = None |
| 514 |
|
| 515 |
|
| 516 |
def test_save_postgis(self): |
| 517 |
"""Test saving a session with a postgis connection""" |
| 518 |
|
| 519 |
class NonConnection(PostGISConnection): |
| 520 |
"""connection class that doesn't actually connect """ |
| 521 |
def connect(self): |
| 522 |
pass |
| 523 |
|
| 524 |
class NonConnectionStore(PostGISShapeStore): |
| 525 |
"""Shapestore that doesn't try to access the server""" |
| 526 |
def _fetch_table_information(self): |
| 527 |
# pretend that we've found a geometry column |
| 528 |
self.geometry_column = "the_geom" |
| 529 |
# pretend this is a ARC shape type. |
| 530 |
self.shape_type = SHAPETYPE_ARC |
| 531 |
def IDColumn(self): |
| 532 |
"""Return an object with a name attribute with value 'gid'""" |
| 533 |
class dummycol: |
| 534 |
name = "gid" |
| 535 |
return dummycol |
| 536 |
|
| 537 |
session = Session("A PostGIS Session") |
| 538 |
try: |
| 539 |
dbconn = NonConnection(dbname="plugh", host="xyzzy", port="42", |
| 540 |
user="grue") |
| 541 |
session.AddDBConnection(dbconn) |
| 542 |
map = Map("Test Map") |
| 543 |
session.AddMap(map) |
| 544 |
store = NonConnectionStore(dbconn, "roads") |
| 545 |
session.AddShapeStore(store) |
| 546 |
layer = Layer("Roads to Nowhere", store) |
| 547 |
map.AddLayer(layer) |
| 548 |
|
| 549 |
# Save the session |
| 550 |
filename = self.temp_file_name(self.id() + ".thuban") |
| 551 |
save_session(session, filename) |
| 552 |
|
| 553 |
# Read it back and compare |
| 554 |
file = open(filename) |
| 555 |
written = file.read() |
| 556 |
file.close() |
| 557 |
expected = '''<?xml version="1.0" encoding="UTF-8"?> |
| 558 |
<!DOCTYPE session SYSTEM "thuban-1.1.dtd"> |
| 559 |
<session title="A PostGIS Session" |
| 560 |
xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd"> |
| 561 |
<dbconnection id="DB" |
| 562 |
dbtype="postgis" dbname="plugh" |
| 563 |
host="xyzzy" port="42" |
| 564 |
user="grue"/> |
| 565 |
<dbshapesource id="roads" dbconn="DB" tablename="roads" |
| 566 |
id_column="gid" geometry_column="the_geom"/> |
| 567 |
<map title="Test Map"> |
| 568 |
<layer title="Roads to Nowhere" |
| 569 |
shapestore="roads" visible="true"> |
| 570 |
<classification> |
| 571 |
<clnull label=""> |
| 572 |
<cldata fill="None" stroke="#000000" |
| 573 |
stroke_width="1"/> |
| 574 |
</clnull> |
| 575 |
</classification> |
| 576 |
</layer> |
| 577 |
</map> |
| 578 |
</session>''' |
| 579 |
self.compare_xml(written, expected) |
| 580 |
self.validate_data(written) |
| 581 |
finally: |
| 582 |
session.Destroy() |
| 583 |
|
| 584 |
|
| 585 |
class MockDataStore: |
| 586 |
|
| 587 |
"""A very simple data store that only has dependencies""" |
| 588 |
|
| 589 |
def __init__(self, name, *dependencies): |
| 590 |
self.name = name |
| 591 |
self.dependencies = dependencies |
| 592 |
|
| 593 |
def __repr__(self): |
| 594 |
return self.name |
| 595 |
|
| 596 |
def Dependencies(self): |
| 597 |
return self.dependencies |
| 598 |
|
| 599 |
|
| 600 |
class TestStoreSort(unittest.TestCase): |
| 601 |
|
| 602 |
def check_sort(self, containers, sorted): |
| 603 |
"""Check whether the list of data containers is sorted""" |
| 604 |
# check whether sorted is in the right order |
| 605 |
seen = {} |
| 606 |
for container in sorted: |
| 607 |
self.failIf(id(container) in seen, |
| 608 |
"Container %r at least twice in %r" % (container, |
| 609 |
sorted)) |
| 610 |
for dep in container.Dependencies(): |
| 611 |
self.assert_(id(dep) in seen, |
| 612 |
"Dependency %r of %r not yet seen" % (dep, |
| 613 |
container)) |
| 614 |
seen[id(container)] = 1 |
| 615 |
# check whether all of containers is in sorted |
| 616 |
for container in containers: |
| 617 |
self.assert_(id(container) in seen, |
| 618 |
"Container %r in containers but not in sorted") |
| 619 |
self.assertEquals(len(containers), len(sorted)) |
| 620 |
|
| 621 |
def test_sort_data_stores(self): |
| 622 |
"""Test Thuban.Model.save.sort_data_stores""" |
| 623 |
d1 = MockDataStore("d1") |
| 624 |
d2 = MockDataStore("d2") |
| 625 |
d3 = MockDataStore("d3", d1) |
| 626 |
d4 = MockDataStore("d4", d1, d3) |
| 627 |
|
| 628 |
containers = [d4, d1, d2, d3] |
| 629 |
self.check_sort(containers, sort_data_stores(containers)) |
| 630 |
containers = [d1, d3, d2, d4] |
| 631 |
self.check_sort(containers, sort_data_stores(containers)) |
| 632 |
|
| 633 |
|
| 634 |
|
| 635 |
if __name__ == "__main__": |
| 636 |
# Fake the __file__ global because it's needed by a test |
| 637 |
import sys |
| 638 |
__file__ = sys.argv[0] |
| 639 |
support.run_tests() |
Parent Directory
| 
Revision Log