| 1 |
# Copyright (c) 2002, 2003 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 the Session class |
| 10 |
""" |
| 11 |
|
| 12 |
__version__ = "$Revision$" |
| 13 |
# $Source$ |
| 14 |
# $Id$ |
| 15 |
|
| 16 |
import os |
| 17 |
import unittest |
| 18 |
|
| 19 |
import support |
| 20 |
support.initthuban() |
| 21 |
|
| 22 |
from Thuban.Model.messages import CHANGED, MAPS_CHANGED, FILENAME_CHANGED, \ |
| 23 |
MAP_PROJECTION_CHANGED, MAP_LAYERS_CHANGED, \ |
| 24 |
LAYER_VISIBILITY_CHANGED, LAYER_CHANGED |
| 25 |
from Thuban.Model.session import Session |
| 26 |
from Thuban.Model.map import Map |
| 27 |
from Thuban.Model.layer import Layer |
| 28 |
from Thuban.Model.proj import Projection |
| 29 |
from Thuban.Model.color import Color |
| 30 |
from Thuban.Model.table import MemoryTable, FIELDTYPE_STRING, \ |
| 31 |
FIELDTYPE_INT, FIELDTYPE_DOUBLE |
| 32 |
|
| 33 |
class TestSessionSimple(unittest.TestCase): |
| 34 |
|
| 35 |
"""Very simple test cases for Session""" |
| 36 |
|
| 37 |
def test_initial_state(self): |
| 38 |
"""Test Session's initial state""" |
| 39 |
session = Session("Test Session") |
| 40 |
self.assertEquals(session.Title(), "Test Session") |
| 41 |
self.assertEquals(session.Maps(), []) |
| 42 |
self.assertEquals(session.Tables(), []) |
| 43 |
self.assertEquals(session.ShapeStores(), []) |
| 44 |
self.assertEquals(session.filename, None) |
| 45 |
self.failIf(session.HasMaps()) |
| 46 |
self.failIf(session.WasModified()) |
| 47 |
session.Destroy() |
| 48 |
|
| 49 |
def test_add_table(self): |
| 50 |
"""Test Session.AddTable()""" |
| 51 |
session = Session("Test Session") |
| 52 |
memtable = MemoryTable([("type", FIELDTYPE_STRING), |
| 53 |
("value", FIELDTYPE_DOUBLE), |
| 54 |
("code", FIELDTYPE_INT)], |
| 55 |
[("OTHER/UNKNOWN", -1.5, 11), |
| 56 |
("RUINS", 0.0, 1), |
| 57 |
("FARM", 3.141, 2), |
| 58 |
("BUILDING", 2.5, 3), |
| 59 |
("HUT", 1e6, 4), |
| 60 |
("LIGHTHOUSE", -0.01, 5)]) |
| 61 |
table = session.AddTable(memtable) |
| 62 |
self.assertEquals(session.Tables(), [table]) |
| 63 |
|
| 64 |
|
| 65 |
class TestSessionBase(unittest.TestCase, support.SubscriberMixin): |
| 66 |
|
| 67 |
"""Base class for Session test cases that test the messages""" |
| 68 |
|
| 69 |
def setUp(self): |
| 70 |
""" |
| 71 |
Clear the message list, create a session and subscribe to its messages |
| 72 |
|
| 73 |
Bind the session to self.session. |
| 74 |
""" |
| 75 |
self.clear_messages() |
| 76 |
|
| 77 |
# Create a Session and subscribe to all interesting channels. |
| 78 |
self.session = Session("Test Session") |
| 79 |
for channel in (CHANGED, |
| 80 |
MAPS_CHANGED, |
| 81 |
FILENAME_CHANGED, |
| 82 |
MAP_PROJECTION_CHANGED, |
| 83 |
MAP_LAYERS_CHANGED, |
| 84 |
LAYER_VISIBILITY_CHANGED, |
| 85 |
LAYER_CHANGED): |
| 86 |
self.session.Subscribe(channel, |
| 87 |
self.subscribe_with_params, channel) |
| 88 |
|
| 89 |
def tearDown(self): |
| 90 |
"""Destroy self.session and clear the message list""" |
| 91 |
self.session.Destroy() |
| 92 |
self.session = None |
| 93 |
self.clear_messages() |
| 94 |
|
| 95 |
|
| 96 |
class TestSessionMessages(TestSessionBase): |
| 97 |
|
| 98 |
"""Simple Session test cases that test messges""" |
| 99 |
|
| 100 |
def test_add_map(self): |
| 101 |
"""Test Session.AddMap""" |
| 102 |
self.failIf(self.session.WasModified()) |
| 103 |
map = Map("Some Map") |
| 104 |
self.session.AddMap(map) |
| 105 |
self.assert_(self.session.HasMaps()) |
| 106 |
self.assert_(self.session.WasModified()) |
| 107 |
self.assertEquals(self.session.Maps(), [map]) |
| 108 |
self.check_messages([(MAPS_CHANGED,), |
| 109 |
(self.session, CHANGED)]) |
| 110 |
|
| 111 |
def test_set_filename(self): |
| 112 |
"""Test Session.SetFilename""" |
| 113 |
self.session.SetFilename("session_set_filename_test") |
| 114 |
self.session.filename = "session_set_filename_test" |
| 115 |
self.check_messages([(FILENAME_CHANGED,), |
| 116 |
(self.session, CHANGED)]) |
| 117 |
|
| 118 |
|
| 119 |
class TestSessionWithContent(TestSessionBase): |
| 120 |
|
| 121 |
"""Session test cases that start with a filled session.""" |
| 122 |
|
| 123 |
def setUp(self): |
| 124 |
"""Extend the inherited method to add a non-empty map to self.session |
| 125 |
""" |
| 126 |
TestSessionBase.setUp(self) |
| 127 |
open_shp = self.session.OpenShapefile |
| 128 |
self.arc_layer = Layer("Roads", |
| 129 |
open_shp(os.path.join("..", "Data", "iceland", |
| 130 |
"roads-line.shp"))) |
| 131 |
self.poly_layer = Layer("Political", |
| 132 |
open_shp(os.path.join("..", "Data", "iceland", |
| 133 |
"political.shp"))) |
| 134 |
self.map = Map("A Map") |
| 135 |
self.map.AddLayer(self.arc_layer) |
| 136 |
self.map.AddLayer(self.poly_layer) |
| 137 |
self.session.AddMap(self.map) |
| 138 |
self.session.UnsetModified() |
| 139 |
self.clear_messages() |
| 140 |
|
| 141 |
def tearDown(self): |
| 142 |
TestSessionBase.tearDown(self) |
| 143 |
self.arc_layer = self.poly_layer = None |
| 144 |
|
| 145 |
def test_remove_map(self): |
| 146 |
"""Test Session.RemoveMap""" |
| 147 |
self.session.RemoveMap(self.map) |
| 148 |
self.assert_(self.session.WasModified()) |
| 149 |
self.failIf(self.session.HasMaps()) |
| 150 |
self.check_messages([(MAPS_CHANGED,), |
| 151 |
(self.session, CHANGED)]) |
| 152 |
|
| 153 |
def test_tree_info(self): |
| 154 |
"""Test Session.TreeInfo""" |
| 155 |
self.assertEquals(self.session.TreeInfo(), |
| 156 |
('Session: Test Session', |
| 157 |
['Filename:', |
| 158 |
'Unmodified', |
| 159 |
self.map])) |
| 160 |
|
| 161 |
def test_forward_map_projection(self): |
| 162 |
"""Test Session forwarding of Map.SetProjection messages""" |
| 163 |
proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"]) |
| 164 |
self.map.SetProjection(proj) |
| 165 |
self.check_messages([(self.map, MAP_PROJECTION_CHANGED), |
| 166 |
(self.session, CHANGED)]) |
| 167 |
self.assert_(self.session.WasModified()) |
| 168 |
|
| 169 |
def test_forward_map_projection(self): |
| 170 |
"""Test Session forwarding of Map.SetProjection messages""" |
| 171 |
proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"]) |
| 172 |
self.map.SetProjection(proj) |
| 173 |
self.assert_(self.session.WasModified()) |
| 174 |
self.check_messages([(self.map, MAP_PROJECTION_CHANGED), |
| 175 |
(self.session, CHANGED)]) |
| 176 |
|
| 177 |
def test_forwarding_fill(self): |
| 178 |
"""Test Session's forwarding of Layer.SetFill messages""" |
| 179 |
self.poly_layer.GetClassification().SetDefaultFill(Color(0.0, 0.5, 1.0)) |
| 180 |
self.assert_(self.session.WasModified()) |
| 181 |
self.check_messages([(self.poly_layer, LAYER_CHANGED), |
| 182 |
(self.session, CHANGED)]) |
| 183 |
|
| 184 |
def test_forwarding_stroke(self): |
| 185 |
"""Test Session's forwarding of Layer.SetStroke messages""" |
| 186 |
self.poly_layer.GetClassification().\ |
| 187 |
SetDefaultLineColor(Color(0.0, 0.5, 1.0)) |
| 188 |
self.assert_(self.session.WasModified()) |
| 189 |
self.check_messages([(self.poly_layer, LAYER_CHANGED), |
| 190 |
(self.session, CHANGED)]) |
| 191 |
|
| 192 |
def test_forwarding_stroke_width(self): |
| 193 |
"""Test Session's forwarding of Layer.SetStrokeWidth messages""" |
| 194 |
self.poly_layer.GetClassification().SetDefaultLineWidth(3) |
| 195 |
self.assert_(self.session.WasModified()) |
| 196 |
self.check_messages([(self.poly_layer, LAYER_CHANGED), |
| 197 |
(self.session, CHANGED)]) |
| 198 |
|
| 199 |
def test_forwarding_visibility(self): |
| 200 |
"""Test Session's forwarding of Layer.SetVisible messages""" |
| 201 |
self.poly_layer.SetVisible(0) |
| 202 |
# Currently changing the visibility of a layer doesn't change |
| 203 |
# the modification flag. |
| 204 |
self.failIf(self.session.WasModified()) |
| 205 |
self.check_messages([(self.poly_layer, LAYER_VISIBILITY_CHANGED), |
| 206 |
(self.session, CHANGED)]) |
| 207 |
|
| 208 |
def test_unset_modified_map(self): |
| 209 |
"""Test Session.UnsetModified with map level changes""" |
| 210 |
self.failIf(self.session.WasModified()) |
| 211 |
proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"]) |
| 212 |
self.map.SetProjection(proj) |
| 213 |
self.assert_(self.session.WasModified()) |
| 214 |
self.session.UnsetModified() |
| 215 |
self.failIf(self.session.WasModified()) |
| 216 |
|
| 217 |
def test_unset_modified_layer(self): |
| 218 |
"""Test Session.UnsetModified with layer level changes""" |
| 219 |
self.failIf(self.session.WasModified()) |
| 220 |
self.poly_layer.GetClassification().SetDefaultLineWidth(3) |
| 221 |
self.assert_(self.session.WasModified()) |
| 222 |
self.session.UnsetModified() |
| 223 |
self.failIf(self.session.WasModified()) |
| 224 |
self.check_messages([(self.poly_layer, LAYER_CHANGED), |
| 225 |
(self.session, CHANGED), |
| 226 |
(CHANGED,)]) |
| 227 |
|
| 228 |
def test_shape_stores(self): |
| 229 |
"""Test Session.ShapeStores()""" |
| 230 |
# Strictly speaking the session doesn't make guarantees about |
| 231 |
# the order of the ShapeStores in the list, but currently it's |
| 232 |
# deterministic and they're listed in the order in which they |
| 233 |
# were created |
| 234 |
self.assertEquals(self.session.ShapeStores(), |
| 235 |
[self.arc_layer.ShapeStore(), |
| 236 |
self.poly_layer.ShapeStore()]) |
| 237 |
# If we remove the map from the session and clear our instance |
| 238 |
# variables that hold the layers and the map the list should |
| 239 |
# become empty again. |
| 240 |
self.session.RemoveMap(self.map) |
| 241 |
self.arc_layer = self.poly_layer = self.map = None |
| 242 |
self.assertEquals(self.session.ShapeStores(), []) |
| 243 |
|
| 244 |
def test_tables(self): |
| 245 |
"""Test Session.Tables()""" |
| 246 |
# Strictly speaking the session doesn't make guarantees about |
| 247 |
# the order of the tables in the list, but currently it's |
| 248 |
# deterministic and they're listed in the order in which they |
| 249 |
# were opened |
| 250 |
self.assertEquals(self.session.Tables(), |
| 251 |
[self.arc_layer.ShapeStore().Table(), |
| 252 |
self.poly_layer.ShapeStore().Table()]) |
| 253 |
# If we remove the map from the session and clear our instance |
| 254 |
# variables that hold the layers and the map the list should |
| 255 |
# become empty again. |
| 256 |
self.session.RemoveMap(self.map) |
| 257 |
self.arc_layer = self.poly_layer = self.map = None |
| 258 |
self.assertEquals(self.session.Tables(), []) |
| 259 |
|
| 260 |
|
| 261 |
if __name__ == "__main__": |
| 262 |
unittest.main() |
Parent Directory
| 
Revision Log