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
|
from ivle.webapp.urls import (InsufficientPathSegments, NoPath, NotFound,
RouteConflict, Router, ROOT)
class Root(object):
def __init__(self):
self.subjects = {}
def add_subject(self, subject):
self.subjects[subject.name] = subject
class Subject(object):
def __init__(self, name, code):
self.name = name
self.code = code
self.offerings = {}
def add_offering(self, offering):
assert self.name == offering.subject.name
self.offerings[(offering.year, offering.semester)] = offering
class Offering(object):
def __init__(self, subject, year, semester):
self.subject = subject
self.year = year
self.semester = semester
class View(object):
def __init__(self, context):
self.context = context
class RootIndex(View):
pass
class SubjectIndex(View):
pass
class SubjectEdit(View):
pass
class OfferingIndex(View):
pass
class OfferingEdit(View):
pass
def root_to_subject(root, name):
try:
return root.subjects[name]
except KeyError:
raise NotFound(root, name)
def subject_to_offering(subject, year, semester):
try:
return subject.offerings[(int(year), int(semester))]
except (KeyError, ValueError):
raise NotFound(subject, (year, semester))
def subject_url(subject):
return (ROOT, subject.name)
def offering_url(offering):
return (offering.subject, (str(offering.year), str(offering.semester)))
def subject_to_edit_view(subject):
return SubjectEdit(subject)
def subject_to_index_view(subject):
return SubjectIndex(subject)
def offering_to_index_view(offering):
return OfferingIndex(offering)
def subject_edit_url(view):
return (view.context, '+edit')
def subject_index_url(view):
return (view.context, '+index')
def offering_index_url(view):
return (view.context, '+index')
class BaseTest(object):
def setUp(self):
r = Root()
self.r = r
# Give us some subjects...
r.add_subject(Subject('info1', '600151'))
r.add_subject(Subject('info2', '600152'))
r.add_subject(Subject('info3', '600251'))
# ... and some offerings.
r.subjects['info1'].add_offering(Offering(self.r.subjects['info1'],
2008, 1))
r.subjects['info1'].add_offering(Offering(self.r.subjects['info1'],
2008, 2))
r.subjects['info1'].add_offering(Offering(self.r.subjects['info1'],
2009, 1))
r.subjects['info2'].add_offering(Offering(self.r.subjects['info2'],
2008, 2))
r.subjects['info2'].add_offering(Offering(self.r.subjects['info2'],
2009, 1))
r.subjects['info3'].add_offering(Offering(self.r.subjects['info3'],
2009, 1))
class TestResolution(BaseTest):
def testOneLevel(self):
router = Router(root=self.r)
router.add_forward(Root, None, root_to_subject, 1)
assert router.resolve('/info1') is self.r.subjects['info1']
assert router.resolve('/info3') is self.r.subjects['info3']
def testTwoLevels(self):
router = Router(root=self.r)
router.add_forward(Root, None, root_to_subject, 1)
router.add_forward(Subject, None, subject_to_offering, 2)
assert router.resolve('/info1/2009/1') is \
self.r.subjects['info1'].offerings[(2009, 1)]
assert router.resolve('/info2/2008/2') is \
self.r.subjects['info2'].offerings[(2008, 2)]
def testDefaultRoute(self):
router = Router(root=self.r)
router.add_forward(Root, None, root_to_subject, 1)
router.add_forward(Subject, None, subject_to_offering, 2)
router.add_forward(Subject, '+index', subject_to_index_view, 0)
router.add_forward(Subject, '+edit', subject_to_edit_view, 0)
router.add_forward(Offering, '+index', offering_to_index_view, 0)
assert type(router.resolve('/info1')) is \
SubjectIndex
assert router.resolve('/info1').context is \
self.r.subjects['info1']
assert type(router.resolve('/info1/+edit')) is \
SubjectEdit
assert router.resolve('/info1/+edit').context is \
self.r.subjects['info1']
assert type(router.resolve('/info1/2009/1')) is \
OfferingIndex
assert router.resolve('/info1/2009/1').context is \
self.r.subjects['info1'].offerings[(2009, 1)]
class TestGeneration(BaseTest):
def testOneLevel(self):
router = Router(root=self.r)
router.add_reverse(Subject, subject_url)
assert router.generate(self.r.subjects['info1']) == '/info1'
def testTwoLevel(self):
router = Router(root=self.r)
router.add_reverse(Subject, subject_url)
router.add_reverse(Offering, offering_url)
assert router.generate(self.r.subjects['info1'].offerings[(2009, 1)]) \
== '/info1/2009/1'
assert router.generate(self.r.subjects['info2'].offerings[(2008, 2)]) \
== '/info2/2008/2'
def testDefaultRoute(self):
router = Router(root=self.r)
router.add_reverse(Subject, subject_url)
router.add_reverse(Offering, offering_url)
router.add_reverse(SubjectIndex, subject_index_url)
router.add_reverse(SubjectEdit, subject_edit_url)
router.add_reverse(OfferingIndex, offering_index_url)
assert router.generate(SubjectIndex(self.r.subjects['info1'])) \
== '/info1'
assert router.generate(SubjectEdit(self.r.subjects['info1'])) \
== '/info1/+edit'
assert router.generate(OfferingIndex(
self.r.subjects['info1'].offerings[(2009, 1)])) \
== '/info1/2009/1'
class TestErrors(BaseTest):
def testForwardConflict(self):
router = Router(root=self.r)
router.add_forward(Subject, 'foo', object(), 1)
try:
router.add_forward(Subject, 'foo', object(), 2)
except RouteConflict:
pass
else:
raise AssertionError("did not raise RouteConflict")
def testReverseConflict(self):
router = Router(root=self.r)
router.add_reverse(Subject, object())
try:
router.add_reverse(Subject, object())
except RouteConflict:
pass
else:
raise AssertionError("did not raise RouteConflict")
def testNoPath(self):
try:
Router(root=self.r).generate(object())
except NoPath:
pass
else:
raise AssertionError("did not raise NoPath")
def testNotFound(self):
router = Router(root=self.r)
router.add_forward(Root, 'foo', object(), 0)
try:
router.resolve('/bar')
except NotFound:
pass
else:
raise AssertionError("did not raise NotFound")
def testInsufficientPathSegments(self):
router = Router(root=self.r)
router.add_forward(Root, 'foo', object(), 2)
try:
router.resolve('/foo/bar')
except InsufficientPathSegments:
pass
else:
raise AssertionError("did not raise InsufficientPathSegments")
|