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
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
|
from peewee import Cast
class BaseJsonFieldTestCase(object):
# Subclasses must define these, as well as specifying requires[].
M = None # Json model.
N = None # "Normal" model.
def test_json_field(self):
data = {'k1': ['a1', 'a2'], 'k2': {'k3': 'v3'}}
j = self.M.create(data=data)
j_db = self.M.get(j._pk_expr())
self.assertEqual(j_db.data, data)
def test_joining_on_json_key(self):
values = [
{'foo': 'bar', 'baze': {'nugget': 'alpha'}},
{'foo': 'bar', 'baze': {'nugget': 'beta'}},
{'herp': 'derp', 'baze': {'nugget': 'epsilon'}},
{'herp': 'derp', 'bar': {'nuggie': 'alpha'}},
]
for data in values:
self.M.create(data=data)
for value in ['alpha', 'beta', 'gamma', 'delta']:
self.N.create(data=value)
query = (self.M
.select()
.join(self.N, on=(
self.N.data == self.M.data['baze']['nugget']))
.order_by(self.M.id))
results = [jm.data for jm in query]
self.assertEqual(results, [
{'foo': 'bar', 'baze': {'nugget': 'alpha'}},
{'foo': 'bar', 'baze': {'nugget': 'beta'}},
])
def test_json_lookup_methods(self):
data = {
'gp1': {
'p1': {'c1': 'foo'},
'p2': {'c2': 'bar'}},
'gp2': {}}
j = self.M.create(data=data)
def assertLookup(lookup, expected):
query = (self.M
.select(lookup)
.where(j._pk_expr())
.dicts())
self.assertEqual(query.get(), expected)
expr = self.M.data['gp1']['p1']
assertLookup(expr.alias('p1'), {'p1': '{"c1": "foo"}'})
assertLookup(expr.as_json().alias('p2'), {'p2': {'c1': 'foo'}})
expr = self.M.data['gp1']['p1']['c1']
assertLookup(expr.alias('c1'), {'c1': 'foo'})
assertLookup(expr.as_json().alias('c2'), {'c2': 'foo'})
j.data = [
{'i1': ['foo', 'bar', 'baz']},
['nugget', 'mickey']]
j.save()
expr = self.M.data[0]['i1']
assertLookup(expr.alias('i1'), {'i1': '["foo", "bar", "baz"]'})
assertLookup(expr.as_json().alias('i2'), {'i2': ['foo', 'bar', 'baz']})
expr = self.M.data[1][1]
assertLookup(expr.alias('l1'), {'l1': 'mickey'})
assertLookup(expr.as_json().alias('l2'), {'l2': 'mickey'})
def test_json_cast(self):
self.M.create(data={'foo': {'bar': 3}})
self.M.create(data={'foo': {'bar': 5}})
query = (self.M
.select(Cast(self.M.data['foo']['bar'], 'float') * 1.5)
.order_by(self.M.id)
.tuples())
self.assertEqual(query[:], [(4.5,), (7.5,)])
def test_json_path(self):
data = {
'foo': {
'baz': {
'bar': ['i1', 'i2', 'i3'],
'baze': ['j1', 'j2'],
}}}
j = self.M.create(data=data)
def assertPath(path, expected):
query = (self.M
.select(path)
.where(j._pk_expr())
.dicts())
self.assertEqual(query.get(), expected)
expr = self.M.data.path('foo', 'baz', 'bar')
assertPath(expr.alias('p1'), {'p1': '["i1", "i2", "i3"]'})
assertPath(expr.as_json().alias('p2'), {'p2': ['i1', 'i2', 'i3']})
expr = self.M.data.path('foo', 'baz', 'baze', 1)
assertPath(expr.alias('p1'), {'p1': 'j2'})
assertPath(expr.as_json().alias('p2'), {'p2': 'j2'})
def test_json_field_sql(self):
j = (self.M
.select()
.where(self.M.data == {'foo': 'bar'}))
table = self.M._meta.table_name
self.assertSQL(j, (
'SELECT "t1"."id", "t1"."data" '
'FROM "%s" AS "t1" WHERE ("t1"."data" = CAST(? AS %s))')
% (table, self.M.data._json_datatype))
j = (self.M
.select()
.where(self.M.data['foo'] == 'bar'))
self.assertSQL(j, (
'SELECT "t1"."id", "t1"."data" '
'FROM "%s" AS "t1" WHERE ("t1"."data"->>? = ?)') % table)
def assertItems(self, where, *items):
query = (self.M
.select()
.where(where)
.order_by(self.M.id))
self.assertEqual(
[item.id for item in query],
[item.id for item in items])
def test_lookup(self):
t1 = self.M.create(data={'k1': 'v1', 'k2': {'k3': 'v3'}})
t2 = self.M.create(data={'k1': 'x1', 'k2': {'k3': 'x3'}})
t3 = self.M.create(data={'k1': 'v1', 'j2': {'j3': 'v3'}})
self.assertItems((self.M.data['k2']['k3'] == 'v3'), t1)
self.assertItems((self.M.data['k1'] == 'v1'), t1, t3)
# Valid key, no matching value.
self.assertItems((self.M.data['k2'] == 'v1'))
# Non-existent key.
self.assertItems((self.M.data['not-here'] == 'v1'))
# Non-existent nested key.
self.assertItems((self.M.data['not-here']['xxx'] == 'v1'))
self.assertItems((self.M.data['k2']['xxx'] == 'v1'))
def test_json_bulk_update_top_level_list(self):
m1 = self.M.create(data=['a', 'b', 'c'])
m2 = self.M.create(data=['d', 'e', 'f'])
m1.data = ['g', 'h', 'i']
m2.data = ['j', 'k', 'l']
self.M.bulk_update([m1, m2], fields=[self.M.data])
m1_db = self.M.get(self.M.id == m1.id)
m2_db = self.M.get(self.M.id == m2.id)
self.assertEqual(m1_db.data, ['g', 'h', 'i'])
self.assertEqual(m2_db.data, ['j', 'k', 'l'])
# Contains additional test-cases suitable for the JSONB data-type.
class BaseBinaryJsonFieldTestCase(BaseJsonFieldTestCase):
def _create_test_data(self):
data = [
{'k1': 'v1', 'k2': 'v2', 'k3': {'k4': ['i1', 'i2'], 'k5': {}}},
['a1', 'a2', {'a3': 'a4'}],
{'a1': 'x1', 'a2': 'x2', 'k4': ['i1', 'i2']},
list(range(10)),
list(range(5, 15)),
['k4', 'k1']]
self._bjson_objects = []
for json_value in data:
self._bjson_objects.append(self.M.create(data=json_value))
def assertObjects(self, expr, *indexes):
query = (self.M
.select()
.where(expr)
.order_by(self.M.id))
self.assertEqual(
[bjson.data for bjson in query],
[self._bjson_objects[index].data for index in indexes])
def test_contained_by(self):
self._create_test_data()
item1 = ['a1', 'a2', {'a3': 'a4'}, 'a5']
self.assertObjects(self.M.data.contained_by(item1), 1)
item2 = {'a1': 'x1', 'a2': 'x2', 'k4': ['i0', 'i1', 'i2'], 'x': 'y'}
self.assertObjects(self.M.data.contained_by(item2), 2)
def test_equality(self):
data = {'k1': ['a1', 'a2'], 'k2': {'k3': 'v3'}}
j = self.M.create(data=data)
j_db = self.M.get(self.M.data == data)
self.assertEqual(j.id, j_db.id)
def test_subscript_contains(self):
self._create_test_data()
D = self.M.data
# 'k3' is mapped to another dictioary {'k4': [...]}. Therefore,
# 'k3' is said to contain 'k4', but *not* ['k4'] or ['k4', 'k5'].
self.assertObjects(D['k3'].contains('k4'), 0)
self.assertObjects(D['k3'].contains(['k4']))
self.assertObjects(D['k3'].contains(['k4', 'k5']))
# We can check for the keys this way, though.
self.assertObjects(D['k3'].contains_all('k4', 'k5'), 0)
self.assertObjects(D['k3'].contains_any('k4', 'kx'), 0)
# However, in test object index=2, 'k4' can be said to contain
# both 'i1' and ['i1'].
self.assertObjects(D['k4'].contains('i1'), 2)
self.assertObjects(D['k4'].contains(['i1']), 2)
# Interestingly, we can also specify the list of contained values
# out-of-order.
self.assertObjects(D['k4'].contains(['i2', 'i1']), 2)
# We can test whether an object contains another JSON object fragment.
self.assertObjects(D['k3'].contains({'k4': ['i1']}), 0)
self.assertObjects(D['k3'].contains({'k4': ['i1', 'i2']}), 0)
# Check multiple levels of nesting / containment.
self.assertObjects(D['k3']['k4'].contains('i2'), 0)
self.assertObjects(D['k3']['k4'].contains_all('i1', 'i2'), 0)
self.assertObjects(D['k3']['k4'].contains_all('i0', 'i2'))
self.assertObjects(D['k4'].contains_all('i1', 'i2'), 2)
# Check array indexes.
self.assertObjects(D[2].contains('a3'), 1)
self.assertObjects(D[0].contains('a1'), 1)
self.assertObjects(D[0].contains('k1'))
def test_contains(self):
self._create_test_data()
D = self.M.data
# Test for keys. 'k4' is both an object key and an array element.
self.assertObjects(D.contains('k4'), 2, 5)
self.assertObjects(D.contains('a1'), 1, 2)
self.assertObjects(D.contains('k3'), 0)
# We can test for multiple top-level keys/indexes.
self.assertObjects(D.contains_all('a1', 'a2'), 1, 2)
# If we test for both with .contains(), though, it is treated as
# an object match.
self.assertObjects(D.contains(['a1', 'a2']), 1)
# Check numbers.
self.assertObjects(D.contains([2, 5, 6, 7, 8]), 3)
self.assertObjects(D.contains([5, 6, 7, 8, 9]), 3, 4)
# We can check for partial objects.
self.assertObjects(D.contains({'a1': 'x1'}), 2)
self.assertObjects(D.contains({'k3': {'k4': []}}), 0)
self.assertObjects(D.contains([{'a3': 'a4'}]), 1)
# Check for simple keys.
self.assertObjects(D.contains('a1'), 1, 2)
self.assertObjects(D.contains('k3'), 0)
# Contains any.
self.assertObjects(D.contains_any('a1', 'k1'), 0, 1, 2, 5)
self.assertObjects(D.contains_any('k4', 'xx', 'yy', '2'), 2, 5)
self.assertObjects(D.contains_any('i1', 'i2', 'a3'))
# Contains all.
self.assertObjects(D.contains_all('k1', 'k2', 'k3'), 0)
self.assertObjects(D.contains_all('k1', 'k2', 'k3', 'k4'))
# Has key.
self.assertObjects(D.has_key('a1'), 1, 2)
self.assertObjects(D.has_key('k1'), 0, 5)
self.assertObjects(D.has_key('k4'), 2, 5)
self.assertObjects(D.has_key('a3'))
self.assertObjects(D['k3'].has_key('k4'), 0)
self.assertObjects(D['k4'].has_key('i2'), 2)
def test_concat_data(self):
self.M.delete().execute()
self.M.create(data={'k1': {'x1': 'y1'}, 'k2': 'v2', 'k3': [0, 1]})
def assertData(exp, expected_data):
query = self.M.select(self.M.data.concat(exp)).tuples()
data = query[:][0][0]
self.assertEqual(data, expected_data)
D = self.M.data
assertData({'k2': 'v2-x', 'k1': {'x2': 'y2'}, 'k4': 'v4'}, {
'k1': {'x2': 'y2'}, # NB: not merged/patched!!
'k2': 'v2-x',
'k3': [0, 1],
'k4': 'v4'})
assertData({'k1': 'v1-x', 'k3': [2, 3, 4], 'k4': {'x4': 'y4'}}, {
'k1': 'v1-x',
'k2': 'v2',
'k3': [2, 3, 4],
'k4': {'x4': 'y4'}})
# We can update sub-keys.
query = self.M.select(D['k1'].concat({'x2': 'y2', 'x3': 'y3'}))
self.assertEqual(query.tuples()[0][0],
{'x1': 'y1', 'x2': 'y2', 'x3': 'y3'})
# Concat can be used to extend JSON arrays.
query = self.M.select(D['k3'].concat([2, 3]))
self.assertEqual(query.tuples()[0][0], [0, 1, 2, 3])
def test_update_data_inplace(self):
self.M.delete().execute()
b = self.M.create(data={'k1': {'x1': 'y1'}, 'k2': 'v2'})
self.M.update(data=self.M.data.concat({
'k1': {'x2': 'y2'},
'k3': 'v3'})).execute()
b2 = self.M.get(self.M.id == b.id)
self.assertEqual(b2.data, {'k1': {'x2': 'y2'}, 'k2': 'v2', 'k3': 'v3'})
def test_selecting(self):
self._create_test_data()
query = (self.M
.select(self.M.data['k3']['k4'].as_json().alias('k3k4'))
.order_by(self.M.id))
k3k4_data = [obj.k3k4 for obj in query]
self.assertEqual(k3k4_data, [
['i1', 'i2'],
None,
None,
None,
None,
None])
query = (self.M
.select(
self.M.data[0].as_json(),
self.M.data[2].as_json())
.order_by(self.M.id)
.tuples())
self.assertEqual(list(query), [
(None, None),
('a1', {'a3': 'a4'}),
(None, None),
(0, 2),
(5, 7),
('k4', None)])
def test_conflict_update(self):
b1 = self.M.create(data={'k1': 'v1'})
iq = (self.M
.insert(id=b1.id, data={'k1': 'v1-x'})
.on_conflict('update', conflict_target=[self.M.id],
update={self.M.data: {'k1': 'v1-z'}}))
b1_id_db = iq.execute()
self.assertEqual(b1.id, b1_id_db)
b1_db = self.M.get(self.M.id == b1.id)
self.assertEqual(self.M.data, {'k1': 'v1-z'})
iq = (self.M
.insert(id=b1.id, data={'k1': 'v1-y'})
.on_conflict('update', conflict_target=[self.M.id],
update={'data': {'k1': 'v1-w'}}))
b1_id_db = iq.execute()
self.assertEqual(b1.id, b1_id_db)
b1_db = self.M.get(self.M.id == b1.id)
self.assertEqual(self.M.data, {'k1': 'v1-w'})
self.assertEqual(self.M.select().count(), 1)
|
