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
|
import re
import pytest
from tinydb import where
def test_next_id(db):
db.truncate()
assert db._get_next_id() == 1
assert db._get_next_id() == 2
assert db._get_next_id() == 3
def test_tables_list(db):
db.table('table1').insert({'a': 1})
db.table('table2').insert({'a': 1})
assert db.tables() == {'_default', 'table1', 'table2'}
def test_one_table(db):
table1 = db.table('table1')
table1.insert_multiple({'int': 1, 'char': c} for c in 'abc')
assert table1.get(where('int') == 1)['char'] == 'a'
assert table1.get(where('char') == 'b')['char'] == 'b'
def test_multiple_tables(db):
table1 = db.table('table1')
table2 = db.table('table2')
table3 = db.table('table3')
table1.insert({'int': 1, 'char': 'a'})
table2.insert({'int': 1, 'char': 'b'})
table3.insert({'int': 1, 'char': 'c'})
assert table1.count(where('char') == 'a') == 1
assert table2.count(where('char') == 'b') == 1
assert table3.count(where('char') == 'c') == 1
db.drop_tables()
assert len(table1) == 0
assert len(table2) == 0
assert len(table3) == 0
def test_caching(db):
table1 = db.table('table1')
table2 = db.table('table1')
assert table1 is table2
def test_query_cache(db):
query1 = where('int') == 1
assert db.count(query1) == 3
assert query1 in db._query_cache
assert db.count(query1) == 3
assert query1 in db._query_cache
query2 = where('int') == 0
assert db.count(query2) == 0
assert query2 in db._query_cache
assert db.count(query2) == 0
assert query2 in db._query_cache
def test_query_cache_with_mutable_callable(db):
table = db.table('table')
table.insert({'val': 5})
mutable = 5
increase = lambda x: x + mutable
assert where('val').is_cacheable()
assert not where('val').map(increase).is_cacheable()
assert not (where('val').map(increase) == 10).is_cacheable()
search = where('val').map(increase) == 10
assert table.count(search) == 1
# now `increase` would yield 15, not 10
mutable = 10
assert table.count(search) == 0
assert len(table._query_cache) == 0
def test_zero_cache_size(db):
table = db.table('table3', cache_size=0)
query = where('int') == 1
table.insert({'int': 1})
table.insert({'int': 1})
assert table.count(query) == 2
assert table.count(where('int') == 2) == 0
assert len(table._query_cache) == 0
def test_query_cache_size(db):
table = db.table('table3', cache_size=1)
query = where('int') == 1
table.insert({'int': 1})
table.insert({'int': 1})
assert table.count(query) == 2
assert table.count(where('int') == 2) == 0
assert len(table._query_cache) == 1
def test_lru_cache(db):
# Test integration into TinyDB
table = db.table('table3', cache_size=2)
query = where('int') == 1
table.search(query)
table.search(where('int') == 2)
table.search(where('int') == 3)
assert query not in table._query_cache
table.remove(where('int') == 1)
assert not table._query_cache.lru
table.search(query)
assert len(table._query_cache) == 1
table.clear_cache()
assert len(table._query_cache) == 0
def test_table_is_iterable(db):
table = db.table('table1')
table.insert_multiple({'int': i} for i in range(3))
assert [r for r in table] == table.all()
def test_table_name(db):
name = 'table3'
table = db.table(name)
assert name == table.name
with pytest.raises(AttributeError):
table.name = 'foo'
def test_table_repr(db):
name = 'table4'
table = db.table(name)
assert re.match(
r"<Table name=\'table4\', total=0, "
r"storage=<tinydb\.storages\.(MemoryStorage|JSONStorage) object at [a-zA-Z0-9]+>>",
repr(table))
def test_truncate_table(db):
db.truncate()
assert db._get_next_id() == 1
def test_persist_table(db):
db.table("persisted", persist_empty=True)
assert "persisted" in db.tables()
db.table("nonpersisted", persist_empty=False)
assert "nonpersisted" not in db.tables()
|
