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
|
from alembic.testing.env import clear_staging_env, staging_env
from alembic.testing import assert_raises_message, eq_
from alembic import util
from alembic.testing.fixtures import TestBase
env = None
a, b, c, d, e = None, None, None, None, None
cfg = None
class RevisionPathTest(TestBase):
@classmethod
def setup_class(cls):
global env
env = staging_env()
global a, b, c, d, e
a = env.generate_revision(util.rev_id(), '->a', refresh=True)
b = env.generate_revision(util.rev_id(), 'a->b', refresh=True)
c = env.generate_revision(util.rev_id(), 'b->c', refresh=True)
d = env.generate_revision(util.rev_id(), 'c->d', refresh=True)
e = env.generate_revision(util.rev_id(), 'd->e', refresh=True)
@classmethod
def teardown_class(cls):
clear_staging_env()
def test_upgrade_path(self):
eq_(
env._upgrade_revs(e.revision, c.revision),
[
(d.module.upgrade, c.revision, d.revision, d.doc),
(e.module.upgrade, d.revision, e.revision, e.doc),
]
)
eq_(
env._upgrade_revs(c.revision, None),
[
(a.module.upgrade, None, a.revision, a.doc),
(b.module.upgrade, a.revision, b.revision, b.doc),
(c.module.upgrade, b.revision, c.revision, c.doc),
]
)
def test_relative_upgrade_path(self):
eq_(
env._upgrade_revs("+2", a.revision),
[
(b.module.upgrade, a.revision, b.revision, b.doc),
(c.module.upgrade, b.revision, c.revision, c.doc),
]
)
eq_(
env._upgrade_revs("+1", a.revision),
[
(b.module.upgrade, a.revision, b.revision, b.doc),
]
)
eq_(
env._upgrade_revs("+3", b.revision),
[
(c.module.upgrade, b.revision, c.revision, c.doc),
(d.module.upgrade, c.revision, d.revision, d.doc),
(e.module.upgrade, d.revision, e.revision, e.doc),
]
)
def test_invalid_relative_upgrade_path(self):
assert_raises_message(
util.CommandError,
"Relative revision -2 didn't produce 2 migrations",
env._upgrade_revs, "-2", b.revision
)
assert_raises_message(
util.CommandError,
r"Relative revision \+5 didn't produce 5 migrations",
env._upgrade_revs, "+5", b.revision
)
def test_downgrade_path(self):
eq_(
env._downgrade_revs(c.revision, e.revision),
[
(e.module.downgrade, e.revision, e.down_revision, e.doc),
(d.module.downgrade, d.revision, d.down_revision, d.doc),
]
)
eq_(
env._downgrade_revs(None, c.revision),
[
(c.module.downgrade, c.revision, c.down_revision, c.doc),
(b.module.downgrade, b.revision, b.down_revision, b.doc),
(a.module.downgrade, a.revision, a.down_revision, a.doc),
]
)
def test_relative_downgrade_path(self):
eq_(
env._downgrade_revs("-1", c.revision),
[
(c.module.downgrade, c.revision, c.down_revision, c.doc),
]
)
eq_(
env._downgrade_revs("-3", e.revision),
[
(e.module.downgrade, e.revision, e.down_revision, e.doc),
(d.module.downgrade, d.revision, d.down_revision, d.doc),
(c.module.downgrade, c.revision, c.down_revision, c.doc),
]
)
def test_invalid_relative_downgrade_path(self):
assert_raises_message(
util.CommandError,
"Relative revision -5 didn't produce 5 migrations",
env._downgrade_revs, "-5", b.revision
)
assert_raises_message(
util.CommandError,
r"Relative revision \+2 didn't produce 2 migrations",
env._downgrade_revs, "+2", b.revision
)
def test_invalid_move_rev_to_none(self):
assert_raises_message(
util.CommandError,
"Revision %s is not an ancestor of base" % b.revision,
env._downgrade_revs, b.revision[0:3], None
)
def test_invalid_move_higher_to_lower(self):
assert_raises_message(
util.CommandError,
"Revision %s is not an ancestor of %s" % (c.revision, b.revision),
env._downgrade_revs, c.revision[0:4], b.revision
)
|
