forked from btubbs/pomegranate
-
Notifications
You must be signed in to change notification settings - Fork 0
/
util_test.go
245 lines (237 loc) · 5.45 KB
/
util_test.go
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
package pomegranate
import (
"errors"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func TestConfirm(t *testing.T) {
tt := []struct {
input string
err error
}{
{
input: "y\n",
err: nil,
},
{
input: "n\n",
err: errors.New("cancelled"),
},
{
input: "banana\n",
err: errors.New("Invalid option: banana"),
},
{
input: "y", // no newline!
err: errors.New("EOF"),
},
}
for _, tc := range tt {
err := getConfirm(goodMigrations, "", strings.NewReader(tc.input))
assert.Equal(t, tc.err, err)
}
}
func TestNameInState(t *testing.T) {
tt := []struct {
name string
state []MigrationRecord
result bool
}{
{
name: "foo",
state: []MigrationRecord{MigrationRecord{Name: "foo"}},
result: true,
},
{
name: "foo",
state: []MigrationRecord{},
result: false,
},
}
for _, tc := range tt {
assert.Equal(t, tc.result, nameInState(tc.name, tc.state))
}
}
func TestNameInMigrations(t *testing.T) {
tt := []struct {
name string
migrations []Migration
result bool
}{
{
name: "foo",
migrations: []Migration{Migration{Name: "foo"}},
result: true,
},
{
name: "foo",
migrations: []Migration{},
result: false,
},
}
for _, tc := range tt {
assert.Equal(t, tc.result, nameInMigrationList(tc.name, tc.migrations))
}
}
func TestTrimMigrationsTail(t *testing.T) {
tt := []struct {
name string
in []Migration
out []Migration
err error
}{
{
name: "foo",
in: []Migration{
Migration{Name: "foo"},
Migration{Name: "bar"},
},
out: []Migration{
Migration{Name: "foo"},
},
err: nil,
},
{
name: "banana",
in: []Migration{
Migration{Name: "foo"},
Migration{Name: "bar"},
},
out: nil,
err: errors.New("migration banana not found"),
},
}
for _, tc := range tt {
res, err := trimMigrationsTail(tc.name, tc.in)
assert.Equal(t, tc.err, err)
assert.Equal(t, tc.out, res)
}
}
func TestGetForwardMigrations(t *testing.T) {
tt := []struct {
desc string
statenames []string
staticnames []string
toRun []string
err error
}{
{
desc: "run them all",
statenames: []string{},
staticnames: []string{"a", "b", "c", "d"},
toRun: []string{"a", "b", "c", "d"},
err: nil,
},
{
desc: "run a couple",
statenames: []string{"a", "b"},
staticnames: []string{"a", "b", "c", "d"},
toRun: []string{"c", "d"},
err: nil,
},
{
desc: "nothing to run",
statenames: []string{"a", "b", "c", "d"},
staticnames: []string{"a", "b", "c", "d"},
toRun: []string{},
err: nil,
},
{
desc: "too much state",
statenames: []string{"a", "b", "c"},
staticnames: []string{"a", "b"},
toRun: nil,
err: errors.New("migration state (3 entries) longer than static list (2 entries)"),
},
{
desc: "mismatched state",
statenames: []string{"a", "b", "c", "d"},
staticnames: []string{"a", "b", "banana", "d"},
toRun: nil,
err: errors.New(
"migration 3 from state (c) does not match name from static list (banana)"),
},
}
for _, tc := range tt {
state := namesToState(tc.statenames)
migs := namesToMigs(tc.staticnames)
toRun, err := getForwardMigrations(state, migs)
assert.Equal(t, tc.err, err)
assert.Equal(t, tc.toRun, migsToNames(toRun))
}
}
func TestGetMigrationsToReverse(t *testing.T) {
tt := []struct {
desc string
name string
statenames []string
staticnames []string
out []string
err error
}{
{
desc: "reverse all",
name: "a",
statenames: []string{"a", "b", "c"},
staticnames: []string{"a", "b", "c"},
out: []string{"c", "b", "a"},
err: nil,
},
{
desc: "reverse most",
name: "a",
statenames: []string{"a", "b", "c"},
staticnames: []string{"a", "b", "c", "d"},
out: []string{"c", "b", "a"},
err: nil,
},
{
desc: "reverse a couple",
name: "b",
statenames: []string{"a", "b", "c"},
staticnames: []string{"a", "b", "c", "d"},
out: []string{"c", "b"},
err: nil,
},
{
desc: "nothing to reverse",
name: "d",
statenames: []string{"a", "b", "c"},
staticnames: []string{"a", "b", "c", "d"},
out: nil,
err: errors.New("migration d not in state"),
},
{
desc: "trimtail fail",
name: "d",
statenames: []string{"a", "b", "c", "d"},
staticnames: []string{"a", "b", "c"},
out: nil,
err: errors.New("migration d not found"),
},
{
desc: "weird prestate",
name: "a",
statenames: []string{"banana", "a", "b", "c"},
staticnames: []string{"a", "b", "c"},
out: nil,
err: errors.New("state in DB has 4 migrations, but we have source for 3 migrations up to and including c"),
},
{
desc: "mismatched state/static",
name: "d",
statenames: []string{"a", "b", "c"},
staticnames: []string{"a", "banana", "c"},
out: nil,
err: errors.New("migration 2 from state (b) does not match name from static list (banana)"),
},
}
for _, tc := range tt {
state := namesToState(tc.statenames)
migs := namesToMigs(tc.staticnames)
out, err := getMigrationsToReverse(tc.name, state, migs)
assert.Equal(t, migsToNames(out), tc.out)
assert.Equal(t, err, tc.err)
}
}