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
|
// Licensed under the MIT license, see LICENSE file for details.
package quicktest_test
import (
"errors"
"fmt"
qt "github.com/frankban/quicktest"
)
func init() {
checkerTests = append(checkerTests, errorCheckerTests...)
}
type errTarget struct {
msg string
}
func (e *errTarget) Error() string {
return "ptr: " + e.msg
}
type errTargetNonPtr struct {
msg string
}
func (e errTargetNonPtr) Error() string {
return "non ptr: " + e.msg
}
var targetErr = &errTarget{msg: "target"}
var errorCheckerTests = []struct {
about string
checker qt.Checker
got interface{}
args []interface{}
verbose bool
expectedCheckFailure string
expectedNegateFailure string
}{{
about: "ErrorAs: exact match",
checker: qt.ErrorAs,
got: targetErr,
args: []interface{}{new(*errTarget)},
expectedNegateFailure: `
error:
unexpected success
got:
e"ptr: target"
as:
&&quicktest_test.errTarget{msg:"target"}
`,
}, {
about: "ErrorAs: wrapped match",
checker: qt.ErrorAs,
got: fmt.Errorf("wrapped: %w", targetErr),
args: []interface{}{new(*errTarget)},
expectedNegateFailure: `
error:
unexpected success
got:
e"wrapped: ptr: target"
as:
&&quicktest_test.errTarget{msg:"target"}
`,
}, {
about: "ErrorAs: fails if nil error",
checker: qt.ErrorAs,
got: nil,
args: []interface{}{new(*errTarget)},
expectedCheckFailure: `
error:
got nil error but want non-nil
got:
nil
as:
&(*quicktest_test.errTarget)(nil)
`,
}, {
about: "ErrorAs: fails if mismatch",
checker: qt.ErrorAs,
got: errors.New("other error"),
args: []interface{}{new(*errTarget)},
expectedCheckFailure: `
error:
wanted type is not found in error chain
got:
e"other error"
as:
**quicktest_test.errTarget
`,
}, {
about: "ErrorAs: fails if mismatch with a non-pointer error implementation",
checker: qt.ErrorAs,
got: errors.New("other error"),
args: []interface{}{new(errTargetNonPtr)},
expectedCheckFailure: `
error:
wanted type is not found in error chain
got:
e"other error"
as:
*quicktest_test.errTargetNonPtr
`,
}, {
about: "ErrorAs: bad check if invalid error",
checker: qt.ErrorAs,
got: "not an error",
args: []interface{}{new(*errTarget)},
expectedCheckFailure: `
error:
bad check: first argument is not an error
got:
"not an error"
`,
expectedNegateFailure: `
error:
bad check: first argument is not an error
got:
"not an error"
`,
}, {
about: "ErrorAs: bad check if invalid as",
checker: qt.ErrorAs,
got: targetErr,
args: []interface{}{&struct{}{}},
expectedCheckFailure: `
error:
bad check: errors: *target must be interface or implement error
`,
expectedNegateFailure: `
error:
bad check: errors: *target must be interface or implement error
`,
}, {
about: "ErrorIs: nil to nil match",
checker: qt.ErrorIs,
got: nil,
args: []interface{}{nil},
expectedNegateFailure: `
error:
unexpected success
got:
nil
want:
<same as "got">
`,
}, {
about: "ErrorIs: non-nil to nil mismatch",
checker: qt.ErrorIs,
got: targetErr,
args: []interface{}{nil},
expectedCheckFailure: `
error:
wanted error is not found in error chain
got:
e"ptr: target"
want:
nil
`,
}, {
about: "ErrorIs: exact match",
checker: qt.ErrorIs,
got: targetErr,
args: []interface{}{targetErr},
expectedNegateFailure: `
error:
unexpected success
got:
e"ptr: target"
want:
<same as "got">
`,
}, {
about: "ErrorIs: wrapped match",
checker: qt.ErrorIs,
got: fmt.Errorf("wrapped: %w", targetErr),
args: []interface{}{targetErr},
expectedNegateFailure: `
error:
unexpected success
got:
e"wrapped: ptr: target"
want:
e"ptr: target"
`,
}, {
about: "ErrorIs: fails if nil error",
checker: qt.ErrorIs,
got: nil,
args: []interface{}{targetErr},
expectedCheckFailure: `
error:
got nil error but want non-nil
got:
nil
want:
e"ptr: target"
`,
}, {
about: "ErrorIs: fails if mismatch",
checker: qt.ErrorIs,
got: errors.New("other error"),
args: []interface{}{targetErr},
expectedCheckFailure: `
error:
wanted error is not found in error chain
got:
e"other error"
want:
e"ptr: target"
`,
}, {
about: "ErrorIs: bad check if invalid error",
checker: qt.ErrorIs,
got: "not an error",
args: []interface{}{targetErr},
expectedCheckFailure: `
error:
bad check: first argument is not an error
got:
"not an error"
`,
expectedNegateFailure: `
error:
bad check: first argument is not an error
got:
"not an error"
`,
}, {
about: "ErrorIs: bad check if invalid error value",
checker: qt.ErrorIs,
got: targetErr,
args: []interface{}{"not an error"},
expectedCheckFailure: `
error:
bad check: second argument is not an error
want:
"not an error"
`,
expectedNegateFailure: `
error:
bad check: second argument is not an error
want:
"not an error"
`,
}}
|
