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
|
package goblin
import (
"fmt"
"strconv"
"testing"
)
// So we can test asserting type against its type alias
type String string
// Helper for testing Assertion conditions
type AssertionVerifier struct {
ShouldPass bool
didFail bool
msg interface{}
}
func (a *AssertionVerifier) FailFunc(msg interface{}) {
a.didFail = true
a.msg = msg
}
func (a *AssertionVerifier) Verify(t *testing.T) {
if a.didFail == a.ShouldPass {
t.FailNow()
}
}
func (a *AssertionVerifier) VerifyMessage(t *testing.T, message string) {
a.Verify(t)
if a.msg.(string) != message {
t.Fatalf(`"%s" != "%s"`, a.msg, message)
}
}
// Verify that a slice of messages is formatted as expected.
func verifyFormat(t *testing.T, expected string, messages ...interface{}) {
// Prepend the expected comma if there is at least one message.
if len(messages) != 0 {
expected = ", " + expected
}
message := formatMessages(messages...)
if message != expected {
t.Fatalf(`Message format: "%s" != "%s"`, message, expected)
}
}
// Test that messages for assertions are formatted as expected.
func TestFormatMessages(t *testing.T) {
message := "foo bar"
// No message.
verifyFormat(t, "")
// Single message.
verifyFormat(t, "[]", "")
verifyFormat(t, "[ ]", " ")
verifyFormat(t, "<nil>", nil)
verifyFormat(t, message, message)
verifyFormat(t, message, fmt.Errorf("%s", message))
num := 12345
verifyFormat(t, strconv.Itoa(num), num)
// Multiple messages.
verifyFormat(t, "[] [ ]", "", " ")
verifyFormat(t, message+" "+message, message, message)
}
func TestEqual(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: true}
a := Assertion{src: 1, fail: verifier.FailFunc}
a.Equal(1)
verifier.Verify(t)
a.Eql(1)
verifier.Verify(t)
a = Assertion{src: "foo"}
a.Equal("foo")
verifier.Verify(t)
a.Eql("foo")
verifier.Verify(t)
a = Assertion{src: map[string]string{"foo": "bar"}}
a.Equal(map[string]string{"foo": "bar"})
verifier.Verify(t)
a.Eql(map[string]string{"foo": "bar"})
verifier.Verify(t)
verifier = AssertionVerifier{ShouldPass: false}
a = Assertion{src: String("baz"), fail: verifier.FailFunc}
a.Equal("baz")
verifier.Verify(t)
a.Eql("baz")
verifier.Verify(t)
}
// Test Equal() outputs the correct message upon failure.
func TestEqualWithMessage(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: false}
a := Assertion{src: 1, fail: verifier.FailFunc}
msg := "foo is not bar"
a.Equal(0, msg)
verifier.VerifyMessage(t, "1 does not equal 0, "+msg)
}
func TestIsTrue(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: true}
a := Assertion{src: true, fail: verifier.FailFunc}
a.IsTrue()
verifier.Verify(t)
verifier = AssertionVerifier{ShouldPass: false}
a = Assertion{src: false, fail: verifier.FailFunc}
a.IsTrue()
verifier.Verify(t)
}
func TestIsFalse(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: true}
a := Assertion{src: false, fail: verifier.FailFunc}
a.IsFalse()
verifier.Verify(t)
verifier = AssertionVerifier{ShouldPass: false}
a = Assertion{src: true, fail: verifier.FailFunc}
a.IsFalse()
verifier.Verify(t)
}
func TestIsFalseWithMessage(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: false}
a := Assertion{src: true, fail: verifier.FailFunc}
a.IsFalse("false is not true")
verifier.Verify(t)
verifier.VerifyMessage(t, "true expected true to be falsey, false is not true")
}
func TestIsTrueWithMessage(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: false}
a := Assertion{src: false, fail: verifier.FailFunc}
a.IsTrue("true is not false")
verifier.Verify(t)
verifier.VerifyMessage(t, "false expected false to be truthy, true is not false")
}
func TestIsNil(t *testing.T) {
check := func(isNil interface{}, isNotNil interface{}) {
verifier := AssertionVerifier{ShouldPass: true}
a := Assertion{src: isNil, fail: verifier.FailFunc}
a.IsNil()
verifier.Verify(t)
verifier = AssertionVerifier{ShouldPass: false}
a = Assertion{src: isNotNil, fail: verifier.FailFunc}
a.IsNil()
verifier.Verify(t)
}
check(nil, struct {}{})
var s []struct{}
check(s, make([]struct{}, 0))
var c chan struct{}
check(c, make(chan struct{}, 0))
var m map[struct{}]struct{}
check(m, make(map[struct{}]struct{}, 0))
var p *struct{}
check(p, &s)
var ni interface{} = nil
var i interface{} = struct {}{}
check(ni, i)
var f func()
check(f, check)
}
func TestIsNilWithMessage(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: false}
a := Assertion{src: struct{}{}, fail: verifier.FailFunc}
a.IsNil("value is not nil")
verifier.Verify(t)
verifier.VerifyMessage(t, "{} expected to be nil, value is not nil")
}
func TestIsNotNil(t *testing.T) {
check := func(isNil interface{}, isNotNil interface{}) {
verifier := AssertionVerifier{ShouldPass: false}
a := Assertion{src: isNil, fail: verifier.FailFunc}
a.IsNotNil()
verifier.Verify(t)
verifier = AssertionVerifier{ShouldPass: true}
a = Assertion{src: isNotNil, fail: verifier.FailFunc}
a.IsNotNil()
verifier.Verify(t)
}
check(nil, struct {}{})
var s []struct{}
check(s, make([]struct{}, 0))
var c chan struct{}
check(c, make(chan struct{}, 0))
var m map[struct{}]struct{}
check(m, make(map[struct{}]struct{}, 0))
var p *struct{}
check(p, &s)
var ni interface{} = nil
var i interface{} = struct {}{}
check(ni, i)
var f func()
check(f, check)
}
func TestIsNotNilWithMessage(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: false}
a := Assertion{src: nil, fail: verifier.FailFunc}
a.IsNotNil("value should not be nil")
verifier.Verify(t)
verifier.VerifyMessage(t, "<nil> is nil, value should not be nil")
}
func TestIsZeroForStructs(t *testing.T) {
source := struct{ Name string }{}
verifier := AssertionVerifier{ShouldPass: true}
a := Assertion{src: source, fail: verifier.FailFunc}
a.IsZero()
verifier.Verify(t)
source = struct{ Name string }{Name: "Person"}
verifier = AssertionVerifier{ShouldPass: false}
a = Assertion{src: source, fail: verifier.FailFunc}
a.IsZero()
verifier.Verify(t)
}
func TestIsZeroForInt(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: true}
a := Assertion{src: 0, fail: verifier.FailFunc}
a.IsZero()
verifier.Verify(t)
verifier = AssertionVerifier{ShouldPass: false}
a = Assertion{src: 1, fail: verifier.FailFunc}
a.IsZero()
verifier.Verify(t)
}
func TestIsZeroForFloat(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: true}
a := Assertion{src: 0.0, fail: verifier.FailFunc}
a.IsZero()
verifier.Verify(t)
verifier = AssertionVerifier{ShouldPass: false}
a = Assertion{src: 5.1, fail: verifier.FailFunc}
a.IsZero()
verifier.Verify(t)
}
func TestIsZeroWithMessage(t *testing.T) {
source := struct {
Name string
}{
Name: "Person",
}
verifier := AssertionVerifier{ShouldPass: false}
a := Assertion{src: source, fail: verifier.FailFunc}
a.IsZero("should be zero")
verifier.Verify(t)
message := "struct { Name string }{Name:\"Person\"} is not a zero value, should be zero"
verifier.VerifyMessage(t, message)
}
func TestIsNotZeroForStructs(t *testing.T) {
source := struct{ Name string }{Name: "Person"}
verifier := AssertionVerifier{ShouldPass: true}
a := Assertion{src: source, fail: verifier.FailFunc}
a.IsNotZero()
verifier.Verify(t)
source = struct{ Name string }{}
verifier = AssertionVerifier{ShouldPass: false}
a = Assertion{src: source, fail: verifier.FailFunc}
a.IsNotZero()
verifier.Verify(t)
}
func TestIsNotZeroForInt(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: true}
a := Assertion{src: 1, fail: verifier.FailFunc}
a.IsNotZero()
verifier.Verify(t)
verifier = AssertionVerifier{ShouldPass: false}
a = Assertion{src: 0, fail: verifier.FailFunc}
a.IsNotZero()
verifier.Verify(t)
}
func TestIsNotZeroForFloat(t *testing.T) {
verifier := AssertionVerifier{ShouldPass: true}
a := Assertion{src: 0.1, fail: verifier.FailFunc}
a.IsNotZero()
verifier.Verify(t)
verifier = AssertionVerifier{ShouldPass: false}
a = Assertion{src: 0.0, fail: verifier.FailFunc}
a.IsNotZero()
verifier.Verify(t)
}
func TestIsNotZeroWithMessage(t *testing.T) {
source := struct{ Name string }{}
verifier := AssertionVerifier{ShouldPass: false}
a := Assertion{src: source, fail: verifier.FailFunc}
a.IsNotZero("should not be zero")
verifier.Verify(t)
message := "struct { Name string }{Name:\"\"} is a zero value, should not be zero"
verifier.VerifyMessage(t, message)
}
|
