forked from d5/tengo
-
Notifications
You must be signed in to change notification settings - Fork 0
/
assert.go
356 lines (302 loc) · 8.94 KB
/
assert.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
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
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
package assert
import (
"bytes"
"fmt"
"reflect"
"strings"
"testing"
"github.com/d5/tengo/compiler"
"github.com/d5/tengo/compiler/source"
"github.com/d5/tengo/compiler/token"
"github.com/d5/tengo/objects"
)
// NoError asserts err is not an error.
func NoError(t *testing.T, err error, msg ...interface{}) bool {
if err == nil {
return true
}
return failExpectedActual(t, "no error", err, msg...)
}
// Error asserts err is an error.
func Error(t *testing.T, err error, msg ...interface{}) bool {
if err != nil {
return true
}
return failExpectedActual(t, "error", err, msg...)
}
// Nil asserts v is nil.
func Nil(t *testing.T, v interface{}, msg ...interface{}) bool {
if isNil(v) {
return true
}
return failExpectedActual(t, "nil", v, msg...)
}
// True asserts v is true.
func True(t *testing.T, v bool, msg ...interface{}) bool {
if v {
return true
}
return failExpectedActual(t, "true", v, msg...)
}
// False asserts vis false.
func False(t *testing.T, v bool, msg ...interface{}) bool {
if !v {
return true
}
return failExpectedActual(t, "false", v, msg...)
}
// NotNil asserts v is not nil.
func NotNil(t *testing.T, v interface{}, msg ...interface{}) bool {
if !isNil(v) {
return true
}
return failExpectedActual(t, "not nil", v, msg...)
}
// IsType asserts expected and actual are of the same type.
func IsType(t *testing.T, expected, actual interface{}, msg ...interface{}) bool {
if reflect.TypeOf(expected) == reflect.TypeOf(actual) {
return true
}
return failExpectedActual(t, reflect.TypeOf(expected), reflect.TypeOf(actual), msg...)
}
// Equal asserts expected and actual are equal.
func Equal(t *testing.T, expected, actual interface{}, msg ...interface{}) bool {
if isNil(expected) {
return Nil(t, actual, "expected nil, but got not nil")
}
if !NotNil(t, actual, "expected not nil, but got nil") {
return false
}
if !IsType(t, expected, actual, msg...) {
return false
}
switch expected := expected.(type) {
case int:
if expected != actual.(int) {
return failExpectedActual(t, expected, actual, msg...)
}
case int64:
if expected != actual.(int64) {
return failExpectedActual(t, expected, actual, msg...)
}
case float64:
if expected != actual.(float64) {
return failExpectedActual(t, expected, actual, msg...)
}
case string:
if expected != actual.(string) {
return failExpectedActual(t, expected, actual, msg...)
}
case []byte:
if !bytes.Equal(expected, actual.([]byte)) {
return failExpectedActual(t, string(expected), string(actual.([]byte)), msg...)
}
case []string:
if !equalStringSlice(expected, actual.([]string)) {
return failExpectedActual(t, expected, actual, msg...)
}
case []int:
if !equalIntSlice(expected, actual.([]int)) {
return failExpectedActual(t, expected, actual, msg...)
}
case bool:
if expected != actual.(bool) {
return failExpectedActual(t, expected, actual, msg...)
}
case rune:
if expected != actual.(rune) {
return failExpectedActual(t, expected, actual, msg...)
}
case *compiler.Symbol:
if !equalSymbol(expected, actual.(*compiler.Symbol)) {
return failExpectedActual(t, expected, actual, msg...)
}
case source.Pos:
if expected != actual.(source.Pos) {
return failExpectedActual(t, expected, actual, msg...)
}
case token.Token:
if expected != actual.(token.Token) {
return failExpectedActual(t, expected, actual, msg...)
}
case []objects.Object:
return equalObjectSlice(t, expected, actual.([]objects.Object), msg...)
case *objects.Int:
return Equal(t, expected.Value, actual.(*objects.Int).Value, msg...)
case *objects.Float:
return Equal(t, expected.Value, actual.(*objects.Float).Value, msg...)
case *objects.String:
return Equal(t, expected.Value, actual.(*objects.String).Value, msg...)
case *objects.Char:
return Equal(t, expected.Value, actual.(*objects.Char).Value, msg...)
case *objects.Bool:
if expected != actual {
return failExpectedActual(t, expected, actual, msg...)
}
case *objects.Array:
return equalObjectSlice(t, expected.Value, actual.(*objects.Array).Value, msg...)
case *objects.ImmutableArray:
return equalObjectSlice(t, expected.Value, actual.(*objects.ImmutableArray).Value, msg...)
case *objects.Bytes:
if !bytes.Equal(expected.Value, actual.(*objects.Bytes).Value) {
return failExpectedActual(t, string(expected.Value), string(actual.(*objects.Bytes).Value), msg...)
}
case *objects.Map:
return equalObjectMap(t, expected.Value, actual.(*objects.Map).Value, msg...)
case *objects.ImmutableMap:
return equalObjectMap(t, expected.Value, actual.(*objects.ImmutableMap).Value, msg...)
case *objects.CompiledFunction:
return equalCompiledFunction(t, expected, actual.(*objects.CompiledFunction), msg...)
case *objects.Closure:
return equalClosure(t, expected, actual.(*objects.Closure), msg...)
case *objects.Undefined:
if expected != actual {
return failExpectedActual(t, expected, actual, msg...)
}
case *objects.Error:
return Equal(t, expected.Value, actual.(*objects.Error).Value, msg...)
case objects.Object:
if !expected.Equals(actual.(objects.Object)) {
return failExpectedActual(t, expected, actual, msg...)
}
case *source.FileSet:
return equalFileSet(t, expected, actual.(*source.FileSet), msg...)
case *source.File:
return Equal(t, expected.Name, actual.(*source.File).Name, msg...) &&
Equal(t, expected.Base, actual.(*source.File).Base, msg...) &&
Equal(t, expected.Size, actual.(*source.File).Size, msg...) &&
True(t, equalIntSlice(expected.Lines, actual.(*source.File).Lines), msg...)
case error:
if expected != actual.(error) {
return failExpectedActual(t, expected, actual, msg...)
}
default:
panic(fmt.Errorf("type not implemented: %T", expected))
}
return true
}
// Fail marks the function as having failed but continues execution.
func Fail(t *testing.T, msg ...interface{}) bool {
t.Logf("\nError trace:\n\t%s\n%s", strings.Join(errorTrace(), "\n\t"), message(msg...))
t.Fail()
return false
}
func failExpectedActual(t *testing.T, expected, actual interface{}, msg ...interface{}) bool {
var addMsg string
if len(msg) > 0 {
addMsg = "\nMessage: " + message(msg...)
}
t.Logf("\nError trace:\n\t%s\nExpected: %v\nActual: %v%s",
strings.Join(errorTrace(), "\n\t"),
expected, actual,
addMsg)
t.Fail()
return false
}
func message(formatArgs ...interface{}) string {
var format string
var args []interface{}
if len(formatArgs) > 0 {
format = formatArgs[0].(string)
}
if len(formatArgs) > 1 {
args = formatArgs[1:]
}
return fmt.Sprintf(format, args...)
}
func equalIntSlice(a, b []int) bool {
if len(a) != len(b) {
return false
}
for i := 0; i < len(a); i++ {
if a[i] != b[i] {
return false
}
}
return true
}
func equalStringSlice(a, b []string) bool {
if len(a) != len(b) {
return false
}
for i := 0; i < len(a); i++ {
if a[i] != b[i] {
return false
}
}
return true
}
func equalSymbol(a, b *compiler.Symbol) bool {
return a.Name == b.Name &&
a.Index == b.Index &&
a.Scope == b.Scope
}
func equalObjectSlice(t *testing.T, expected, actual []objects.Object, msg ...interface{}) bool {
if !Equal(t, len(expected), len(actual), msg...) {
return false
}
for i := 0; i < len(expected); i++ {
if !Equal(t, expected[i], actual[i], msg...) {
return false
}
}
return true
}
func equalFileSet(t *testing.T, expected, actual *source.FileSet, msg ...interface{}) bool {
if !Equal(t, len(expected.Files), len(actual.Files), msg...) {
return false
}
for i, f := range expected.Files {
if !Equal(t, f, actual.Files[i], msg...) {
return false
}
}
return Equal(t, expected.Base, actual.Base) &&
Equal(t, expected.LastFile, actual.LastFile)
}
func equalObjectMap(t *testing.T, expected, actual map[string]objects.Object, msg ...interface{}) bool {
if !Equal(t, len(expected), len(actual), msg...) {
return false
}
for key, expectedVal := range expected {
actualVal := actual[key]
if !Equal(t, expectedVal, actualVal, msg...) {
return false
}
}
return true
}
func equalCompiledFunction(t *testing.T, expected, actual objects.Object, msg ...interface{}) bool {
expectedT := expected.(*objects.CompiledFunction)
actualT := actual.(*objects.CompiledFunction)
return Equal(t,
compiler.FormatInstructions(expectedT.Instructions, 0),
compiler.FormatInstructions(actualT.Instructions, 0), msg...)
}
func equalClosure(t *testing.T, expected, actual objects.Object, msg ...interface{}) bool {
expectedT := expected.(*objects.Closure)
actualT := actual.(*objects.Closure)
if !Equal(t, expectedT.Fn, actualT.Fn, msg...) {
return false
}
if !Equal(t, len(expectedT.Free), len(actualT.Free), msg...) {
return false
}
for i := 0; i < len(expectedT.Free); i++ {
if !Equal(t, *expectedT.Free[i], *actualT.Free[i], msg...) {
return false
}
}
return true
}
func isNil(v interface{}) bool {
if v == nil {
return true
}
value := reflect.ValueOf(v)
kind := value.Kind()
if kind >= reflect.Chan && kind <= reflect.Slice && value.IsNil() {
return true
}
return false
}