-
Notifications
You must be signed in to change notification settings - Fork 0
/
errors_test.go
89 lines (72 loc) · 1.99 KB
/
errors_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
package errors_test
import (
"log"
"testing"
. "github.com/dylannz-sailthru/errors"
"github.com/pkg/errors"
)
var (
ErrSecret = errors.New("something secret went wrong")
ErrUser = errors.New("something public went wrong")
)
func someErr() error {
return ErrSecret
}
func implementation() error {
err := someErr()
if err != nil {
return NewError(err, ErrUser)
}
return nil
}
func TestConstructor(t *testing.T) {
err := implementation()
e, ok := err.(*Error)
if !ok {
log.Fatalf("expected err to be of type *Error, was: %T", err)
}
if e.UserError() != ErrUser {
log.Fatalf("expected user error to be: %v, got: %v", ErrUser.Error(), e.UserError())
}
if err.Error() != ErrSecret.Error() {
log.Fatalf("expected cause to be: %v, got: %v", ErrSecret.Error(), err.Error())
}
}
func TestUserCauseWithThirdPartyError(t *testing.T) {
c := errors.New("generic error")
err := NewError(c, nil)
e, ok := err.(*Error)
if !ok {
log.Fatalf("expected err to be of type *Error, was: %T", err)
}
if e.UserError() != DefaultUserError {
log.Fatalf("expected user error to be: %v, got: %v", DefaultUserError, e.UserError())
}
if err.Error() != c.Error() {
log.Fatalf("expected cause to be: %v, got: %v", c.Error(), err.Error())
}
}
func TestConstructorWithNilUserError(t *testing.T) {
err := NewError(nil, nil)
if err != nil {
log.Fatalf("expected err to be nil, got: %v", err)
}
err = NewError(nil, errors.New("some error"))
if err != nil {
log.Fatalf("expected err to be nil, got: %v", err)
}
}
func TestUser(t *testing.T) {
err := NewError(ErrSecret, ErrUser)
wrapped := errors.Wrap(err, "some wrapper")
if ErrUser != User(wrapped) {
log.Fatalf("expected unwrapped user error (%v) to equal original user err (%v)", User(wrapped), ErrUser)
}
}
func TestUserWithNonUserError(t *testing.T) {
err := errors.New("some non-user error")
wrapped := errors.Wrap(err, "some wrapper")
if User(wrapped) != nil {
log.Fatalf("expected unwrapped user error (%v) to be nil", User(wrapped))
}
}