errorutil/retryable_test.go at master · ltachet/errorutil · GitHub

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
package errorutil

import (
	"errors"
	"fmt"
	"net/http"
	"testing"

	pkgerrors "github.com/pkg/errors"
)

type retryable bool

func (err retryable) Error() string {
	return fmt.Sprintf("%v", err)
}

func (err retryable) Retryable() bool {
	return bool(err)
}

func TestIsRetryable(t *testing.T) {
	tests := []struct {
		err  error
		want bool
	}{
		{nil, false},
		{RetryableError(nil), false},
		{pkgerrors.Wrap(RetryableError(nil), "bar"), false},

		{errors.New("foo"), false},
		{pkgerrors.New("foo"), false},
		{pkgerrors.Wrap(errors.New("foo"), "bar"), false},

		{RetryableError(errors.New("foo")), true},
		{RetryableError(pkgerrors.New("foo")), true},
		{pkgerrors.Wrap(RetryableError(errors.New("foo")), "bar"), true},

		{httpError(http.StatusBadGateway), true},
		{pkgerrors.Wrap(httpError(http.StatusBadGateway), "bar"), true},
		{httpError(http.StatusInternalServerError), true},
		{pkgerrors.Wrap(httpError(http.StatusInternalServerError), "bar"), true},
		{httpError(http.StatusGatewayTimeout), true},
		{pkgerrors.Wrap(httpError(http.StatusGatewayTimeout), "bar"), true},
		{httpError(429), true},
		{pkgerrors.Wrap(httpError(429), "bar"), true},
		{httpError(http.StatusNotFound), false},
		{pkgerrors.Wrap(httpError(http.StatusNotFound), "bar"), false},
		{NotFoundError(errors.New("foo")), false},
		{httpError(http.StatusBadRequest), false},
		{pkgerrors.Wrap(httpError(http.StatusBadRequest), "bar"), false},
		{InvalidError(errors.New("foo")), false},
		{httpError(http.StatusForbidden), false},
		{pkgerrors.Wrap(httpError(http.StatusForbidden), "bar"), false},
		{ForbiddenError(errors.New("foo")), false},

		{retryable(false), false},
		{retryable(true), true},
	}
	for _, tt := range tests {
		got := IsRetryable(tt.err)
		if got != tt.want {
			t.Errorf("IsRetryable(%q): got: %v, want %v", tt.err, got, tt.want)
		}
	}
}

func ExampleIsRetryable() {
	err := errors.New("some error")
	IsRetryable(err) // will return false
	err = RetryableError(err)
	IsRetryable(err) // will return true
}

func TestIsNotRetryable(t *testing.T) {
	tests := []struct {
		err  error
		want bool
	}{
		{nil, false},
		{RetryableError(nil), false},
		{pkgerrors.Wrap(RetryableError(nil), "bar"), false},

		{errors.New("foo"), false},
		{pkgerrors.New("foo"), false},
		{pkgerrors.Wrap(errors.New("foo"), "bar"), false},

		{RetryableError(errors.New("foo")), false},
		{RetryableError(pkgerrors.New("foo")), false},
		{pkgerrors.Wrap(RetryableError(errors.New("foo")), "bar"), false},

		{retryable(false), true},
		{retryable(true), false},
	}
	for _, tt := range tests {
		got := IsNotRetryable(tt.err)
		if got != tt.want {
			t.Errorf("IsRetryable(%q): got: %v, want %v", tt.err, got, tt.want)
		}
	}
}

func ExampleIsNotRetryable() {
	err := errors.New("some error")
	IsNotRetryable(err) // will return false
	err = RetryableError(err)
	IsNotRetryable(err) // will return false
}

func TestNewRetryableError(t *testing.T) {
	err := NewRetryableError("retryable error")
	if IsNotRetryable(err) {
		t.Errorf("NewRetryableError must return a retryable error")
	}
	if err.Error() != "retryable error" {
		t.Errorf("NewRetryableError: expected :%s, got %s", "test", err.Error())
	}
}

func ExampleNewRetryableError() {
	err := NewRetryableError("test")
	IsRetryable(err) // will return true
}

func TestNewRetryableErrorf(t *testing.T) {
	err := NewRetryableErrorf("retryable error %s", "formatted")
	if IsNotRetryable(err) {
		t.Errorf("NewRetryableErrorf must return a retryable error")
	}
	if err.Error() != "retryable error formatted" {
		t.Errorf("NewRetryableErrorf: expected :%s, got %s", "retryable error formatted", err.Error())
	}
}

func ExampleNewRetryableErrorf() {
	err := NewRetryableErrorf("Unable to read data for device %d", 70)
	IsRetryable(err) // will return true
}