File size: 4,106 Bytes
8059bf0 | 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 | //go:build unit
package errors
import (
stderrors "errors"
"fmt"
"io"
"net/http"
"testing"
"github.com/stretchr/testify/require"
)
func TestApplicationError_Basics(t *testing.T) {
tests := []struct {
name string
err *ApplicationError
want Status
wantIs bool
target error
wrapped error
}{
{
name: "new",
err: New(400, "BAD_REQUEST", "invalid input"),
want: Status{
Code: 400,
Reason: "BAD_REQUEST",
Message: "invalid input",
},
},
{
name: "is_matches_code_and_reason",
err: New(401, "UNAUTHORIZED", "nope"),
want: Status{Code: 401, Reason: "UNAUTHORIZED", Message: "nope"},
target: New(401, "UNAUTHORIZED", "ignored message"),
wantIs: true,
},
{
name: "is_does_not_match_reason",
err: New(401, "UNAUTHORIZED", "nope"),
want: Status{Code: 401, Reason: "UNAUTHORIZED", Message: "nope"},
target: New(401, "DIFFERENT", "ignored message"),
wantIs: false,
},
{
name: "from_error_unwraps_wrapped_application_error",
err: New(404, "NOT_FOUND", "missing"),
wrapped: fmt.Errorf("wrap: %w", New(404, "NOT_FOUND", "missing")),
want: Status{
Code: 404,
Reason: "NOT_FOUND",
Message: "missing",
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if tt.err != nil {
require.Equal(t, tt.want, tt.err.Status)
}
if tt.target != nil {
require.Equal(t, tt.wantIs, stderrors.Is(tt.err, tt.target))
}
if tt.wrapped != nil {
got := FromError(tt.wrapped)
require.Equal(t, tt.want, got.Status)
}
})
}
}
func TestApplicationError_WithMetadataDeepCopy(t *testing.T) {
tests := []struct {
name string
md map[string]string
}{
{name: "non_nil", md: map[string]string{"a": "1"}},
{name: "nil", md: nil},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
appErr := BadRequest("BAD_REQUEST", "invalid input").WithMetadata(tt.md)
if tt.md == nil {
require.Nil(t, appErr.Metadata)
return
}
tt.md["a"] = "changed"
require.Equal(t, "1", appErr.Metadata["a"])
})
}
}
func TestFromError_Generic(t *testing.T) {
tests := []struct {
name string
err error
wantCode int32
wantReason string
wantMsg string
}{
{
name: "plain_error",
err: stderrors.New("boom"),
wantCode: UnknownCode,
wantReason: UnknownReason,
wantMsg: UnknownMessage,
},
{
name: "wrapped_plain_error",
err: fmt.Errorf("wrap: %w", io.EOF),
wantCode: UnknownCode,
wantReason: UnknownReason,
wantMsg: UnknownMessage,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := FromError(tt.err)
require.Equal(t, tt.wantCode, got.Code)
require.Equal(t, tt.wantReason, got.Reason)
require.Equal(t, tt.wantMsg, got.Message)
require.Equal(t, tt.err, got.Unwrap())
})
}
}
func TestToHTTP(t *testing.T) {
tests := []struct {
name string
err error
wantStatusCode int
wantBody Status
}{
{
name: "nil_error",
err: nil,
wantStatusCode: http.StatusOK,
wantBody: Status{Code: int32(http.StatusOK)},
},
{
name: "application_error",
err: Forbidden("FORBIDDEN", "no access"),
wantStatusCode: http.StatusForbidden,
wantBody: Status{
Code: int32(http.StatusForbidden),
Reason: "FORBIDDEN",
Message: "no access",
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
code, body := ToHTTP(tt.err)
require.Equal(t, tt.wantStatusCode, code)
require.Equal(t, tt.wantBody, body)
})
}
}
func TestToHTTP_MetadataDeepCopy(t *testing.T) {
md := map[string]string{"k": "v"}
appErr := BadRequest("BAD_REQUEST", "invalid").WithMetadata(md)
code, body := ToHTTP(appErr)
require.Equal(t, http.StatusBadRequest, code)
require.Equal(t, "v", body.Metadata["k"])
md["k"] = "changed"
require.Equal(t, "v", body.Metadata["k"])
appErr.Metadata["k"] = "changed-again"
require.Equal(t, "v", body.Metadata["k"])
}
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