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|
package errs
import (
"errors"
"fmt"
"net/http"
"testing"
"github.com/stretchr/testify/assert"
)
func TestError_MarshalJSON(t *testing.T) {
type fields struct {
Status int
Err error
}
tests := []struct {
name string
fields fields
want []byte
wantErr bool
}{
{"ok", fields{400, fmt.Errorf("bad request")}, []byte(`{"status":400,"message":"Bad Request"}`), false},
{"ok no error", fields{500, nil}, []byte(`{"status":500,"message":"Internal Server Error"}`), false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
e := &Error{
Status: tt.fields.Status,
Err: tt.fields.Err,
}
got, err := e.MarshalJSON()
if tt.wantErr {
assert.Error(t, err)
assert.Empty(t, got)
return
}
assert.NoError(t, err)
assert.Equal(t, tt.want, got)
})
}
}
func TestError_UnmarshalJSON(t *testing.T) {
type args struct {
data []byte
}
tests := []struct {
name string
args args
expected *Error
wantErr bool
}{
{"ok", args{[]byte(`{"status":400,"message":"bad request"}`)}, &Error{Status: 400, Err: fmt.Errorf("bad request")}, false},
{"fail", args{[]byte(`{"status":"400","message":"bad request"}`)}, &Error{}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
e := new(Error)
err := e.UnmarshalJSON(tt.args.data)
if tt.wantErr {
assert.Error(t, err)
return
}
assert.NoError(t, err)
assert.Equal(t, tt.expected, e)
})
}
}
func TestError_Unwrap(t *testing.T) {
err := errors.New("wrapped error")
tests := []struct {
name string
error error
want string
}{
{"ok New", New(http.StatusBadRequest, "some error"), "some error"},
{"ok New v-wrap", New(http.StatusBadRequest, "some error: %v", err), "some error: wrapped error"},
{"ok NewError", NewError(http.StatusBadRequest, err, "some error"), "some error: wrapped error"},
{"ok NewErr", NewErr(http.StatusBadRequest, err), "wrapped error"},
{"ok NewErr wit message", NewErr(http.StatusBadRequest, err, WithMessage("some message")), "wrapped error"},
{"ok Errorf", Errorf(http.StatusBadRequest, "some error: %w", err), "some error: wrapped error"},
{"ok Errorf v-wrap", Errorf(http.StatusBadRequest, "some error: %v", err), "some error: wrapped error"},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := errors.Unwrap(tt.error)
assert.EqualError(t, got, tt.want)
})
}
}
type customError struct {
Message string
}
func (e *customError) Error() string {
return e.Message
}
func TestError_Unwrap_As(t *testing.T) {
err := &customError{Message: "wrapped error"}
tests := []struct {
name string
error error
want bool
wantErr *customError
}{
{"ok NewError", NewError(http.StatusBadRequest, err, "some error"), true, err},
{"ok NewErr", NewErr(http.StatusBadRequest, err), true, err},
{"ok NewErr wit message", NewErr(http.StatusBadRequest, err, WithMessage("some message")), true, err},
{"ok Errorf", Errorf(http.StatusBadRequest, "some error: %w", err), true, err},
{"fail New", New(http.StatusBadRequest, "some error"), false, nil},
{"fail New v-wrap", New(http.StatusBadRequest, "some error: %v", err), false, nil},
{"fail Errorf", Errorf(http.StatusBadRequest, "some error"), false, nil},
{"fail Errorf v-wrap", Errorf(http.StatusBadRequest, "some error: %v", err), false, nil},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var cerr *customError
assert.Equal(t, tt.want, errors.As(tt.error, &cerr))
assert.Equal(t, tt.wantErr, cerr)
})
}
}
|
