Files
cof-spec/ident/ident_test.go
2026-03-21 21:14:32 +09:00

102 lines
2.0 KiB
Go

package ident_test
import (
"encoding"
"encoding/base64"
"fmt"
"reflect"
"testing"
"git.gensokyo.uk/cofront/cof-spec/ident"
)
// rTestCases describes multiple representation test cases.
type rTestCases[V any, S interface {
encoding.TextMarshaler
encoding.TextUnmarshaler
fmt.Stringer
*V
}] []struct {
name string
ident V
want []byte
err error
}
// checkRepresentation runs tests described by testCases.
func (testCases rTestCases[V, S]) run(t *testing.T) {
t.Helper()
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Helper()
t.Parallel()
t.Run("decode", func(t *testing.T) {
t.Helper()
t.Parallel()
var got V
if err := S(&got).UnmarshalText(tc.want); !reflect.DeepEqual(err, tc.err) {
t.Fatalf("UnmarshalText: error = %v, want %v", err, tc.err)
}
if tc.err != nil {
return
}
if !reflect.DeepEqual(got, tc.ident) {
t.Errorf("UnmarshalText: %#v, want %#v", got, tc.ident)
}
})
if tc.err != nil {
return
}
t.Run("encode", func(t *testing.T) {
t.Helper()
t.Parallel()
if got, err := S(&tc.ident).MarshalText(); err != nil {
t.Fatalf("MarshalText: error = %v", err)
} else if string(got) != string(tc.want) {
raw, decodeErr := base64.URLEncoding.AppendDecode(nil, got)
t.Logf("AppendDecode: %#v, error = %v", raw, decodeErr)
t.Errorf("MarshalText: %#v, want %#v", got, tc.want)
}
if got := S(&tc.ident).String(); got != string(tc.want) {
t.Errorf("String: %#v, want %#v", []byte(got), tc.want)
}
})
})
}
}
func TestErrors(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
err error
want string
}{
{"UnexpectedSizeError", &ident.UnexpectedSizeError{
Data: make([]byte, 1<<10),
Want: ident.EncodedSizeSystem,
}, "got 1024 bytes for a 32-byte identifier"},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
if got := tc.err.Error(); got != tc.want {
t.Errorf("Error: %q, want %q", got, tc.want)
}
})
}
}