spf13--viper/internal/encoding/encoder_test.go

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package encoding
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type encoder struct {
b []byte
}
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func (e encoder) Encode(_ map[string]any) ([]byte, error) {
return e.b, nil
}
func TestEncoderRegistry_RegisterEncoder(t *testing.T) {
t.Run("OK", func(t *testing.T) {
registry := NewEncoderRegistry()
err := registry.RegisterEncoder("myformat", encoder{})
require.NoError(t, err)
})
t.Run("AlreadyRegistered", func(t *testing.T) {
registry := NewEncoderRegistry()
err := registry.RegisterEncoder("myformat", encoder{})
require.NoError(t, err)
err = registry.RegisterEncoder("myformat", encoder{})
assert.ErrorIs(t, err, ErrEncoderFormatAlreadyRegistered)
})
}
func TestEncoderRegistry_Decode(t *testing.T) {
t.Run("OK", func(t *testing.T) {
registry := NewEncoderRegistry()
encoder := encoder{
b: []byte("key: value"),
}
err := registry.RegisterEncoder("myformat", encoder)
require.NoError(t, err)
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b, err := registry.Encode("myformat", map[string]any{"key": "value"})
require.NoError(t, err)
assert.Equal(t, "key: value", string(b))
})
t.Run("EncoderNotFound", func(t *testing.T) {
registry := NewEncoderRegistry()
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_, err := registry.Encode("myformat", map[string]any{"key": "value"})
assert.ErrorIs(t, err, ErrEncoderNotFound)
})
}