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encoder_enum_test.go
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encoder_enum_test.go
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package avro_test
import (
"bytes"
"errors"
"testing"
"github.com/hamba/avro/v2"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestEncoder_EnumInvalidType(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"enum", "name": "test", "symbols": ["foo", "bar"]}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(27)
assert.Error(t, err)
}
func TestEncoder_Enum(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"enum", "name": "test", "symbols": ["foo", "bar"]}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode("bar")
require.NoError(t, err)
assert.Equal(t, []byte{0x02}, buf.Bytes())
}
func TestEncoder_EnumInvalidSymbol(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"enum", "name": "test", "symbols": ["foo", "bar"]}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode("baz")
assert.Error(t, err)
}
func TestEncoder_EnumTextMarshaler(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"enum", "name": "test", "symbols": ["foo", "bar"]}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
m := testEnumTextMarshaler(1)
err = enc.Encode(m)
require.NoError(t, err)
assert.Equal(t, []byte{0x02}, buf.Bytes())
}
func TestEncoder_EnumTextMarshalerPtr(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"enum", "name": "test", "symbols": ["foo", "bar"]}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
m := testEnumTextMarshaler(1)
err = enc.Encode(&m)
require.NoError(t, err)
assert.Equal(t, []byte{0x02}, buf.Bytes())
}
func TestEncoder_EnumTextMarshalerObj(t *testing.T) {
defer ConfigTeardown()
schema := `{
"type": "record",
"name": "test",
"fields" : [
{"name": "a", "type": {"type":"enum", "name": "test1", "symbols": ["foo", "bar"]}}
]
}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
m := testEnumMarshlaerObj{A: testEnumTextMarshaler(1)}
err = enc.Encode(&m)
require.NoError(t, err)
assert.Equal(t, []byte{0x02}, buf.Bytes())
}
func TestEncoder_EnumTextMarshalerInvalidSymbol(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"enum", "name": "test", "symbols": ["foo", "bar"]}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
m := testEnumTextMarshaler(2)
err = enc.Encode(m)
assert.Error(t, err)
}
func TestEncoder_EnumTextMarshalerNil(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"enum", "name": "test", "symbols": ["foo", "bar"]}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var m *testEnumTextMarshaler
err = enc.Encode(m)
assert.Error(t, err)
}
func TestEncoder_EnumTextMarshalerError(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"enum", "name": "test", "symbols": ["foo", "bar"]}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
m := testEnumTextMarshaler(3)
err = enc.Encode(m)
assert.Error(t, err)
}
type testEnumMarshlaerObj struct {
A testEnumTextMarshaler `avro:"a"`
}
type testEnumTextMarshaler int
func (m *testEnumTextMarshaler) MarshalText() ([]byte, error) {
switch *m {
case 0:
return []byte("foo"), nil
case 1:
return []byte("bar"), nil
case 2:
return []byte("baz"), nil
default:
return nil, errors.New("unknown symbol")
}
}