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encoder_map_test.go
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package avro_test
import (
"bytes"
"errors"
"strconv"
"testing"
"github.com/alex-rnv/avro/v2"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestEncoder_MapInvalidType(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": "string"}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode("test")
assert.Error(t, err)
}
func TestEncoder_Map(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": "string"}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]string{})
require.NoError(t, err)
assert.Equal(t, []byte{0x00}, buf.Bytes())
}
func TestEncoder_MapEmpty(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": "string"}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]string{"foo": "foo"})
require.NoError(t, err)
assert.Equal(t, []byte{0x01, 0x10, 0x06, 0x66, 0x6F, 0x6F, 0x06, 0x66, 0x6F, 0x6F, 0x00}, buf.Bytes())
}
func TestEncoder_MapOfStruct(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": {"type": "record", "name": "test", "fields" : [{"name": "a", "type": "long"}, {"name": "b", "type": "string"}]}}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]TestRecord{"foo": {A: 27, B: "foo"}})
require.NoError(t, err)
assert.Equal(t, []byte{0x01, 0x12, 0x06, 0x66, 0x6F, 0x6F, 0x36, 0x06, 0x66, 0x6f, 0x6f, 0x0}, buf.Bytes())
}
func TestEncoder_MapInvalidKeyType(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": "string"}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[int]string{1: "foo"})
assert.Error(t, err)
}
func TestEncoder_MapError(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": "string"}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]int{"foo": 1})
assert.Error(t, err)
}
func TestEncoder_MapWithMoreThanBlockLengthKeys(t *testing.T) {
avro.DefaultConfig = avro.Config{
TagKey: "avro",
BlockLength: 1,
UnionResolutionError: true,
}.Freeze()
schema := `{"type":"map", "values": "int"}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]int{"foo": 1, "bar": 2})
require.NoError(t, err)
assert.Condition(t, func() bool {
// {"foo": 1, "bar": 2}
foobar := bytes.Equal([]byte{0x01, 0x0a, 0x06, 0x66, 0x6F, 0x6F, 0x02, 0x01, 0x0a, 0x06, 0x62, 0x61, 0x72, 0x04, 0x0}, buf.Bytes())
// {"bar": 2, "foo": 1}
barfoo := bytes.Equal([]byte{0x01, 0x0a, 0x06, 0x62, 0x61, 0x72, 0x04, 0x01, 0x0a, 0x06, 0x66, 0x6F, 0x6F, 0x02, 0x0}, buf.Bytes())
return (foobar || barfoo)
})
}
type textMarshallerInt int
func (t textMarshallerInt) MarshalText() (text []byte, err error) {
return []byte(strconv.Itoa(int(t))), nil
}
type textMarshallerError int
func (t textMarshallerError) MarshalText() (text []byte, err error) {
return nil, errors.New("test")
}
func TestEncoder_MapMarshaller(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": "string"}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[textMarshallerInt]string{
1: "test",
})
require.NoError(t, err)
want := []byte{0x1, 0xe, 0x2, 0x31, 0x8, 0x74, 0x65, 0x73, 0x74, 0x0}
assert.Equal(t, want, buf.Bytes())
}
func TestEncoder_MapMarshallerNil(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": "string"}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[*textMarshallerError]int{
nil: 1,
})
require.Error(t, err)
}
func TestEncoder_MapMarshallerKeyError(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": "string"}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[textMarshallerError]int{
1: 1,
})
require.Error(t, err)
}
func TestEncoder_MapMarshallerError(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": "string"}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[textMarshallerInt]int{
1: 1,
})
require.Error(t, err)
}