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encoder_union_test.go
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encoder_union_test.go
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package avro_test
import (
"bytes"
"math/big"
"testing"
"time"
"github.com/hamba/avro/v2"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestEncoder_UnionMap(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]any{"string": "foo"})
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x06, 0x66, 0x6F, 0x6F}, buf.Bytes())
}
func TestEncoder_UnionMapRecord(t *testing.T) {
defer ConfigTeardown()
schema := `["null", {
"type": "record",
"name": "test",
"fields" : [
{"name": "a", "type": ["string", "null"], "default": "test"},
{"name": "b", "type": "string"}
]
}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]any{"test": map[string]any{"b": "foo"}})
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x00, 0x08, 0x74, 0x65, 0x73, 0x74, 0x06, 0x66, 0x6F, 0x6F}, buf.Bytes())
}
func TestEncoder_UnionMapNamed(t *testing.T) {
defer ConfigTeardown()
schema := `["null", {"type":"enum", "name": "test", "symbols": ["foo", "bar"]}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]any{"test": "bar"})
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x02}, buf.Bytes())
}
func TestEncoder_UnionMapNull(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var m map[string]any
err = enc.Encode(m)
require.NoError(t, err)
assert.Equal(t, []byte{0x00}, buf.Bytes())
}
func TestEncoder_UnionMapMultipleEntries(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "string", "int"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]any{"string": "foo", "int": 27})
assert.Error(t, err)
}
func TestEncoder_UnionMapWithTime(t *testing.T) {
defer ConfigTeardown()
schema := `["null", {"type": "long", "logicalType": "timestamp-micros"}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
m := map[string]any{
"long.timestamp-micros": time.Date(2020, 1, 2, 3, 4, 5, 0, time.UTC),
}
err = enc.Encode(m)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x80, 0xCD, 0xB7, 0xA2, 0xEE, 0xC7, 0xCD, 0x05}, buf.Bytes())
}
func TestEncoder_UnionMapWithDuration(t *testing.T) {
defer ConfigTeardown()
schema := `["null", {"type": "int", "logicalType": "time-millis"}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
m := map[string]any{
"int.time-millis": 123456789 * time.Millisecond,
}
err = enc.Encode(m)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0xAA, 0xB4, 0xDE, 0x75}, buf.Bytes())
}
func TestEncoder_UnionMapWithDecimal(t *testing.T) {
defer ConfigTeardown()
t.Run("low scale", func(t *testing.T) {
schema := `["null", {"type": "bytes", "logicalType": "decimal", "precision": 4, "scale": 2}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
m := map[string]any{
"bytes.decimal": big.NewRat(1734, 5),
}
err = enc.Encode(m)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x6, 0x00, 0x87, 0x78}, buf.Bytes())
})
t.Run("high scale", func(t *testing.T) {
schema := `["null", {"type": "bytes", "logicalType": "decimal", "precision": 77, "scale": 38}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
m := map[string]any{
"bytes.decimal": big.NewRat(1734, 5),
}
err = enc.Encode(m)
require.NoError(t, err)
assert.Equal(t, []byte{0x2, 0x22, 0x65, 0xea, 0x55, 0xc, 0x11, 0x8, 0xf7, 0xc3, 0xb8, 0xec, 0x53, 0xff, 0x80, 0x0, 0x0, 0x0, 0x0}, buf.Bytes())
})
}
func TestEncoder_UnionMapInvalidType(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]any{"long": 27})
assert.Error(t, err)
}
func TestEncoder_UnionMapInvalidMap(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]string{})
assert.Error(t, err)
}
func TestEncoder_UnionPtr(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
str := "foo"
err = enc.Encode(&str)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x06, 0x66, 0x6F, 0x6F}, buf.Bytes())
}
func TestEncoder_UnionPtrReversed(t *testing.T) {
defer ConfigTeardown()
schema := `["string", "null"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
str := "foo"
err = enc.Encode(&str)
require.NoError(t, err)
assert.Equal(t, []byte{0x00, 0x06, 0x66, 0x6F, 0x6F}, buf.Bytes())
}
func TestEncoder_UnionPtrNull(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var str *string
err = enc.Encode(str)
require.NoError(t, err)
assert.Equal(t, []byte{0x00}, buf.Bytes())
}
func TestEncoder_UnionPtrReversedNull(t *testing.T) {
defer ConfigTeardown()
schema := `["string", "null"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var str *string
err = enc.Encode(str)
require.NoError(t, err)
assert.Equal(t, []byte{0x02}, buf.Bytes())
}
func TestEncoder_UnionPtrNotNullable(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "string", "int"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
str := "test"
err = enc.Encode(&str)
assert.Error(t, err)
}
func TestEncoder_UnionNullableSlice(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "bytes"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
b := []byte("foo")
err = enc.Encode(b)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x06, 0x66, 0x6F, 0x6F}, buf.Bytes())
}
func TestEncoder_UnionNullableSliceNull(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "bytes"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var b []byte
err = enc.Encode(b)
require.NoError(t, err)
assert.Equal(t, []byte{0x00}, buf.Bytes())
}
func TestEncoder_UnionInterface(t *testing.T) {
defer ConfigTeardown()
schema := `["int", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var val any = "foo"
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x06, 0x66, 0x6F, 0x6F}, buf.Bytes())
}
func TestEncoder_UnionInterfaceRecord(t *testing.T) {
defer ConfigTeardown()
avro.Register("test", &TestRecord{})
schema := `["int", {"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)
var val any = &TestRecord{A: 27, B: "foo"}
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x36, 0x06, 0x66, 0x6F, 0x6F}, buf.Bytes())
}
func TestEncoder_UnionInterfaceRecordNonPtr(t *testing.T) {
defer ConfigTeardown()
avro.Register("test", TestRecord{})
schema := `["int", {"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)
var val any = TestRecord{A: 27, B: "foo"}
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x36, 0x06, 0x66, 0x6F, 0x6F}, buf.Bytes())
}
func TestEncoder_UnionInterfaceMap(t *testing.T) {
defer ConfigTeardown()
avro.Register("map:int", map[string]int{})
schema := `["int", {"type": "map", "values": "int"}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var val any = map[string]int{"foo": 27}
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x01, 0x0a, 0x06, 0x66, 0x6f, 0x6f, 0x36, 0x00}, buf.Bytes())
}
func TestEncoder_UnionInterfaceInMapWithBool(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"map", "values": ["null", "boolean"]}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(map[string]any{"foo": true})
require.NoError(t, err)
assert.Equal(t, []byte{0x01, 0x0c, 0x06, 0x66, 0x6F, 0x6F, 0x02, 0x01, 0x00}, buf.Bytes())
}
func TestEncoder_UnionInterfaceArray(t *testing.T) {
defer ConfigTeardown()
avro.Register("array:int", []int{})
schema := `["int", {"type": "array", "items": "int"}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var val any = []int{27}
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x01, 0x02, 0x36, 0x00}, buf.Bytes())
}
func TestEncoder_UnionInterfaceNull(t *testing.T) {
defer ConfigTeardown()
schema := `{"type": "record", "name": "test", "fields" : [{"name": "a", "type": ["null", "string", "int"]}]}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(&TestUnion{A: nil})
require.NoError(t, err)
assert.Equal(t, []byte{0x00}, buf.Bytes())
}
func TestEncoder_UnionInterfaceNamed(t *testing.T) {
defer ConfigTeardown()
avro.Register("test", "")
schema := `["null", {"type":"enum", "name": "test", "symbols": ["A", "B"]}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var val any = "B"
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x02}, buf.Bytes())
}
func TestEncoder_UnionInterfaceWithTime(t *testing.T) {
defer ConfigTeardown()
schema := `["null", {"type": "long", "logicalType": "timestamp-micros"}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var val any = time.Date(2020, 1, 2, 3, 4, 5, 0, time.UTC)
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x80, 0xCD, 0xB7, 0xA2, 0xEE, 0xC7, 0xCD, 0x05}, buf.Bytes())
}
func TestEncoder_UnionInterfaceWithDuration(t *testing.T) {
defer ConfigTeardown()
schema := `["null", {"type": "int", "logicalType": "time-millis"}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var val any = 123456789 * time.Millisecond
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0xAA, 0xB4, 0xDE, 0x75}, buf.Bytes())
}
func TestEncoder_UnionInterfaceWithDecimal(t *testing.T) {
defer ConfigTeardown()
t.Run("low scale", func(t *testing.T) {
schema := `["null", {"type": "bytes", "logicalType": "decimal", "precision": 4, "scale": 2}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var val any = big.NewRat(1734, 5)
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x6, 0x00, 0x87, 0x78}, buf.Bytes())
})
t.Run("high scale", func(t *testing.T) {
schema := `["null", {"type": "bytes", "logicalType": "decimal", "precision": 77, "scale": 38}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var val any = big.NewRat(1734, 5)
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x2, 0x22, 0x65, 0xea, 0x55, 0xc, 0x11, 0x8, 0xf7, 0xc3, 0xb8, 0xec, 0x53, 0xff, 0x80, 0x0, 0x0, 0x0, 0x0}, buf.Bytes())
})
}
func TestEncoder_UnionInterfaceWithUUID(t *testing.T) {
defer ConfigTeardown()
schema := `["null", {"type": "string", "logicalType": "uuid"}]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var val any = "f36e589a-3a52-492b-b95c-dad345e8d2ac"
err = enc.Encode(val)
require.NoError(t, err)
assert.Equal(t, []byte{0x2, 0x48, 0x66, 0x33, 0x36, 0x65, 0x35, 0x38, 0x39, 0x61, 0x2d, 0x33, 0x61, 0x35, 0x32, 0x2d, 0x34, 0x39, 0x32, 0x62, 0x2d, 0x62, 0x39, 0x35, 0x63, 0x2d, 0x64, 0x61, 0x64, 0x33, 0x34, 0x35, 0x65, 0x38, 0x64, 0x32, 0x61, 0x63}, buf.Bytes())
}
func TestEncoder_UnionInterfaceUnregisteredType(t *testing.T) {
defer ConfigTeardown()
schema := `["int", {"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)
var val any = &TestRecord{}
err = enc.Encode(val)
assert.Error(t, err)
}
func TestEncoder_UnionInterfaceNotInSchema(t *testing.T) {
defer ConfigTeardown()
avro.Register("test", &TestRecord{})
schema := `["int", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
var val any = &TestRecord{}
err = enc.Encode(val)
assert.Error(t, err)
}