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encoder_union_test.go
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package avro_test
import (
"bytes"
"testing"
"github.com/hamba/avro"
"github.com/stretchr/testify/assert"
)
func TestEncoder_UnionMap(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
assert.NoError(t, err)
err = enc.Encode(map[string]interface{}{"string": "foo"})
assert.NoError(t, err)
assert.Equal(t, []byte{0x02, 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)
assert.NoError(t, err)
err = enc.Encode(map[string]interface{}{"test": "bar"})
assert.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)
assert.NoError(t, err)
var m map[string]interface{}
err = enc.Encode(m)
assert.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)
assert.NoError(t, err)
err = enc.Encode(map[string]interface{}{"string": "foo", "int": 27})
assert.Error(t, err)
}
func TestEncoder_UnionMapInvalidType(t *testing.T) {
defer ConfigTeardown()
schema := `["null", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
assert.NoError(t, err)
err = enc.Encode(map[string]interface{}{"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)
assert.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)
assert.NoError(t, err)
str := "foo"
err = enc.Encode(&str)
assert.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)
assert.NoError(t, err)
str := "foo"
err = enc.Encode(&str)
assert.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)
assert.NoError(t, err)
var str *string
err = enc.Encode(str)
assert.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)
assert.NoError(t, err)
var str *string
err = enc.Encode(str)
assert.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)
assert.NoError(t, err)
str := "test"
err = enc.Encode(&str)
assert.Error(t, err)
}
func TestEncoder_UnionInterface(t *testing.T) {
defer ConfigTeardown()
schema := `["int", "string"]`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
assert.NoError(t, err)
var val interface{} = "foo"
err = enc.Encode(val)
assert.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)
assert.NoError(t, err)
var val interface{} = &TestRecord{A: 27, B: "foo"}
err = enc.Encode(val)
assert.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)
assert.NoError(t, err)
var val interface{} = TestRecord{A: 27, B: "foo"}
err = enc.Encode(val)
assert.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)
assert.NoError(t, err)
var val interface{} = map[string]int{"foo": 27}
err = enc.Encode(val)
assert.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)
assert.NoError(t, err)
err = enc.Encode(map[string]interface{}{"foo": true})
assert.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)
assert.NoError(t, err)
var val interface{} = []int{27}
err = enc.Encode(val)
assert.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)
assert.NoError(t, err)
err = enc.Encode(&TestUnion{A: nil})
assert.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)
assert.NoError(t, err)
var val interface{} = "B"
err = enc.Encode(val)
assert.NoError(t, err)
assert.Equal(t, []byte{0x02, 0x02}, 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)
assert.NoError(t, err)
var val interface{} = &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)
assert.NoError(t, err)
var val interface{} = &TestRecord{}
err = enc.Encode(val)
assert.Error(t, err)
}