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encoder_fixed_test.go
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encoder_fixed_test.go
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package avro_test
import (
"bytes"
"fmt"
"math"
"math/big"
"testing"
"github.com/hamba/avro/v2"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestEncoder_FixedInvalidType(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"fixed", "name": "test", "size": 6}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode([6]int{})
assert.Error(t, err)
}
func TestEncoder_Fixed(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"fixed", "name": "test", "size": 6}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode([6]byte{'f', 'o', 'o', 'f', 'o', 'o'})
require.NoError(t, err)
assert.Equal(t, []byte{0x66, 0x6F, 0x6F, 0x66, 0x6F, 0x6F}, buf.Bytes())
}
func TestEncoder_FixedRat_Positive(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"fixed", "name": "test", "size": 6,"logicalType":"decimal","precision":4,"scale":2}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(big.NewRat(1734, 5))
require.NoError(t, err)
assert.Equal(t, []byte{0x00, 0x00, 0x00, 0x00, 0x87, 0x78}, buf.Bytes())
}
func TestEncoder_FixedRat_Negative(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"fixed", "name": "test", "size": 6, "logicalType":"decimal","precision":4,"scale":2}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(big.NewRat(-1734, 5))
require.NoError(t, err)
assert.Equal(t, []byte{0xFF, 0xFF, 0xFF, 0xFF, 0x78, 0x88}, buf.Bytes())
}
func TestEncoder_FixedRat_Zero(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"fixed", "name": "test", "size": 6,"logicalType":"decimal","precision":4,"scale":2}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(big.NewRat(0, 1))
require.NoError(t, err)
assert.Equal(t, []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, buf.Bytes())
}
func TestEncoder_FixedRatInvalidLogicalSchema(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"fixed", "name": "test", "size": 6}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(big.NewRat(1734, 5))
assert.Error(t, err)
}
func TestEncoder_FixedLogicalDuration(t *testing.T) {
defer ConfigTeardown()
schema := `{"name":"foo","type":"fixed","logicalType":"duration","size":12}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
duration := avro.LogicalDuration{Months: 12, Days: 34, Milliseconds: 567890}
err = enc.Encode(duration)
require.NoError(t, err)
assert.Equal(t, []byte{0xc, 0x0, 0x0, 0x0, 0x22, 0x0, 0x0, 0x0, 0x52, 0xaa, 0x8, 0x0}, buf.Bytes())
}
func TestEncoder_FixedLogicalDurationSizeNot12(t *testing.T) {
defer ConfigTeardown()
schema := `{"name":"foo","type":"fixed","logicalType":"duration","size":11}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
duration := avro.LogicalDuration{}
err = enc.Encode(duration)
assert.Error(t, err)
assert.Equal(t, fmt.Errorf("avro: avro.LogicalDuration is unsupported for Avro fixed, size=11"), err)
}
func TestEncoder_FixedUint64_Full(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"fixed", "name": "test", "size": 8}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(uint64(math.MaxUint64))
require.NoError(t, err)
assert.Equal(t, []byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, buf.Bytes())
}
func TestEncoder_FixedUint64_Small(t *testing.T) {
defer ConfigTeardown()
schema := `{"type":"fixed", "name": "test", "size": 8}`
buf := bytes.NewBuffer([]byte{})
enc, err := avro.NewEncoder(schema, buf)
require.NoError(t, err)
err = enc.Encode(uint64(256))
require.NoError(t, err)
assert.Equal(t, []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00}, buf.Bytes())
}