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decoder_fixed_test.go
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package avro_test
import (
"bytes"
"fmt"
"math/big"
"testing"
"github.com/hamba/avro/v2"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDecoder_FixedInvalidType(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x66, 0x6F, 0x6F, 0x66, 0x6F, 0x6F}
schema := `{"type":"fixed", "name": "test", "size": 6}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var i [6]int
err = dec.Decode(&i)
assert.Error(t, err)
}
func TestDecoder_Fixed(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x66, 0x6F, 0x6F, 0x66, 0x6F, 0x6F}
schema := `{"type":"fixed", "name": "test", "size": 6}`
dec, _ := avro.NewDecoder(schema, bytes.NewReader(data))
var got [6]byte
err := dec.Decode(&got)
require.NoError(t, err)
assert.Equal(t, [6]byte{'f', 'o', 'o', 'f', 'o', 'o'}, got)
}
func TestDecoder_FixedRat_Positive(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x00, 0x00, 0x00, 0x00, 0x87, 0x78}
schema := `{"type":"fixed", "name": "test", "size": 6,"logicalType":"decimal","precision":4,"scale":2}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
got := &big.Rat{}
err = dec.Decode(got)
require.NoError(t, err)
assert.Equal(t, big.NewRat(1734, 5), got)
}
func TestDecoder_FixedRat_Negative(t *testing.T) {
defer ConfigTeardown()
data := []byte{0xFF, 0xFF, 0xFF, 0xFF, 0x78, 0x88}
schema := `{"type":"fixed", "name": "test", "size": 6, "logicalType":"decimal","precision":4,"scale":2}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
got := &big.Rat{}
err = dec.Decode(got)
require.NoError(t, err)
assert.Equal(t, big.NewRat(-1734, 5), got)
}
func TestDecoder_FixedRat_Zero(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
schema := `{"type":"fixed", "name": "test", "size": 6,"logicalType":"decimal","precision":4,"scale":2}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
got := &big.Rat{}
err = dec.Decode(got)
require.NoError(t, err)
assert.Equal(t, big.NewRat(0, 1), got)
}
func TestDecoder_FixedRatInvalidLogicalSchema(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
schema := `{"type":"fixed", "name": "test", "size": 6}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
got := &big.Rat{}
err = dec.Decode(got)
assert.Error(t, err)
}
func TestDecoder_FixedLogicalDuration(t *testing.T) {
defer ConfigTeardown()
data := []byte{0xc, 0x0, 0x0, 0x0, 0x22, 0x0, 0x0, 0x0, 0x52, 0xaa, 0x8, 0x0}
schema := `{"name":"foo","type":"fixed","logicalType":"duration","size":12}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
got := avro.LogicalDuration{}
err = dec.Decode(&got)
require.NoError(t, err)
assert.Equal(t, uint32(12), got.Months)
assert.Equal(t, uint32(34), got.Days)
assert.Equal(t, uint32(567890), got.Milliseconds)
}
func TestDecoder_FixedLogicalDurationSizeNot12(t *testing.T) {
defer ConfigTeardown()
data := []byte{0xc, 0x0, 0x0, 0x0, 0x22, 0x0, 0x0, 0x0, 0x52, 0xaa, 0x8}
schema := `{"name":"foo","type":"fixed","logicalType":"duration","size":11}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
fmt.Printf("decoder: starting test\n")
got := avro.LogicalDuration{}
err = dec.Decode(&got)
assert.Error(t, err)
assert.Equal(t, fmt.Errorf("avro: avro.LogicalDuration is unsupported for Avro fixed, size=11"), err)
}