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|
package schema
import (
"encoding/binary"
"testing"
)
func TestParseConfluentEnvelope(t *testing.T) {
tests := []struct {
name string
input []byte
expectOK bool
expectID uint32
expectFormat Format
}{
{
name: "valid Avro message",
input: []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x10, 0x48, 0x65, 0x6c, 0x6c, 0x6f}, // schema ID 1 + "Hello"
expectOK: true,
expectID: 1,
expectFormat: FormatAvro,
},
{
name: "valid message with larger schema ID",
input: []byte{0x00, 0x00, 0x00, 0x04, 0xd2, 0x02, 0x66, 0x6f, 0x6f}, // schema ID 1234 + "foo"
expectOK: true,
expectID: 1234,
expectFormat: FormatAvro,
},
{
name: "too short message",
input: []byte{0x00, 0x00, 0x00},
expectOK: false,
},
{
name: "no magic byte",
input: []byte{0x01, 0x00, 0x00, 0x00, 0x01, 0x48, 0x65, 0x6c, 0x6c, 0x6f},
expectOK: false,
},
{
name: "empty message",
input: []byte{},
expectOK: false,
},
{
name: "minimal valid message",
input: []byte{0x00, 0x00, 0x00, 0x00, 0x01}, // schema ID 1, empty payload
expectOK: true,
expectID: 1,
expectFormat: FormatAvro,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
envelope, ok := ParseConfluentEnvelope(tt.input)
if ok != tt.expectOK {
t.Errorf("ParseConfluentEnvelope() ok = %v, want %v", ok, tt.expectOK)
return
}
if !tt.expectOK {
return // No need to check further if we expected failure
}
if envelope.SchemaID != tt.expectID {
t.Errorf("ParseConfluentEnvelope() schemaID = %v, want %v", envelope.SchemaID, tt.expectID)
}
if envelope.Format != tt.expectFormat {
t.Errorf("ParseConfluentEnvelope() format = %v, want %v", envelope.Format, tt.expectFormat)
}
// Verify payload extraction
expectedPayloadLen := len(tt.input) - 5 // 5 bytes for magic + schema ID
if len(envelope.Payload) != expectedPayloadLen {
t.Errorf("ParseConfluentEnvelope() payload length = %v, want %v", len(envelope.Payload), expectedPayloadLen)
}
})
}
}
func TestIsSchematized(t *testing.T) {
tests := []struct {
name string
input []byte
expect bool
}{
{
name: "schematized message",
input: []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x48, 0x65, 0x6c, 0x6c, 0x6f},
expect: true,
},
{
name: "non-schematized message",
input: []byte{0x48, 0x65, 0x6c, 0x6c, 0x6f}, // Just "Hello"
expect: false,
},
{
name: "empty message",
input: []byte{},
expect: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := IsSchematized(tt.input)
if result != tt.expect {
t.Errorf("IsSchematized() = %v, want %v", result, tt.expect)
}
})
}
}
func TestExtractSchemaID(t *testing.T) {
tests := []struct {
name string
input []byte
expectID uint32
expectOK bool
}{
{
name: "valid schema ID",
input: []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x48, 0x65, 0x6c, 0x6c, 0x6f},
expectID: 1,
expectOK: true,
},
{
name: "large schema ID",
input: []byte{0x00, 0x00, 0x00, 0x04, 0xd2, 0x02, 0x66, 0x6f, 0x6f},
expectID: 1234,
expectOK: true,
},
{
name: "no magic byte",
input: []byte{0x01, 0x00, 0x00, 0x00, 0x01},
expectID: 0,
expectOK: false,
},
{
name: "too short",
input: []byte{0x00, 0x00},
expectID: 0,
expectOK: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
id, ok := ExtractSchemaID(tt.input)
if ok != tt.expectOK {
t.Errorf("ExtractSchemaID() ok = %v, want %v", ok, tt.expectOK)
}
if id != tt.expectID {
t.Errorf("ExtractSchemaID() id = %v, want %v", id, tt.expectID)
}
})
}
}
func TestCreateConfluentEnvelope(t *testing.T) {
tests := []struct {
name string
format Format
schemaID uint32
indexes []int
payload []byte
expected []byte
}{
{
name: "simple Avro message",
format: FormatAvro,
schemaID: 1,
indexes: nil,
payload: []byte("Hello"),
expected: []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x48, 0x65, 0x6c, 0x6c, 0x6f},
},
{
name: "large schema ID",
format: FormatAvro,
schemaID: 1234,
indexes: nil,
payload: []byte("foo"),
expected: []byte{0x00, 0x00, 0x00, 0x04, 0xd2, 0x66, 0x6f, 0x6f},
},
{
name: "empty payload",
format: FormatAvro,
schemaID: 5,
indexes: nil,
payload: []byte{},
expected: []byte{0x00, 0x00, 0x00, 0x00, 0x05},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := CreateConfluentEnvelope(tt.format, tt.schemaID, tt.indexes, tt.payload)
if len(result) != len(tt.expected) {
t.Errorf("CreateConfluentEnvelope() length = %v, want %v", len(result), len(tt.expected))
return
}
for i, b := range result {
if b != tt.expected[i] {
t.Errorf("CreateConfluentEnvelope() byte[%d] = %v, want %v", i, b, tt.expected[i])
}
}
})
}
}
func TestEnvelopeValidate(t *testing.T) {
tests := []struct {
name string
envelope *ConfluentEnvelope
expectErr bool
}{
{
name: "valid Avro envelope",
envelope: &ConfluentEnvelope{
Format: FormatAvro,
SchemaID: 1,
Payload: []byte("Hello"),
},
expectErr: false,
},
{
name: "zero schema ID",
envelope: &ConfluentEnvelope{
Format: FormatAvro,
SchemaID: 0,
Payload: []byte("Hello"),
},
expectErr: true,
},
{
name: "empty payload",
envelope: &ConfluentEnvelope{
Format: FormatAvro,
SchemaID: 1,
Payload: []byte{},
},
expectErr: true,
},
{
name: "unknown format",
envelope: &ConfluentEnvelope{
Format: FormatUnknown,
SchemaID: 1,
Payload: []byte("Hello"),
},
expectErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
err := tt.envelope.Validate()
if (err != nil) != tt.expectErr {
t.Errorf("Envelope.Validate() error = %v, expectErr %v", err, tt.expectErr)
}
})
}
}
func TestEnvelopeMetadata(t *testing.T) {
envelope := &ConfluentEnvelope{
Format: FormatAvro,
SchemaID: 123,
Indexes: []int{1, 2, 3},
Payload: []byte("test"),
}
metadata := envelope.Metadata()
if metadata["schema_format"] != "AVRO" {
t.Errorf("Expected schema_format=AVRO, got %s", metadata["schema_format"])
}
if metadata["schema_id"] != "123" {
t.Errorf("Expected schema_id=123, got %s", metadata["schema_id"])
}
if metadata["protobuf_indexes"] != "1,2,3" {
t.Errorf("Expected protobuf_indexes=1,2,3, got %s", metadata["protobuf_indexes"])
}
}
// Benchmark tests for performance
func BenchmarkParseConfluentEnvelope(b *testing.B) {
// Create a test message
testMsg := make([]byte, 1024)
testMsg[0] = 0x00 // Magic byte
binary.BigEndian.PutUint32(testMsg[1:5], 123) // Schema ID
// Fill rest with dummy data
for i := 5; i < len(testMsg); i++ {
testMsg[i] = byte(i % 256)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, _ = ParseConfluentEnvelope(testMsg)
}
}
func BenchmarkIsSchematized(b *testing.B) {
testMsg := []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x48, 0x65, 0x6c, 0x6c, 0x6f}
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = IsSchematized(testMsg)
}
}
|
