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https://github.com/warmbly/warmbly.git
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Matthew Meszaros
4080258606
Codec interface (Serialize / Deserialize / Name) lets payload encoding
decouple from the transport choice. Two implementations:
AvroCodec - wraps the existing kafka.Avrov2 Schema Registry client
via NewAvroFromClient. Preserves identical wire format
for production deployments already on Kafka + SR.
JSONCodec - encoding/json based. No external dependency, suitable
for self-hosters who don't want a Schema Registry.
Factory FromEnv selects via CODEC_PROVIDER (default avro).
Once codec.Codec is in the worker boot and publisher, self-hosters can
pick EVENTBUS_PROVIDER=nats CODEC_PROVIDER=json for a Schema-Registry-
free deployment.
11 tests cover JSON round-trip, nil guards, factory paths, and Avro
interface conformance.
47 lines
1.4 KiB
Go
47 lines
1.4 KiB
Go
package codec
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import (
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"context"
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"testing"
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)
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// Full round-trip coverage for AvroCodec requires a live Confluent Schema
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// Registry, which is out of scope for unit tests in this package. The
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// integration path is exercised end-to-end by cmd/worker / cmd/backend /
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// cmd/consumer against a real registry. These tests cover the parts that can
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// be verified in isolation: interface conformance, naming, and the
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// nil-serializer guard added by the wrapper.
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func TestAvroCodec_Name(t *testing.T) {
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c := &AvroCodec{}
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if got := c.Name(); got != "avro" {
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t.Fatalf("expected name 'avro', got %q", got)
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}
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}
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func TestAvroCodec_SerializeWithoutClient(t *testing.T) {
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c := &AvroCodec{}
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if _, err := c.Serialize(context.Background(), "topic", struct{}{}); err == nil {
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t.Fatal("expected error when serializer is not configured")
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}
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}
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func TestAvroCodec_DeserializeWithoutClient(t *testing.T) {
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c := &AvroCodec{}
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var target struct{}
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if err := c.Deserialize(context.Background(), "topic", []byte{0x01}, &target); err == nil {
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t.Fatal("expected error when deserializer is not configured")
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}
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}
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func TestAvroCodec_NilReceiverIsSafe(t *testing.T) {
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var c *AvroCodec
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if _, err := c.Serialize(context.Background(), "topic", struct{}{}); err == nil {
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t.Fatal("expected error on nil receiver")
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}
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var target struct{}
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if err := c.Deserialize(context.Background(), "topic", nil, &target); err == nil {
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t.Fatal("expected error on nil receiver")
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}
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}
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