fm-rds-tx/internal/ingest/factory/ingest_smoke_test.go

package factory

import (
	"context"
	"testing"
	"time"

	"github.com/jan/fm-rds-tx/internal/audio"
	"github.com/jan/fm-rds-tx/internal/config"
	"github.com/jan/fm-rds-tx/internal/ingest"
)

func TestHTTPRawFactoryToRuntimeSmoke(t *testing.T) {
	cfg := config.Default()
	cfg.Ingest.Kind = "http-raw"
	cfg.Ingest.HTTPRaw.SampleRateHz = 44100
	cfg.Ingest.HTTPRaw.Channels = 2

	src, ingress, err := BuildSource(cfg, Deps{})
	if err != nil {
		t.Fatalf("build source: %v", err)
	}
	if src == nil || ingress == nil {
		t.Fatalf("expected source and ingress for kind=http-raw")
	}

	sink := audio.NewStreamSource(128, cfg.Ingest.HTTPRaw.SampleRateHz)
	rt := ingest.NewRuntime(sink, src)
	if err := rt.Start(context.Background()); err != nil {
		t.Fatalf("runtime start: %v", err)
	}
	defer rt.Stop()

	// Two stereo frames: L1,R1,L2,R2 (S16LE).
	frames, err := ingress.WritePCM16([]byte{
		0xE8, 0x03, 0x18, 0xFC,
		0xD0, 0x07, 0x30, 0xF8,
	})
	if err != nil {
		t.Fatalf("write pcm16: %v", err)
	}
	if frames != 2 {
		t.Fatalf("frames=%d want 2", frames)
	}

	waitForSinkFrames(t, sink, 2)

	stats := rt.Stats()
	if stats.Active.Kind != "http-raw" {
		t.Fatalf("active kind=%q want http-raw", stats.Active.Kind)
	}
	if stats.Source.ChunksIn != 1 {
		t.Fatalf("source chunksIn=%d want 1", stats.Source.ChunksIn)
	}
	if stats.Source.SamplesIn != 4 {
		t.Fatalf("source samplesIn=%d want 4", stats.Source.SamplesIn)
	}
	if stats.Runtime.State != "running" {
		t.Fatalf("runtime state=%q want running", stats.Runtime.State)
	}
	if stats.Runtime.LastChunkAt.IsZero() {
		t.Fatalf("runtime lastChunkAt should be set")
	}
}

func waitForSinkFrames(t *testing.T, sink *audio.StreamSource, minFrames int) {
	t.Helper()
	deadline := time.Now().Add(1 * time.Second)
	for time.Now().Before(deadline) {
		if sink.Available() >= minFrames {
			return
		}
		time.Sleep(10 * time.Millisecond)
	}
	t.Fatalf("timeout waiting for sink frames: have=%d want>=%d", sink.Available(), minFrames)
}