fm-rds-tx/internal/control/control_test.go

package control

import (
	"bytes"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

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

func TestHealthz(t *testing.T) {
	srv := NewServer(cfgpkg.Default())
	req := httptest.NewRequest(http.MethodGet, "/healthz", nil)
	rec := httptest.NewRecorder()
	srv.Handler().ServeHTTP(rec, req)
	if rec.Code != http.StatusOK {
		t.Fatalf("unexpected status: %d", rec.Code)
	}
}

func TestStatus(t *testing.T) {
	srv := NewServer(cfgpkg.Default())
	req := httptest.NewRequest(http.MethodGet, "/status", nil)
	rec := httptest.NewRecorder()
	srv.Handler().ServeHTTP(rec, req)
	if rec.Code != http.StatusOK {
		t.Fatalf("unexpected status: %d", rec.Code)
	}
	var body map[string]any
	if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
		t.Fatalf("decode body: %v", err)
	}
	if body["service"] != "fm-rds-tx" {
		t.Fatalf("unexpected service: %v", body["service"])
	}
	if _, ok := body["preEmphasisUS"]; !ok {
		t.Fatal("expected preEmphasisUS in status")
	}
}

func TestDryRunEndpoint(t *testing.T) {
	srv := NewServer(cfgpkg.Default())
	req := httptest.NewRequest(http.MethodGet, "/dry-run", nil)
	rec := httptest.NewRecorder()
	srv.Handler().ServeHTTP(rec, req)
	if rec.Code != http.StatusOK {
		t.Fatalf("unexpected status: %d", rec.Code)
	}
	var body map[string]any
	if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
		t.Fatalf("decode body: %v", err)
	}
	if body["mode"] != "dry-run" {
		t.Fatalf("unexpected mode: %v", body["mode"])
	}
}

func TestConfigPatch(t *testing.T) {
	srv := NewServer(cfgpkg.Default())
	body := []byte(`{"toneLeftHz":900,"radioText":"hello world","preEmphasisUS":75}`)
	req := httptest.NewRequest(http.MethodPost, "/config", bytes.NewReader(body))
	rec := httptest.NewRecorder()
	srv.Handler().ServeHTTP(rec, req)
	if rec.Code != http.StatusOK {
		t.Fatalf("unexpected status: %d body=%s", rec.Code, rec.Body.String())
	}

	getReq := httptest.NewRequest(http.MethodGet, "/config", nil)
	getRec := httptest.NewRecorder()
	srv.Handler().ServeHTTP(getRec, getReq)
	if getRec.Code != http.StatusOK {
		t.Fatalf("unexpected status: %d", getRec.Code)
	}
}