health: basic health checker from the monitor

health/health_test.go

@@ -0,0 +1,27 @@
+package health
+
+import (
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestHealthHandler(t *testing.T) {
+
+	req := httptest.NewRequest(http.MethodGet, "/__health", nil)
+	w := httptest.NewRecorder()
+
+	basicHealth(w, req)
+
+	res := w.Result()
+	defer res.Body.Close()
+	data, err := io.ReadAll(res.Body)
+	if err != nil {
+		t.Errorf("expected error to be nil got %v", err)
+	}
+	if string(data) != "ok" {
+		t.Fail()
+		t.Errorf("expected ok got %q", string(data))
+	}
+}