Improve test suite (#628)

Signed-off-by: Thomas Miceli <tho.miceli@gmail.com>

internal/web/handlers/health/healthcheck_test.go

@@ -0,0 +1,30 @@
+package health_test
+
+import (
+	"encoding/json"
+	"io"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	webtest "github.com/thomiceli/opengist/internal/web/test"
+)
+
+func TestHealthcheck(t *testing.T) {
+	s := webtest.Setup(t)
+	defer webtest.Teardown(t)
+
+	t.Run("OK", func(t *testing.T) {
+		resp := s.Request(t, "GET", "/healthcheck", nil, 200)
+
+		body, err := io.ReadAll(resp.Body)
+		require.NoError(t, err)
+
+		var result map[string]interface{}
+		err = json.Unmarshal(body, &result)
+		require.NoError(t, err)
+
+		require.Equal(t, "ok", result["opengist"])
+		require.Equal(t, "ok", result["database"])
+		require.NotEmpty(t, result["time"])
+	})
+}