[#174] Add router tests

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

api/router_test.go

@@ -0,0 +1,75 @@
+package api
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"testing"
+	"time"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/metrics"
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+	"github.com/stretchr/testify/require"
+	"go.uber.org/zap/zaptest"
+)
+
+func TestRouterUploadPart(t *testing.T) {
+	chiRouter := prepareRouter(t)
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodPut, "/dkirillov/fix-object", nil)
+	query := make(url.Values)
+	query.Set("uploadId", "some-id")
+	query.Set("partNumber", "1")
+	r.URL.RawQuery = query.Encode()
+
+	chiRouter.ServeHTTP(w, r)
+	resp := readResponse(t, w)
+	require.Equal(t, "UploadPart", resp.Method)
+}
+
+func TestRouterObjectWithSlashes(t *testing.T) {
+	chiRouter := prepareRouter(t)
+
+	bktName, objName := "dkirillov", "/fix/object"
+	target := fmt.Sprintf("/%s/%s", bktName, objName)
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodPut, target, nil)
+
+	chiRouter.ServeHTTP(w, r)
+	resp := readResponse(t, w)
+	require.Equal(t, "PutObject", resp.Method)
+	require.Equal(t, objName, resp.ReqInfo.ObjectName)
+}
+
+func prepareRouter(t *testing.T) *chi.Mux {
+	throttleOps := middleware.ThrottleOpts{
+		Limit:          10,
+		BacklogTimeout: 30 * time.Second,
+	}
+
+	handleMock := &handlerMock{t: t}
+	cntrMock := &centerMock{}
+	log := zaptest.NewLogger(t)
+	metric := &metrics.AppMetrics{}
+
+	chiRouter := chi.NewRouter()
+	AttachChi(chiRouter, nil, throttleOps, handleMock, cntrMock, log, metric)
+	return chiRouter
+}
+
+func readResponse(t *testing.T, w *httptest.ResponseRecorder) handlerResult {
+	var res handlerResult
+
+	resData, err := io.ReadAll(w.Result().Body)
+	require.NoError(t, err)
+
+	err = json.Unmarshal(resData, &res)
+	require.NoErrorf(t, err, "actual body: '%s'", string(resData))
+	return res
+}