Collections: allow to drag and drop to change book position

internal/apitest/fetchallcollections_test.go

@@ -12,8 +12,8 @@ import (
 func TestFetchAllCollections_OK(t *testing.T) {
 	status, res := testFetchCollections(t, "10", "0")
 	assert.Equal(t, http.StatusOK, status)
-	assert.Equal(t, int64(3), res.Count)
-	assert.Equal(t, 3, len(res.Collections))
+	assert.Equal(t, int64(4), res.Count)
+	assert.Equal(t, 4, len(res.Collections))
 }
 
 func testFetchCollections(t *testing.T, limit string, offset string) (int, dto.CollectionItemsGet) {

internal/apitest/post_collection_changeposition_test.go

@@ -0,0 +1,113 @@
+package apitest
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"git.artlef.fr/bibliomane/internal/testutils"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPostCollectionChangePositionHandler_PositionOk(t *testing.T) {
+	payload :=
+		`{
+			"itemId": 14,
+			"position": 2
+		}`
+	collectionId := "5"
+	status := testPostCollectionChangePositionHandler(collectionId, payload)
+	assert.Equal(t, http.StatusOK, status)
+	_, collection := testGetCollection(t, collectionId, "10", "0")
+	assert.Equal(t, uint(1), collection.Items[0].Position)
+	assert.Equal(t, uint(2), collection.Items[1].Position)
+	assert.Equal(t, uint(3), collection.Items[2].Position)
+	assert.Equal(t, uint(4), collection.Items[3].Position)
+}
+
+func TestPostCollectionChangePositionHandler_ChangeOtherElement(t *testing.T) {
+	payload :=
+		`{
+			"itemId": 17,
+			"position": 3
+		}`
+	collectionId := "5"
+	status := testPostCollectionChangePositionHandler(collectionId, payload)
+	assert.Equal(t, http.StatusOK, status)
+	_, collection := testGetCollection(t, collectionId, "10", "0")
+	assert.Equal(t, "Duo", collection.Items[3].Book.Title)
+}
+
+func TestPostCollectionChangePositionHandler_LastPosition(t *testing.T) {
+	payload :=
+		`{
+			"itemId": 19,
+			"position": 546
+		}`
+	collectionId := "5"
+	status := testPostCollectionChangePositionHandler(collectionId, payload)
+	assert.Equal(t, http.StatusOK, status)
+	_, collection := testGetCollection(t, collectionId, "10", "0")
+	assert.Equal(t, "Recherches philosophiques", collection.Items[7].Book.Title)
+	assert.Equal(t, "Le château", collection.Items[6].Book.Title)
+}
+
+func TestPostCollectionChangePositionHandler_FirstPosition(t *testing.T) {
+	payload :=
+		`{
+			"itemId": 16,
+			"position": 1
+		}`
+	collectionId := "5"
+	status := testPostCollectionChangePositionHandler(collectionId, payload)
+	assert.Equal(t, http.StatusOK, status)
+	_, collection := testGetCollection(t, collectionId, "10", "0")
+	assert.Equal(t, "Duo", collection.Items[0].Book.Title)
+}
+
+func TestPostCollectionChangePositionHandler_WrongPosition(t *testing.T) {
+	payload :=
+		`{
+			"itemId": 9,
+			"position": 0
+		}`
+	collectionId := "5"
+	status := testPostCollectionChangePositionHandler(collectionId, payload)
+	assert.Equal(t, http.StatusBadRequest, status)
+}
+
+func TestPostCollectionChangePositionHandler_MissingPosition(t *testing.T) {
+	payload :=
+		`{
+			"itemId": 9
+		}`
+	collectionId := "5"
+	status := testPostCollectionChangePositionHandler(collectionId, payload)
+	assert.Equal(t, http.StatusBadRequest, status)
+}
+
+func TestPostCollectionChangePositionWrongCollection(t *testing.T) {
+	payload :=
+		`{
+		  "itemId": 1,
+			"position": 9
+		}`
+	collectionId := "5"
+	status := testPostCollectionChangePositionHandler(collectionId, payload)
+	assert.Equal(t, http.StatusInternalServerError, status)
+}
+
+func testPostCollectionChangePositionHandler(collectionId string, payload string) int {
+	router := testutils.TestSetup()
+	w := httptest.NewRecorder()
+
+	token := testutils.ConnectDemoUser(router)
+	req, _ := http.NewRequest("POST", "/ws/collection/"+collectionId+"/changeposition",
+		strings.NewReader(payload))
+	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", token))
+	router.ServeHTTP(w, req)
+
+	return w.Code
+}