SONAR-10397 Fix inconsistent list of files in "Code" tab with +100 files (#3129)

2 files changed, 68 insertions, 0 deletions

diff --git a/server/sonar-web/src/main/js/apps/code/bucket.ts b/server/sonar-web/src/main/js/apps/code/bucket.ts
index 8fc8bce8e65..dd172ca8eef 100644
--- a/server/sonar-web/src/main/js/apps/code/bucket.ts
+++ b/server/sonar-web/src/main/js/apps/code/bucket.ts
@@ -43,6 +43,10 @@ export function addComponentChildren(
   total: number,
   page: number
 ): void {
+  const previous = getComponentChildren(componentKey);
+  if (previous) {
+    children = [...previous.children, ...children];
+  }
   childrenBucket[componentKey] = { children, total, page };
 }
 
diff --git a/server/sonar-web/src/main/js/apps/code/components/__tests__/buckets-test.tsx b/server/sonar-web/src/main/js/apps/code/components/__tests__/buckets-test.tsx
new file mode 100644
index 00000000000..9ccf00c799d
--- /dev/null
+++ b/server/sonar-web/src/main/js/apps/code/components/__tests__/buckets-test.tsx
@@ -0,0 +1,64 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2018 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+import { Component } from '../../types';
+import {
+  addComponent,
+  getComponent,
+  addComponentChildren,
+  getComponentChildren
+} from '../../bucket';
+
+const component: Component = { key: 'frodo', name: 'frodo', qualifier: 'frodo' };
+
+const componentKey: string = 'foo';
+const childrenA: Component[] = [
+  { key: 'foo', name: 'foo', qualifier: 'foo' },
+  { key: 'bar', name: 'bar', qualifier: 'bar' }
+];
+const childrenB: Component[] = [
+  { key: 'bart', name: 'bart', qualifier: 'bart' },
+  { key: 'simpson', name: 'simpson', qualifier: 'simpson' }
+];
+
+it('should have empty bucket at start', () => {
+  expect(getComponent(component.key)).toBeUndefined();
+});
+
+it('should be able to store components in a bucket', () => {
+  addComponent(component);
+  expect(getComponent(component.key)).toEqual(component);
+});
+
+it('should have empty children bucket at start', () => {
+  expect(getComponentChildren(componentKey)).toBeUndefined();
+});
+
+it('should be able to store children components in a bucket', () => {
+  addComponentChildren(componentKey, childrenA, childrenA.length, 1);
+  expect(getComponentChildren(componentKey).children).toEqual(childrenA);
+});
+
+it('should append new children components at the end of the bucket', () => {
+  addComponentChildren(componentKey, childrenB, 4, 2);
+  const finalBucket = getComponentChildren(componentKey);
+  expect(finalBucket.children).toEqual([...childrenA, ...childrenB]);
+  expect(finalBucket.total).toBe(4);
+  expect(finalBucket.page).toBe(2);
+});