[wallet/desktop] task: unit tests added for Mnemonic and MosaicAmountDisplay components

__tests__/components/MnemonicDisplay.spec.ts

@@ -0,0 +1,48 @@
+/*
+ * (C) Symbol Contributors 2022
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ *
+ */
+import MnemonicDisplay from '@/components/MnemonicDisplay/MnemonicDisplay.vue';
+import { MnemonicDisplayTs } from '@/components/MnemonicDisplay/MnemonicDisplayTs';
+import { getComponent } from '@MOCKS/Components';
+
+type Props = InstanceType<typeof MnemonicDisplayTs>['$props'];
+
+describe('components/MnemonicDisplay', () => {
+    const getMnemonicDisplayWrapper = (props: Props) => {
+        return getComponent(MnemonicDisplay, {}, {}, props);
+    };
+
+    test('render component', async () => {
+        // Arrange:
+        const expectedWords = ['Lorem', 'ipsum', 'dolor', 'sit', 'amet'];
+        const expectedClipboardString = 'Lorem ipsum dolor sit amet';
+        const props = {
+            words: expectedWords,
+        };
+
+        // Act:
+        const wrapper = getMnemonicDisplayWrapper(props);
+        const component = wrapper.vm as MnemonicDisplayTs;
+        const mnemonicContainerElement = wrapper.find('.mnemonic-list');
+        const wordElements = [...mnemonicContainerElement.element.children];
+        const wordsExtractedFromElements = wordElements.map((wordElement) => wordElement.textContent);
+        const clipboardString = wrapper.find('buttoncopytoclipboard-stub').attributes('value');
+
+        // Assert:
+        expect(wordsExtractedFromElements).toStrictEqual(expectedWords);
+        expect(clipboardString).toBe(expectedClipboardString);
+        expect(component.waitingCopyString).toBe(expectedClipboardString);
+    });
+});