Add unit tests

services/blockchain-indexer/shared/dataService/business/generators.js

@@ -67,4 +67,7 @@ module.exports = {
 	reloadGeneratorsCache,
 	getGenerators,
 	getNumberOfGenerators,
+
+	// For unit tests
+	getGeneratorsInfo,
 };

services/blockchain-indexer/tests/unit/shared/dataservice/business/generators.test.js

@@ -0,0 +1,101 @@
+/*
+ * LiskHQ/lisk-service
+ * Copyright © 2023 Lisk Foundation
+ *
+ * See the LICENSE file at the top-level directory of this distribution
+ * for licensing information.
+ *
+ * Unless otherwise agreed in a custom licensing agreement with the Lisk Foundation,
+ * no part of this software, including this file, may be copied, modified,
+ * propagated, or distributed except according to the terms contained in the
+ * LICENSE file.
+ *
+ * Removal or modification of this copyright notice is prohibited.
+ *
+ */
+/* eslint-disable import/no-dynamic-require */
+const { resolve } = require('path');
+
+const mockValidatorUtilsPath = resolve(`${__dirname}/../../../../../shared/utils/validator`);
+const mockRequestPath = resolve(`${__dirname}/../../../../../shared/utils/request`);
+const mockedGeneratorsPath = resolve(
+	`${__dirname}/../../../../../shared/dataService/business/generators`,
+);
+const mockedPosPath = resolve(`${__dirname}/../../../../../shared/dataService/business/pos`);
+
+beforeEach(() => {
+	jest.resetModules();
+	jest.clearAllMocks();
+});
+
+jest.mock('lisk-service-framework', () => {
+	const actual = jest.requireActual('lisk-service-framework');
+	return {
+		...actual,
+		DB: {
+			MySQL: {
+				getTableInstance: jest.fn(() => ({
+					find: jest.fn(() => [
+						{ publicKey: 'fe50ee28b084414499465ff823e7d651c9d19d75d33a82c44b2a15e3dc62bac9' },
+					]),
+				})),
+				KVStore: {
+					...actual.DB.MySQL.KVStore,
+					configureKeyValueTable: jest.fn(),
+					getKeyValueTable: jest.fn(),
+				},
+			},
+		},
+		CacheRedis: jest.fn(),
+		CacheLRU: jest.fn(),
+	};
+});
+
+describe('getGeneratorsInfo', () => {
+	it('should return generators list', async () => {
+		jest.mock(mockRequestPath, () => ({
+			requestConnector: jest.fn(() => ({
+				list: [
+					{
+						address: 'lsky2j2fnmhxushe5ywvdw4ouvxg8s4aeo4a7bpxb',
+						nextAllocatedTime: 1699615180,
+					},
+				],
+			})),
+		}));
+
+		jest.mock(mockValidatorUtilsPath, () => ({
+			getNameByAddress: jest.fn(() => 'testGenerator_1'),
+		}));
+
+		const { getGeneratorsInfo } = require(mockedGeneratorsPath);
+		const generators = await getGeneratorsInfo();
+		const expectedResponse = [
+			{
+				address: 'lsky2j2fnmhxushe5ywvdw4ouvxg8s4aeo4a7bpxb',
+				name: 'testGenerator_1',
+				nextAllocatedTime: 1699615180,
+				publicKey: 'fe50ee28b084414499465ff823e7d651c9d19d75d33a82c44b2a15e3dc62bac9',
+			},
+		];
+		expect(generators.length).toBeGreaterThanOrEqual(1);
+		expect(generators).toEqual(expectedResponse);
+	});
+});
+
+describe('getNumberOfGenerators', () => {
+	it('should return number of generators in one round', async () => {
+		jest.mock(mockedPosPath, () => ({
+			getPosConstants: jest.fn(() => ({
+				data: {
+					numberActiveValidators: 101,
+					numberStandbyValidators: 2,
+				},
+			})),
+		}));
+
+		const { getNumberOfGenerators } = require(mockedGeneratorsPath);
+		const numOfGenerators = await getNumberOfGenerators();
+		expect(numOfGenerators).toBe(103);
+	});
+});