smartdata/test/test.distributedcoordinator.ts
2023-08-12 23:32:02 +02:00

105 lines
4.6 KiB
TypeScript

import { tap, expect } from '@push.rocks/tapbundle';
import * as smartmongo from '@push.rocks/smartmongo';
import type * as taskbuffer from '@push.rocks/taskbuffer';
import * as smartdata from '../ts/index.js';
import { SmartdataDistributedCoordinator, DistributedClass } from '../ts/smartdata.classes.distributedcoordinator.js'; // path might need adjusting
const totalInstances = 10;
// =======================================
// Connecting to the database server
// =======================================
let smartmongoInstance: smartmongo.SmartMongo;
let testDb: smartdata.SmartdataDb;
tap.test('should create a testinstance as database', async () => {
smartmongoInstance = await smartmongo.SmartMongo.createAndStart();
testDb = new smartdata.SmartdataDb(await smartmongoInstance.getMongoDescriptor());
await testDb.init();
});
tap.test('should instantiate DistributedClass', async (tools) => {
const instance = new DistributedClass();
expect(instance).toBeInstanceOf(DistributedClass);
});
tap.test('DistributedClass should update the time', async (tools) => {
const distributedCoordinator = new SmartdataDistributedCoordinator(testDb);
await distributedCoordinator.start();
console.log('test: started');
const initialTime = distributedCoordinator.ownInstance.data.lastUpdated;
await distributedCoordinator.sendHeartbeat();
console.log('test: sent heartbeat');
const updatedTime = distributedCoordinator.ownInstance.data.lastUpdated;
expect(updatedTime).toBeGreaterThan(initialTime);
await distributedCoordinator.stop();
});
tap.test('should instantiate SmartdataDistributedCoordinator', async (tools) => {
const coordinator = new SmartdataDistributedCoordinator(testDb);
await coordinator.start();
expect(coordinator).toBeInstanceOf(SmartdataDistributedCoordinator);
await coordinator.stop();
});
tap.test('SmartdataDistributedCoordinator should update leader status', async (tools) => {
const coordinator = new SmartdataDistributedCoordinator(testDb);
await coordinator.start();
await coordinator.checkAndMaybeLead();
expect(coordinator.ownInstance.data.elected).toBeOneOf([true, false]);
await coordinator.stop();
process.exit(0);
});
tap.test('SmartdataDistributedCoordinator should handle distributed task requests', async (tools) => {
const coordinator = new SmartdataDistributedCoordinator(testDb);
await coordinator.start();
const mockTaskRequest: taskbuffer.distributedCoordination.IDistributedTaskRequest = {
submitterId: "mockSubmitter12345", // Some unique mock submitter ID
taskName: "SampleTask",
taskVersion: "1.0.0", // Assuming it's a version string
taskExecutionTime: Date.now(),
taskExecutionTimeout: 60000, // Let's say the timeout is 1 minute (60000 ms)
taskExecutionParallel: 5, // Let's assume max 5 parallel executions
status: 'requesting'
};
const response = await coordinator.fireDistributedTaskRequest(mockTaskRequest);
expect(response).toBeTruthy(); // based on your expected structure for the response
await coordinator.stop();
});
tap.test('SmartdataDistributedCoordinator should update distributed task requests', async (tools) => {
const coordinator = new SmartdataDistributedCoordinator(testDb);
await coordinator.start();
const mockTaskRequest: taskbuffer.distributedCoordination.IDistributedTaskRequest = {
submitterId: "mockSubmitter12345", // Some unique mock submitter ID
taskName: "SampleTask",
taskVersion: "1.0.0", // Assuming it's a version string
taskExecutionTime: Date.now(),
taskExecutionTimeout: 60000, // Let's say the timeout is 1 minute (60000 ms)
taskExecutionParallel: 5, // Let's assume max 5 parallel executions
status: 'requesting'
};
await coordinator.updateDistributedTaskRequest(mockTaskRequest);
// Here, we can potentially check if a DB entry got updated or some other side-effect of the update method.
});
tap.test('should elect only one leader amongst multiple instances', async (tools) => {
const coordinators = Array.from({ length: totalInstances }).map(() => new SmartdataDistributedCoordinator(testDb));
await Promise.all(coordinators.map(coordinator => coordinator.init()));
await Promise.all(coordinators.map(coordinator => coordinator.checkAndMaybeLead()));
const leaders = coordinators.filter(coordinator => coordinator.ownInstance.data.elected);
expect(leaders.length).toEqual(1);
});
tap.start({ throwOnError: true });