omelop/dist/test/service/filterService.js

[](https://travis-ci.org/node-omelop/omelop)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const should = require("should");
// import { describe, it } from "mocha-typescript"
let FilterService = require('../../lib/common/service/filterService').FilterService;
let WAIT_TIME = 50;
let mockFilter1 = {
    before: function (record, msg, session, cb) {
        session.beforeCount1++;
        cb();
    },
    after: function (err, record, msg, session, resp, cb) {
        session.afterCount1++;
        cb();
    }
};
let mockFilter2 = {
    before: function (record, msg, session, cb) {
        session.beforeCount2++;
        cb();
    },
    after: function (err, record, msg, session, resp, cb) {
        session.afterCount2++;
        cb();
    }
};
let blackholdFilter = {
    before: function () {
    },
    after: function () {
    }
};
class MockSession {
    constructor() {
        this.beforeCount1 = 0;
        this.afterCount1 = 0;
        this.beforeCount2 = 0;
        this.afterCount2 = 0;
    }
}
describe('filter service test', function () {
    describe('#filter', function () {
        it('should register before filter by calling before method and fire filter chain by calling beforeFilter', function (done) {
            let session = new MockSession();
            let service = new FilterService();
            service.before(mockFilter1);
            service.before(mockFilter2);
            service.beforeFilter(null, {}, session, function () {
                should.exist(session);
                session.beforeCount1.should.equal(1);
                session.beforeCount2.should.equal(1);
                session.afterCount1.should.equal(0);
                session.afterCount2.should.equal(0);
                done();
            });
        });
        it('should register after filter by calling after method and fire filter chain by calling afterFilter', function (done) {
            let session = new MockSession();
            let service = new FilterService();
            service.after(mockFilter1);
            service.after(mockFilter2);
            service.afterFilter(null, null, {}, session, null, function () {
                should.exist(session);
                session.beforeCount1.should.equal(0);
                session.beforeCount2.should.equal(0);
                session.afterCount1.should.equal(1);
                session.afterCount2.should.equal(1);
                done();
            });
        });
        it('should be ok if filter is a function', function (done) {
            let session = { beforeCount: 0, afterCount: 0 };
            let service = new FilterService();
            let beforeCount = 0, afterCount = 0;
            service.before(function (record, msg, session, cb) {
                session.beforeCount++;
                cb();
            });
            service.after(function (err, record, msg, session, resp, cb) {
                session.afterCount++;
                cb();
            });
            service.beforeFilter(null, {}, session, function () {
                beforeCount++;
            });
            service.afterFilter(null, null, {}, session, null, function () {
                afterCount++;
            });
            session.beforeCount.should.equal(1);
            session.afterCount.should.equal(1);
            beforeCount.should.equal(1);
            afterCount.should.equal(1);
            done();
        });
        it('should not invoke the callback if filter not invoke callback', function (done) {
            let session = new MockSession();
            let service = new FilterService();
            let beforeCount = 0, afterCount = 0;
            service.before(blackholdFilter);
            service.after(blackholdFilter);
            service.beforeFilter(null, {}, session, function () {
                beforeCount++;
            });
            service.afterFilter(null, null, {}, session, null, function () {
                afterCount++;
            });
            setTimeout(function () {
                session.beforeCount1.should.equal(0);
                session.beforeCount2.should.equal(0);
                session.afterCount1.should.equal(0);
                session.afterCount2.should.equal(0);
                beforeCount.should.equal(0);
                afterCount.should.equal(0);
                done();
            }, WAIT_TIME);
        });
        it('should pass the err and resp parameters to callback and ignore the filters behind if them specified in before filter', function (done) {
            let session = new MockSession();
            let service = new FilterService();
            let error = 'some error message';
            let response = { key: 'some value' };
            let respFilter = {
                before: function (record, msg, session, cb) {
                    cb(error, response);
                }
            };
            service.before(mockFilter1);
            service.before(respFilter);
            service.before(mockFilter2);
            service.beforeFilter(null, {}, session, function (err, resp) {
                should.exist(err);
                err.should.equal(error);
                should.exist(resp);
                resp.should.equal(response);
                session.beforeCount1.should.equal(1);
                session.beforeCount2.should.equal(0);
                session.afterCount1.should.equal(0);
                session.afterCount2.should.equal(0);
                done();
            });
        });
    });
});
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