113 lines
3.4 KiB
TypeScript
113 lines
3.4 KiB
TypeScript
/**
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* Tests AmqpConnection
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*
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* Copyright (C) 2010-2019 R-T Specialty, LLC.
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*
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* This file is part of liza.
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*
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* liza is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Amqp Connection
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*/
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import { AmqpConnection as Sut } from "../../../src/system/amqp/AmqpConnection";
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import { AmqpConfig } from "../../../src/system/AmqpPublisher";
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import { EventEmitter } from "events";
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import * as amqplib from "amqplib";
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import { expect, use as chai_use } from 'chai';
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chai_use( require( 'chai-as-promised' ) );
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describe( 'AmqpConnection', () =>
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{
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describe( '#connect', () =>
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{
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it( "fails when exchange cannot be asserted", () =>
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{
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const expected_err = new Error( "test failure" );
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const mock_channel = <amqplib.Channel>(<unknown>{
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assertExchange() {
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return Promise.reject( expected_err );
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},
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} );
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const mock_connection = <amqplib.Connection>(<unknown>{
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once() {},
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createChannel() {
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return Promise.resolve( mock_channel );
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},
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} );
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const mock_amqp = <typeof amqplib>(<unknown>{
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connect() {
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return Promise.resolve( mock_connection );
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}
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} );
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const emitter = new EventEmitter();
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const conf = <AmqpConfig>{};
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const sut = new Sut( mock_amqp, conf, emitter );
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return expect( sut.connect() )
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.to.eventually.be.rejectedWith( expected_err );
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} );
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} );
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describe( '#reconnect', () =>
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{
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it( "is called when there is an error with the connection", () =>
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{
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let reconnect_called = false;
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const mock_channel = <amqplib.Channel>(<unknown>{
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assertExchange() {
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return Promise.resolve();
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},
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} );
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const mock_connection = <amqplib.Connection>Object.create(
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new EventEmitter()
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);
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mock_connection.createChannel = (): any => {
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return Promise.resolve( mock_channel );
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};
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const mock_amqp = <typeof amqplib>(<unknown>{
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connect() {
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return Promise.resolve( mock_connection );
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}
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} );
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const emitter = new EventEmitter();
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emitter.on( 'amqp-reconnect', () => { reconnect_called = true } );
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const conf = <AmqpConfig>{};
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const sut = new Sut( mock_amqp, conf, emitter );
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const result = sut.connect()
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.then( () => mock_connection.emit( 'error' ) )
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return expect( result )
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.to.eventually.deep.equal( true )
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.then( _ => expect( reconnect_called ).to.be.true );
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} );
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} );
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} );
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