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'use strict';
/**
* Unit tests for index.
*/
const _ = require('lodash');
const BbPromise = require('bluebird');
const chai = require('chai');
const sinon = require('sinon');
const mockery = require('mockery');
const Serverless = require('serverless');
const Module = require('module');
chai.use(require('chai-as-promised'));
chai.use(require('sinon-chai'));
const expect = chai.expect;
describe('ServerlessWebpack', () => {
let sandbox;
let serverless;
let ServerlessWebpack;
before(function() {
// Mockery might take some time to clear the cache. So add 3 seconds to the default timeout.
this.timeout(5000);
sandbox = sinon.createSandbox();
mockery.enable({ useCleanCache: true, warnOnUnregistered: false });
mockery.registerMock('ts-node/register', {});
mockery.registerMock('webpack', {});
ServerlessWebpack = require('./index');
sandbox.spy(Module, '_load');
});
beforeEach(() => {
serverless = new Serverless();
serverless.cli = {
log: sandbox.stub(),
consoleLog: sandbox.stub()
};
sandbox.stub(serverless.pluginManager, 'spawn').returns(BbPromise.resolve());
});
afterEach(() => {
sandbox.resetHistory();
});
after(() => {
sandbox.restore();
mockery.disable();
mockery.deregisterAll();
});
it('should expose a lib object', () => {
const lib = ServerlessWebpack.lib;
expect(lib).to.be.an('object');
expect(lib)
.to.have.a.property('entries')
.that.is.an('object').that.is.empty;
expect(lib)
.to.have.a.property('webpack')
.that.is.an('object')
.that.deep.equals({
isLocal: false
});
});
describe('with a TS webpack configuration', () => {
it('should support old config and register ts-node', () => {
_.set(serverless, 'service.custom.webpack', 'webpack.config.ts');
new ServerlessWebpack(serverless, {});
expect(Module._load).to.have.been.calledOnce;
expect(Module._load).to.have.been.calledWith('ts-node/register');
});
it('should support new config and register ts-node', () => {
_.set(serverless, 'service.custom.webpack.webpackConfig', 'webpack.config.ts');
new ServerlessWebpack(serverless, {});
expect(Module._load).to.have.been.calledOnce;
expect(Module._load).to.have.been.calledWith('ts-node/register');
});
});
describe('with a JS webpack configuration', () => {
it('should not load ts-node', () => {
_.set(serverless, 'service.custom.webpack', 'webpack.config.js');
new ServerlessWebpack(serverless, {});
expect(Module._load).to.not.have.been.called;
});
});
_.forEach(
[
'commands.webpack',
'commands.webpack.commands.validate',
'commands.webpack.commands.compile',
'commands.webpack.commands.compile.commands.watch',
'commands.webpack.commands.package'
],
command => {
it(`should expose command/entrypoint ${_.last(_.split(command, '.'))}`, () => {
const slsw = new ServerlessWebpack(serverless, {});
expect(slsw).to.have.a.nested.property(command);
});
}
);
describe('hooks', () => {
let slsw;
before(() => {
slsw = new ServerlessWebpack(serverless, {});
sandbox.stub(slsw, 'cleanup').returns(BbPromise.resolve());
sandbox.stub(slsw, 'watch').returns(BbPromise.resolve());
sandbox.stub(slsw, 'wpwatch').returns(BbPromise.resolve());
sandbox.stub(slsw, 'packExternalModules').returns(BbPromise.resolve());
sandbox.stub(slsw, 'prepareRun').returns(BbPromise.resolve());
sandbox.stub(slsw, 'watchRun').returns(BbPromise.resolve());
sandbox.stub(slsw, 'validate').returns(BbPromise.resolve());
sandbox.stub(slsw, 'compile').returns(BbPromise.resolve());
sandbox.stub(slsw, 'packageModules').returns(BbPromise.resolve());
sandbox.stub(slsw, 'prepareLocalInvoke').returns(BbPromise.resolve());
sandbox.stub(slsw, 'prepareOfflineInvoke').returns(BbPromise.resolve());
sandbox.stub(slsw, 'prepareStepOfflineInvoke').returns(BbPromise.resolve());
});
beforeEach(() => {
ServerlessWebpack.lib.webpack.isLocal = false;
});
after(() => {
slsw.cleanup.restore();
});
_.forEach(
[
{
name: 'before:package:createDeploymentArtifacts',
test: () => {
it('should spawn validate, compile and package', () => {
return expect(slsw.hooks['before:package:createDeploymentArtifacts']()).to.be.fulfilled.then(() => {
expect(slsw.serverless.pluginManager.spawn).to.have.been.calledThrice;
expect(slsw.serverless.pluginManager.spawn.firstCall).to.have.been.calledWithExactly(
'webpack:validate'
);
expect(slsw.serverless.pluginManager.spawn.secondCall).to.have.been.calledWithExactly(
'webpack:compile'
);
expect(slsw.serverless.pluginManager.spawn.thirdCall).to.have.been.calledWithExactly('webpack:package');
return null;
});
});
}
},
{
name: 'after:package:createDeploymentArtifacts',
test: () => {
it('should call cleanup', () => {
return expect(slsw.hooks['after:package:createDeploymentArtifacts']()).to.be.fulfilled.then(() => {
expect(slsw.cleanup).to.have.been.calledOnce;
return null;
});
});
}
},
{
name: 'before:deploy:function:packageFunction',
test: () => {
it('should spawn validate, compile and package', () => {
return expect(slsw.hooks['before:deploy:function:packageFunction']()).to.be.fulfilled.then(() => {
expect(slsw.serverless.pluginManager.spawn).to.have.been.calledThrice;
expect(slsw.serverless.pluginManager.spawn.firstCall).to.have.been.calledWithExactly(
'webpack:validate'
);
expect(slsw.serverless.pluginManager.spawn.secondCall).to.have.been.calledWithExactly(
'webpack:compile'
);
expect(slsw.serverless.pluginManager.spawn.thirdCall).to.have.been.calledWithExactly('webpack:package');
return null;
});
});
}
},
{
name: 'webpack:webpack',
test: () => {
it('should spawn validate, compile and package', () => {
return expect(slsw.hooks['webpack:webpack']()).to.be.fulfilled.then(() => {
expect(slsw.serverless.pluginManager.spawn).to.have.been.calledThrice;
expect(slsw.serverless.pluginManager.spawn.firstCall).to.have.been.calledWithExactly(
'webpack:validate'
);
expect(slsw.serverless.pluginManager.spawn.secondCall).to.have.been.calledWithExactly(
'webpack:compile'
);
expect(slsw.serverless.pluginManager.spawn.thirdCall).to.have.been.calledWithExactly('webpack:package');
return null;
});
});
}
},
{
name: 'before:invoke:local:invoke',
test: () => {
it('should prepare for local invoke', () => {
return expect(slsw.hooks['before:invoke:local:invoke']()).to.be.fulfilled.then(() => {
expect(ServerlessWebpack.lib.webpack.isLocal).to.be.true;
expect(slsw.serverless.pluginManager.spawn).to.have.been.calledTwice;
expect(slsw.serverless.pluginManager.spawn.firstCall).to.have.been.calledWithExactly(
'webpack:validate'
);
expect(slsw.serverless.pluginManager.spawn.secondCall).to.have.been.calledWithExactly(
'webpack:compile'
);
expect(slsw.prepareLocalInvoke).to.have.been.calledOnce;
return null;
});
});
it('should skip compile if requested', () => {
slsw.options.build = false;
return expect(slsw.hooks['before:invoke:local:invoke']()).to.be.fulfilled.then(() => {
expect(slsw.serverless.pluginManager.spawn).to.have.been.calledOnce;
expect(slsw.serverless.pluginManager.spawn).to.have.been.calledWithExactly('webpack:validate');
expect(slsw.prepareLocalInvoke).to.have.been.calledOnce;
return null;
});
});
}
},
{
name: 'after:invoke:local:invoke',
test: () => {
it('should return if watch is disabled', () => {
slsw.options.watch = false;
return expect(slsw.hooks['after:invoke:local:invoke']()).to.be.fulfilled.then(() => {
expect(slsw.watch).to.not.have.been.called;
return null;
});
});
it('should watch if enabled', () => {
slsw.options.watch = true;
return expect(slsw.hooks['after:invoke:local:invoke']()).to.be.fulfilled.then(() => {
expect(slsw.watch).to.have.been.calledOnce;
expect(slsw.watch).to.have.been.calledWithExactly('invoke:local');
return null;
});
});
}
},
{
name: 'before:run:run',
test: () => {
it('should prepare for run', () => {
return expect(slsw.hooks['before:run:run']()).to.be.fulfilled.then(() => {
expect(slsw.serverless.service.package.individually).to.be.false;
expect(slsw.serverless.pluginManager.spawn).to.have.been.calledTwice;
expect(slsw.serverless.pluginManager.spawn.firstCall).to.have.been.calledWithExactly(
'webpack:validate'
);
expect(slsw.serverless.pluginManager.spawn.secondCall).to.have.been.calledWithExactly(
'webpack:compile'
);
expect(slsw.packExternalModules).to.have.been.calledOnce;
expect(slsw.prepareRun).to.have.been.calledOnce;
return null;
});
});
}
},
{
name: 'after:run:run',
test: () => {
it('should return if watch is disabled', () => {
slsw.options.watch = false;
return expect(slsw.hooks['after:run:run']()).to.be.fulfilled.then(() => {
expect(slsw.watch).to.not.have.been.called;
return null;
});
});
it('should watch if enabled', () => {
slsw.options.watch = true;
return expect(slsw.hooks['after:run:run']()).to.be.fulfilled.then(() => {
expect(slsw.watch).to.have.been.calledOnce;
expect(slsw.watch).to.have.been.calledOnce;
return null;
});
});
}
},
{
name: 'webpack:validate:validate',
test: () => {
it('should call validate', () => {
return expect(slsw.hooks['webpack:validate:validate']()).to.be.fulfilled.then(() => {
expect(slsw.validate).to.have.been.calledOnce;
return null;
});
});
}
},
{
name: 'webpack:compile:compile',
test: () => {
it('should call compile', () => {
return expect(slsw.hooks['webpack:compile:compile']()).to.be.fulfilled.then(() => {
expect(slsw.compile).to.have.been.calledOnce;
return null;
});
});
}
},
{
name: 'webpack:compile:watch:compile',
test: () => {
it('should resolve', () => {
return expect(slsw.hooks['webpack:compile:watch:compile']()).to.be.fulfilled;
});
}
},
{
name: 'webpack:package:packExternalModules',
test: () => {
it('should call packExternalModules', () => {
return expect(slsw.hooks['webpack:package:packExternalModules']()).to.be.fulfilled.then(() => {
expect(slsw.packExternalModules).to.have.been.calledOnce;
return null;
});
});
}
},
{
name: 'webpack:package:packageModules',
test: () => {
it('should call packageModules', () => {
return expect(slsw.hooks['webpack:package:packageModules']()).to.be.fulfilled.then(() => {
expect(slsw.packageModules).to.have.been.calledOnce;
return null;
});
});
}
},
{
name: 'before:offline:start',
test: () => {
it('should prepare offline', () => {
return expect(slsw.hooks['before:offline:start']()).to.be.fulfilled.then(() => {
expect(ServerlessWebpack.lib.webpack.isLocal).to.be.true;
expect(slsw.prepareOfflineInvoke).to.have.been.calledOnce;
expect(slsw.wpwatch).to.have.been.calledOnce;
return null;
});
});
}
},
{
name: 'before:offline:start:init',
test: () => {
it('should prepare offline', () => {
return expect(slsw.hooks['before:offline:start:init']()).to.be.fulfilled.then(() => {
expect(ServerlessWebpack.lib.webpack.isLocal).to.be.true;
expect(slsw.prepareOfflineInvoke).to.have.been.calledOnce;
expect(slsw.wpwatch).to.have.been.calledOnce;
return null;
});
});
}
},
{
name: 'before:step-functions-offline:start',
test: () => {
it('should prepare offline', () => {
return expect(slsw.hooks['before:step-functions-offline:start']()).to.be.fulfilled.then(() => {
expect(ServerlessWebpack.lib.webpack.isLocal).to.be.true;
expect(slsw.prepareStepOfflineInvoke).to.have.been.calledOnce;
expect(slsw.serverless.pluginManager.spawn).to.have.been.calledOnce;
expect(slsw.serverless.pluginManager.spawn).to.have.been.calledWithExactly('webpack:compile');
return null;
});
});
}
}
],
hook => {
it(`should expose hook ${hook.name}`, () => {
expect(slsw).to.have.a.nested.property(`hooks.${hook.name}`);
});
describe(hook.name, () => {
hook.test();
});
}
);
});
});