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'use strict';
const assert = require('assert');
const path = require('path');
const killable = require('killable');
const merge = require('merge-options');
const Koa = require('koa');
const compose = require('koa-compose');
const request = require('supertest');
const Webpack = require('webpack');
const koaWebpack = require('../index');
const DEFAULT_OPTIONS = {
mode: 'development',
config: {
entry: [path.resolve(__dirname, 'fixtures', 'input.js')],
output: {
path: path.resolve(__dirname, 'fixtures'),
filename: 'output.js'
}
},
dev: {
publicPath: '/',
logLevel: 'silent'
},
hot: {
logLevel: 'silent'
}
};
function buildOptions(opts) {
const options = merge({}, DEFAULT_OPTIONS, opts);
return merge(options, {
config: null,
compiler: Webpack(options.config)
});
}
function defaultApp(middleware) {
return middleware;
}
function setup(options, setupMiddleware = defaultApp) {
const app = new Koa();
const middleware = koaWebpack(buildOptions(options));
app.use(setupMiddleware(middleware));
const server = app.listen();
const req = request(server);
killable(server);
return { middleware, req, server };
}
describe('koa-webpack', () => {
it('should provide access to middleware and client', (done) => {
const { middleware, server, req } = setup({ dev: { lazy: false } });
req.get('/output.js')
.then(() => {
assert(middleware.dev);
assert(middleware.client);
server.kill();
middleware.close(done);
});
}).timeout(5e3);
it('should disable hot-client', (done) => {
const { middleware, server, req } = setup({ dev: { lazy: false }, hot: false });
req.get('/output.js')
.then(() => {
assert(middleware.dev);
assert.equal(middleware.client, null);
server.kill();
middleware.close(done);
});
}).timeout(5e3);
it('sends the result in watch mode', (done) => {
const { middleware, req, server } = setup({ dev: { lazy: false } });
req.get('/output.js')
.expect(200)
.expect((response) => {
assert.ok(/Hello world/.test(response.text), "Expected result to contain 'Hello world'");
})
.then(() => {
server.kill();
middleware.close(done);
});
}).timeout(5e3);
it('sends the result to a MultiCompiler in watch mode', (done) => {
const { middleware, req, server } = setup({
dev: { lazy: false },
config: [
{
entry: [path.resolve(__dirname, 'fixtures', 'input.js')],
output: {
path: path.resolve(__dirname, 'fixtures'),
filename: 'output.js'
}
},
{
entry: [path.resolve(__dirname, 'fixtures', 'input.js')],
output: {
path: path.resolve(__dirname, 'fixtures'),
filename: 'output2.js'
}
}
]
});
req.get('/output.js')
.expect(200)
.expect((response) => {
assert.ok(/Hello world/.test(response.text), "Expected result to contain 'Hello world'");
})
.then(() => req.get('/output2.js')
.expect(200)
.expect((response) => {
assert.ok(/Hello world/.test(response.text), "Expected result to contain 'Hello world'");
})
.then(() => {
server.kill();
middleware.close(done);
}));
}).timeout(5e3);
it('builds and sends the result in lazy mode', (done) => {
const { middleware, req, server } = setup({ dev: { lazy: true } });
req.get('/output.js')
.expect(200)
.expect((response) => {
assert.ok(/Hello world/.test(response.text), "Expected result to contain 'Hello world'");
})
.then(() => {
server.kill();
middleware.close(done);
});
}).timeout(5e3);
it('continues on if the file is not part of webpack', (done) => {
const mware = webpack =>
compose([
webpack,
async (ctx) => {
ctx.body = 'foo'; // eslint-disable-line
}
]);
const { middleware, req, server } = setup({}, mware);
req.get('/some-other-file.js')
.expect(200, 'foo')
.then(() => {
server.kill();
middleware.close(done);
});
}).timeout(5e3);
});
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