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index.test.js
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/* eslint-disable no-shadow */
import t from 'tap';
import Fastify from 'fastify';
import get from 'simple-get';
import fastifyChunkView, { NO_STRATEGY } from './index.js';
import { Readable } from 'stream';
t.test('reply.chunkView strings', t => {
t.plan(6);
const fastify = Fastify();
const expected = '<html><head></head><body><p>test chunk</p></body></html>';
let actual = '';
fastify.register(fastifyChunkView);
fastify.get('/', (_req, reply) => {
reply.chunkView(['<html><head></head><body>', '<p>test chunk</p>', '</body></html>']);
});
fastify.listen(0, (err, address) => {
t.error(err);
get(
{
method: 'GET',
url: address,
},
(err, response) => {
t.error(err);
t.equal(response.statusCode, 200);
t.equal(response.headers['content-type'], 'text/html; charset=utf-8');
t.equal(response.headers['transfer-encoding'], 'chunked');
response.on('data', chunk => {
actual += chunk.toString();
});
response.on('end', () => {
t.equal(actual, expected);
});
fastify.close();
}
);
});
});
t.test('reply.chunkView functions', t => {
t.plan(6);
const fastify = Fastify();
const expected = '<html><head></head><body><p>Function chunk</p></body></html>';
let actual = '';
fastify.register(fastifyChunkView);
fastify.get('/', (_req, reply) => {
reply.chunkView([
() => '<html><head></head><body>',
() => '<p>Function chunk</p>',
() => '</body></html>',
]);
});
fastify.listen(0, (err, address) => {
t.error(err);
get(
{
method: 'GET',
url: address,
},
(err, response) => {
t.error(err);
t.equal(response.statusCode, 200);
t.equal(response.headers['content-type'], 'text/html; charset=utf-8');
t.equal(response.headers['transfer-encoding'], 'chunked');
response.on('data', chunk => {
actual += chunk.toString();
});
response.on('end', () => {
t.equal(actual, expected);
});
fastify.close();
}
);
});
});
t.test('reply.chunkView async function', t => {
t.plan(6);
const fastify = Fastify();
const expected = '<html><head></head><body><p>Async chunk</p></body></html>';
let actual = '';
fastify.register(fastifyChunkView);
fastify.get('/', (_req, reply) => {
reply.chunkView([
() => Promise.resolve('<html><head></head><body>'),
() => Promise.resolve('<p>Async chunk</p>'),
() => Promise.resolve('</body></html>'),
]);
});
fastify.listen(0, (err, address) => {
t.error(err);
get(
{
method: 'GET',
url: address,
},
(err, response) => {
t.error(err);
t.equal(response.statusCode, 200);
t.equal(response.headers['content-type'], 'text/html; charset=utf-8');
t.equal(response.headers['transfer-encoding'], 'chunked');
response.on('data', chunk => {
actual += chunk.toString();
});
response.on('end', () => {
t.equal(actual, expected);
});
fastify.close();
}
);
});
});
t.test('reply.chunkView readStreams', t => {
t.plan(6);
const fastify = Fastify();
const startStream = Readable.from('<html><body>');
const contentStream = Readable.from('<p>Content</p>');
const endStream = Readable.from('</body></html>');
const expected = `<html><body><p>Content</p></body></html>`;
let actual = '';
fastify.register(fastifyChunkView);
fastify.get('/', (_req, reply) => {
reply.chunkView([startStream, contentStream, endStream]);
});
fastify.listen(0, (err, address) => {
t.error(err);
get(
{
method: 'GET',
url: address,
},
(err, response) => {
t.error(err);
t.equal(response.statusCode, 200);
t.equal(response.headers['content-type'], 'text/html; charset=utf-8');
t.equal(response.headers['transfer-encoding'], 'chunked');
response.on('data', chunk => {
actual += chunk.toString();
});
response.on('end', () => {
t.equal(actual, expected);
});
fastify.close();
}
);
});
});
t.test('reply.chunkView mixed strings function and async function & Readable', t => {
t.plan(6);
const fastify = Fastify();
const contentStream = Readable.from('<p>Content</p>');
const expected = `<html><head></head><body><p>Async chunk</p><p>Content</p></body></html>`;
let actual = '';
fastify.register(fastifyChunkView);
fastify.get('/', (_req, reply) => {
reply.chunkView([
'<html><head></head><body>',
() => Promise.resolve('<p>Async chunk</p>'),
contentStream,
() => '</body></html>',
]);
});
fastify.listen(0, (err, address) => {
t.error(err);
get(
{
method: 'GET',
url: address,
},
(err, response) => {
t.error(err);
t.equal(response.statusCode, 200);
t.equal(response.headers['content-type'], 'text/html; charset=utf-8');
t.equal(response.headers['transfer-encoding'], 'chunked');
response.on('data', chunk => {
actual += chunk.toString();
});
response.on('end', () => {
t.equal(actual, expected);
});
fastify.close();
}
);
});
});
t.test('reply.chunkView defaults to NO_STRATEGY when chunk has no strategy for rendering', t => {
t.plan(6);
const fastify = Fastify();
const expected = NO_STRATEGY;
let actual = '';
fastify.register(fastifyChunkView);
fastify.get('/', (_req, reply) => {
reply.chunkView([new Map()]);
});
fastify.listen(0, (err, address) => {
t.error(err);
get(
{
method: 'GET',
url: address,
},
(err, response) => {
t.error(err);
t.equal(response.statusCode, 200);
t.equal(response.headers['content-type'], 'text/html; charset=utf-8');
t.equal(response.headers['transfer-encoding'], 'chunked');
response.on('data', chunk => {
actual += chunk.toString();
});
response.on('end', () => {
t.equal(actual, expected);
});
fastify.close();
}
);
});
});
t.test('reply.chunkView function error handling', t => {
t.plan(6);
const fastify = Fastify();
const expected = '<html><head></head><body><p>Async chunk</p>';
let actual = '';
fastify.register(fastifyChunkView);
fastify.get('/', (_req, reply) => {
reply.chunkView([
'<html><head></head><body>',
() => Promise.resolve('<p>Async chunk</p>'),
function () {
throw new Error('Function error');
},
]);
});
fastify.listen(0, (err, address) => {
t.error(err);
get(
{
method: 'GET',
url: address,
},
(err, response) => {
t.error(err);
t.equal(response.statusCode, 200);
t.equal(response.headers['content-type'], 'text/html; charset=utf-8');
t.equal(response.headers['transfer-encoding'], 'chunked');
response.on('data', chunk => {
actual += chunk.toString();
});
response.on('end', () => {
t.equal(actual, expected);
});
fastify.close();
}
);
});
});
t.test('reply.chunkView Promise reject error handling', t => {
t.plan(6);
const fastify = Fastify();
const expected = '<html><head></head><body><p>Async chunk</p>';
let actual = '';
fastify.register(fastifyChunkView);
fastify.get('/', (_req, reply) => {
reply.chunkView([
'<html><head></head><body>',
() => Promise.resolve('<p>Async chunk</p>'),
() => Promise.reject(new Error('Promise error')),
]);
});
fastify.listen(0, (err, address) => {
t.error(err);
get(
{
method: 'GET',
url: address,
},
(err, response) => {
t.error(err);
t.equal(response.statusCode, 200);
t.equal(response.headers['content-type'], 'text/html; charset=utf-8');
t.equal(response.headers['transfer-encoding'], 'chunked');
response.on('data', chunk => {
actual += chunk.toString();
});
response.on('end', () => {
t.equal(actual, expected);
});
fastify.close();
}
);
});
});
t.test('reply.chunkView Readable error handling', t => {
t.plan(6);
const fastify = Fastify();
const expected = '<html><head></head><body>';
let actual = '';
class ErrorReadable extends Readable {
_read() {
this.destroy(new Error('Readable error'));
}
_destroy(err, callback) {
callback(err);
}
}
fastify.register(fastifyChunkView);
fastify.get('/', (_req, reply) => {
reply.chunkView(['<html><head></head><body>', new ErrorReadable()]);
});
fastify.listen(0, (err, address) => {
t.error(err);
get(
{
method: 'GET',
url: address,
},
(err, response) => {
t.error(err);
t.equal(response.statusCode, 200);
t.equal(response.headers['content-type'], 'text/html; charset=utf-8');
t.equal(response.headers['transfer-encoding'], 'chunked');
response.on('data', chunk => {
actual += chunk.toString();
});
response.on('end', () => {
t.equal(actual, expected);
});
fastify.close();
}
);
});
});