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144 lines
3.2 KiB
144 lines
3.2 KiB
8 years ago
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'use strict';
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const common = require('../common');
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const { Transform } = require('stream');
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const assert = require('assert');
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{
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const transform = new Transform({
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transform(chunk, enc, cb) {}
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});
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transform.resume();
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transform.on('end', common.mustCall());
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transform.on('close', common.mustCall());
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transform.on('finish', common.mustCall());
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transform.destroy();
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}
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{
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const transform = new Transform({
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transform(chunk, enc, cb) {}
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});
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transform.resume();
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const expected = new Error('kaboom');
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transform.on('end', common.mustCall());
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transform.on('finish', common.mustCall());
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transform.on('close', common.mustCall());
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transform.on('error', common.mustCall((err) => {
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assert.strictEqual(err, expected);
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}));
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transform.destroy(expected);
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}
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{
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const transform = new Transform({
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transform(chunk, enc, cb) {}
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});
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transform._destroy = common.mustCall(function(err, cb) {
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assert.strictEqual(err, expected);
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cb(err);
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}, 1);
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const expected = new Error('kaboom');
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transform.on('finish', common.mustNotCall('no finish event'));
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transform.on('close', common.mustNotCall('no close event'));
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transform.on('error', common.mustCall((err) => {
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assert.strictEqual(err, expected);
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}));
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transform.destroy(expected);
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}
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{
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const expected = new Error('kaboom');
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const transform = new Transform({
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transform(chunk, enc, cb) {},
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destroy: common.mustCall(function(err, cb) {
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assert.strictEqual(err, expected);
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cb();
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}, 1)
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});
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transform.resume();
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transform.on('end', common.mustNotCall('no end event'));
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transform.on('close', common.mustNotCall('no close event'));
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transform.on('finish', common.mustNotCall('no finish event'));
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// error is swallowed by the custom _destroy
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transform.on('error', common.mustNotCall('no error event'));
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transform.destroy(expected);
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}
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{
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const transform = new Transform({
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transform(chunk, enc, cb) {}
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});
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transform._destroy = common.mustCall(function(err, cb) {
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assert.strictEqual(err, null);
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cb();
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}, 1);
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transform.destroy();
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}
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{
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const transform = new Transform({
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transform(chunk, enc, cb) {}
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});
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transform.resume();
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transform._destroy = common.mustCall(function(err, cb) {
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assert.strictEqual(err, null);
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process.nextTick(() => {
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this.push(null);
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this.end();
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cb();
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});
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}, 1);
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const fail = common.mustNotCall('no event');
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transform.on('finish', fail);
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transform.on('end', fail);
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transform.on('close', fail);
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transform.destroy();
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transform.removeListener('end', fail);
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transform.removeListener('finish', fail);
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transform.on('end', common.mustCall());
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transform.on('finish', common.mustCall());
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}
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{
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const transform = new Transform({
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transform(chunk, enc, cb) {}
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});
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const expected = new Error('kaboom');
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transform._destroy = common.mustCall(function(err, cb) {
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assert.strictEqual(err, null);
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cb(expected);
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}, 1);
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transform.on('close', common.mustNotCall('no close event'));
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transform.on('finish', common.mustNotCall('no finish event'));
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transform.on('end', common.mustNotCall('no end event'));
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transform.on('error', common.mustCall((err) => {
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assert.strictEqual(err, expected);
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}));
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transform.destroy();
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}
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