summaryrefslogtreecommitdiffstats
path: root/testing/xpcshell/node-ws/test/permessage-deflate.test.js
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--testing/xpcshell/node-ws/test/permessage-deflate.test.js647
1 files changed, 647 insertions, 0 deletions
diff --git a/testing/xpcshell/node-ws/test/permessage-deflate.test.js b/testing/xpcshell/node-ws/test/permessage-deflate.test.js
new file mode 100644
index 0000000000..a9c9bf165c
--- /dev/null
+++ b/testing/xpcshell/node-ws/test/permessage-deflate.test.js
@@ -0,0 +1,647 @@
+'use strict';
+
+const assert = require('assert');
+
+const PerMessageDeflate = require('../lib/permessage-deflate');
+const extension = require('../lib/extension');
+
+describe('PerMessageDeflate', () => {
+ describe('#offer', () => {
+ it('creates an offer', () => {
+ const perMessageDeflate = new PerMessageDeflate();
+
+ assert.deepStrictEqual(perMessageDeflate.offer(), {
+ client_max_window_bits: true
+ });
+ });
+
+ it('uses the configuration options', () => {
+ const perMessageDeflate = new PerMessageDeflate({
+ serverNoContextTakeover: true,
+ clientNoContextTakeover: true,
+ serverMaxWindowBits: 10,
+ clientMaxWindowBits: 11
+ });
+
+ assert.deepStrictEqual(perMessageDeflate.offer(), {
+ server_no_context_takeover: true,
+ client_no_context_takeover: true,
+ server_max_window_bits: 10,
+ client_max_window_bits: 11
+ });
+ });
+ });
+
+ describe('#accept', () => {
+ it('throws an error if a parameter has multiple values', () => {
+ const perMessageDeflate = new PerMessageDeflate();
+ const extensions = extension.parse(
+ 'permessage-deflate; server_no_context_takeover; server_no_context_takeover'
+ );
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^Error: Parameter "server_no_context_takeover" must have only a single value$/
+ );
+ });
+
+ it('throws an error if a parameter has an invalid name', () => {
+ const perMessageDeflate = new PerMessageDeflate();
+ const extensions = extension.parse('permessage-deflate;foo');
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^Error: Unknown parameter "foo"$/
+ );
+ });
+
+ it('throws an error if client_no_context_takeover has a value', () => {
+ const perMessageDeflate = new PerMessageDeflate();
+ const extensions = extension.parse(
+ 'permessage-deflate; client_no_context_takeover=10'
+ );
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^TypeError: Invalid value for parameter "client_no_context_takeover": 10$/
+ );
+ });
+
+ it('throws an error if server_no_context_takeover has a value', () => {
+ const perMessageDeflate = new PerMessageDeflate();
+ const extensions = extension.parse(
+ 'permessage-deflate; server_no_context_takeover=10'
+ );
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^TypeError: Invalid value for parameter "server_no_context_takeover": 10$/
+ );
+ });
+
+ it('throws an error if server_max_window_bits has an invalid value', () => {
+ const perMessageDeflate = new PerMessageDeflate();
+
+ let extensions = extension.parse(
+ 'permessage-deflate; server_max_window_bits=7'
+ );
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^TypeError: Invalid value for parameter "server_max_window_bits": 7$/
+ );
+
+ extensions = extension.parse(
+ 'permessage-deflate; server_max_window_bits'
+ );
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^TypeError: Invalid value for parameter "server_max_window_bits": true$/
+ );
+ });
+
+ describe('As server', () => {
+ it('accepts an offer with no parameters', () => {
+ const perMessageDeflate = new PerMessageDeflate({}, true);
+
+ assert.deepStrictEqual(perMessageDeflate.accept([{}]), {});
+ });
+
+ it('accepts an offer with parameters', () => {
+ const perMessageDeflate = new PerMessageDeflate({}, true);
+ const extensions = extension.parse(
+ 'permessage-deflate; server_no_context_takeover; ' +
+ 'client_no_context_takeover; server_max_window_bits=10; ' +
+ 'client_max_window_bits=11'
+ );
+
+ assert.deepStrictEqual(
+ perMessageDeflate.accept(extensions['permessage-deflate']),
+ {
+ server_no_context_takeover: true,
+ client_no_context_takeover: true,
+ server_max_window_bits: 10,
+ client_max_window_bits: 11,
+ __proto__: null
+ }
+ );
+ });
+
+ it('prefers the configuration options', () => {
+ const perMessageDeflate = new PerMessageDeflate(
+ {
+ serverNoContextTakeover: true,
+ clientNoContextTakeover: true,
+ serverMaxWindowBits: 12,
+ clientMaxWindowBits: 11
+ },
+ true
+ );
+ const extensions = extension.parse(
+ 'permessage-deflate; server_max_window_bits=14; client_max_window_bits=13'
+ );
+
+ assert.deepStrictEqual(
+ perMessageDeflate.accept(extensions['permessage-deflate']),
+ {
+ server_no_context_takeover: true,
+ client_no_context_takeover: true,
+ server_max_window_bits: 12,
+ client_max_window_bits: 11,
+ __proto__: null
+ }
+ );
+ });
+
+ it('accepts the first supported offer', () => {
+ const perMessageDeflate = new PerMessageDeflate(
+ { serverMaxWindowBits: 11 },
+ true
+ );
+ const extensions = extension.parse(
+ 'permessage-deflate; server_max_window_bits=10, permessage-deflate'
+ );
+
+ assert.deepStrictEqual(
+ perMessageDeflate.accept(extensions['permessage-deflate']),
+ {
+ server_max_window_bits: 11,
+ __proto__: null
+ }
+ );
+ });
+
+ it('throws an error if server_no_context_takeover is unsupported', () => {
+ const perMessageDeflate = new PerMessageDeflate(
+ { serverNoContextTakeover: false },
+ true
+ );
+ const extensions = extension.parse(
+ 'permessage-deflate; server_no_context_takeover'
+ );
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^Error: None of the extension offers can be accepted$/
+ );
+ });
+
+ it('throws an error if server_max_window_bits is unsupported', () => {
+ const perMessageDeflate = new PerMessageDeflate(
+ { serverMaxWindowBits: false },
+ true
+ );
+ const extensions = extension.parse(
+ 'permessage-deflate; server_max_window_bits=10'
+ );
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^Error: None of the extension offers can be accepted$/
+ );
+ });
+
+ it('throws an error if server_max_window_bits is less than configuration', () => {
+ const perMessageDeflate = new PerMessageDeflate(
+ { serverMaxWindowBits: 11 },
+ true
+ );
+ const extensions = extension.parse(
+ 'permessage-deflate; server_max_window_bits=10'
+ );
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^Error: None of the extension offers can be accepted$/
+ );
+ });
+
+ it('throws an error if client_max_window_bits is unsupported on client', () => {
+ const perMessageDeflate = new PerMessageDeflate(
+ { clientMaxWindowBits: 10 },
+ true
+ );
+ const extensions = extension.parse('permessage-deflate');
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^Error: None of the extension offers can be accepted$/
+ );
+ });
+
+ it('throws an error if client_max_window_bits has an invalid value', () => {
+ const perMessageDeflate = new PerMessageDeflate({}, true);
+
+ const extensions = extension.parse(
+ 'permessage-deflate; client_max_window_bits=16'
+ );
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^TypeError: Invalid value for parameter "client_max_window_bits": 16$/
+ );
+ });
+ });
+
+ describe('As client', () => {
+ it('accepts a response with no parameters', () => {
+ const perMessageDeflate = new PerMessageDeflate({});
+
+ assert.deepStrictEqual(perMessageDeflate.accept([{}]), {});
+ });
+
+ it('accepts a response with parameters', () => {
+ const perMessageDeflate = new PerMessageDeflate({});
+ const extensions = extension.parse(
+ 'permessage-deflate; server_no_context_takeover; ' +
+ 'client_no_context_takeover; server_max_window_bits=10; ' +
+ 'client_max_window_bits=11'
+ );
+
+ assert.deepStrictEqual(
+ perMessageDeflate.accept(extensions['permessage-deflate']),
+ {
+ server_no_context_takeover: true,
+ client_no_context_takeover: true,
+ server_max_window_bits: 10,
+ client_max_window_bits: 11,
+ __proto__: null
+ }
+ );
+ });
+
+ it('throws an error if client_no_context_takeover is unsupported', () => {
+ const perMessageDeflate = new PerMessageDeflate({
+ clientNoContextTakeover: false
+ });
+ const extensions = extension.parse(
+ 'permessage-deflate; client_no_context_takeover'
+ );
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^Error: Unexpected parameter "client_no_context_takeover"$/
+ );
+ });
+
+ it('throws an error if client_max_window_bits is unsupported', () => {
+ const perMessageDeflate = new PerMessageDeflate({
+ clientMaxWindowBits: false
+ });
+ const extensions = extension.parse(
+ 'permessage-deflate; client_max_window_bits=10'
+ );
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^Error: Unexpected or invalid parameter "client_max_window_bits"$/
+ );
+ });
+
+ it('throws an error if client_max_window_bits is greater than configuration', () => {
+ const perMessageDeflate = new PerMessageDeflate({
+ clientMaxWindowBits: 10
+ });
+ const extensions = extension.parse(
+ 'permessage-deflate; client_max_window_bits=11'
+ );
+
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^Error: Unexpected or invalid parameter "client_max_window_bits"$/
+ );
+ });
+
+ it('throws an error if client_max_window_bits has an invalid value', () => {
+ const perMessageDeflate = new PerMessageDeflate();
+
+ let extensions = extension.parse(
+ 'permessage-deflate; client_max_window_bits=16'
+ );
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^TypeError: Invalid value for parameter "client_max_window_bits": 16$/
+ );
+
+ extensions = extension.parse(
+ 'permessage-deflate; client_max_window_bits'
+ );
+ assert.throws(
+ () => perMessageDeflate.accept(extensions['permessage-deflate']),
+ /^TypeError: Invalid value for parameter "client_max_window_bits": true$/
+ );
+ });
+
+ it('uses the config value if client_max_window_bits is not specified', () => {
+ const perMessageDeflate = new PerMessageDeflate({
+ clientMaxWindowBits: 10
+ });
+
+ assert.deepStrictEqual(perMessageDeflate.accept([{}]), {
+ client_max_window_bits: 10
+ });
+ });
+ });
+ });
+
+ describe('#compress and #decompress', () => {
+ it('works with unfragmented messages', (done) => {
+ const perMessageDeflate = new PerMessageDeflate();
+ const buf = Buffer.from([1, 2, 3]);
+
+ perMessageDeflate.accept([{}]);
+ perMessageDeflate.compress(buf, true, (err, data) => {
+ if (err) return done(err);
+
+ perMessageDeflate.decompress(data, true, (err, data) => {
+ if (err) return done(err);
+
+ assert.ok(data.equals(buf));
+ done();
+ });
+ });
+ });
+
+ it('works with fragmented messages', (done) => {
+ const perMessageDeflate = new PerMessageDeflate();
+ const buf = Buffer.from([1, 2, 3, 4]);
+
+ perMessageDeflate.accept([{}]);
+
+ perMessageDeflate.compress(buf.slice(0, 2), false, (err, compressed1) => {
+ if (err) return done(err);
+
+ perMessageDeflate.compress(buf.slice(2), true, (err, compressed2) => {
+ if (err) return done(err);
+
+ perMessageDeflate.decompress(compressed1, false, (err, data1) => {
+ if (err) return done(err);
+
+ perMessageDeflate.decompress(compressed2, true, (err, data2) => {
+ if (err) return done(err);
+
+ assert.ok(Buffer.concat([data1, data2]).equals(buf));
+ done();
+ });
+ });
+ });
+ });
+ });
+
+ it('works with the negotiated parameters', (done) => {
+ const perMessageDeflate = new PerMessageDeflate({
+ memLevel: 5,
+ level: 9
+ });
+ const extensions = extension.parse(
+ 'permessage-deflate; server_no_context_takeover; ' +
+ 'client_no_context_takeover; server_max_window_bits=10; ' +
+ 'client_max_window_bits=11'
+ );
+ const buf = Buffer.from("Some compressible data, it's compressible.");
+
+ perMessageDeflate.accept(extensions['permessage-deflate']);
+
+ perMessageDeflate.compress(buf, true, (err, data) => {
+ if (err) return done(err);
+
+ perMessageDeflate.decompress(data, true, (err, data) => {
+ if (err) return done(err);
+
+ assert.ok(data.equals(buf));
+ done();
+ });
+ });
+ });
+
+ it('honors the `level` option', (done) => {
+ const lev0 = new PerMessageDeflate({
+ zlibDeflateOptions: { level: 0 }
+ });
+ const lev9 = new PerMessageDeflate({
+ zlibDeflateOptions: { level: 9 }
+ });
+ const extensionStr =
+ 'permessage-deflate; server_no_context_takeover; ' +
+ 'client_no_context_takeover; server_max_window_bits=10; ' +
+ 'client_max_window_bits=11';
+ const buf = Buffer.from("Some compressible data, it's compressible.");
+
+ lev0.accept(extension.parse(extensionStr)['permessage-deflate']);
+ lev9.accept(extension.parse(extensionStr)['permessage-deflate']);
+
+ lev0.compress(buf, true, (err, compressed1) => {
+ if (err) return done(err);
+
+ lev0.decompress(compressed1, true, (err, decompressed1) => {
+ if (err) return done(err);
+
+ lev9.compress(buf, true, (err, compressed2) => {
+ if (err) return done(err);
+
+ lev9.decompress(compressed2, true, (err, decompressed2) => {
+ if (err) return done(err);
+
+ // Level 0 compression actually adds a few bytes due to headers.
+ assert.ok(compressed1.length > buf.length);
+ // Level 9 should not, of course.
+ assert.ok(compressed2.length < buf.length);
+ // Ensure they both decompress back properly.
+ assert.ok(decompressed1.equals(buf));
+ assert.ok(decompressed2.equals(buf));
+ done();
+ });
+ });
+ });
+ });
+ });
+
+ it('honors the `zlib{Deflate,Inflate}Options` option', (done) => {
+ const lev0 = new PerMessageDeflate({
+ zlibDeflateOptions: {
+ level: 0,
+ chunkSize: 256
+ },
+ zlibInflateOptions: {
+ chunkSize: 2048
+ }
+ });
+ const lev9 = new PerMessageDeflate({
+ zlibDeflateOptions: {
+ level: 9,
+ chunkSize: 128
+ },
+ zlibInflateOptions: {
+ chunkSize: 1024
+ }
+ });
+
+ // Note no context takeover so we can get a hold of the raw streams after
+ // we do the dance.
+ const extensionStr =
+ 'permessage-deflate; server_max_window_bits=10; ' +
+ 'client_max_window_bits=11';
+ const buf = Buffer.from("Some compressible data, it's compressible.");
+
+ lev0.accept(extension.parse(extensionStr)['permessage-deflate']);
+ lev9.accept(extension.parse(extensionStr)['permessage-deflate']);
+
+ lev0.compress(buf, true, (err, compressed1) => {
+ if (err) return done(err);
+
+ lev0.decompress(compressed1, true, (err, decompressed1) => {
+ if (err) return done(err);
+
+ lev9.compress(buf, true, (err, compressed2) => {
+ if (err) return done(err);
+
+ lev9.decompress(compressed2, true, (err, decompressed2) => {
+ if (err) return done(err);
+ // Level 0 compression actually adds a few bytes due to headers.
+ assert.ok(compressed1.length > buf.length);
+ // Level 9 should not, of course.
+ assert.ok(compressed2.length < buf.length);
+ // Ensure they both decompress back properly.
+ assert.ok(decompressed1.equals(buf));
+ assert.ok(decompressed2.equals(buf));
+
+ // Assert options were set.
+ assert.ok(lev0._deflate._level === 0);
+ assert.ok(lev9._deflate._level === 9);
+ assert.ok(lev0._deflate._chunkSize === 256);
+ assert.ok(lev9._deflate._chunkSize === 128);
+ assert.ok(lev0._inflate._chunkSize === 2048);
+ assert.ok(lev9._inflate._chunkSize === 1024);
+ done();
+ });
+ });
+ });
+ });
+ });
+
+ it("doesn't use contex takeover if not allowed", (done) => {
+ const perMessageDeflate = new PerMessageDeflate({}, true);
+ const extensions = extension.parse(
+ 'permessage-deflate;server_no_context_takeover'
+ );
+ const buf = Buffer.from('foofoo');
+
+ perMessageDeflate.accept(extensions['permessage-deflate']);
+
+ perMessageDeflate.compress(buf, true, (err, compressed1) => {
+ if (err) return done(err);
+
+ perMessageDeflate.decompress(compressed1, true, (err, data) => {
+ if (err) return done(err);
+
+ assert.ok(data.equals(buf));
+ perMessageDeflate.compress(data, true, (err, compressed2) => {
+ if (err) return done(err);
+
+ assert.strictEqual(compressed2.length, compressed1.length);
+ perMessageDeflate.decompress(compressed2, true, (err, data) => {
+ if (err) return done(err);
+
+ assert.ok(data.equals(buf));
+ done();
+ });
+ });
+ });
+ });
+ });
+
+ it('uses contex takeover if allowed', (done) => {
+ const perMessageDeflate = new PerMessageDeflate({}, true);
+ const extensions = extension.parse('permessage-deflate');
+ const buf = Buffer.from('foofoo');
+
+ perMessageDeflate.accept(extensions['permessage-deflate']);
+
+ perMessageDeflate.compress(buf, true, (err, compressed1) => {
+ if (err) return done(err);
+
+ perMessageDeflate.decompress(compressed1, true, (err, data) => {
+ if (err) return done(err);
+
+ assert.ok(data.equals(buf));
+ perMessageDeflate.compress(data, true, (err, compressed2) => {
+ if (err) return done(err);
+
+ assert.ok(compressed2.length < compressed1.length);
+ perMessageDeflate.decompress(compressed2, true, (err, data) => {
+ if (err) return done(err);
+
+ assert.ok(data.equals(buf));
+ done();
+ });
+ });
+ });
+ });
+ });
+
+ it('calls the callback when an error occurs (inflate)', (done) => {
+ const perMessageDeflate = new PerMessageDeflate();
+ const data = Buffer.from('something invalid');
+
+ perMessageDeflate.accept([{}]);
+ perMessageDeflate.decompress(data, true, (err) => {
+ assert.ok(err instanceof Error);
+ assert.strictEqual(err.code, 'Z_DATA_ERROR');
+ assert.strictEqual(err.errno, -3);
+ done();
+ });
+ });
+
+ it("doesn't call the callback twice when `maxPayload` is exceeded", (done) => {
+ const perMessageDeflate = new PerMessageDeflate({}, false, 25);
+ const buf = Buffer.from('A'.repeat(50));
+
+ perMessageDeflate.accept([{}]);
+ perMessageDeflate.compress(buf, true, (err, data) => {
+ if (err) return done(err);
+
+ perMessageDeflate.decompress(data, true, (err) => {
+ assert.ok(err instanceof RangeError);
+ assert.strictEqual(err.message, 'Max payload size exceeded');
+ done();
+ });
+ });
+ });
+
+ it('calls the callback if the deflate stream is closed prematurely', (done) => {
+ const perMessageDeflate = new PerMessageDeflate();
+ const buf = Buffer.from('A'.repeat(50));
+
+ perMessageDeflate.accept([{}]);
+ perMessageDeflate.compress(buf, true, (err) => {
+ assert.ok(err instanceof Error);
+ assert.strictEqual(
+ err.message,
+ 'The deflate stream was closed while data was being processed'
+ );
+ done();
+ });
+
+ process.nextTick(() => perMessageDeflate.cleanup());
+ });
+
+ it('recreates the inflate stream if it ends', (done) => {
+ const perMessageDeflate = new PerMessageDeflate();
+ const extensions = extension.parse(
+ 'permessage-deflate; client_no_context_takeover; ' +
+ 'server_no_context_takeover'
+ );
+ const buf = Buffer.from('33343236313533b7000000', 'hex');
+ const expected = Buffer.from('12345678');
+
+ perMessageDeflate.accept(extensions['permessage-deflate']);
+
+ perMessageDeflate.decompress(buf, true, (err, data) => {
+ assert.ok(data.equals(expected));
+
+ perMessageDeflate.decompress(buf, true, (err, data) => {
+ assert.ok(data.equals(expected));
+ done();
+ });
+ });
+ });
+ });
+});