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test: move more zlib tests to node:test
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PR-URL: #54609
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Chemi Atlow <[email protected]>
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anonrig authored Sep 1, 2024
1 parent 2f0b371 commit 826b753
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Showing 6 changed files with 141 additions and 103 deletions.
56 changes: 32 additions & 24 deletions test/parallel/test-zlib-unzip-one-byte-chunks.js
Original file line number Diff line number Diff line change
@@ -1,30 +1,38 @@
'use strict';
const common = require('../common');
const assert = require('assert');
const zlib = require('zlib');

const data = Buffer.concat([
zlib.gzipSync('abc'),
zlib.gzipSync('def'),
]);
require('../common');

const resultBuffers = [];
const assert = require('node:assert');
const zlib = require('node:zlib');
const { test } = require('node:test');

const unzip = zlib.createUnzip()
.on('error', (err) => {
assert.ifError(err);
})
.on('data', (data) => resultBuffers.push(data))
.on('finish', common.mustCall(() => {
const unzipped = Buffer.concat(resultBuffers).toString();
assert.strictEqual(unzipped, 'abcdef',
`'${unzipped}' should match 'abcdef' after zipping ` +
'and unzipping');
}));
test('zlib should unzip one byte chunks', async () => {
const { promise, resolve } = Promise.withResolvers();
const data = Buffer.concat([
zlib.gzipSync('abc'),
zlib.gzipSync('def'),
]);

for (let i = 0; i < data.length; i++) {
// Write each single byte individually.
unzip.write(Buffer.from([data[i]]));
}
const resultBuffers = [];

unzip.end();
const unzip = zlib.createUnzip()
.on('error', (err) => {
assert.ifError(err);
})
.on('data', (data) => resultBuffers.push(data))
.on('finish', () => {
const unzipped = Buffer.concat(resultBuffers).toString();
assert.strictEqual(unzipped, 'abcdef',
`'${unzipped}' should match 'abcdef' after zipping ` +
'and unzipping');
resolve();
});

for (let i = 0; i < data.length; i++) {
// Write each single byte individually.
unzip.write(Buffer.from([data[i]]));
}

unzip.end();
await promise;
});
33 changes: 22 additions & 11 deletions test/parallel/test-zlib-write-after-close.js
Original file line number Diff line number Diff line change
Expand Up @@ -20,15 +20,26 @@
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';
const common = require('../common');
const zlib = require('zlib');

zlib.gzip('hello', common.mustCall(function(err, out) {
const unzip = zlib.createGunzip();
unzip.close(common.mustCall());
unzip.write('asd', common.expectsError({
code: 'ERR_STREAM_DESTROYED',
name: 'Error',
message: 'Cannot call write after a stream was destroyed'
}));
}));
require('../common');

const zlib = require('node:zlib');
const assert = require('node:assert');
const { test } = require('node:test');

test('zlib should not allow writing after close', async (t) => {
const { promise, resolve } = Promise.withResolvers();
const closeCallback = t.mock.fn();
zlib.gzip('hello', function() {
const unzip = zlib.createGunzip();
unzip.close(closeCallback);
unzip.write('asd', function(err) {
assert.strictEqual(err.code, 'ERR_STREAM_DESTROYED');
assert.strictEqual(err.name, 'Error');
assert.strictEqual(err.message, 'Cannot call write after a stream was destroyed');
resolve();
});
});
await promise;
assert.strictEqual(closeCallback.mock.callCount(), 1);
});
30 changes: 18 additions & 12 deletions test/parallel/test-zlib-write-after-end.js
Original file line number Diff line number Diff line change
@@ -1,16 +1,22 @@
'use strict';
const common = require('../common');
const zlib = require('zlib');

// Regression test for https://github.com/nodejs/node/issues/30976
// Writes to a stream should finish even after the readable side has been ended.

const data = zlib.deflateRawSync('Welcome');
require('../common');

const inflate = zlib.createInflateRaw();
const assert = require('node:assert');
const zlib = require('node:zlib');
const { test } = require('node:test');

inflate.resume();
inflate.write(data, common.mustCall());
inflate.write(Buffer.from([0x00]), common.mustCall());
inflate.write(Buffer.from([0x00]), common.mustCall());
inflate.flush(common.mustCall());
// Regression test for https://github.com/nodejs/node/issues/30976
test('Writes to a stream should finish even after the readable side has been ended.', async (t) => {
const { promise, resolve } = Promise.withResolvers();
const data = zlib.deflateRawSync('Welcome');
const inflate = zlib.createInflateRaw();
const writeCallback = t.mock.fn();
inflate.resume();
inflate.write(data, writeCallback);
inflate.write(Buffer.from([0x00]), writeCallback);
inflate.write(Buffer.from([0x00]), writeCallback);
inflate.flush(resolve);
await promise;
assert.strictEqual(writeCallback.mock.callCount(), 3);
});
55 changes: 32 additions & 23 deletions test/parallel/test-zlib-write-after-flush.js
Original file line number Diff line number Diff line change
Expand Up @@ -20,30 +20,39 @@
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';
const common = require('../common');
const assert = require('assert');
const zlib = require('zlib');

for (const [ createCompress, createDecompress ] of [
[ zlib.createGzip, zlib.createGunzip ],
[ zlib.createBrotliCompress, zlib.createBrotliDecompress ],
]) {
const gzip = createCompress();
const gunz = createDecompress();
require('../common');

gzip.pipe(gunz);
const assert = require('node:assert');
const zlib = require('node:zlib');
const { test } = require('node:test');

let output = '';
const input = 'A line of data\n';
gunz.setEncoding('utf8');
gunz.on('data', (c) => output += c);
gunz.on('end', common.mustCall(() => {
assert.strictEqual(output, input);
}));
test('zlib should accept writing after flush', async () => {
for (const [createCompress, createDecompress] of [
[zlib.createGzip, zlib.createGunzip],
[zlib.createBrotliCompress, zlib.createBrotliDecompress],
]) {
const { promise, resolve, reject } = Promise.withResolvers();
const gzip = createCompress();
const gunz = createDecompress();

// Make sure that flush/write doesn't trigger an assert failure
gzip.flush();
gzip.write(input);
gzip.end();
gunz.read(0);
}
gzip.pipe(gunz);

let output = '';
const input = 'A line of data\n';
gunz.setEncoding('utf8');
gunz.on('error', reject);
gunz.on('data', (c) => output += c);
gunz.on('end', () => {
assert.strictEqual(output, input);
resolve();
});

// Make sure that flush/write doesn't trigger an assert failure
gzip.flush();
gzip.write(input);
gzip.end();
gunz.read(0);
await promise;
}
});
45 changes: 26 additions & 19 deletions test/parallel/test-zlib-zero-byte.js
Original file line number Diff line number Diff line change
Expand Up @@ -20,24 +20,31 @@
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';
const common = require('../common');
const assert = require('assert');
const zlib = require('zlib');

for (const Compressor of [ zlib.Gzip, zlib.BrotliCompress ]) {
const gz = Compressor();
const emptyBuffer = Buffer.alloc(0);
let received = 0;
gz.on('data', function(c) {
received += c.length;
});
require('../common');

gz.on('end', common.mustCall(function() {
const expected = Compressor === zlib.Gzip ? 20 : 1;
assert.strictEqual(received, expected,
`${received}, ${expected}, ${Compressor.name}`);
}));
gz.on('finish', common.mustCall());
gz.write(emptyBuffer);
gz.end();
}
const assert = require('node:assert');
const zlib = require('node:zlib');
const { test } = require('node:test');

test('zlib should properly handle zero byte input', async () => {
for (const Compressor of [zlib.Gzip, zlib.BrotliCompress]) {
const { promise, resolve, reject } = Promise.withResolvers();
const gz = Compressor();
const emptyBuffer = Buffer.alloc(0);
let received = 0;
gz.on('data', function(c) {
received += c.length;
});
gz.on('error', reject);
gz.on('end', function() {
const expected = Compressor === zlib.Gzip ? 20 : 1;
assert.strictEqual(received, expected,
`${received}, ${expected}, ${Compressor.name}`);
resolve();
});
gz.write(emptyBuffer);
gz.end();
await promise;
}
});
25 changes: 11 additions & 14 deletions test/parallel/test-zlib-zero-windowBits.js
Original file line number Diff line number Diff line change
@@ -1,33 +1,30 @@
'use strict';

require('../common');
const assert = require('assert');
const zlib = require('zlib');

const assert = require('node:assert');
const zlib = require('node:zlib');
const { test } = require('node:test');

// windowBits is a special case in zlib. On the compression side, 0 is invalid.
// On the decompression side, it indicates that zlib should use the value from
// the header of the compressed stream.
{
test('zlib should support zero windowBits', (t) => {
const inflate = zlib.createInflate({ windowBits: 0 });
assert(inflate instanceof zlib.Inflate);
}
assert.ok(inflate instanceof zlib.Inflate);

{
const gunzip = zlib.createGunzip({ windowBits: 0 });
assert(gunzip instanceof zlib.Gunzip);
}
assert.ok(gunzip instanceof zlib.Gunzip);

{
const unzip = zlib.createUnzip({ windowBits: 0 });
assert(unzip instanceof zlib.Unzip);
}
assert.ok(unzip instanceof zlib.Unzip);
});

{
test('windowBits should be valid', () => {
assert.throws(() => zlib.createGzip({ windowBits: 0 }), {
code: 'ERR_OUT_OF_RANGE',
name: 'RangeError',
message: 'The value of "options.windowBits" is out of range. ' +
'It must be >= 9 and <= 15. Received 0'
'It must be >= 9 and <= 15. Received 0'
});
}
});

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