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reorg: move js runtime tests to cli/js/tests/ (#4250)
All Deno runtime test files were moved to cli/js/tests/ directory. It makes a clear distinction that cli/js/tests/ contains code that is run under Deno runtime as opposed to code in cli/js/ which is used to create bundle and snapshot with "deno_typescript".
This commit is contained in:
Bartek Iwańczuk
GitHub
parent
dad8036766
commit
68119e1d7e
65 changed files with 76 additions and 18 deletions
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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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// This code has been ported almost directly from Go's src/bytes/buffer_test.go
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// Copyright 2009 The Go Authors. All rights reserved. BSD license.
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// https://github.com/golang/go/blob/master/LICENSE
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import {
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assertEquals,
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assert,
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assertStrContains,
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unitTest
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} from "./test_util.ts";
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const { Buffer, readAll, readAllSync, writeAll, writeAllSync } = Deno;
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type Buffer = Deno.Buffer;
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// N controls how many iterations of certain checks are performed.
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const N = 100;
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let testBytes: Uint8Array | null;
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let testString: string | null;
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function init(): void {
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if (testBytes == null) {
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testBytes = new Uint8Array(N);
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for (let i = 0; i < N; i++) {
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testBytes[i] = "a".charCodeAt(0) + (i % 26);
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}
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const decoder = new TextDecoder();
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testString = decoder.decode(testBytes);
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}
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}
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function check(buf: Deno.Buffer, s: string): void {
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const bytes = buf.bytes();
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assertEquals(buf.length, bytes.byteLength);
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const decoder = new TextDecoder();
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const bytesStr = decoder.decode(bytes);
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assertEquals(bytesStr, s);
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assertEquals(buf.length, buf.toString().length);
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assertEquals(buf.length, s.length);
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}
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// Fill buf through n writes of byte slice fub.
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// The initial contents of buf corresponds to the string s;
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// the result is the final contents of buf returned as a string.
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async function fillBytes(
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buf: Buffer,
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s: string,
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n: number,
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fub: Uint8Array
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): Promise<string> {
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check(buf, s);
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for (; n > 0; n--) {
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const m = await buf.write(fub);
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assertEquals(m, fub.byteLength);
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const decoder = new TextDecoder();
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s += decoder.decode(fub);
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check(buf, s);
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}
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return s;
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}
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// Empty buf through repeated reads into fub.
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// The initial contents of buf corresponds to the string s.
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async function empty(buf: Buffer, s: string, fub: Uint8Array): Promise<void> {
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check(buf, s);
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while (true) {
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const r = await buf.read(fub);
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if (r === Deno.EOF) {
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break;
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}
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s = s.slice(r);
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check(buf, s);
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}
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check(buf, "");
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}
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function repeat(c: string, bytes: number): Uint8Array {
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assertEquals(c.length, 1);
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const ui8 = new Uint8Array(bytes);
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ui8.fill(c.charCodeAt(0));
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return ui8;
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}
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unitTest(function bufferNewBuffer(): void {
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init();
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assert(testBytes);
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assert(testString);
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const buf = new Buffer(testBytes.buffer as ArrayBuffer);
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check(buf, testString);
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});
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unitTest(async function bufferBasicOperations(): Promise<void> {
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init();
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assert(testBytes);
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assert(testString);
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const buf = new Buffer();
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for (let i = 0; i < 5; i++) {
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check(buf, "");
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buf.reset();
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check(buf, "");
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buf.truncate(0);
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check(buf, "");
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let n = await buf.write(testBytes.subarray(0, 1));
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assertEquals(n, 1);
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check(buf, "a");
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n = await buf.write(testBytes.subarray(1, 2));
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assertEquals(n, 1);
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check(buf, "ab");
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n = await buf.write(testBytes.subarray(2, 26));
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assertEquals(n, 24);
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check(buf, testString.slice(0, 26));
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buf.truncate(26);
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check(buf, testString.slice(0, 26));
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buf.truncate(20);
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check(buf, testString.slice(0, 20));
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await empty(buf, testString.slice(0, 20), new Uint8Array(5));
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await empty(buf, "", new Uint8Array(100));
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// TODO buf.writeByte()
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// TODO buf.readByte()
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}
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});
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unitTest(async function bufferReadEmptyAtEOF(): Promise<void> {
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// check that EOF of 'buf' is not reached (even though it's empty) if
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// results are written to buffer that has 0 length (ie. it can't store any data)
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const buf = new Buffer();
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const zeroLengthTmp = new Uint8Array(0);
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const result = await buf.read(zeroLengthTmp);
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assertEquals(result, 0);
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});
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unitTest(async function bufferLargeByteWrites(): Promise<void> {
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init();
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const buf = new Buffer();
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const limit = 9;
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for (let i = 3; i < limit; i += 3) {
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const s = await fillBytes(buf, "", 5, testBytes!);
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await empty(buf, s, new Uint8Array(Math.floor(testString!.length / i)));
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}
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check(buf, "");
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});
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unitTest(async function bufferTooLargeByteWrites(): Promise<void> {
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init();
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const tmp = new Uint8Array(72);
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const growLen = Number.MAX_VALUE;
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const xBytes = repeat("x", 0);
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const buf = new Buffer(xBytes.buffer as ArrayBuffer);
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await buf.read(tmp);
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let err;
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try {
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buf.grow(growLen);
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} catch (e) {
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err = e;
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}
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assert(err instanceof Error);
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assertStrContains(err.message, "grown beyond the maximum size");
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});
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unitTest(async function bufferLargeByteReads(): Promise<void> {
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init();
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assert(testBytes);
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assert(testString);
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const buf = new Buffer();
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for (let i = 3; i < 30; i += 3) {
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const n = Math.floor(testBytes.byteLength / i);
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const s = await fillBytes(buf, "", 5, testBytes.subarray(0, n));
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await empty(buf, s, new Uint8Array(testString.length));
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}
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check(buf, "");
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});
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unitTest(function bufferCapWithPreallocatedSlice(): void {
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const buf = new Buffer(new ArrayBuffer(10));
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assertEquals(buf.capacity, 10);
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});
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unitTest(async function bufferReadFrom(): Promise<void> {
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init();
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assert(testBytes);
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assert(testString);
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const buf = new Buffer();
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for (let i = 3; i < 30; i += 3) {
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const s = await fillBytes(
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buf,
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"",
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5,
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testBytes.subarray(0, Math.floor(testBytes.byteLength / i))
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);
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const b = new Buffer();
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await b.readFrom(buf);
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const fub = new Uint8Array(testString.length);
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await empty(b, s, fub);
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}
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});
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unitTest(async function bufferReadFromSync(): Promise<void> {
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init();
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assert(testBytes);
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assert(testString);
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const buf = new Buffer();
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for (let i = 3; i < 30; i += 3) {
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const s = await fillBytes(
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buf,
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"",
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5,
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testBytes.subarray(0, Math.floor(testBytes.byteLength / i))
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);
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const b = new Buffer();
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b.readFromSync(buf);
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const fub = new Uint8Array(testString.length);
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await empty(b, s, fub);
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}
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});
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unitTest(async function bufferTestGrow(): Promise<void> {
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const tmp = new Uint8Array(72);
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for (const startLen of [0, 100, 1000, 10000, 100000]) {
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const xBytes = repeat("x", startLen);
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for (const growLen of [0, 100, 1000, 10000, 100000]) {
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const buf = new Buffer(xBytes.buffer as ArrayBuffer);
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// If we read, this affects buf.off, which is good to test.
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const result = await buf.read(tmp);
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const nread = result === Deno.EOF ? 0 : result;
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buf.grow(growLen);
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const yBytes = repeat("y", growLen);
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await buf.write(yBytes);
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// Check that buffer has correct data.
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assertEquals(
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buf.bytes().subarray(0, startLen - nread),
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xBytes.subarray(nread)
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);
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assertEquals(
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buf.bytes().subarray(startLen - nread, startLen - nread + growLen),
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yBytes
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);
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}
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}
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});
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unitTest(async function testReadAll(): Promise<void> {
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init();
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assert(testBytes);
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const reader = new Buffer(testBytes.buffer as ArrayBuffer);
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const actualBytes = await readAll(reader);
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assertEquals(testBytes.byteLength, actualBytes.byteLength);
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for (let i = 0; i < testBytes.length; ++i) {
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assertEquals(testBytes[i], actualBytes[i]);
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}
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});
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unitTest(function testReadAllSync(): void {
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init();
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assert(testBytes);
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const reader = new Buffer(testBytes.buffer as ArrayBuffer);
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const actualBytes = readAllSync(reader);
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assertEquals(testBytes.byteLength, actualBytes.byteLength);
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for (let i = 0; i < testBytes.length; ++i) {
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assertEquals(testBytes[i], actualBytes[i]);
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}
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});
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unitTest(async function testWriteAll(): Promise<void> {
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init();
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assert(testBytes);
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const writer = new Buffer();
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await writeAll(writer, testBytes);
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const actualBytes = writer.bytes();
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assertEquals(testBytes.byteLength, actualBytes.byteLength);
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for (let i = 0; i < testBytes.length; ++i) {
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assertEquals(testBytes[i], actualBytes[i]);
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}
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});
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unitTest(function testWriteAllSync(): void {
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init();
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assert(testBytes);
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const writer = new Buffer();
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writeAllSync(writer, testBytes);
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const actualBytes = writer.bytes();
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assertEquals(testBytes.byteLength, actualBytes.byteLength);
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for (let i = 0; i < testBytes.length; ++i) {
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assertEquals(testBytes[i], actualBytes[i]);
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}
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});
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