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#!/usr/bin/env -S deno -A
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { parse } from "../flags/mod.ts";
import { glob, isGlob, walk } from "../fs/mod.ts";
import { runTests } from "./mod.ts";
const { args, cwd } = Deno;
const DEFAULT_GLOBS = [
"**/*_test.ts",
"**/*_test.js",
"**/test.ts",
"**/test.js"
];
/* eslint-disable max-len */
function showHelp(): void {
console.log(`Deno test runner
USAGE:
deno -A https://deno.land/std/testing/runner.ts [OPTIONS] [FILES...]
OPTIONS:
-q, --quiet Don't show output from test cases
-f, --failfast Stop test suite on first error
-e, --exclude <FILES...> List of file names to exclude from run. If this options is
used files to match must be specified after "--".
ARGS:
[FILES...] List of file names to run. Defaults to: ${DEFAULT_GLOBS.join(
","
)}
`);
}
/* eslint-enable max-len */
function filePathToRegExp(str: string): RegExp {
if (isGlob(str)) {
return glob(str, { flags: "g" });
}
return RegExp(str, "g");
}
function isRemoteUrl(url: string): boolean {
return /^https?:\/\//.test(url);
}
function partition(
arr: string[],
callback: (el: string) => boolean
): [string[], string[]] {
return arr.reduce(
(paritioned: [string[], string[]], el: string): [string[], string[]] => {
paritioned[callback(el) ? 1 : 0].push(el);
return paritioned;
},
[[], []]
);
}
/**
* Given list of globs or URLs to include and exclude and root directory return
* list of file URLs that should be imported for test runner.
*/
export async function getMatchingUrls(
matchPaths: string[],
excludePaths: string[],
root: string
): Promise<string[]> {
const [includeLocal, includeRemote] = partition(matchPaths, isRemoteUrl);
const [excludeLocal, excludeRemote] = partition(excludePaths, isRemoteUrl);
const localFileIterator = walk(root, {
match: includeLocal.map((f: string): RegExp => filePathToRegExp(f)),
skip: excludeLocal.map((f: string): RegExp => filePathToRegExp(f))
});
let matchingLocalUrls: string[] = [];
for await (const { filename } of localFileIterator) {
matchingLocalUrls.push(`file://${filename}`);
}
const excludeRemotePatterns = excludeRemote.map(
(url: string): RegExp => RegExp(url)
);
const matchingRemoteUrls = includeRemote.filter(
(candidateUrl: string): boolean => {
return !excludeRemotePatterns.some(
(pattern: RegExp): boolean => {
const r = pattern.test(candidateUrl);
pattern.lastIndex = 0;
return r;
}
);
}
);
return matchingLocalUrls.concat(matchingRemoteUrls);
}
/**
* This function runs matching test files in `root` directory.
*
* File matching and excluding supports glob syntax, ie. if encountered arg is
* a glob it will be expanded using `glob` method from `fs` module.
*
* Note that your shell may expand globs for you:
* $ deno -A ./runner.ts **\/*_test.ts **\/test.ts
*
* Expanding using `fs.glob`:
* $ deno -A ./runner.ts \*\*\/\*_test.ts \*\*\/test.ts
*
* `**\/*_test.ts` and `**\/test.ts"` are arguments that will be parsed and
* expanded as: [glob("**\/*_test.ts"), glob("**\/test.ts")]
*/
// TODO: change return type to `Promise<void>` once, `runTests` is updated
// to return boolean instead of exiting
export async function main(root: string = cwd()): Promise<void> {
const parsedArgs = parse(args.slice(1), {
boolean: ["quiet", "failfast", "help"],
string: ["exclude"],
alias: {
help: ["h"],
quiet: ["q"],
failfast: ["f"],
exclude: ["e"]
}
});
if (parsedArgs.help) {
return showHelp();
}
let includeFiles: string[];
let excludeFiles: string[];
if (parsedArgs._.length) {
includeFiles = (parsedArgs._ as string[])
.map(
(fileGlob: string): string[] => {
return fileGlob.split(",");
}
)
.flat();
} else {
includeFiles = DEFAULT_GLOBS;
}
if (parsedArgs.exclude) {
excludeFiles = (parsedArgs.exclude as string).split(",");
} else {
excludeFiles = [];
}
const foundTestUrls = await getMatchingUrls(includeFiles, excludeFiles, root);
if (foundTestUrls.length === 0) {
console.error("No matching test files found.");
return;
}
console.log(`Found ${foundTestUrls.length} matching test files.`);
for (const url of foundTestUrls) {
await import(url);
}
await runTests({
exitOnFail: !!parsedArgs.failfast,
disableLog: !!parsedArgs.quiet
});
}
if (import.meta.main) {
main();
}
|
