106 lines
3.1 KiB
Markdown
106 lines
3.1 KiB
Markdown
<h1 align="center">Tape-ES</h1>
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A **[Tape.js][]** test runner and watcher for modern JavaScript. Works with both ES modules and CommonJS.
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<div align="center">
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<a href="https://github.com/vanillaes/tape-es/releases"><img src="https://badgen.net/github/tag/vanillaes/tape-es" alt="GitHub Release"></a>
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<a href="https://www.npmjs.com/package/tape-es"><img src="https://badgen.net/npm/v/tape-es" alt="NPM Release"></a>
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<a href="https://github.com/vanillaes/tape-es/actions"><img src="https://github.com/vanillaes/tape-es/workflows/Latest/badge.svg" alt="Latest Status"></a>
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<a href="https://github.com/vanillaes/tape-es/actions"><img src="https://github.com/vanillaes/tape-es/workflows/Release/badge.svg" alt="Release Status"></a>
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<a href="https://discord.gg/aSWYgtybzV"><img alt="Discord" src="https://img.shields.io/discord/723296249121603604?color=%23738ADB"></a>
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</div>
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## Features
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- runs ES module tests
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- runs tests in parallel for speed
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- uses sensible defaults
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- works with `type: module` packages
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*Note: Since this is an ES package, it requires Node >= v14.x*
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## tape-es
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### Arguments
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`tape-es [pattern] -i [pattern] -r [path] -t [number]`
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- `[pattern]` - the file matcher pattern (default `**/*.spec.js`)
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- `-i` | `--ignore` - the ignore matcher pattern (default `**/node_modules/**`)
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- `-r` | `--root` - the root path to run the tests from (default `process.cwd()`)
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- `-t` | `--threads` - Number of threads to run concurrently (default `10`)
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### Basic Usage
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Use the defaults
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```sh
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tape-es
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```
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### Advanced Usage
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Specify custom parameters
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```sh
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tape-es "**/*.spec.js" -i "node_modules/**" -r ../absurdum/ -t 20
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```
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**Note: In Linux/OSX the matcher patterns must be delimited in quotes.**
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## tape-watch-es
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### Arguments
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`tape-es [pattern] -i [pattern] -r [path]`
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- `[pattern]` - the file matcher pattern (default `**/*.spec.js`)
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- `-i` | `--ignore` - the ignore matcher pattern (default `**/node_modules/**`)
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- `-r` | `--root` - the root path to run the tests from (default `process.cwd()`)
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### Basic Usage
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Use the defaults
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```sh
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tape-watch-es
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```
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### Advanced Usage
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Specify custom parameters
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```sh
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tape-es "**/*.spec.js" -i "node_modules/**" -r ../absurdum/
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```
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**Note: In Linux/OSX the matcher patterns must be delimited in quotes.**
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## Writing Tests
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Tests are identical to Tape.js, except `import` is used to load modules rather than require.
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```javascript
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import test from 'tape';
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import { arrays } from '../../index.js';
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test('arrays.chunk(array) - should return a chunk for each item in the array', t => {
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// ...test code
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});
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```
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## Tap Reporters
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One of the greatest advantages to using Tape, is that it outputs results in the standard [TAP][] format. That means you can pipe the results into a wide array of TAP reporters.
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The parallel nature of this runner will break most reporters. As a General rule.
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1. if you want speed (ie CI/CD) don't use a reporter
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2. if you want speed and readability use [tap-spec][]
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3. if you want to use any reporter, run tests in parallel with `tape-es -t 1`
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[Tape.js]: https://github.com/substack/tape
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[TAP]: https://en.wikipedia.org/wiki/Test_Anything_Protocol
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[tap-spec]: https://github.com/scottcorgan/tap-spec
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