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Inline JavaScript (ES6) unit-tests with node, gulp, speckjs, babel & tape
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| require('babel-core/register'); | |
| var babel = require('babel-core'); | |
| var gulp = require('gulp'); | |
| var speckjs = require('speckjs'); | |
| var tape = require('tape'); | |
| var through = require('through2'); | |
| function requireFromBuffer(buffer) { | |
| var m = new module.constructor(); | |
| m.paths = module.paths; | |
| m._compile(buffer.toString()); | |
| return m.exports; | |
| } | |
| function compile() { | |
| return through.obj(function (file, enc, cb) { | |
| file.contents = new Buffer(babel.transform(file.contents.toString()).code); | |
| cb(null, file); | |
| }); | |
| } | |
| function spec() { | |
| return through.obj(function (file, enc, cb) { | |
| speckjs.build({ | |
| name: file.path, | |
| content: file.contents.toString() | |
| }, { | |
| testFW: 'tape', | |
| onBuild: function(output) { | |
| file.contents = new Buffer(output); | |
| cb(null, file); | |
| } | |
| }); | |
| }); | |
| } | |
| function test() { | |
| var files = []; | |
| return through.obj(function (file, enc, cb) { | |
| files.push(file.contents); | |
| cb(null, file); | |
| }, function(cb) { | |
| tape.createStream().pipe(process.stdout); | |
| files.forEach(requireFromBuffer); | |
| cb(); | |
| }); | |
| }; | |
| gulp.task('default', ['speck']); | |
| gulp.task('speck', function() { | |
| return gulp.src('./src/*.js') | |
| .pipe(compile()) | |
| .pipe(spec()) | |
| .pipe(test()); | |
| }); |
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| { | |
| "version": "1.0.0", | |
| "scripts": { | |
| "test": "gulp" | |
| }, | |
| "author": "", | |
| "license": "ISC", | |
| "devDependencies": { | |
| "babel-core": "^5.8.24", | |
| "gulp": "^3.9.0", | |
| "speckjs": "^1.1.0", | |
| "tape": "^4.2.0", | |
| "through2": "^2.0.0" | |
| } | |
| } |
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| // ./src/total.js | |
| /** | |
| total :: Num a => [a] -> a | |
| test > total function | |
| # total([1, 2]) == 3 (returns the sum of array) | |
| # total([3, 4, -5]) == 2 (works with negative numbers) | |
| # total([]) == 0 (works with an empty array) | |
| # total() == 0 (works with no arguments) | |
| */ | |
| export function total(x = []) { | |
| return x.reduce((x, y) => x + y, 0); | |
| } |
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