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chai-gulp-helpers

v0.0.3

Published

A simple test helper to verify that your stream returns the expected files.

Downloads

12

Readme

chai-gulp-helpers

Build Status Coverage Status

This is a chai plugin for testing gulp plugins.

Installation

You can install chai-gulp-helpers via npm:

$ npm install --save-dev chai-gulp-helpers

Usage

Enable the plugin:

var chai = require("chai");
var chaiGulpHelpers = require("chai-gulp-helpers");
chai.use(chaiGulpHelpers);

This gives you two kinds of syntax:

// Verify that two arrays of Vinyl files are equal (have the same files with same content):
expect(fileList1).to.be.sameFilesAs(fileList2);
// Verify that two streams return the equal list of Vinyl files (returns a promise)
expect(stream1).to.produce.sameFilesAs(stream2);

Examples

describe("my gulp plugin", function () {
    it("should do something", function () {
        var expected = gulp.src("./expected/**/*", { base: "./expected/" });
        var actual = gulp.src("./fixtures/**/*", { base: "./fixtures/" })
            .pipe(myGulpPlugin());
        return expect(actual).to.produce.sameFilesAs(expected);
    });
});

This test will pass if the files in fixtures folder processed by your plugin match those in the expected folder.