gulp-footer/test/main.js

Gulp extension to add footer to file(s) in the pipeline.

/* jshint node: true */
/* global describe, it, beforeEach */
"use strict";

var footer = require("../");
var should = require("should");
var Vinyl = require("vinyl");
require("mocha");

describe("gulp-footer", function () {
  var fakeFile;

  function getFakeFile(fileContent) {
    return new Vinyl({
      path: "./test/fixture/file.js",
      cwd: "./test/",
      base: "./test/fixture/",
      contents: Buffer.from(fileContent || ""),
    });
  }

  beforeEach(function () {
    fakeFile = getFakeFile("Hello world");
  });

  describe("footer", function () {
    it("file should pass through", function (done) {
      var file_count = 0;
      var stream = footer();
      stream.on("data", function (newFile) {
        should.exist(newFile);
        should.exist(newFile.path);
        should.exist(newFile.relative);
        should.exist(newFile.contents);
        newFile.path.should.equal("./test/fixture/file.js");
        newFile.relative.should.equal("file.js");
        newFile.contents.toString().should.equal("Hello world");
        ++file_count;
      });

      stream.once("end", function () {
        file_count.should.equal(1);
        done();
      });

      stream.write(fakeFile);
      stream.end();
    });

    it("should append the footer to the file content", function (done) {
      var stream = footer(" : before I said");
      stream.on("data", function (newFile) {
        should.exist(newFile.contents);
        newFile.contents.toString().should.equal("Hello world : before I said");
      });
      stream.once("end", done);

      stream.write(fakeFile);
      stream.end();
    });

    it("should format the footer", function (done) {
      var stream = footer(" : and then <%= foo %> said", { foo: "you" });
      //var stream = footer('And then ${foo} said : ', { foo : 'you' } );
      stream.on("data", function (newFile) {
        should.exist(newFile.contents);
        newFile.contents
          .toString()
          .should.equal("Hello world : and then you said");
      });
      stream.once("end", done);

      stream.write(fakeFile);
      stream.end();
    });

    it("should format the footer (ES6 delimiters)", function (done) {
      var stream = footer(" : and then ${foo} said", { foo: "you" });
      stream.on("data", function (newFile) {
        should.exist(newFile.contents);
        newFile.contents
          .toString()
          .should.equal("Hello world : and then you said");
      });
      stream.once("end", done);

      stream.write(fakeFile);
      stream.end();
    });

    it("should access to the current file", function (done) {
      var stream = footer("\n<%= file.relative %>\n<%= file.path %>");
      stream.on("data", function (newFile) {
        should.exist(newFile.contents);
        newFile.contents
          .toString()
          .should.equal("Hello world\nfile.js\n./test/fixture/file.js");
      });
      stream.once("end", done);

      stream.write(fakeFile);
      stream.end();
    });
  });
});