fs-temp/test/template.js

var lib = require('../');

var fs = require('fs');
var assert = require('assert');

var libWithTemplate = lib.template('abc-%s-xyz');

function assertPathMatches(path) {
  assert.ok(/abc-.*-xyz/.test(path), 'path matches pattern');
}

describe('template', function () {

  var cleanup = [];

  after(function () {

    cleanup.forEach(function (fn) {
      try { fn(); } catch (err) {}
    });

    cleanup = [];

  });

  it('should open a file', function (done) {

    libWithTemplate.open('w', function (err, res) {
      assert.ifError(err);
      cleanup.push(fs.closeSync.bind(fs, res.fd));
      cleanup.push(fs.unlinkSync.bind(fs, res.path));
      assertPathMatches(res.path);
      done();
    });

  });

  it('should create a directory', function (done) {

    libWithTemplate.mkdir(function (err, path) {
      assert.ifError(err);
      cleanup.push(fs.rmdirSync.bind(fs, path));
      assertPathMatches(path);
      done();
    });

  });

  it('should write a file', function (done) {

    var content = new Buffer('hello world');

    libWithTemplate.writeFile(content, function (err, path) {
      assert.ifError(err);
      cleanup.push(fs.unlinkSync.bind(fs, path));
      assertPathMatches(path);
      done();
    });

  });

  it('should write a stream', function (done) {

    var content = new Buffer('hello world');
    var out = libWithTemplate.createWriteStream();

    out.on('finish', function () {
      cleanup.push(fs.unlinkSync.bind(fs, out.path));
      assertPathMatches(out.path);
      done();
    });

    out.end(content);

  });

});