concat_test.js

'use strict';

var grunt = require('grunt');
var comment = require('../tasks/lib/comment').init(grunt);
var exec = require('child_process').exec;
var path = require('path');
var fs = require('fs');

var execOptions = {cwd: path.join(__dirname, '..')};

function getNormalizedFile(filepath) {
  return grunt.util.normalizelf(grunt.file.read(filepath));
}

exports.concat = {
  default_options: function(test) {
    test.expect(1);

    var actual = getNormalizedFile('tmp/default_options');
    var expected = getNormalizedFile('test/expected/default_options');
    test.equal(actual, expected, 'should describe what the default behavior is.');

    test.done();
  },
  custom_options: function(test) {
    test.expect(1);

    var actual = getNormalizedFile('tmp/custom_options');
    var expected = getNormalizedFile('test/expected/custom_options');
    test.equal(actual, expected, 'should utilize custom banner, footer and separator.');

    test.done();
  },
  handling_invalid_files: function(test) {
    test.expect(3);

    exec('grunt concat-warn', execOptions, function(error, stdout) {
      test.ok(stdout.indexOf('Warning:') > -1, 'should print a warning.');
      test.ok(stdout.indexOf('Aborted due to warnings.') > -1, 'should abort.');

      fs.exists('tmp/handling_invalid_files', function(exists) {
        test.ok(!exists, 'should not have created a file.');
        test.done();
      });
    });
  },
  handling_invalid_files_force: function(test) {
    test.expect(2);

    exec('grunt concat-force --force', execOptions, function(error, stdout) {
      test.ok(stdout.indexOf('Warning:') > -1, 'should print a warning.');

      var actual = getNormalizedFile('tmp/handling_invalid_files_force');
      var expected = getNormalizedFile('test/expected/handling_invalid_files_force');
      test.equal(actual, expected, 'should not fail.');

      test.done();
    });
  },
  strip_banner: function(test) {
    test.expect(10);

    var src = getNormalizedFile('test/fixtures/banner.js');
    test.equal(comment.stripBanner(src), grunt.util.normalizelf('// Comment\n\n/* Comment */\n'), 'It should strip the top banner.');
    test.equal(comment.stripBanner(src, {block: true}), grunt.util.normalizelf('// Comment\n\n/* Comment */\n'), 'It should strip the top banner.');
    test.equal(comment.stripBanner(src, {block: true, line: true}), grunt.util.normalizelf('// Comment\n\n/* Comment */\n'), 'It should strip the top banner.');

    src = getNormalizedFile('test/fixtures/banner2.js');
    test.equal(comment.stripBanner(src), grunt.util.normalizelf('\n/*! SAMPLE\n * BANNER */\n\n// Comment\n\n/* Comment */\n'), 'It should not strip the top banner.');
    test.equal(comment.stripBanner(src, {block: true}), grunt.util.normalizelf('// Comment\n\n/* Comment */\n'), 'It should strip the top banner.');
    test.equal(comment.stripBanner(src, {block: true, line: true}), grunt.util.normalizelf('// Comment\n\n/* Comment */\n'), 'It should strip the top banner.');

    src = getNormalizedFile('test/fixtures/banner3.js');
    test.equal(comment.stripBanner(src), grunt.util.normalizelf('\n// This is\n// A sample\n// Banner\n\n// But this is not\n\n/* And neither\n * is this\n */\n'), 'It should not strip the top banner.');
    test.equal(comment.stripBanner(src, {block: true}), grunt.util.normalizelf('\n// This is\n// A sample\n// Banner\n\n// But this is not\n\n/* And neither\n * is this\n */\n'), 'It should not strip the top banner.');
    test.equal(comment.stripBanner(src, {line: true}), grunt.util.normalizelf('// But this is not\n\n/* And neither\n * is this\n */\n'), 'It should strip the top banner.');
    test.equal(comment.stripBanner(src, {block: true, line: true}), grunt.util.normalizelf('// But this is not\n\n/* And neither\n * is this\n */\n'), 'It should strip the top banner.');
    test.done();
  },
  process_function: function(test) {
    test.expect(1);

    var actual = getNormalizedFile('tmp/process_function');
    var expected = getNormalizedFile('test/expected/process_function');
    test.equal(actual, expected, 'should have processed file content.');

    test.done();
  },
  process_dir_path: function(test) {
    test.expect(1);

    var actual = getNormalizedFile('tmp/process_dir_path');
    var expected = getNormalizedFile('test/expected/process_dir_path');
    test.equal(actual, expected, 'should have nothing.');

    test.done();
  },
  overwrite: function(test) {
    test.expect(1);

    var actual = getNormalizedFile('tmp/overwrite');
    var expected = getNormalizedFile('test/expected/overwrite');
    test.equal(actual, expected, 'should overwrite contents.');

    test.done();
  },
  sourcemap_options: function(test) {
    test.expect(5);

    var actual = getNormalizedFile('tmp/sourcemap_inline');
    var expected = getNormalizedFile('test/expected/sourcemap_inline');
    test.equal(actual, expected, 'should output the source with inlined map.');

    actual = getNormalizedFile('tmp/maps/sourcemap2_link.map');
    expected = getNormalizedFile('test/expected/sourcemap2_link.map');
    test.equal(actual, expected, 'should output the constructed map.');

    actual = getNormalizedFile('tmp/sourcemap3_embed_map.map');
    expected = getNormalizedFile('test/expected/sourcemap3_embed.map');
    test.equal(actual, expected, 'should output the constructed map.');

    actual = getNormalizedFile('tmp/sourcemap_js.js.map');
    expected = getNormalizedFile('test/expected/sourcemap_js.js.map');
    test.equal(actual, expected, 'should output the js map.');

    actual = getNormalizedFile('tmp/sourcemap_css.css.map');
    expected = getNormalizedFile('test/expected/sourcemap_css.css.map');
    test.equal(actual, expected, 'should output the css map.');

    test.done();
  }
};