1 | "use strict";
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2 |
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3 | var express = require('express');
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4 | var fs = require('fs');
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5 | var mkdirp = require('mkdirp');
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6 | var middleware = require('../lib/middleware');
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7 | var os = require('os');
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8 | var request = require('supertest');
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9 | var assert = require('assert');
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10 | var copySync = require('fs-extra').copySync;
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11 | var path = require('path');
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12 |
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13 | var tmpDest = __dirname + '/artifacts';
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14 | var clearCache = function(filename) {
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15 | if(fs.existsSync(tmpDest + '/' + filename)) {
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16 |
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17 |
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18 | fs.unlinkSync(tmpDest + '/' + filename);
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19 | }
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20 | };
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21 |
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22 | var setupExpress = function(src, options, staticDest) {
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23 | staticDest = staticDest || options.dest;
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24 | options = options || {};
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25 | var app = express();
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26 | app.use(middleware(src, options));
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27 | app.use(express.static(staticDest));
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28 | return app;
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29 | }
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30 |
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31 | describe('middleware', function(){
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32 | describe('simple', function(){
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33 | var app = setupExpress(__dirname + '/fixtures', {
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34 | dest: tmpDest
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35 | });
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36 |
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37 | it('should process simple less files', function(done){
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38 | var expected = fs.readFileSync(__dirname + '/fixtures/simple-exp.css', 'utf8');
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39 | request(app)
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40 | .get('/simple.css')
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41 | .expect(200)
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42 | .expect(expected, done);
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43 | });
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44 | });
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45 |
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46 | describe('source map', function(){
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47 | var app = setupExpress(__dirname + '/fixtures', {
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48 | dest: tmpDest,
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49 | force: true,
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50 | render: {
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51 | sourceMap: {
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52 | sourceMapBasepath: __dirname + '/fixtures'
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53 | }
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54 | }
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55 | });
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56 |
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57 | it('should handle source map files', function(done){
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58 | var expected = fs.readFileSync(__dirname + '/fixtures/simple-exp.css.map', 'utf8');
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59 | request(app)
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60 | .get('/simple.css.map')
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61 | .expect(200)
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62 | .expect(expected, done);
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63 | });
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64 | });
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65 |
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66 | describe('import', function(){
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67 | var app = setupExpress(__dirname + '/fixtures', {
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68 | dest: tmpDest
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69 | });
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70 |
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71 | it('should process less files with imports', function(done){
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72 | var expected = fs.readFileSync(__dirname + '/fixtures/importSimple-exp.css', 'utf8');
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73 | request(app)
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74 | .get('/importSimple.css')
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75 | .expect(200)
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76 | .expect(expected, done);
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77 | });
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78 |
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79 | it('should process less files with nested imports', function(done){
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80 | var expected = fs.readFileSync(__dirname + '/fixtures/import-exp.css', 'utf8');
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81 | request(app)
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82 | .get('/import.css')
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83 | .expect(200)
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84 | .expect(expected, done);
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85 | });
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86 | });
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87 |
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88 | describe('options', function(){
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89 | describe('postprocess', function(){
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90 | describe('css', function(){
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91 | var app = setupExpress(__dirname + '/fixtures', {
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92 | dest: tmpDest,
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93 | postprocess: {
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94 | css: function(css, req) {
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95 | return '/* Prepended Comment */\n' + css;
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96 | }
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97 | }
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98 | });
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99 |
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100 | it('should prepend the comment on all output css', function(done){
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101 | var expected = fs.readFileSync(__dirname + '/fixtures/postprocessCss-exp.css', 'utf8');
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102 | request(app)
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103 | .get('/postprocessCss.css')
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104 | .expect(200)
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105 | .expect(expected, done);
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106 | });
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107 | });
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108 | });
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109 |
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110 | describe('preprocess', function(){
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111 | describe('less', function(){
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112 | var app = setupExpress(__dirname + '/fixtures', {
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113 | dest: tmpDest,
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114 | preprocess: {
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115 | less: function(src, req) {
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116 | if (req.query.namespace) {
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117 | src = req.query.namespace + " { " + src + " }";
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118 | }
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119 | return src;
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120 | }
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121 | }
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122 | });
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123 |
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124 | it('should add namespace when found', function(done){
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125 | var expected = fs.readFileSync(__dirname + '/fixtures/preprocessLess-exp-a.css', 'utf8');
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126 | clearCache('preprocessLess.css');
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127 | request(app)
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128 | .get('/preprocessLess.css?namespace=h1')
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129 | .expect(200)
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130 | .expect(expected, done);
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131 | });
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132 |
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133 | it('should not add namespace when none provided', function(done){
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134 | var expected = fs.readFileSync(__dirname + '/fixtures/preprocessLess-exp-b.css', 'utf8');
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135 | clearCache('preprocessLess.css');
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136 | request(app)
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137 | .get('/preprocessLess.css')
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138 | .expect(200)
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139 | .expect(expected, done);
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140 | });
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141 | });
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142 |
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143 | describe('path', function(){
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144 | var app = setupExpress(__dirname + '/fixtures', {
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145 | dest: tmpDest,
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146 | preprocess: {
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147 | path: function(pathname, req) {
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148 | return pathname.replace('.ltr', '');
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149 | }
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150 | }
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151 | });
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152 |
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153 | it('should remove .ltr from the less path when found', function(done){
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154 | var expected = fs.readFileSync(__dirname + '/fixtures/preprocessPath-exp.css', 'utf8');
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155 | request(app)
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156 | .get('/preprocessPath.ltr.css')
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157 | .expect(200)
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158 | .expect(expected, done);
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159 | });
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160 |
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161 | it('should not change less path when no matching .ltr', function(done){
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162 | var expected = fs.readFileSync(__dirname + '/fixtures/preprocessPath-exp.css', 'utf8');
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163 | request(app)
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164 | .get('/preprocessPath.css')
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165 | .expect(200)
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166 | .expect(expected, done);
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167 | });
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168 | });
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169 |
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170 | describe('importPaths', function(){
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171 | var app = setupExpress(__dirname + '/fixtures', {
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172 | dest: tmpDest,
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173 | preprocess: {
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174 | path: function(pathname, req) {
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175 | var returnPath = pathname.replace(/(\/[0-9\.0-9\.0-9].*\/)/, '/');
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176 | return returnPath;
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177 | },
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178 | importPaths: function(paths, req) {
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179 | var version = req.url.match(/\/([0-9\.0-9\.0-9]*)/);
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180 | var reqPath = path.join(__dirname, 'fixtures', 'external', version[1] , '/');
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181 | var paths = [
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182 | reqPath,
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183 | path.join(reqPath, 'ui')
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184 | ];
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185 | return paths;
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186 | }
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187 | }
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188 | });
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189 |
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190 | it('should respond with newly mapped paths', function(done){
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191 | var expected = fs.readFileSync(__dirname + '/fixtures/preprocessParserPaths-exp.css', 'utf8');
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192 | request(app)
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193 | .get('/2.43.3/preprocessParserPaths.css')
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194 | .expect(200)
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195 | .expect(expected, done);
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196 | });
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197 | });
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198 |
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199 | describe('pathRoot', function(){
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200 | var app = setupExpress('/fixtures', {
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201 | dest: '/artifacts',
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202 | pathRoot: __dirname
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203 | }, tmpDest);
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204 |
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205 | it('should process simple less files', function(done){
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206 | var expected = fs.readFileSync(__dirname + '/fixtures/pathRoot-exp.css', 'utf8');
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207 | request(app)
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208 | .get('/pathRoot.css')
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209 | .expect(200)
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210 | .expect(expected, done);
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211 | });
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212 | });
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213 | });
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214 | });
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215 |
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216 |
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217 | describe('cacheFile', function() {
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218 | var middlewareSrc = tmpDest + '/fixturesCopy';
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219 | var dest = tmpDest + '/cacheFileTest';
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220 | var cacheFile = dest + '/cacheFile.json';
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221 | try {
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222 | mkdirp.sync(middlewareSrc);
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223 | } catch(e) {
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224 | if (e && e.code != 'EEXIST') throw e;
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225 | }
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226 | copySync(__dirname + '/fixtures', middlewareSrc);
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227 | var app;
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228 |
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229 | var expandExpected = function(file) {
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230 | return file.replace(/\{\$\}/g, middlewareSrc);
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231 | }
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232 |
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233 | var checkCacheFile = function(cacheFile, expectedFile){
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234 | var sortByPath = function(a, b) {
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235 | var keyA = a.path;
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236 | var keyB = b.path;
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237 | if(keyA < keyB) return -1;
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238 | if(keyA > keyB) return 1;
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239 | return 0;
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240 | };
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241 |
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242 | return function(){
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243 |
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244 | middleware._saveCacheToFile();
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245 |
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246 | var cacheFileExpected = JSON.parse(expandExpected(fs.readFileSync(expectedFile, 'utf8')));
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247 | var cacheFileOutput = JSON.parse(fs.readFileSync(cacheFile, 'utf8'));
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248 |
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249 | for (var file in cacheFileExpected) {
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250 | assert(cacheFileOutput[file] != undefined);
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251 |
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252 | var expectedImports = cacheFileExpected[file].imports.sort(sortByPath);
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253 | var outputImports = cacheFileOutput[file].imports.sort(sortByPath);
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254 |
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255 | assert.equal(outputImports.length, expectedImports.length);
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256 |
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257 | for (var i = 0; i < expectedImports.length; i++) {
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258 | assert.equal(expectedImports[i].path, outputImports[i].path);
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259 | }
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260 | }
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261 | }
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262 | }
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263 |
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264 | beforeEach(function() {
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265 |
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266 |
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267 |
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268 |
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269 | var mpath = path.resolve(__dirname, '../lib/middleware.js');
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270 | delete require.cache[mpath];
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271 | middleware = require('../lib/middleware');
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272 | app = setupExpress(middlewareSrc, {
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273 | dest: dest,
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274 | cacheFile: cacheFile
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275 | });
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276 | });
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277 |
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278 | it('should process files correctly and store the right cached imports', function(done){
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279 | var expected = fs.readFileSync(__dirname + '/fixtures/import-exp.css', 'utf8');
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280 | request(app)
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281 | .get('/import.css')
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282 | .expect(200)
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283 | .expect(expected)
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284 | .expect(checkCacheFile(cacheFile, __dirname + '/fixtures/cacheFile-exp.json'))
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285 | .end(done);
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286 | });
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287 |
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288 | it('should ignore cached imports if the file has changed and update cached imports', function(done){
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289 | copySync(middlewareSrc + '/importSimple.less', middlewareSrc + '/import.less');
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290 | var expected = fs.readFileSync(__dirname + '/fixtures/importSimple-exp.css', 'utf8');
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291 | request(app)
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292 | .get('/import.css')
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293 | .expect(200)
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294 | .expect(expected)
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295 | .expect(checkCacheFile(cacheFile, __dirname + '/fixtures/cacheFile-exp2.json'))
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296 | .end(done);
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297 | });
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298 | });
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299 | });
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