source: trip-planner-front/node_modules/resolve/test/mock.js@ 6a3a178

Last change on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1var path = require('path');
2var test = require('tape');
3var resolve = require('../');
4
5test('mock', function (t) {
6 t.plan(8);
7
8 var files = {};
9 files[path.resolve('/foo/bar/baz.js')] = 'beep';
10
11 var dirs = {};
12 dirs[path.resolve('/foo/bar')] = true;
13
14 function opts(basedir) {
15 return {
16 basedir: path.resolve(basedir),
17 isFile: function (file, cb) {
18 cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
19 },
20 isDirectory: function (dir, cb) {
21 cb(null, !!dirs[path.resolve(dir)]);
22 },
23 readFile: function (file, cb) {
24 cb(null, files[path.resolve(file)]);
25 },
26 realpath: function (file, cb) {
27 cb(null, file);
28 }
29 };
30 }
31
32 resolve('./baz', opts('/foo/bar'), function (err, res, pkg) {
33 if (err) return t.fail(err);
34 t.equal(res, path.resolve('/foo/bar/baz.js'));
35 t.equal(pkg, undefined);
36 });
37
38 resolve('./baz.js', opts('/foo/bar'), function (err, res, pkg) {
39 if (err) return t.fail(err);
40 t.equal(res, path.resolve('/foo/bar/baz.js'));
41 t.equal(pkg, undefined);
42 });
43
44 resolve('baz', opts('/foo/bar'), function (err, res) {
45 t.equal(err.message, "Cannot find module 'baz' from '" + path.resolve('/foo/bar') + "'");
46 t.equal(err.code, 'MODULE_NOT_FOUND');
47 });
48
49 resolve('../baz', opts('/foo/bar'), function (err, res) {
50 t.equal(err.message, "Cannot find module '../baz' from '" + path.resolve('/foo/bar') + "'");
51 t.equal(err.code, 'MODULE_NOT_FOUND');
52 });
53});
54
55test('mock from package', function (t) {
56 t.plan(8);
57
58 var files = {};
59 files[path.resolve('/foo/bar/baz.js')] = 'beep';
60
61 var dirs = {};
62 dirs[path.resolve('/foo/bar')] = true;
63
64 function opts(basedir) {
65 return {
66 basedir: path.resolve(basedir),
67 isFile: function (file, cb) {
68 cb(null, Object.prototype.hasOwnProperty.call(files, file));
69 },
70 isDirectory: function (dir, cb) {
71 cb(null, !!dirs[path.resolve(dir)]);
72 },
73 'package': { main: 'bar' },
74 readFile: function (file, cb) {
75 cb(null, files[file]);
76 },
77 realpath: function (file, cb) {
78 cb(null, file);
79 }
80 };
81 }
82
83 resolve('./baz', opts('/foo/bar'), function (err, res, pkg) {
84 if (err) return t.fail(err);
85 t.equal(res, path.resolve('/foo/bar/baz.js'));
86 t.equal(pkg && pkg.main, 'bar');
87 });
88
89 resolve('./baz.js', opts('/foo/bar'), function (err, res, pkg) {
90 if (err) return t.fail(err);
91 t.equal(res, path.resolve('/foo/bar/baz.js'));
92 t.equal(pkg && pkg.main, 'bar');
93 });
94
95 resolve('baz', opts('/foo/bar'), function (err, res) {
96 t.equal(err.message, "Cannot find module 'baz' from '" + path.resolve('/foo/bar') + "'");
97 t.equal(err.code, 'MODULE_NOT_FOUND');
98 });
99
100 resolve('../baz', opts('/foo/bar'), function (err, res) {
101 t.equal(err.message, "Cannot find module '../baz' from '" + path.resolve('/foo/bar') + "'");
102 t.equal(err.code, 'MODULE_NOT_FOUND');
103 });
104});
105
106test('mock package', function (t) {
107 t.plan(2);
108
109 var files = {};
110 files[path.resolve('/foo/node_modules/bar/baz.js')] = 'beep';
111 files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({
112 main: './baz.js'
113 });
114
115 var dirs = {};
116 dirs[path.resolve('/foo')] = true;
117 dirs[path.resolve('/foo/node_modules')] = true;
118
119 function opts(basedir) {
120 return {
121 basedir: path.resolve(basedir),
122 isFile: function (file, cb) {
123 cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
124 },
125 isDirectory: function (dir, cb) {
126 cb(null, !!dirs[path.resolve(dir)]);
127 },
128 readFile: function (file, cb) {
129 cb(null, files[path.resolve(file)]);
130 },
131 realpath: function (file, cb) {
132 cb(null, file);
133 }
134 };
135 }
136
137 resolve('bar', opts('/foo'), function (err, res, pkg) {
138 if (err) return t.fail(err);
139 t.equal(res, path.resolve('/foo/node_modules/bar/baz.js'));
140 t.equal(pkg && pkg.main, './baz.js');
141 });
142});
143
144test('mock package from package', function (t) {
145 t.plan(2);
146
147 var files = {};
148 files[path.resolve('/foo/node_modules/bar/baz.js')] = 'beep';
149 files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({
150 main: './baz.js'
151 });
152
153 var dirs = {};
154 dirs[path.resolve('/foo')] = true;
155 dirs[path.resolve('/foo/node_modules')] = true;
156
157 function opts(basedir) {
158 return {
159 basedir: path.resolve(basedir),
160 isFile: function (file, cb) {
161 cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
162 },
163 isDirectory: function (dir, cb) {
164 cb(null, !!dirs[path.resolve(dir)]);
165 },
166 'package': { main: 'bar' },
167 readFile: function (file, cb) {
168 cb(null, files[path.resolve(file)]);
169 },
170 realpath: function (file, cb) {
171 cb(null, file);
172 }
173 };
174 }
175
176 resolve('bar', opts('/foo'), function (err, res, pkg) {
177 if (err) return t.fail(err);
178 t.equal(res, path.resolve('/foo/node_modules/bar/baz.js'));
179 t.equal(pkg && pkg.main, './baz.js');
180 });
181});
182
183test('symlinked', function (t) {
184 t.plan(4);
185
186 var files = {};
187 files[path.resolve('/foo/bar/baz.js')] = 'beep';
188 files[path.resolve('/foo/bar/symlinked/baz.js')] = 'beep';
189
190 var dirs = {};
191 dirs[path.resolve('/foo/bar')] = true;
192 dirs[path.resolve('/foo/bar/symlinked')] = true;
193
194 function opts(basedir) {
195 return {
196 preserveSymlinks: false,
197 basedir: path.resolve(basedir),
198 isFile: function (file, cb) {
199 cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
200 },
201 isDirectory: function (dir, cb) {
202 cb(null, !!dirs[path.resolve(dir)]);
203 },
204 readFile: function (file, cb) {
205 cb(null, files[path.resolve(file)]);
206 },
207 realpath: function (file, cb) {
208 var resolved = path.resolve(file);
209
210 if (resolved.indexOf('symlinked') >= 0) {
211 cb(null, resolved);
212 return;
213 }
214
215 var ext = path.extname(resolved);
216
217 if (ext) {
218 var dir = path.dirname(resolved);
219 var base = path.basename(resolved);
220 cb(null, path.join(dir, 'symlinked', base));
221 } else {
222 cb(null, path.join(resolved, 'symlinked'));
223 }
224 }
225 };
226 }
227
228 resolve('./baz', opts('/foo/bar'), function (err, res, pkg) {
229 if (err) return t.fail(err);
230 t.equal(res, path.resolve('/foo/bar/symlinked/baz.js'));
231 t.equal(pkg, undefined);
232 });
233
234 resolve('./baz.js', opts('/foo/bar'), function (err, res, pkg) {
235 if (err) return t.fail(err);
236 t.equal(res, path.resolve('/foo/bar/symlinked/baz.js'));
237 t.equal(pkg, undefined);
238 });
239});
240
241test('readPackage', function (t) {
242 t.plan(3);
243
244 var files = {};
245 files[path.resolve('/foo/node_modules/bar/something-else.js')] = 'beep';
246 files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({
247 main: './baz.js'
248 });
249 files[path.resolve('/foo/node_modules/bar/baz.js')] = 'boop';
250
251 var dirs = {};
252 dirs[path.resolve('/foo')] = true;
253 dirs[path.resolve('/foo/node_modules')] = true;
254
255 function opts(basedir) {
256 return {
257 basedir: path.resolve(basedir),
258 isFile: function (file, cb) {
259 cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
260 },
261 isDirectory: function (dir, cb) {
262 cb(null, !!dirs[path.resolve(dir)]);
263 },
264 'package': { main: 'bar' },
265 readFile: function (file, cb) {
266 cb(null, files[path.resolve(file)]);
267 },
268 realpath: function (file, cb) {
269 cb(null, file);
270 }
271 };
272 }
273
274 t.test('with readFile', function (st) {
275 st.plan(3);
276
277 resolve('bar', opts('/foo'), function (err, res, pkg) {
278 st.error(err);
279 st.equal(res, path.resolve('/foo/node_modules/bar/baz.js'));
280 st.equal(pkg && pkg.main, './baz.js');
281 });
282 });
283
284 var readPackage = function (readFile, file, cb) {
285 var barPackage = path.join('bar', 'package.json');
286 if (file.slice(-barPackage.length) === barPackage) {
287 cb(null, { main: './something-else.js' });
288 } else {
289 cb(null, JSON.parse(files[path.resolve(file)]));
290 }
291 };
292
293 t.test('with readPackage', function (st) {
294 st.plan(3);
295
296 var options = opts('/foo');
297 delete options.readFile;
298 options.readPackage = readPackage;
299 resolve('bar', options, function (err, res, pkg) {
300 st.error(err);
301 st.equal(res, path.resolve('/foo/node_modules/bar/something-else.js'));
302 st.equal(pkg && pkg.main, './something-else.js');
303 });
304 });
305
306 t.test('with readFile and readPackage', function (st) {
307 st.plan(1);
308
309 var options = opts('/foo');
310 options.readPackage = readPackage;
311 resolve('bar', options, function (err) {
312 st.throws(function () { throw err; }, TypeError, 'errors when both readFile and readPackage are provided');
313 });
314 });
315});
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