source: trip-planner-front/node_modules/resolve/test/symlinks.js

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

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1var path = require('path');
2var fs = require('fs');
3var test = require('tape');
4var map = require('array.prototype.map');
5var resolve = require('../');
6
7var symlinkDir = path.join(__dirname, 'resolver', 'symlinked', 'symlink');
8var packageDir = path.join(__dirname, 'resolver', 'symlinked', '_', 'node_modules', 'package');
9var modADir = path.join(__dirname, 'symlinks', 'source', 'node_modules', 'mod-a');
10var symlinkModADir = path.join(__dirname, 'symlinks', 'dest', 'node_modules', 'mod-a');
11try {
12 fs.unlinkSync(symlinkDir);
13} catch (err) {}
14try {
15 fs.unlinkSync(packageDir);
16} catch (err) {}
17try {
18 fs.unlinkSync(modADir);
19} catch (err) {}
20try {
21 fs.unlinkSync(symlinkModADir);
22} catch (err) {}
23
24try {
25 fs.symlinkSync('./_/symlink_target', symlinkDir, 'dir');
26} catch (err) {
27 // if fails then it is probably on Windows and lets try to create a junction
28 fs.symlinkSync(path.join(__dirname, 'resolver', 'symlinked', '_', 'symlink_target') + '\\', symlinkDir, 'junction');
29}
30try {
31 fs.symlinkSync('../../package', packageDir, 'dir');
32} catch (err) {
33 // if fails then it is probably on Windows and lets try to create a junction
34 fs.symlinkSync(path.join(__dirname, '..', '..', 'package') + '\\', packageDir, 'junction');
35}
36try {
37 fs.symlinkSync('../../source/node_modules/mod-a', symlinkModADir, 'dir');
38} catch (err) {
39 // if fails then it is probably on Windows and lets try to create a junction
40 fs.symlinkSync(path.join(__dirname, '..', '..', 'source', 'node_modules', 'mod-a') + '\\', symlinkModADir, 'junction');
41}
42
43test('symlink', function (t) {
44 t.plan(2);
45
46 resolve('foo', { basedir: symlinkDir, preserveSymlinks: false }, function (err, res, pkg) {
47 t.error(err);
48 t.equal(res, path.join(__dirname, 'resolver', 'symlinked', '_', 'node_modules', 'foo.js'));
49 });
50});
51
52test('sync symlink when preserveSymlinks = true', function (t) {
53 t.plan(4);
54
55 resolve('foo', { basedir: symlinkDir }, function (err, res, pkg) {
56 t.ok(err, 'there is an error');
57 t.notOk(res, 'no result');
58
59 t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error code matches require.resolve');
60 t.equal(
61 err && err.message,
62 'Cannot find module \'foo\' from \'' + symlinkDir + '\'',
63 'can not find nonexistent module'
64 );
65 });
66});
67
68test('sync symlink', function (t) {
69 var start = new Date();
70 t.doesNotThrow(function () {
71 t.equal(
72 resolve.sync('foo', { basedir: symlinkDir, preserveSymlinks: false }),
73 path.join(__dirname, 'resolver', 'symlinked', '_', 'node_modules', 'foo.js')
74 );
75 });
76 t.ok(new Date() - start < 50, 'resolve.sync timedout');
77 t.end();
78});
79
80test('sync symlink when preserveSymlinks = true', function (t) {
81 t.throws(function () {
82 resolve.sync('foo', { basedir: symlinkDir });
83 }, /Cannot find module 'foo'/);
84 t.end();
85});
86
87test('sync symlink from node_modules to other dir when preserveSymlinks = false', function (t) {
88 var basedir = path.join(__dirname, 'resolver', 'symlinked', '_');
89 var fn = resolve.sync('package', { basedir: basedir, preserveSymlinks: false });
90
91 t.equal(fn, path.resolve(__dirname, 'resolver/symlinked/package/bar.js'));
92 t.end();
93});
94
95test('async symlink from node_modules to other dir when preserveSymlinks = false', function (t) {
96 t.plan(2);
97 var basedir = path.join(__dirname, 'resolver', 'symlinked', '_');
98 resolve('package', { basedir: basedir, preserveSymlinks: false }, function (err, result) {
99 t.notOk(err, 'no error');
100 t.equal(result, path.resolve(__dirname, 'resolver/symlinked/package/bar.js'));
101 });
102});
103
104test('packageFilter', function (t) {
105 function relative(x) {
106 return path.relative(__dirname, x);
107 }
108
109 function testPackageFilter(preserveSymlinks) {
110 return function (st) {
111 st.plan('is 1.x' ? 3 : 5); // eslint-disable-line no-constant-condition
112
113 var destMain = 'symlinks/dest/node_modules/mod-a/index.js';
114 var destPkg = 'symlinks/dest/node_modules/mod-a/package.json';
115 var sourceMain = 'symlinks/source/node_modules/mod-a/index.js';
116 var sourcePkg = 'symlinks/source/node_modules/mod-a/package.json';
117 var destDir = path.join(__dirname, 'symlinks', 'dest');
118
119 /* eslint multiline-comment-style: 0 */
120 /* v2.x will restore these tests
121 var packageFilterPath = [];
122 var actualPath = resolve.sync('mod-a', {
123 basedir: destDir,
124 preserveSymlinks: preserveSymlinks,
125 packageFilter: function (pkg, pkgfile, dir) {
126 packageFilterPath.push(pkgfile);
127 }
128 });
129 st.equal(
130 relative(actualPath),
131 path.normalize(preserveSymlinks ? destMain : sourceMain),
132 'sync: actual path is correct'
133 );
134 st.deepEqual(
135 map(packageFilterPath, relative),
136 map(preserveSymlinks ? [destPkg, destPkg] : [sourcePkg, sourcePkg], path.normalize),
137 'sync: packageFilter pkgfile arg is correct'
138 );
139 */
140
141 var asyncPackageFilterPath = [];
142 resolve(
143 'mod-a',
144 {
145 basedir: destDir,
146 preserveSymlinks: preserveSymlinks,
147 packageFilter: function (pkg, pkgfile) {
148 asyncPackageFilterPath.push(pkgfile);
149 }
150 },
151 function (err, actualPath) {
152 st.error(err, 'no error');
153 st.equal(
154 relative(actualPath),
155 path.normalize(preserveSymlinks ? destMain : sourceMain),
156 'async: actual path is correct'
157 );
158 st.deepEqual(
159 map(asyncPackageFilterPath, relative),
160 map(
161 preserveSymlinks ? [destPkg, destPkg, destPkg] : [sourcePkg, sourcePkg, sourcePkg],
162 path.normalize
163 ),
164 'async: packageFilter pkgfile arg is correct'
165 );
166 }
167 );
168 };
169 }
170
171 t.test('preserveSymlinks: false', testPackageFilter(false));
172
173 t.test('preserveSymlinks: true', testPackageFilter(true));
174
175 t.end();
176});
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