| [9af201e] | 1 | var path = require('path');
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| 2 | var test = require('tape');
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| 3 | var resolve = require('../');
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| 4 |
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| 5 | test('mock', function (t) {
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| 6 | t.plan(8);
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| 7 |
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| 8 | var files = {};
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| 9 | files[path.resolve('/foo/bar/baz.js')] = 'beep';
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| 10 |
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| 11 | var dirs = {};
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| 12 | dirs[path.resolve('/foo/bar')] = true;
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| 13 |
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| 14 | function opts(basedir) {
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| 15 | return {
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| 16 | basedir: path.resolve(basedir),
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| 17 | isFile: function (file, cb) {
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| 18 | cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
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| 19 | },
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| 20 | isDirectory: function (dir, cb) {
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| 21 | cb(null, !!dirs[path.resolve(dir)]);
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| 22 | },
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| 23 | readFile: function (file, cb) {
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| 24 | cb(null, files[path.resolve(file)]);
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| 25 | },
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| 26 | realpath: function (file, cb) {
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| 27 | cb(null, file);
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| 28 | }
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| 29 | };
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| 30 | }
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| 31 |
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| 32 | resolve('./baz', opts('/foo/bar'), function (err, res, pkg) {
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| 33 | if (err) return t.fail(err);
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| 34 | t.equal(res, path.resolve('/foo/bar/baz.js'));
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| 35 | t.equal(pkg, undefined);
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| 36 | });
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| 37 |
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| 38 | resolve('./baz.js', opts('/foo/bar'), function (err, res, pkg) {
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| 39 | if (err) return t.fail(err);
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| 40 | t.equal(res, path.resolve('/foo/bar/baz.js'));
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| 41 | t.equal(pkg, undefined);
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| 42 | });
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| 43 |
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| 44 | resolve('baz', opts('/foo/bar'), function (err, res) {
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| 45 | t.equal(err.message, "Cannot find module 'baz' from '" + path.resolve('/foo/bar') + "'");
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| 46 | t.equal(err.code, 'MODULE_NOT_FOUND');
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| 47 | });
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| 48 |
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| 49 | resolve('../baz', opts('/foo/bar'), function (err, res) {
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| 50 | t.equal(err.message, "Cannot find module '../baz' from '" + path.resolve('/foo/bar') + "'");
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| 51 | t.equal(err.code, 'MODULE_NOT_FOUND');
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| 52 | });
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| 53 | });
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| 54 |
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| 55 | test('mock from package', function (t) {
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| 56 | t.plan(8);
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| 57 |
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| 58 | var files = {};
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| 59 | files[path.resolve('/foo/bar/baz.js')] = 'beep';
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| 60 |
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| 61 | var dirs = {};
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| 62 | dirs[path.resolve('/foo/bar')] = true;
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| 63 |
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| 64 | function opts(basedir) {
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| 65 | return {
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| 66 | basedir: path.resolve(basedir),
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| 67 | isFile: function (file, cb) {
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| 68 | cb(null, Object.prototype.hasOwnProperty.call(files, file));
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| 69 | },
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| 70 | isDirectory: function (dir, cb) {
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| 71 | cb(null, !!dirs[path.resolve(dir)]);
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| 72 | },
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| 73 | 'package': { main: 'bar' },
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| 74 | readFile: function (file, cb) {
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| 75 | cb(null, files[file]);
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| 76 | },
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| 77 | realpath: function (file, cb) {
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| 78 | cb(null, file);
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| 79 | }
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| 80 | };
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| 81 | }
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| 82 |
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| 83 | resolve('./baz', opts('/foo/bar'), function (err, res, pkg) {
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| 84 | if (err) return t.fail(err);
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| 85 | t.equal(res, path.resolve('/foo/bar/baz.js'));
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| 86 | t.equal(pkg && pkg.main, 'bar');
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| 87 | });
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| 88 |
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| 89 | resolve('./baz.js', opts('/foo/bar'), function (err, res, pkg) {
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| 90 | if (err) return t.fail(err);
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| 91 | t.equal(res, path.resolve('/foo/bar/baz.js'));
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| 92 | t.equal(pkg && pkg.main, 'bar');
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| 93 | });
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| 94 |
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| 95 | resolve('baz', opts('/foo/bar'), function (err, res) {
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| 96 | t.equal(err.message, "Cannot find module 'baz' from '" + path.resolve('/foo/bar') + "'");
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| 97 | t.equal(err.code, 'MODULE_NOT_FOUND');
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| 98 | });
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| 99 |
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| 100 | resolve('../baz', opts('/foo/bar'), function (err, res) {
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| 101 | t.equal(err.message, "Cannot find module '../baz' from '" + path.resolve('/foo/bar') + "'");
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| 102 | t.equal(err.code, 'MODULE_NOT_FOUND');
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| 103 | });
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| 104 | });
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| 105 |
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| 106 | test('mock package', function (t) {
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| 107 | t.plan(2);
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| 108 |
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| 109 | var files = {};
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| 110 | files[path.resolve('/foo/node_modules/bar/baz.js')] = 'beep';
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| 111 | files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({
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| 112 | main: './baz.js'
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| 113 | });
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| 114 |
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| 115 | var dirs = {};
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| 116 | dirs[path.resolve('/foo')] = true;
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| 117 | dirs[path.resolve('/foo/node_modules')] = true;
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| 118 |
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| 119 | function opts(basedir) {
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| 120 | return {
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| 121 | basedir: path.resolve(basedir),
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| 122 | isFile: function (file, cb) {
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| 123 | cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
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| 124 | },
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| 125 | isDirectory: function (dir, cb) {
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| 126 | cb(null, !!dirs[path.resolve(dir)]);
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| 127 | },
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| 128 | readFile: function (file, cb) {
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| 129 | cb(null, files[path.resolve(file)]);
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| 130 | },
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| 131 | realpath: function (file, cb) {
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| 132 | cb(null, file);
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| 133 | }
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| 134 | };
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| 135 | }
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| 136 |
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| 137 | resolve('bar', opts('/foo'), function (err, res, pkg) {
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| 138 | if (err) return t.fail(err);
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| 139 | t.equal(res, path.resolve('/foo/node_modules/bar/baz.js'));
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| 140 | t.equal(pkg && pkg.main, './baz.js');
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| 141 | });
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| 142 | });
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| 143 |
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| 144 | test('mock package from package', function (t) {
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| 145 | t.plan(2);
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| 146 |
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| 147 | var files = {};
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| 148 | files[path.resolve('/foo/node_modules/bar/baz.js')] = 'beep';
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| 149 | files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({
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| 150 | main: './baz.js'
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| 151 | });
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| 152 |
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| 153 | var dirs = {};
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| 154 | dirs[path.resolve('/foo')] = true;
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| 155 | dirs[path.resolve('/foo/node_modules')] = true;
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| 156 |
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| 157 | function opts(basedir) {
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| 158 | return {
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| 159 | basedir: path.resolve(basedir),
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| 160 | isFile: function (file, cb) {
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| 161 | cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
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| 162 | },
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| 163 | isDirectory: function (dir, cb) {
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| 164 | cb(null, !!dirs[path.resolve(dir)]);
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| 165 | },
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| 166 | 'package': { main: 'bar' },
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| 167 | readFile: function (file, cb) {
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| 168 | cb(null, files[path.resolve(file)]);
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| 169 | },
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| 170 | realpath: function (file, cb) {
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| 171 | cb(null, file);
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| 172 | }
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| 173 | };
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| 174 | }
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| 175 |
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| 176 | resolve('bar', opts('/foo'), function (err, res, pkg) {
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| 177 | if (err) return t.fail(err);
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| 178 | t.equal(res, path.resolve('/foo/node_modules/bar/baz.js'));
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| 179 | t.equal(pkg && pkg.main, './baz.js');
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| 180 | });
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| 181 | });
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| 182 |
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| 183 | test('symlinked', function (t) {
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| 184 | t.plan(4);
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| 185 |
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| 186 | var files = {};
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| 187 | files[path.resolve('/foo/bar/baz.js')] = 'beep';
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| 188 | files[path.resolve('/foo/bar/symlinked/baz.js')] = 'beep';
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| 189 |
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| 190 | var dirs = {};
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| 191 | dirs[path.resolve('/foo/bar')] = true;
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| 192 | dirs[path.resolve('/foo/bar/symlinked')] = true;
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| 193 |
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| 194 | function opts(basedir) {
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| 195 | return {
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| 196 | preserveSymlinks: false,
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| 197 | basedir: path.resolve(basedir),
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| 198 | isFile: function (file, cb) {
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| 199 | cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
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| 200 | },
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| 201 | isDirectory: function (dir, cb) {
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| 202 | cb(null, !!dirs[path.resolve(dir)]);
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| 203 | },
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| 204 | readFile: function (file, cb) {
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| 205 | cb(null, files[path.resolve(file)]);
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| 206 | },
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| 207 | realpath: function (file, cb) {
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| 208 | var resolved = path.resolve(file);
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| 209 |
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| 210 | if (resolved.indexOf('symlinked') >= 0) {
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| 211 | cb(null, resolved);
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| 212 | return;
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| 213 | }
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| 214 |
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| 215 | var ext = path.extname(resolved);
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| 216 |
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| 217 | if (ext) {
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| 218 | var dir = path.dirname(resolved);
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| 219 | var base = path.basename(resolved);
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| 220 | cb(null, path.join(dir, 'symlinked', base));
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| 221 | } else {
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| 222 | cb(null, path.join(resolved, 'symlinked'));
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| 223 | }
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| 224 | }
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| 225 | };
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| 226 | }
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| 227 |
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| 228 | resolve('./baz', opts('/foo/bar'), function (err, res, pkg) {
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| 229 | if (err) return t.fail(err);
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| 230 | t.equal(res, path.resolve('/foo/bar/symlinked/baz.js'));
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| 231 | t.equal(pkg, undefined);
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| 232 | });
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| 233 |
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| 234 | resolve('./baz.js', opts('/foo/bar'), function (err, res, pkg) {
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| 235 | if (err) return t.fail(err);
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| 236 | t.equal(res, path.resolve('/foo/bar/symlinked/baz.js'));
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| 237 | t.equal(pkg, undefined);
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| 238 | });
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| 239 | });
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| 240 |
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| 241 | test('readPackage', function (t) {
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| 242 | t.plan(4);
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| 243 |
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| 244 | var files = {};
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| 245 | files[path.resolve('/foo/node_modules/bar/something-else.js')] = 'beep';
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| 246 | files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({
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| 247 | main: './baz.js'
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| 248 | });
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| 249 | files[path.resolve('/foo/node_modules/bar/baz.js')] = 'boop';
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| 250 |
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| 251 | var dirs = {};
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| 252 | dirs[path.resolve('/foo')] = true;
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| 253 | dirs[path.resolve('/foo/node_modules')] = true;
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| 254 |
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| 255 | function opts(basedir) {
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| 256 | return {
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| 257 | basedir: path.resolve(basedir),
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| 258 | isFile: function (file, cb) {
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| 259 | cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
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| 260 | },
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| 261 | isDirectory: function (dir, cb) {
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| 262 | cb(null, !!dirs[path.resolve(dir)]);
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| 263 | },
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| 264 | 'package': { main: 'bar' },
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| 265 | readFile: function (file, cb) {
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| 266 | cb(null, files[path.resolve(file)]);
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| 267 | },
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| 268 | realpath: function (file, cb) {
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| 269 | cb(null, file);
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| 270 | }
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| 271 | };
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| 272 | }
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| 273 |
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| 274 | t.test('with readFile', function (st) {
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| 275 | st.plan(3);
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| 276 |
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| 277 | resolve('bar', opts('/foo'), function (err, res, pkg) {
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| 278 | st.error(err);
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| 279 | st.equal(res, path.resolve('/foo/node_modules/bar/baz.js'));
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| 280 | st.equal(pkg && pkg.main, './baz.js');
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| 281 | });
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| 282 | });
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| 283 |
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| 284 | function readPackage(readFile, file, cb) {
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| 285 | var barPackage = path.join('bar', 'package.json');
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| 286 | if (file.slice(-barPackage.length) === barPackage) {
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| 287 | cb(null, { main: './something-else.js' });
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| 288 | } else {
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| 289 | cb(null, JSON.parse(files[path.resolve(file)]));
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| 290 | }
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| 291 | }
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| 292 |
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| 293 | t.test('with readPackage', function (st) {
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| 294 | st.plan(3);
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| 295 |
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| 296 | var options = opts('/foo');
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| 297 | delete options.readFile;
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| 298 | options.readPackage = readPackage;
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| 299 | resolve('bar', options, function (err, res, pkg) {
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| 300 | st.error(err);
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| 301 | st.equal(res, path.resolve('/foo/node_modules/bar/something-else.js'));
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| 302 | st.equal(pkg && pkg.main, './something-else.js');
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| 303 | });
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| 304 | });
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| 305 |
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| 306 | t.test('with readFile and readPackage', function (st) {
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| 307 | st.plan(1);
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| 308 |
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| 309 | var options = opts('/foo');
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| 310 | options.readPackage = readPackage;
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| 311 | resolve('bar', options, function (err) {
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| 312 | st.throws(function () { throw err; }, TypeError, 'errors when both readFile and readPackage are provided');
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| 313 | });
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| 314 | });
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| 315 |
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| 316 | t.test('readPackage error in loadpkg does not invoke callback twice', function (st) {
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| 317 | st.plan(1);
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| 318 |
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| 319 | var callCount = 0;
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| 320 | var readPackageError = new Error('read package error');
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| 321 |
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| 322 | function failReadPackage(rf, file, cb) {
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| 323 | cb(readPackageError);
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| 324 | }
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| 325 |
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| 326 | var relFiles = {};
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| 327 | relFiles[path.resolve('/foo/bar/baz.js')] = 'beep';
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| 328 | relFiles[path.resolve('/foo/bar/package.json')] = '{}';
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| 329 |
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| 330 | var relDirs = {};
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| 331 | relDirs[path.resolve('/foo/bar')] = true;
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| 332 |
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| 333 | resolve('./baz', {
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| 334 | basedir: path.resolve('/foo/bar'),
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| 335 | isFile: function (file, cb) {
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| 336 | cb(null, Object.prototype.hasOwnProperty.call(relFiles, path.resolve(file)));
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| 337 | },
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| 338 | isDirectory: function (dir, cb) {
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| 339 | cb(null, !!relDirs[path.resolve(dir)]);
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| 340 | },
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| 341 | readPackage: failReadPackage,
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| 342 | realpath: function (file, cb) {
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| 343 | cb(null, file);
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| 344 | }
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| 345 | }, function () {
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| 346 | callCount += 1;
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| 347 | });
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| 348 |
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| 349 | setTimeout(function () {
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| 350 | st.equal(callCount, 1, 'callback is invoked exactly once');
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| 351 | }, 50);
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| 352 | });
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| 353 | });
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