node-modules-paths.js
3.08 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
var test = require('tape');
var path = require('path');
var parse = path.parse || require('path-parse');
var keys = require('object-keys');
var nodeModulesPaths = require('../lib/node-modules-paths');
var verifyDirs = function verifyDirs(t, start, dirs, moduleDirectories, paths) {
var moduleDirs = [].concat(moduleDirectories || 'node_modules');
var foundModuleDirs = {};
var uniqueDirs = {};
var parsedDirs = {};
for (var i = 0; i < dirs.length; ++i) {
var parsed = parse(dirs[i]);
if (!foundModuleDirs[parsed.base]) { foundModuleDirs[parsed.base] = 0; }
foundModuleDirs[parsed.base] += 1;
parsedDirs[parsed.dir] = true;
uniqueDirs[dirs[i]] = true;
}
t.equal(keys(parsedDirs).length >= start.split(path.sep).length, true, 'there are >= dirs than "start" has');
var foundModuleDirNames = keys(foundModuleDirs);
t.deepEqual(foundModuleDirNames, moduleDirs.concat(paths || []), 'all desired module dirs were found');
t.equal(keys(uniqueDirs).length, dirs.length, 'all dirs provided were unique');
var counts = {};
for (var j = 0; j < foundModuleDirNames.length; ++j) {
counts[foundModuleDirs[j]] = true;
}
t.equal(keys(counts).length, 1, 'all found module directories had the same count');
};
test('node-modules-paths', function (t) {
t.test('no options', function (t) {
var start = path.join(__dirname, 'resolver');
var dirs = nodeModulesPaths(start);
verifyDirs(t, start, dirs);
t.end();
});
t.test('empty options', function (t) {
var start = path.join(__dirname, 'resolver');
var dirs = nodeModulesPaths(start, {});
verifyDirs(t, start, dirs);
t.end();
});
t.test('with paths option', function (t) {
var start = path.join(__dirname, 'resolver');
var paths = ['a', 'b'];
var dirs = nodeModulesPaths(start, { paths: paths });
verifyDirs(t, start, dirs, null, paths);
t.end();
});
t.test('with moduleDirectory option', function (t) {
var start = path.join(__dirname, 'resolver');
var moduleDirectory = 'not node modules';
var dirs = nodeModulesPaths(start, { moduleDirectory: moduleDirectory });
verifyDirs(t, start, dirs, moduleDirectory);
t.end();
});
t.test('with 1 moduleDirectory and paths options', function (t) {
var start = path.join(__dirname, 'resolver');
var paths = ['a', 'b'];
var moduleDirectory = 'not node modules';
var dirs = nodeModulesPaths(start, { paths: paths, moduleDirectory: moduleDirectory });
verifyDirs(t, start, dirs, moduleDirectory, paths);
t.end();
});
t.test('with 1+ moduleDirectory and paths options', function (t) {
var start = path.join(__dirname, 'resolver');
var paths = ['a', 'b'];
var moduleDirectories = ['not node modules', 'other modules'];
var dirs = nodeModulesPaths(start, { paths: paths, moduleDirectory: moduleDirectories });
verifyDirs(t, start, dirs, moduleDirectories, paths);
t.end();
});
});