Blame view

node_modules/resolve/test/node-modules-paths.js 3.08 KB
aaac7fed   liuqimichale   add
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();
      });
  });