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node_modules/resolve/test/node_path.js

@@ -1,18 +1,34 @@
+var fs = require('fs');
 var path = require('path');
 var test = require('tape');
 var resolve = require('../');
 
 test('$NODE_PATH', function (t) {
-    t.plan(4);
+    t.plan(8);
+
+    var isDir = function (dir, cb) {
+        if (dir === '/node_path' || dir === 'node_path/x') {
+            return cb(null, true);
+        }
+        fs.stat(dir, function (err, stat) {
+            if (!err) {
+                return cb(null, stat.isDirectory());
+            }
+            if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
+            return cb(err);
+        });
+    };
 
     resolve('aaa', {
         paths: [
             path.join(__dirname, '/node_path/x'),
             path.join(__dirname, '/node_path/y')
         ],
-        basedir: __dirname
+        basedir: __dirname,
+        isDirectory: isDir
     }, function (err, res) {
-        t.equal(res, path.join(__dirname, '/node_path/x/aaa/index.js'));
+        t.error(err);
+        t.equal(res, path.join(__dirname, '/node_path/x/aaa/index.js'), 'aaa resolves');
     });
 
     resolve('bbb', {
@@ -20,9 +36,11 @@ test('$NODE_PATH', function (t) {
             path.join(__dirname, '/node_path/x'),
             path.join(__dirname, '/node_path/y')
         ],
-        basedir: __dirname
+        basedir: __dirname,
+        isDirectory: isDir
     }, function (err, res) {
-        t.equal(res, path.join(__dirname, '/node_path/y/bbb/index.js'));
+        t.error(err);
+        t.equal(res, path.join(__dirname, '/node_path/y/bbb/index.js'), 'bbb resolves');
     });
 
     resolve('ccc', {
@@ -30,20 +48,23 @@ test('$NODE_PATH', function (t) {
             path.join(__dirname, '/node_path/x'),
             path.join(__dirname, '/node_path/y')
         ],
-        basedir: __dirname
+        basedir: __dirname,
+        isDirectory: isDir
     }, function (err, res) {
-        t.equal(res, path.join(__dirname, '/node_path/x/ccc/index.js'));
+        t.error(err);
+        t.equal(res, path.join(__dirname, '/node_path/x/ccc/index.js'), 'ccc resolves');
     });
 
-    // ensure that relative paths still resolve against the
-    // regular `node_modules` correctly
+    // ensure that relative paths still resolve against the regular `node_modules` correctly
     resolve('tap', {
         paths: [
             'node_path'
         ],
-        basedir: 'node_path/x'
+        basedir: path.join(__dirname, 'node_path/x'),
+        isDirectory: isDir
     }, function (err, res) {
         var root = require('tap/package.json').main;
-        t.equal(res, path.resolve(__dirname, '..', 'node_modules/tap', root));
+        t.error(err);
+        t.equal(res, path.resolve(__dirname, '..', 'node_modules/tap', root), 'tap resolves');
     });
 });