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node_modules/resolve/test/node-modules-paths.js

@@ -7,6 +7,11 @@ var nodeModulesPaths = require('../lib/node-modules-paths');
 
 var verifyDirs = function verifyDirs(t, start, dirs, moduleDirectories, paths) {
     var moduleDirs = [].concat(moduleDirectories || 'node_modules');
+    if (paths) {
+        for (var k = 0; k < paths.length; ++k) {
+            moduleDirs.push(path.basename(paths[k]));
+        }
+    }
 
     var foundModuleDirs = {};
     var uniqueDirs = {};
@@ -20,7 +25,7 @@ var verifyDirs = function verifyDirs(t, start, dirs, moduleDirectories, paths) {
     }
     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.deepEqual(foundModuleDirNames, moduleDirs, 'all desired module dirs were found');
     t.equal(keys(uniqueDirs).length, dirs.length, 'all dirs provided were unique');
 
     var counts = {};
@@ -49,7 +54,7 @@ test('node-modules-paths', function (t) {
         t.end();
     });
 
-    t.test('with paths option', function (t) {
+    t.test('with paths=array option', function (t) {
         var start = path.join(__dirname, 'resolver');
         var paths = ['a', 'b'];
         var dirs = nodeModulesPaths(start, { paths: paths });
@@ -59,6 +64,29 @@ test('node-modules-paths', function (t) {
         t.end();
     });
 
+    t.test('with paths=function option', function (t) {
+        var paths = function paths(request, absoluteStart, getNodeModulesDirs, opts) {
+            return getNodeModulesDirs().concat(path.join(absoluteStart, 'not node modules', request));
+        };
+
+        var start = path.join(__dirname, 'resolver');
+        var dirs = nodeModulesPaths(start, { paths: paths }, 'pkg');
+
+        verifyDirs(t, start, dirs, null, [path.join(start, 'not node modules', 'pkg')]);
+
+        t.end();
+    });
+
+    t.test('with paths=function skipping node modules resolution', function (t) {
+        var paths = function paths(request, absoluteStart, getNodeModulesDirs, opts) {
+            return [];
+        };
+        var start = path.join(__dirname, 'resolver');
+        var dirs = nodeModulesPaths(start, { paths: paths });
+        t.deepEqual(dirs, [], 'no node_modules was computed');
+        t.end();
+    });
+
     t.test('with moduleDirectory option', function (t) {
         var start = path.join(__dirname, 'resolver');
         var moduleDirectory = 'not node modules';