[Tests] add failing symlink tests

Author: Dmitriy Kuznetsov

test/resolver/symlinked/package/bar.js

@@ -0,0 +1 @@
+module.exports = 'bar';

test/resolver/symlinked/package/package.json

@@ -0,0 +1,3 @@
+{
+    "main": "bar.js"
+}

test/symlinks.js

@@ -4,6 +4,7 @@ var test = require('tape');
 var resolve = require('../');
 
 var symlinkDir = path.join(__dirname, 'resolver', 'symlinked', 'symlink');
+var packageDir = path.join(__dirname, 'resolver', 'symlinked', '_', 'node_modules', 'package');
 try {
     fs.unlinkSync(symlinkDir);
 } catch (err) {}
@@ -13,6 +14,12 @@ try {
     // if fails then it is probably on Windows and lets try to create a junction
     fs.symlinkSync(path.join(__dirname, 'resolver', 'symlinked', '_', 'symlink_target') + '\\', symlinkDir, 'junction');
 }
+try {
+    fs.symlinkSync('../../package', packageDir, 'dir');
+} catch (err) {
+    // if fails then it is probably on Windows and lets try to create a junction
+    fs.symlinkSync(path.join(__dirname, '..', '..', 'package') + '\\', packageDir, 'junction');
+}
 
 test('symlink', function (t) {
     t.plan(2);
@@ -54,3 +61,21 @@ test('sync symlink when preserveSymlinks = true', function (t) {
     }, /Cannot find module 'foo'/);
     t.end();
 });
+
+test('sync symlink from node_modules to other dir when preserveSymlinks = false', function (t) {
+    var basedir = path.join(__dirname, 'resolver', 'symlinked', '_');
+    var fn = resolve.sync('package', { basedir: basedir, preserveSymlinks: false });
+
+    t.equal(fn, path.resolve(__dirname, 'resolver/symlinked/package/bar.js'));
+    t.end();
+});
+
+test('async symlink from node_modules to other dir when preserveSymlinks = false', function (t) {
+    t.plan(2);
+    var basedir = path.join(__dirname, 'resolver', 'symlinked', '_');
+    resolve('package', { basedir: basedir, preserveSymlinks: false }, function (err, result) {
+        t.notOk(err, 'no error');
+        t.equal(result, path.resolve(__dirname, 'resolver/symlinked/package/bar.js'));
+        t.end();
+    });
+});