Unit tests for mkdtemp method added (issue #394)

tests/index.js

@@ -14,6 +14,7 @@ require('./spec/fs.lstat.spec');
 require('./spec/fs.exists.spec');
 require('./spec/fs.mknod.spec');
 require('./spec/fs.mkdir.spec');
+require('./spec/fs.mkdtemp.spec');
 require('./spec/fs.readdir.spec');
 require('./spec/fs.rmdir.spec');
 require('./spec/fs.open.spec');

tests/spec/fs.mkdtemp.spec.js

@@ -0,0 +1,51 @@
+var util = require('../lib/test-utils.js');
+var expect = require('chai').expect;
+
+describe('fs.mkdtemp', function() {
+  beforeEach(util.setup);
+  afterEach(util.cleanup);
+
+  it('should be a function', function() {
+    var fs = util.fs();
+    expect(fs.mkdtemp).to.be.a('function');
+  });
+
+  it('should craete temp dir with specified prefix', function(done) {
+    var fs = util.fs();
+    fs.mkdtemp('foo', function(error, path) {
+      expect(error).not.to.exist;
+      expect(path).to.match(/foo.{6}/);
+      done();
+    });
+  });
+  it('should craete temp dir inside existing directory', function(done) {
+    var fs = util.fs();
+    fs.mkdir('/myDir', (error) => {
+      expect(error).not.to.exist;
+      fs.mkdtemp('/myDir/foo', function(error, path) {
+        expect(error).not.to.exist;
+        expect(path).to.match(/foo.{6}/);
+        done();
+      });
+    });
+
+  });
+
+  it('should not create temp dir without prefix', function(done) {
+    var fs = util.fs();
+    fs.mkdtemp('', function(error, path) {
+      expect(error).to.exist;
+      expect(path).to.be.equal('');
+      done();
+    });
+  });
+  it('should not create temp dir inside non existing dir', function(done) {
+    var fs = util.fs();
+    fs.mkdtemp('/doesNotExists/foo', function(error, path) {
+      expect(error).to.exist;
+      expect(error.code).to.be.equal('ENOENT');
+      expect(path).to.exist;
+      done();
+    });
+  });
+});