From b3c2b768947949e76e37d5cebf0f6be7e25d8693 Mon Sep 17 00:00:00 2001
From: Dmitry Filatov <dfilatov@yandex-team.ru>
Date: Fri, 21 Jul 2017 00:10:02 +0300
Subject: [PATCH] Fix specs for functional components

---
 .../functionComponent.spec.js                  | 18 +++++++++++-------
 spec/renderToDom/renderToDom.spec.js           |  4 ++--
 spec/renderToString/renderToString.spec.js     |  6 +++---
 3 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/spec/functionComponent/functionComponent.spec.js b/spec/functionComponent/functionComponent.spec.js
index 9a07b3f..d897d9f 100644
--- a/spec/functionComponent/functionComponent.spec.js
+++ b/spec/functionComponent/functionComponent.spec.js
@@ -14,20 +14,24 @@ describe('functionComponent', () => {
     });
 
     it('should pass empty object as attrs if they aren\'t specified', () => {
-        const spy = sinon.spy();
+        const stub = sinon.stub();
 
-        mountSync(domNode, node(spy));
+        stub.returns(null);
 
-        expect(spy.args[0][0]).to.be.equal(emptyObj);
+        mountSync(domNode, node(stub));
+
+        expect(stub.args[0][0]).to.be.equal(emptyObj);
     });
 
     it('should merge passed with default attributes', () => {
-        const spy = sinon.spy();
+        const stub = sinon.stub();
+
+        stub.returns(null);
 
-        spy.defaultAttrs = { a : 1, b : 2 };
+        stub.defaultAttrs = { a : 1, b : 2 };
 
-        mountSync(domNode, node(spy).setAttrs({ a : 3 }));
+        mountSync(domNode, node(stub).setAttrs({ a : 3 }));
 
-        expect(spy.args[0][0]).to.be.eql({ a : 3, b : 2 });
+        expect(stub.args[0][0]).to.be.eql({ a : 3, b : 2 });
     });
 });
diff --git a/spec/renderToDom/renderToDom.spec.js b/spec/renderToDom/renderToDom.spec.js
index ce8ddbe..5282772 100644
--- a/spec/renderToDom/renderToDom.spec.js
+++ b/spec/renderToDom/renderToDom.spec.js
@@ -306,8 +306,8 @@ describe('renderToDom', () => {
             expect(domNode.firstChild.firstChild.namespaceURI).to.equal('http://www.w3.org/2000/svg');
         });
 
-        it('should render comment if onRender() returns nothing', () => {
-            const Component = () => {},
+        it('should render comment if onRender() returns null', () => {
+            const Component = () => null,
                 domNode = (topNode = node(Component)).renderToDom(null);
 
             expect(domNode.nodeType).to.equal(Node.COMMENT_NODE);
diff --git a/spec/renderToString/renderToString.spec.js b/spec/renderToString/renderToString.spec.js
index 162a68a..7efe83c 100644
--- a/spec/renderToString/renderToString.spec.js
+++ b/spec/renderToString/renderToString.spec.js
@@ -192,7 +192,7 @@ describe('renderToString', () => {
     describe('component', () => {
         it('should be rendered as component', () => {
             const Component = createComponent({
-                onRender : function() {
+                onRender() {
                     return createNode('div').setAttrs(this.attrs).setChildren([
                         createNode('a'),
                         createNode('span')
@@ -229,8 +229,8 @@ describe('renderToString', () => {
                 .to.equal('<div id="id1"><a></a><span></span><i></i></div>');
         });
 
-        it('should render comment if returns nothing', () => {
-            const Component = () => {};
+        it('should render comment if returns null', () => {
+            const Component = () => null;
 
             expect(createNode(Component).renderToString())
                 .to.equal('<!---->');