add test for switch, ref #1274 (#1513)

* add test for switch, ref #1274

* add issue url

* fix: test

components/list/__tests__/__snapshots__/demo.test.web.js.snap

@@ -593,6 +593,7 @@ exports[`renders ./components/list/demo/form.md correctly 1`] = `
                 class="am-switch-checkbox"
                 name=""
                 type="checkbox"
+                value="on"
               />
               <div
                 class="checkbox"

components/switch/__tests__/__snapshots__/demo.test.web.js.snap

@@ -34,6 +34,7 @@ exports[`renders ./components/switch/demo/basic.md correctly 1`] = `
               class="am-switch-checkbox"
               name=""
               type="checkbox"
+              value="on"
             />
             <div
               class="checkbox"
@@ -67,6 +68,7 @@ exports[`renders ./components/switch/demo/basic.md correctly 1`] = `
               class="am-switch-checkbox"
               name=""
               type="checkbox"
+              value="off"
             />
             <div
               class="checkbox"
@@ -101,6 +103,7 @@ exports[`renders ./components/switch/demo/basic.md correctly 1`] = `
               disabled=""
               name=""
               type="checkbox"
+              value="off"
             />
             <div
               class="checkbox checkbox-disabled"
@@ -136,6 +139,7 @@ exports[`renders ./components/switch/demo/basic.md correctly 1`] = `
               disabled=""
               name=""
               type="checkbox"
+              value="on"
             />
             <div
               class="checkbox checkbox-disabled"
@@ -169,6 +173,7 @@ exports[`renders ./components/switch/demo/basic.md correctly 1`] = `
               class="am-switch-checkbox"
               name=""
               type="checkbox"
+              value="off"
             />
             <div
               class="checkbox"
@@ -203,6 +208,7 @@ exports[`renders ./components/switch/demo/basic.md correctly 1`] = `
               class="am-switch-checkbox"
               name=""
               type="checkbox"
+              value="on"
             />
             <div
               class="checkbox"

components/switch/__tests__/__snapshots__/index.test.js.snap

@@ -0,0 +1,21 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Switch renders correctly 1`] = `
+<RCTSwitch
+  disabled={false}
+  onChange={[Function]}
+  onResponderTerminationRequest={[Function]}
+  onStartShouldSetResponder={[Function]}
+  onValueChange={[Function]}
+  style={
+    Array [
+      Object {
+        "height": 31,
+        "width": 51,
+      },
+      undefined,
+    ]
+  }
+  value={true}
+/>
+`;

components/switch/__tests__/__snapshots__/index.test.web.js.snap

@@ -0,0 +1,18 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`SegmentedControl renders correctly 1`] = `
+<label
+  class="am-switch"
+>
+  <input
+    checked=""
+    class="am-switch-checkbox"
+    name=""
+    type="checkbox"
+    value="on"
+  />
+  <div
+    class="checkbox"
+  />
+</label>
+`;

components/switch/__tests__/index.test.js

@@ -0,0 +1,10 @@
+import React from 'react';
+import renderer from 'react-test-renderer';
+import Switch from '../index';
+
+describe('Switch', () => {
+  it('renders correctly', () => {
+    const tree = renderer.create(<Switch checked />).toJSON();
+    expect(tree).toMatchSnapshot();
+  });
+});

components/switch/__tests__/index.test.web.js

@@ -0,0 +1,18 @@
+import React from 'react';
+import { render, shallow } from 'enzyme';
+import { renderToJson } from 'enzyme-to-json';
+import Switch from '../index.web';
+
+describe('SegmentedControl', () => {
+  it('renders correctly', () => {
+    const wrapper = render(<Switch checked />);
+    expect(renderToJson(wrapper)).toMatchSnapshot();
+  });
+
+  it('check api', () => {
+    const onChange = jest.fn();
+    const wrapper = shallow(<Switch checked onChange={onChange} />);
+    wrapper.find('input').simulate('change', { target: { checked: false } });
+    expect(onChange).toHaveBeenCalledWith(false);
+  });
+});

components/switch/index.web.tsx

@@ -62,6 +62,7 @@ export default class Switch extends React.Component<SwitchProps, any> {
           disabled={disabled}
           checked={checked}
           onChange={this.onChange}
+          value={checked ? 'on' : 'off'}
           {...(!disabled ? { onClick: this.onClick } : {})}
           {...globalProps}
         />