Test(Switch):Add switch test (#37)

src/switch/__test__/Switch.test.js

@@ -0,0 +1,42 @@
+import React from 'react';
+import { mount } from 'enzyme';
+import { Switch } from '../../../src';
+
+describe('<Switch>', () => {
+  const wrapperState = {
+    value: 0,
+  };
+  const wrapper = mount(<Switch
+    onChange={(e, checked) => {
+      wrapperState.value = checked;
+    }}
+  />);
+  it('Test the default props and node.', () => {
+    expect(wrapper.name()).toBe('Switch');
+    // 默认值测试
+    expect(wrapper.find('.w-switch')).toHaveLength(1);
+    expect(wrapper.type()).toEqual(Switch);
+    expect(wrapper.at(0).prop('prefixCls')).toBe('w-switch');
+    expect(wrapper.at(0).prop('size')).toBe('default');
+    expect(wrapper.at(0).prop('disabled')).toBe(false);
+    expect(wrapper.at(0).prop('checked')).toBe(false);
+  });
+
+  it('Test checked attributes.', () => {
+    expect(wrapper.find('.w-switch').at(0).prop('className')).toBe('w-switch w-switch-default');
+    wrapper.setProps({ checked: true });
+    expect(wrapper.find('.w-switch').at(0).prop('className')).toBe('w-switch w-switch-checked w-switch-default');
+  });
+
+  it('Test size attributes.', () => {
+    wrapper.setProps({ size: 'large' });
+    expect(wrapper.find('.w-switch').at(0).prop('className')).toBe('w-switch w-switch-checked w-switch-large');
+  });
+
+  it('Test onChange event.', () => {
+    const S = wrapper.find('.w-switch input').at(0);
+    S.simulate('change');
+    expect(wrapperState.value).toBe(true);
+    expect(S.html()).toContain('<input type="checkbox">');
+  });
+});