enzyme/docs/api/ReactWrapper/contains.md

JavaScript Testing utilities for React

# `.contains(node)`

Returns whether or not the current wrapper has a node anywhere in it's render tree that looks like
the one passed in.


#### Arguments

1. `node` (`ReactElement`): The node whose presence you are detecting in the current instance's 
render tree. 



#### Returns

`Boolean`: whether or not the current wrapper has a node anywhere in it's render tree that looks 
like the one passed in.



#### Example


```jsx
const wrapper = mount(<MyComponent />);
expect(wrapper.contains(<div className="foo bar" />)).to.be.true;
```


#### Common Gotchas

- `.contains()` expects a ReactElement, not a selector (like many other methods). Make sure that 
when you are calling it you are calling it with a 
- Keep in mind that this method determines equality based on the equality of the node's children as 
well.