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Add unit test for PostBody's measurePost (#2833)

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Miguel Alatzar 2019-05-25 08:58:49 -07:00 committed by Elias Nahum
parent f444b70f4f
commit b1bdd2b07c
1 changed files with 56 additions and 0 deletions
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56
app/components/post_body/post_body.test.js
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@ -67,4 +67,60 @@ describe('PostBody', () => {
expect(wrapper.find(PostBodyAdditionalContent).exists()).toBeFalsy();
});
test('measurePost should update isLongPost when showLongPost is false', () => {
const event = {
nativeEvent: {
layout: {
height: null,
},
},
};
const props = {...baseProps, showLongPost: false};
const wrapper = shallowWithIntl(<PostBody {...props}/>);
const instance = wrapper.instance();
expect(wrapper.state('isLongPost')).toEqual(false);
event.nativeEvent.layout.height = wrapper.state('maxHeight');
instance.measurePost(event);
expect(wrapper.state('isLongPost')).toEqual(true);
event.nativeEvent.layout.height = wrapper.state('maxHeight') - 1;
instance.measurePost(event);
expect(wrapper.state('isLongPost')).toEqual(false);
event.nativeEvent.layout.height = wrapper.state('maxHeight') + 1;
instance.measurePost(event);
expect(wrapper.state('isLongPost')).toEqual(true);
});
test('measurePost should not update isLongPost when showLongPost is true', () => {
const event = {
nativeEvent: {
layout: {
height: null,
},
},
};
const props = {...baseProps, showLongPost: true};
const wrapper = shallowWithIntl(<PostBody {...props}/>);
const instance = wrapper.instance();
expect(wrapper.state('isLongPost')).toEqual(false);
event.nativeEvent.layout.height = wrapper.state('maxHeight');
instance.measurePost(event);
expect(wrapper.state('isLongPost')).toEqual(false);
event.nativeEvent.layout.height = wrapper.state('maxHeight') - 1;
instance.measurePost(event);
expect(wrapper.state('isLongPost')).toEqual(false);
event.nativeEvent.layout.height = wrapper.state('maxHeight') + 1;
instance.measurePost(event);
expect(wrapper.state('isLongPost')).toEqual(false);
});
});