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import React, { useEffect } from 'react'
import { createEditor, Text, Transforms } from 'slate'
import { act, render } from '@testing-library/react'
import { Slate, withReact, Editable } from '../src'
describe('slate-react', () => {
describe('Editable', () => {
describe('NODE_TO_KEY logic', () => {
test('should not unmount the node that gets split on a split_node operation', async () => {
const editor = withReact(createEditor())
const initialValue = [{ type: 'block', children: [{ text: 'test' }] }]
const mounts = jest.fn()
act(() => {
render(
<Slate
editor={editor}
initialValue={initialValue}
onChange={() => {}}
>
<Editable
renderElement={({ children }) => {
useEffect(() => mounts(), [])
return children
}}
/>
</Slate>
)
})
// slate updates at next tick, so we need this to be async
await act(async () =>
Transforms.splitNodes(editor, { at: { path: [0, 0], offset: 2 } })
)
// 2 renders, one for the main element and one for the split element
expect(mounts).toHaveBeenCalledTimes(2)
})
test('should not unmount the node that gets merged into on a merge_node operation', async () => {
const editor = withReact(createEditor())
const initialValue = [
{ type: 'block', children: [{ text: 'te' }] },
{ type: 'block', children: [{ text: 'st' }] },
]
const mounts = jest.fn()
act(() => {
render(
<Slate
editor={editor}
initialValue={initialValue}
onChange={() => {}}
>
<Editable
renderElement={({ children }) => {
useEffect(() => mounts(), [])
return children
}}
/>
</Slate>
)
})
// slate updates at next tick, so we need this to be async
await act(async () =>
Transforms.mergeNodes(editor, { at: { path: [0, 0], offset: 0 } })
)
// only 2 renders for the initial render
expect(mounts).toHaveBeenCalledTimes(2)
})
})
test('calls onSelectionChange when editor select change', async () => {
const editor = withReact(createEditor())
const initialValue = [
{ type: 'block', children: [{ text: 'te' }] },
{ type: 'block', children: [{ text: 'st' }] },
]
const onChange = jest.fn()
const onValueChange = jest.fn()
const onSelectionChange = jest.fn()
act(() => {
render(
<Slate
editor={editor}
initialValue={initialValue}
onChange={onChange}
onValueChange={onValueChange}
onSelectionChange={onSelectionChange}
>
<Editable />
</Slate>
)
})
await act(async () =>
Transforms.select(editor, { path: [0, 0], offset: 2 })
)
expect(onSelectionChange).toHaveBeenCalled()
expect(onChange).toHaveBeenCalled()
expect(onValueChange).not.toHaveBeenCalled()
})
test('calls onValueChange when editor children change', async () => {
const editor = withReact(createEditor())
const initialValue = [{ type: 'block', children: [{ text: 'test' }] }]
const onChange = jest.fn()
const onValueChange = jest.fn()
const onSelectionChange = jest.fn()
act(() => {
render(
<Slate
editor={editor}
initialValue={initialValue}
onChange={onChange}
onValueChange={onValueChange}
onSelectionChange={onSelectionChange}
>
<Editable />
</Slate>
)
})
await act(async () => Transforms.insertText(editor, 'Hello word!'))
expect(onValueChange).toHaveBeenCalled()
expect(onChange).toHaveBeenCalled()
expect(onSelectionChange).not.toHaveBeenCalled()
})
test('calls onValueChange when editor setNodes', async () => {
const editor = withReact(createEditor())
const initialValue = [{ type: 'block', children: [{ text: 'test' }] }]
const onChange = jest.fn()
const onValueChange = jest.fn()
const onSelectionChange = jest.fn()
act(() => {
render(
<Slate
editor={editor}
initialValue={initialValue}
onChange={onChange}
onValueChange={onValueChange}
onSelectionChange={onSelectionChange}
>
<Editable />
</Slate>
)
})
await act(async () =>
Transforms.setNodes(
editor,
// @ts-ignore
{ bold: true },
{
at: { path: [0, 0], offset: 2 },
match: Text.isText,
split: true,
}
)
)
expect(onChange).toHaveBeenCalled()
expect(onValueChange).toHaveBeenCalled()
expect(onSelectionChange).not.toHaveBeenCalled()
})
test('calls onValueChange when editor children change', async () => {
const editor = withReact(createEditor())
const initialValue = [{ type: 'block', children: [{ text: 'test' }] }]
const onChange = jest.fn()
const onValueChange = jest.fn()
const onSelectionChange = jest.fn()
act(() => {
render(
<Slate
editor={editor}
initialValue={initialValue}
onChange={onChange}
onValueChange={onValueChange}
onSelectionChange={onSelectionChange}
>
<Editable />
</Slate>
)
})
await act(async () => Transforms.insertText(editor, 'Hello word!'))
expect(onValueChange).toHaveBeenCalled()
expect(onChange).toHaveBeenCalled()
expect(onSelectionChange).not.toHaveBeenCalled()
})
})
})
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