57 lines
1.8 KiB
TypeScript
57 lines
1.8 KiB
TypeScript
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import { beforeEach, describe, expect, it, vi } from 'vitest'
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vi.mock('../utils/editorPerformanceTrace', () => ({
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logRichEditorDispatchTrace: vi.fn(),
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}))
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import { logRichEditorDispatchTrace } from '../utils/editorPerformanceTrace'
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import { installRichEditorDispatchPerformanceProbe } from './richEditorDispatchPerformance'
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describe('rich editor dispatch performance probe', () => {
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beforeEach(() => {
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vi.clearAllMocks()
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vi.restoreAllMocks()
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})
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it('wraps ProseMirror dispatch once and logs the post-dispatch document size', () => {
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const nowSpy = vi.spyOn(performance, 'now')
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.mockReturnValueOnce(10)
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.mockReturnValueOnce(16)
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const originalDispatch = vi.fn(() => {
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view.state.doc.content.size = 70_010
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})
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const view = {
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dispatch: originalDispatch,
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state: { doc: { content: { size: 70_000 } } },
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}
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const editor = { prosemirrorView: view }
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installRichEditorDispatchPerformanceProbe(editor as never, () => '/vault/large.md')
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const wrappedDispatch = view.dispatch
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installRichEditorDispatchPerformanceProbe(editor as never, () => '/vault/large.md')
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expect(view.dispatch).toBe(wrappedDispatch)
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view.dispatch({ docChanged: true, steps: [{}] })
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expect(originalDispatch).toHaveBeenCalledTimes(1)
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expect(logRichEditorDispatchTrace).toHaveBeenCalledWith({
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docChanged: true,
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docSize: 70_010,
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durationMs: 6,
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notePath: '/vault/large.md',
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stepCount: 1,
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})
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nowSpy.mockRestore()
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})
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it('ignores partial editor view mocks without a dispatch function', () => {
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const editor = { prosemirrorView: { state: { doc: { content: { size: 1 } } } } }
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expect(() => {
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installRichEditorDispatchPerformanceProbe(editor as never, () => '/vault/mock.md')
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}).not.toThrow()
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expect(logRichEditorDispatchTrace).not.toHaveBeenCalled()
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})
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})
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