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event testing

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aamunger 2023-05-24 14:24:30 -07:00
parent a54803afc9
commit c71766d505
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1 changed files with 46 additions and 3 deletions
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49
extensions/notebook-renderers/src/test/notebookRenderer.test.ts
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@ -6,7 +6,7 @@
import * as assert from 'assert';
import { activate } from '..';
import { OutputItem, RendererApi } from 'vscode-notebook-renderer';
import { IRichRenderContext, RenderOptions } from '../rendererTypes';
import { IDisposable, IRichRenderContext, RenderOptions } from '../rendererTypes';
import { JSDOM } from "jsdom";
const dom = new JSDOM();
@ -37,7 +37,15 @@ suite('Notebook builtin output renderer', () => {
type optionalRenderOptions = { [k in keyof RenderOptions]?: RenderOptions[k] };
type handler = (e: RenderOptions) => any;
const settingsChangedHandlers: handler[] = [];
function fireSettingsChange(options: optionalRenderOptions) {
settingsChangedHandlers.forEach((handler) => handler(options as RenderOptions));
}
function createContext(settings?: optionalRenderOptions): IRichRenderContext {
settingsChangedHandlers.length = 0;
return {
setState(_value: void) { },
getState() { return undefined; },
@ -48,9 +56,16 @@ suite('Notebook builtin output renderer', () => {
lineLimit: 30,
...settings
} as RenderOptions,
onDidChangeSettings<T>(_listener: (e: T) => any, _thisArgs?: any, _disposables?: any) {
onDidChangeSettings(listener: handler, _thisArgs?: any, disposables?: IDisposable[]) {
settingsChangedHandlers.push(listener);
const dispose = () => {
settingsChangedHandlers.splice(settingsChangedHandlers.indexOf(listener), 1);
};
disposables?.push({ dispose });
return {
dispose(): void { }
dispose
};
},
workspace: {
@ -250,5 +265,33 @@ suite('Notebook builtin output renderer', () => {
assert.ok(inserted.innerHTML.indexOf('>second stream content</') === -1, `Content was not cleared: ${outputElement.innerHTML}`);
assert.ok(inserted.innerHTML.indexOf('>third stream content</') === -1, `Content was not cleared: ${outputElement.innerHTML}`);
});
test(`Rendered output will wrap on settings change event`, async () => {
const context = createContext({ outputWordWrap: false, outputScrolling: true });
const renderer = await activate(context);
assert.ok(renderer, 'Renderer not created');
const outputElement = new OutputHtml().getFirstOuputElement();
const outputItem = createOutputItem('content', stdoutMimeType);
await renderer!.renderOutputItem(outputItem, outputElement);
fireSettingsChange({ outputWordWrap: true, outputScrolling: true });
const inserted = outputElement.firstChild as HTMLElement;
assert.ok(inserted.classList.contains('word-wrap') && inserted.classList.contains('scrollable'),
`output content classList should contain word-wrap and scrollable ${inserted.classList}`);
});
test(`Settings event change listeners should not grow if output is re-rendered`, async () => {
const context = createContext({ outputWordWrap: false });
const renderer = await activate(context);
assert.ok(renderer, 'Renderer not created');
const outputElement = new OutputHtml().getFirstOuputElement();
await renderer!.renderOutputItem(createOutputItem('content', stdoutMimeType), outputElement);
const handlerCount = settingsChangedHandlers.length;
await renderer!.renderOutputItem(createOutputItem('content', stdoutMimeType), outputElement);
assert.equal(settingsChangedHandlers.length, handlerCount);
});
});