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import type { StoryObj } from '@storybook/web-components';
import {expect, getByTestId, within} from '@storybook/test';
import '../custom-element/custom-element.js';
import {Demo, SrcAttribute} from './location-element.test.stories';
type TProps = { title: string; body:string};
type Story = StoryObj<TProps>;
function sleep(ms: number) { return new Promise((resolve) => setTimeout(resolve, ms)); }
function render(args: TProps)
{
const {title, body} = args;
return `
<fieldset>
<legend>${ title }</legend>
${ body }
</fieldset>
`;
}
const meta =
{ title: 'external-templates'
, render
};
export default meta;
export const TemplateInPage:Story =
{ args : {title: 'Template in page DOM', body:`
<template id="template1">
<slot>Hello</slot> World!
</template>
<custom-element tag="dce-internal" src="#template1"></custom-element>
<!-- no need for loading fallback as the template exists -->
<dce-internal data-testid="slot-override">👋</dce-internal>
<dce-internal data-testid="slot-default"></dce-internal>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(TemplateInPage.args!.title as string);
const val = (prop:string)=> canvas.getByTestId(prop).textContent?.trim();
expect(val('slot-override')).toEqual('👋 World!');
expect(val('slot-default' )).toEqual('Hello World!');
},
};
export const NoTag:Story =
{ args : {title: 'no tag, template in same DOM', body:`
<template id="template2">
🏗️ construction
</template>
<custom-element src="#template2"></custom-element>
<custom-element src="#template2"></custom-element>`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(NoTag.args!.title as string);
expect(canvasElement.querySelectorAll('custom-element')[0].textContent.trim()).toEqual('🏗️ construction');
expect(canvasElement.querySelectorAll('custom-element')[1].textContent.trim()).toEqual('🏗️ construction');
},
};
export const ExternalSvg:Story =
{ args : {title: 'External SVG as template', body:`
<custom-element tag="dce-external" src="/confused.svg">
<template><i>loading from SVG ...</i></template>
</custom-element>
<dce-external></dce-external>
<custom-element src="confused.svg">
<i>inline DCE loading from SVG ...</i>
</custom-element>
<custom-element src="no.svg">
<i>fallback for missing image</i>
</custom-element>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(ExternalSvg.args!.title as string);
await expect(canvas.getByText('inline DCE loading from SVG ...')).toBeInTheDocument();
// needs separate test
// await expect( await canvas.findByText('loading from SVG ...')).toBeInTheDocument();
expect(canvasElement.querySelector('[src="confused.svg"]').innerHTML).to.include('loading from SVG ...');
await expect(await canvas.findByText('fallback for missing image')).toBeInTheDocument();
await expect(await canvas.findByTitle('Confused')).toBeInTheDocument();
},
};
export const ExternalXsltFile:Story =
{ args : {title: 'External XSLT file', body:`
<custom-element tag="dce-external-4" src="/tree.xsl">
<template><i>loading from XSLT ...</i></template>
</custom-element>
<dce-external-4 title="DCE with external XSLT template" data-fruit="🍌">Hi</dce-external-4>
<hr/>
<custom-element src="/tree.xsl" data-smile="👼" data-basket="🍒">
<i>inline DCE loading from XSLT ...</i>
</custom-element>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(ExternalXsltFile.args!.title as string);
expect(canvasElement.querySelector('dce-external-4').innerHTML).to.include('Hi');
expect(canvasElement.querySelector('[data-smile="👼"]').innerHTML).to.include('loading from XSLT ...');
await expect(await canvas.findByTestId('data-fruit')).toHaveTextContent('🍌');
await expect(await canvas.findByTestId('data-smile')).toHaveTextContent('👼');
},
};
export const ExternalHtmlFile:Story =
{ args : {title: 'external HTML template', body:`
<custom-element tag="dce-external-5" src="/html-template.html">
<template><i>loading from HTML file ...</i></template>
</custom-element>
<dce-external-5 title="DCE with external XSLT template" data-fruit="🍌">Hi</dce-external-5>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(ExternalHtmlFile.args!.title as string);
await canvas.findByText('👋');
const t5 = canvasElement.querySelector('dce-external-5').innerHTML;
expect(t5).to.include('👋');
expect(t5).to.include('👌');
expect(t5).to.include('<svg');
expect(t5).to.include('<math');
},
};
export const ExternalHtmlFileInline:Story =
{ args : {title: 'external HTML template', body:`
<custom-element src="/html-template.html" data-smile="👼" data-basket="🍒">
<i>inline DCE loading from HTML file ...</i>
</custom-element>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(ExternalHtmlFileInline.args!.title as string);
await canvas.findByText('👋');
const t5 = canvasElement.innerHTML;
expect(t5).to.include('👋');
expect(t5).to.include('👌');
expect(t5).to.include('<svg');
expect(t5).to.include('<math');
},
};
export const HtmlWithinHtmlFile:Story =
{ args : {title: 'external HTML template - html by id', body:`
<custom-element src="/html-template.html#wave">
<template><i>loading HTML from templates file ...</i></template>
</custom-element>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(HtmlWithinHtmlFile.args!.title as string);
expect(await canvas.findByText('👋')).toBeInTheDocument();
},
};
export const SvgWithinHtmlFile:Story =
{ args : {title: 'external HTML template - SVG by id', body:`
<custom-element src="/html-template.html#dwc-logo">
<template><i>loading SVG from templates file ...</i></template>
</custom-element>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(SvgWithinHtmlFile.args!.title as string);
expect(await canvas.findByTestId('svg-test')).toBeInTheDocument();
},
};
export const MathMLWithinHtmlFile:Story =
{ args : {title: 'external HTML template - MathML by id', body:`
<custom-element src="/html-template.html#sophomores-dream">
<template><i>loading MathML from HTML file ...</i></template>
</custom-element>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(MathMLWithinHtmlFile.args!.title as string);
const ml = await canvas.findByTestId('ml-test');
expect(ml.firstElementChild.localName).toEqual('mrow');
},
};
export const ByIdWithinXsltFile:Story =
{ args : {title: 'external XHTML template - xsl by id', body:`
<custom-element src="/html-template.xhtml#embedded-xsl">
<template>whole XSLT is embedded into HTML body</template>
</custom-element>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(ByIdWithinXsltFile.args!.title as string);
const ml = await canvas.findByTestId('src');
expect(ml.textContent).to.include('/html-template.xhtml#embedded-xsl');
},
};
export const MissingIdWithinXsltFile:Story =
{ args : {title: 'external HTML template - missing id', body:`
<custom-element src="/html-template.html#none">
<template><i data-testid="no-id">element with id=none is missing in template</i></template>
</custom-element>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(MissingIdWithinXsltFile.args!.title as string);
await sleep(100);
const ml = await canvas.findByTestId('no-id');
expect(ml.textContent).to.include('element with id=none is missing in template');
},
};
export const EmbeddingInAnotherFile:Story =
{ args : {title: 'external file with embedding of another external DCE', body:`
<custom-element src="/embed-1.html">
loading from embed-1.html ...
</custom-element>
`}
, play: async ({canvasElement}) =>
{
const canvas = within(canvasElement);
await canvas.findByText(EmbeddingInAnotherFile.args!.title as string);
await sleep(1);
expect(await canvas.findByText('embed-1.html')).toBeInTheDocument();
expect(await canvas.findByText('🖖')).toBeInTheDocument();
},
};
//#region unit tests
/* istanbul ignore else -- @preserve */
if( 'test' === import.meta.env.MODE &&
!import.meta.url.includes('skiptest') )
{
const mod = await import('./external-template.test.stories.ts?skiptest');
const { testStoryBook } = await import('./testStoryBook')
const { describe } = await import('vitest')
describe(meta.title, () => testStoryBook( mod, meta ) );
}
//#endregion
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