/
normalizeStory.test.ts
208 lines (198 loc) · 7.1 KB
/
normalizeStory.test.ts
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import { normalizeV2, normalizeV3 } from './normalizeStory';
const globalRender = 'global-render';
describe('normalizeStory', () => {
describe('user-provided story function', () => {
describe('v2', () => {
it('should normalize into an object', () => {
const storyFn = () => {};
const meta = { title: 'title' };
expect(normalizeV2('storyExport', storyFn, meta, globalRender)).toMatchInlineSnapshot(`
Object {
"name": "Story Export",
"parameters": Object {
"__id": "title--story-export",
"argTypes": Object {},
"args": Object {},
"decorators": Array [],
"loaders": Array [],
},
"storyFn": [Function],
}
`);
});
});
describe('v3', () => {
it('should normalize into an object', () => {
const storyFn = () => {};
const meta = { title: 'title' };
expect(normalizeV3('storyExport', storyFn, meta, globalRender)).toMatchInlineSnapshot(`
Object {
"name": "Story Export",
"parameters": Object {
"__id": "title--story-export",
"argTypes": Object {},
"args": Object {},
"decorators": Array [],
"loaders": Array [],
"play": undefined,
},
"storyFn": [Function],
}
`);
});
it('should throw on story annotation', async () => {
const storyFn = () => {};
storyFn.story = { name: 'v1 style name' };
const meta = { title: 'title' };
await expect(async () =>
normalizeV3('storyExport', storyFn, meta, globalRender)
).rejects.toThrow();
});
});
});
describe('user-provided story object', () => {
describe('v2', () => {
it('should treat it the same as if it was a function', () => {
const storyObj = {};
const meta = { title: 'title' };
expect(normalizeV2('storyExport', storyObj, meta, globalRender)).toMatchInlineSnapshot(`
Object {
"name": "Story Export",
"parameters": Object {
"__id": "title--story-export",
"argTypes": Object {},
"args": Object {},
"decorators": Array [],
"loaders": Array [],
},
"storyFn": Object {},
}
`);
});
});
describe('v3', () => {
describe('render function', () => {
it('implicit render function', () => {
const storyObj = {};
const meta = { title: 'title' };
const normalized = normalizeV3('storyExport', storyObj, meta, globalRender);
expect(normalized.storyFn).toBe(globalRender);
});
it('user-provided story render function', () => {
const storyObj = { render: () => 'story' };
const meta = { title: 'title', render: () => 'meta' };
const normalized = normalizeV3('storyExport', storyObj, meta, globalRender);
expect(normalized.storyFn).toBe(storyObj.render);
});
it('user-provided meta render function', () => {
const storyObj = {};
const meta = { title: 'title', render: () => 'meta' };
const normalized = normalizeV3('storyExport', storyObj, meta, globalRender);
expect(normalized.storyFn).toBe(meta.render);
});
});
describe('play function', () => {
it('no render function', () => {
const storyObj = {};
const meta = { title: 'title' };
const normalized = normalizeV3('storyExport', storyObj, meta, globalRender);
expect(normalized.parameters.play).toBeUndefined();
});
it('user-provided story render function', () => {
const storyObj = { play: () => 'story' };
const meta = { title: 'title', play: () => 'meta' };
const normalized = normalizeV3('storyExport', storyObj, meta, globalRender);
expect(normalized.parameters.play).toBe(storyObj.play);
});
it('user-provided meta render function', () => {
const storyObj = {};
const meta = { title: 'title', play: () => 'meta' };
const normalized = normalizeV3('storyExport', storyObj, meta, globalRender);
expect(normalized.parameters.play).toBe(meta.play);
});
});
describe('annotations', () => {
it('empty annotations', () => {
const storyObj = {};
const meta = { title: 'title' };
const normalized = normalizeV3('storyExport', storyObj, meta, globalRender);
expect(normalized).toMatchInlineSnapshot(`
Object {
"name": "Story Export",
"parameters": Object {
"__id": "title--story-export",
"argTypes": Object {},
"args": Object {},
"decorators": Array [],
"loaders": Array [],
"play": undefined,
},
"storyFn": "global-render",
}
`);
});
it('full annotations', () => {
const storyObj = {
name: 'story name',
parameters: { storyParam: 'val' },
decorators: [() => {}],
loaders: [() => {}],
args: { storyArg: 'val' },
argTypes: { storyArgType: 'val' },
};
const meta = { title: 'title' };
const normalized = normalizeV3('storyExport', storyObj, meta, globalRender);
expect(normalized).toMatchInlineSnapshot(`
Object {
"name": "story name",
"parameters": Object {
"__id": "title--story-export",
"argTypes": Object {
"storyArgType": "val",
},
"args": Object {
"storyArg": "val",
},
"decorators": Array [
[Function],
],
"loaders": Array [
[Function],
],
"play": undefined,
"storyParam": "val",
},
"storyFn": "global-render",
}
`);
});
it('meta annotations', () => {
const storyObj = {};
const meta = {
title: 'title',
parameters: { metaParam: 'val' },
decorators: [() => {}],
loaders: [() => {}],
args: { metaArg: 'val' },
argTypes: { metaArgType: 'val' },
};
const normalized = normalizeV3('storyExport', storyObj, meta, globalRender);
expect(normalized).toMatchInlineSnapshot(`
Object {
"name": "Story Export",
"parameters": Object {
"__id": "title--story-export",
"argTypes": Object {},
"args": Object {},
"decorators": Array [],
"loaders": Array [],
"play": undefined,
},
"storyFn": "global-render",
}
`);
});
});
});
});
});