Mailspring/packages/client-app/spec/components/blockquote-manager-spec.es6

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import { DOMUtils } from 'nylas-exports';
import BlockquoteManager from '../../src/components/contenteditable/blockquote-manager';
describe("BlockquoteManager", function BlockquoteManagerSpecs() {
const outdentCases = [`
<div>|</div>
`,
`
<div>
<span>|</span>
</div>
`,
`
<p></p>
<span>\n</span>
<span>|</span>
`,
`
<span></span>
<p></p>
<span></span>
<span>|</span>
`,
`
<div>
<div>
<div>|</div>
</div>
</div>
`,
`
<div>
<span></span>
<span>|</span>
</div>
`,
`
<span></span>
<p><span>yo</span></p>
<span></span>
<span>
<span></span>
<span></span>
<span>|test</span>
</span>
`,
]
const backspaceCases = [`
<div>yo|</div>
`,
`
<div>
yo
<span>|</span>
</div>
`,
`
<p></p>
<span>&nbsp;</span>
<span>|</span>
`,
`
<span></span>
<p></p>
<span>yo</span>
<span>|</span>
`,
`
<div>
<div>
<div>yo|</div>
</div>
</div>
`,
`
<div>
<span>yo</span>
<span>|</span>
</div>
`,
`
<span></span>
<p><span>yo</span></p>
<span></span>
<span>
<span>yo</span>
<span></span>
<span>|test</span>
</span>
`,
]
const setupContext = (testCase) => {
const context = document.createElement("blockquote");
context.innerHTML = testCase;
const {node, index} = DOMUtils.findCharacter(context, "|");
if (!node) {
throw new Error("Couldn't find where to set Selection");
}
const mockSelection = {
isCollapsed: true,
anchorNode: node,
anchorOffset: index,
};
return mockSelection;
};
outdentCases.forEach(testCase =>
it(`outdents\n${testCase}`, () => {
const mockSelection = setupContext(testCase);
const editor = {currentSelection() { return mockSelection; }};
expect(BlockquoteManager._isInBlockquote(editor)).toBe(true);
return expect(BlockquoteManager._isAtStartOfLine(editor)).toBe(true);
})
);
return backspaceCases.forEach(testCase =>
it(`backspaces (does NOT outdent)\n${testCase}`, () => {
const mockSelection = setupContext(testCase);
const editor = {currentSelection() { return mockSelection; }};
expect(BlockquoteManager._isInBlockquote(editor)).toBe(true);
return expect(BlockquoteManager._isAtStartOfLine(editor)).toBe(false);
})
);
});