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import { pickDirection } from '~/diffs/utils/diff_line';
describe('diff_line utilities', () => {
describe('pickDirection', () => {
const left = {
line_code: 'left',
};
const right = {
line_code: 'right',
};
const defaultLine = {
left,
right,
};
it.each`
code | pick | line | pickDescription
${'left'} | ${left} | ${defaultLine} | ${'the left line'}
${'right'} | ${right} | ${defaultLine} | ${'the right line'}
${'junk'} | ${left} | ${defaultLine} | ${'the default: the left line'}
${'junk'} | ${right} | ${{ right }} | ${"the right line if there's no left line to default to"}
${'right'} | ${left} | ${{ left }} | ${"the left line when there isn't a right line to match"}
`(
'when provided a line and a line code `$code`, picks $pickDescription',
({ code, line, pick }) => {
expect(pickDirection({ line, code })).toBe(pick);
},
);
});
});
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