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describe('Custom jest matchers', () => {
describe('toMatchInterpolatedText', () => {
describe('malformed input', () => {
it.each([null, 1, Symbol, Array, Object])(
'fails graciously if the expected value is %s',
(expected) => {
expect(expected).not.toMatchInterpolatedText('null');
},
);
});
describe('malformed matcher', () => {
it.each([null, 1, Symbol, Array, Object])(
'fails graciously if the matcher is %s',
(matcher) => {
expect('null').not.toMatchInterpolatedText(matcher);
},
);
});
describe('positive assertion', () => {
it.each`
htmlString | templateString
${'foo'} | ${'foo'}
${'foo'} | ${'foo%{foo}'}
${'foo '} | ${'foo'}
${'foo '} | ${'foo%{foo}'}
${'foo . '} | ${'foo%{foo}.'}
${'foo bar . '} | ${'foo%{foo} bar.'}
${'foo\n\nbar . '} | ${'foo%{foo} bar.'}
${'foo bar . .'} | ${'foo%{fooStart} bar.%{fooEnd}.'}
`('$htmlString equals $templateString', ({ htmlString, templateString }) => {
expect(htmlString).toMatchInterpolatedText(templateString);
});
});
describe('negative assertion', () => {
it.each`
htmlString | templateString
${'foo'} | ${'bar'}
${'foo'} | ${'bar%{foo}'}
${'foo'} | ${'@{lol}foo%{foo}'}
${' fo o '} | ${'foo'}
`('$htmlString does not equal $templateString', ({ htmlString, templateString }) => {
expect(htmlString).not.toMatchInterpolatedText(templateString);
});
});
});
});
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