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svelte/test/runtime/samples/each-block-keyed-random-per.../_config.js

63 lines
1.3 KiB

const VALUES = Array.from('abcdefghijklmnopqrstuvwxyz');
function toObjects(array) {
return array.split('').map(x => ({ id: x }));
}
function permute() {
const values = VALUES.slice();
const number = Math.floor(Math.random() * VALUES.length);
const permuted = [];
for (let i = 0; i < number; i++) {
permuted.push(
...values.splice(Math.floor(Math.random() * (number - i)), 1)
);
}
return permuted.join('');
}
export default {
props: {
values: toObjects('abc')
},
html: '(a)(b)(c)',
test({ assert, component, target }) {
function test(sequence) {
const previous = target.textContent;
const expected = sequence.split('').map(x => `(${x})`).join('');
component.values = toObjects(sequence);
assert.htmlEqual(
target.innerHTML,
expected,
`\n${previous} -> ${expected}\n${target.textContent}`
);
}
// first, some fixed tests so that we can debug them
test('abc');
test('abcd');
test('abecd');
test('fabecd');
test('fabed');
test('beadf');
test('ghbeadf');
test('gf');
test('gc');
test('g');
test('');
test('abc');
test('duqbmineapjhtlofrskcg');
test('hdnkjougmrvftewsqpailcb');
test('bidhfacge');
test('kgjnempcboaflidh');
test('fekbijachgd');
test('kdmlgfbicheja');
// then, we party
for (let i = 0; i < 100; i += 1) test(permute());
}
};