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