scratch-vm/test/unit/util_new-block-ids.js

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const newBlockIds = require('../../src/util/new-block-ids');
const simpleStack = require('../fixtures/simple-stack');
const tap = require('tap');
const test = tap.test;
let originals;
let newBlocks;
tap.beforeEach(done => {
originals = simpleStack;
// Will be mutated so make a copy first
newBlocks = JSON.parse(JSON.stringify(simpleStack));
newBlockIds(newBlocks);
done();
});
/**
* The structure of the simple stack is:
* moveTo (looks_size) -> stopAllSounds
* The list of blocks is
* 0: moveTo (TO input block: 1, shadow: 2)
* 1: looks_size (parent: 0)
* 2: obscured shadow for moveTo input (parent: 0)
* 3: stopAllSounds (parent: 0)
* Inspect fixtures/blocks for the full object.
*/
test('top-level block IDs have all changed', t => {
newBlocks.forEach((block, i) => {
t.notEqual(block.id, originals[i].id);
});
t.end();
});
test('input reference is maintained on parent for attached block', t => {
t.equal(newBlocks[0].inputs.TO.block, newBlocks[1].id);
t.end();
});
test('input reference is maintained on parent for obscured shadow', t => {
t.equal(newBlocks[0].inputs.TO.shadow, newBlocks[2].id);
t.end();
});
test('parent reference is maintained for attached input', t => {
t.equal(newBlocks[1].parent, newBlocks[0].id);
t.end();
});
test('parent reference is maintained for obscured shadow', t => {
t.equal(newBlocks[2].parent, newBlocks[0].id);
t.end();
});
test('parent reference is maintained for next block', t => {
t.equal(newBlocks[3].parent, newBlocks[0].id);
t.end();
});
test('next reference is maintained for previous block', t => {
t.equal(newBlocks[0].next, newBlocks[3].id);
t.end();
});