scratch-vm/test/unit/virtual-machine.js

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const test = require('tap').test;
const VirtualMachine = require('../../src/virtual-machine.js');
test('renameSprite throws when there is no sprite with that id', t => {
const vm = new VirtualMachine();
vm.runtime.getTargetById = () => null;
t.throws(
(() => vm.renameSprite('id', 'name')),
new Error('No target with the provided id.')
);
t.end();
});
test('renameSprite throws when used on a non-sprite target', t => {
const vm = new VirtualMachine();
const fakeTarget = {
isSprite: () => false
};
vm.runtime.getTargetById = () => (fakeTarget);
t.throws(
(() => vm.renameSprite('id', 'name')),
new Error('Cannot rename non-sprite targets.')
);
t.end();
});
test('renameSprite throws when there is no sprite for given target', t => {
const vm = new VirtualMachine();
const fakeTarget = {
sprite: null,
isSprite: () => true
};
vm.runtime.getTargetById = () => (fakeTarget);
t.throws(
(() => vm.renameSprite('id', 'name')),
new Error('No sprite associated with this target.')
);
t.end();
});
test('renameSprite sets the sprite name', t => {
const vm = new VirtualMachine();
const fakeTarget = {
sprite: {name: 'original'},
isSprite: () => true
};
vm.runtime.getTargetById = () => (fakeTarget);
vm.renameSprite('id', 'not-original');
t.equal(fakeTarget.sprite.name, 'not-original');
t.end();
});
test('renameSprite does not set sprite names to an empty string', t => {
const vm = new VirtualMachine();
const fakeTarget = {
sprite: {name: 'original'},
isSprite: () => true
};
vm.runtime.getTargetById = () => (fakeTarget);
vm.renameSprite('id', '');
t.equal(fakeTarget.sprite.name, 'original');
t.end();
});
test('renameSprite does not set sprite names to reserved names', t => {
const vm = new VirtualMachine();
const fakeTarget = {
sprite: {name: 'original'},
isSprite: () => true
};
vm.runtime.getTargetById = () => (fakeTarget);
vm.renameSprite('id', '_mouse_');
t.equal(fakeTarget.sprite.name, 'original');
t.end();
});
test('renameSprite increments from existing sprite names', t => {
const vm = new VirtualMachine();
vm.emitTargetsUpdate = () => {};
vm.runtime.targets = [{
id: 'id1',
isSprite: () => true,
sprite: {
name: 'this name'
}
}, {
id: 'id2',
isSprite: () => true,
sprite: {
name: 'that name'
}
}];
vm.renameSprite('id1', 'that name');
t.equal(vm.runtime.targets[0].sprite.name, 'that name2');
t.end();
});
test('renameSprite does not increment when renaming to the same name', t => {
const vm = new VirtualMachine();
vm.emitTargetsUpdate = () => {};
vm.runtime.targets = [{
id: 'id1',
isSprite: () => true,
sprite: {
name: 'this name'
}
}];
vm.renameSprite('id1', 'this name');
t.equal(vm.runtime.targets[0].sprite.name, 'this name');
t.end();
});
test('renameSound sets the sound name', t => {
const vm = new VirtualMachine();
vm.editingTarget = {
sprite: {
sounds: [{name: 'first'}, {name: 'second'}]
}
};
vm.renameSound(0, 'hello');
t.equal(vm.editingTarget.sprite.sounds[0].name, 'hello');
t.equal(vm.editingTarget.sprite.sounds[1].name, 'second');
// Make sure renaming to same name doesn't increment
vm.renameSound(0, 'hello');
t.equal(vm.editingTarget.sprite.sounds[0].name, 'hello');
// But renaming to used name does increment
vm.renameSound(1, 'hello');
t.equal(vm.editingTarget.sprite.sounds[1].name, 'hello2');
t.end();
});
test('renameCostume sets the costume name', t => {
const vm = new VirtualMachine();
vm.editingTarget = {
sprite: {
costumes: [{name: 'first'}, {name: 'second'}]
}
};
vm.renameCostume(0, 'hello');
t.equal(vm.editingTarget.sprite.costumes[0].name, 'hello');
t.equal(vm.editingTarget.sprite.costumes[1].name, 'second');
// Make sure renaming to same name doesn't increment
vm.renameCostume(0, 'hello');
t.equal(vm.editingTarget.sprite.costumes[0].name, 'hello');
// But renaming to used name does increment
vm.renameCostume(1, 'hello');
t.equal(vm.editingTarget.sprite.costumes[1].name, 'hello2');
t.end();
});
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test('emitWorkspaceUpdate', t => {
const vm = new VirtualMachine();
vm.runtime.targets = [
{
isStage: true,
variables: {
global: {
toXML: () => 'global'
}
}
}, {
variables: {
unused: {
toXML: () => 'unused'
}
}
}, {
variables: {
local: {
toXML: () => 'local'
}
},
blocks: {
toXML: () => 'blocks'
}
}
];
vm.editingTarget = vm.runtime.targets[2];
let xml = null;
vm.emit = (event, data) => (xml = data.xml);
vm.emitWorkspaceUpdate();
t.notEqual(xml.indexOf('global'), -1);
t.notEqual(xml.indexOf('local'), -1);
t.equal(xml.indexOf('unused'), -1);
t.notEqual(xml.indexOf('blocks'), -1);
t.end();
});