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refactor: move helper functions for tests

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Move the helper functions `testCostume` and `testBackdrop` outside of
their test definitions. In addition, define the latter in terms of the
former.
This commit is contained in:
jokebookservice1 2018-10-10 19:20:03 +01:00
parent df78a8345e
commit f2a46098ab
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1 changed files with 40 additions and 47 deletions
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87
test/unit/blocks_looks.js
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@ -25,32 +25,52 @@ const fakeRuntime = {
};
const blocks = new Looks(fakeRuntime);
test('switch costume block runs correctly', t => {
/**
* Test which costume index the `switch costume`
* block will jump to given an argument and array
* of costume names.
*
* @param {string[]} costumes List of costume names as strings
* @param {string|number|boolean} arg The argument to provide to the block.
* @param {number} [currentCostume=1] The 1-indexed default costume for the sprite to start at.
* @return {number} The 1-indexed costume index on which the sprite lands.
*/
const testCostume = (costumes, arg, currentCostume = 1) => {
const rt = new Runtime();
const looks = new Looks(rt);
/**
* Test which costume index the `switch costume`
* block will jump to given an argument and array
* of costume names. Works for backdrops if isStage is set.
*
* @param {string[]} costumes List of costume names as strings
* @param {string|number|boolean} arg The argument to provide to the block.
* @param {number} [currentCostume=1] The 1-indexed default costume for the sprite to start at.
* @param {boolean} [isStage=false] Whether the sprite is the stage
* @return {number} The 1-indexed costume index on which the sprite lands.
*/
const testCostume = (costumes, arg, currentCostume = 1, isStage = false) => {
const rt = new Runtime();
const looks = new Looks(rt);
const sprite = new Sprite(null, rt);
const target = new RenderedTarget(sprite, rt);
const sprite = new Sprite(null, rt);
const target = new RenderedTarget(sprite, rt);
sprite.costumes = costumes.map(name => ({name: name}));
target.currentCostume = currentCostume - 1; // Convert to 0-indexed.
sprite.costumes = costumes.map(name => ({name: name}));
target.currentCostume = currentCostume - 1; // Convert to 0-indexed.
if(isStage) {
target.isStage = true;
rt.targets.push(target);
looks.switchBackdrop({BACKDROP: arg}, {target});
} else {
looks.switchCostume({COSTUME: arg}, {target});
}
return target.currentCostume + 1; // Convert to 1-indexed.
};
return target.currentCostume + 1; // Convert to 1-indexed.
};
/**
* Test which backdrop index the `switch backdrop`
* block will jump to given an argument and array
* of backdrop names.
*
* @param {string[]} backdrops List of backdrop names as strings
* @param {string|number|boolean} arg The argument to provide to the block.
* @param {number} [currentCostume=1] The 1-indexed default backdrop for the stage to start at.
* @return {number} The 1-indexed backdrop index on which the stage lands.
*/
const testBackdrop = (backdrops, arg, currentCostume = 1) => testCostume(backdrops, arg, currentCostume, true)
test('switch costume block runs correctly', t => {
// Non-existant costumes do nothing
t.strictEqual(testCostume(['a', 'b', 'c', 'd'], 'e', 3), 3);
@ -98,33 +118,6 @@ test('switch costume block runs correctly', t => {
});
test('switch backdrop block runs correctly', t => {
/**
* Test which backdrop index the `switch backdrop`
* block will jump to given an argument and array
* of backdrop names.
*
* @param {string[]} backdrops List of backdrop names as strings
* @param {string|number|boolean} arg The argument to provide to the block.
* @param {number} [currentCostume=1] The 1-indexed default backdrop for the stage to start at.
* @return {number} The 1-indexed backdrop index on which the stage lands.
*/
const testBackdrop = (backdrops, arg, currentCostume = 1) => {
const rt = new Runtime();
const looks = new Looks(rt);
const stage = new Sprite(null, rt);
const target = new RenderedTarget(stage, rt);
stage.costumes = backdrops.map(name => ({name: name}));
target.currentCostume = currentCostume - 1; // Convert to 0-indexed.
target.isStage = true;
rt.targets.push(target);
looks.switchBackdrop({BACKDROP: arg}, {target});
return target.currentCostume + 1; // Convert to 1-indexed.
};
// Non-existant backdrops do nothing
t.strictEqual(testBackdrop(['a', 'b', 'c', 'd'], 'e', 3), 3);