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test update: screenshots dimensions exception list

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This commit is contained in:
Francis Turmel 2023-10-09 10:13:42 -04:00
parent fe14982fb5
commit 6cf28f7312
1 changed files with 21 additions and 6 deletions
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27
tests/screenshots.test.js
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@ -8,6 +8,12 @@ const editorUrls = getEditorUrls();
// ---
const exceptions = new Map([
['figure_4_8_image', [1280, 480]],
['figure_4_8_circles', [1280, 480]],
['figure_i_2_bell_curve', [1440, 480]],
]);
describe('Validate examples screenshots`', () => {
const createCanvasRegex = /\s*createCanvas\(\s*(\d+)\s*,\s*(\d+)/;
@ -17,12 +23,21 @@ describe('Validate examples screenshots`', () => {
const screenshotPath = path.join(exampleDir, 'screenshot.png');
expect(fs.existsSync(screenshotPath)).toBe(true);
// extract the sketch canvas dimensions from the `createCanvas()` function call in `sketch.js`
const sketchFilePath = path.join(exampleDir, 'sketch.js');
const sketchFile = fs.readFileSync(sketchFilePath).toString();
const canvasSize = createCanvasRegex.exec(sketchFile);
const expectedWidth = Number(canvasSize[1]) * 2;
const expectedHeight = Number(canvasSize[2]) * 2;
let expectedWidth;
let expectedHeight;
const dirName = path.basename(exampleDir);
if (exceptions.has(dirName)) {
// use the dimensions from the `exceptions` map
[expectedWidth, expectedHeight] = exceptions.get(dirName);
} else {
// extract the sketch canvas dimensions from the `createCanvas()` function call in `sketch.js`
const sketchFilePath = path.join(exampleDir, 'sketch.js');
const sketchFile = fs.readFileSync(sketchFilePath).toString();
const canvasSize = createCanvasRegex.exec(sketchFile);
expectedWidth = Number(canvasSize[1]) * 2;
expectedHeight = Number(canvasSize[2]) * 2;
}
// get the actual dimensions of the screenshot
const { width, height } = await sharp(screenshotPath).metadata();