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Rearrange testing emoji sheet images

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Cadence Ember 2024-03-01 17:28:14 +13:00
parent 18ef337aef
commit c5d6c5e4c7
9 changed files with 515 additions and 133 deletions
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19
m2d/converters/emoji-sheet.test.js
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@ -27,8 +27,9 @@ class Meter extends Transform {
* @param {import("supertape").Test} t
* @param {string} path
* @param {number} totalSize
* @param {number => boolean} sizeCheck
*/
async function runSingleTest(t, path, totalSize) {
async function runSingleTest(t, path, totalSize, sizeCheck) {
const file = fs.createReadStream(path)
const meter = new Meter()
const p = file.pipe(meter)
@ -36,19 +37,23 @@ async function runSingleTest(t, path, totalSize) {
file.pause()
file.emit("end")
})
t.equal(result.subarray(1, 4).toString("ascii"), "PNG", `result was not a PNG file: ${result.toString("base64")}`)
t.equal(result.subarray(1, 4).toString("ascii"), "PNG", `test that this is a PNG file: ${result.toString("base64").slice(0, 100)}`)
/* c8 ignore next 5 */
if (meter.bytes < totalSize / 4) { // should download less than 25% of each file
t.pass("intentionally read partial file")
if (sizeCheck(meter.bytes)) {
t.pass("read the correct amount of the file")
} else {
t.fail(`read more than 25% of file, read: ${meter.bytes}, total: ${totalSize}`)
t.fail(`read too much or too little of the file, read: ${meter.bytes}, total: ${totalSize}`)
}
}
slow()("emoji-sheet: only partial file is read for APNG", async t => {
await runSingleTest(t, "test/res/butterfly.png", 2438998)
await runSingleTest(t, "test/res/butterfly.png", 2438998, n => n < 2438998 / 4) // should download less than 25% of the file
})
slow()("emoji-sheet: only partial file is read for GIF", async t => {
await runSingleTest(t, "test/res/butterfly.gif", 781223)
await runSingleTest(t, "test/res/butterfly.gif", 781223, n => n < 781223 / 4) // should download less than 25% of the file
})
slow()("emoji-sheet: entire file is read for static PNG", async t => {
await runSingleTest(t, "test/res/RLMgJGfgTPjIQtvvWZsYjhjy.png", 11301, n => n === 11301) // should download entire file
})