Add Test

test/utils/dummyfile.ts

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+import { DEFAULT_SETTINGS } from "@/lib/src/common/types.ts";
+import { readFile } from "../utils/fileapi.vite.ts";
+let charset = "";
+export async function init() {
+    console.log("Initializing dummyfile utils...");
+
+    charset = (await readFile("test/utils/testcharvariants.txt")).toString();
+    console.log(`Loaded charset of length ${charset.length}`);
+    console.log(charset);
+}
+export const DummyFileSourceInisialised = init();
+function* indexer(range: number = 1000, seed: number = 0): Generator<number, number, number> {
+    let t = seed | 0;
+    while (true) {
+        t = (t + 0x6d2b79f5) | 0;
+        let z = t;
+        z = Math.imul(z ^ (z >>> 15), z | 1);
+        z ^= z + Math.imul(z ^ (z >>> 7), z | 61);
+        const float = ((z ^ (z >>> 14)) >>> 0) / 4294967296;
+        yield Math.floor(float * range);
+    }
+}
+
+export function* generateFile(size: number): Generator<string> {
+    const chunkSourceStr = charset;
+    const chunkStore = [...chunkSourceStr]; // To support indexing avoiding multi-byte issues
+    const bufSize = 1024;
+    let buf = "";
+    let generated = 0;
+    const indexGen = indexer(chunkStore.length);
+    while (generated < size) {
+        const f = indexGen.next().value;
+        buf += chunkStore[f];
+        generated += 1;
+        if (buf.length >= bufSize) {
+            yield buf;
+            buf = "";
+        }
+    }
+    if (buf.length > 0) {
+        yield buf;
+    }
+}
+export function* generateBinaryFile(size: number): Generator<Uint8Array<ArrayBuffer>> {
+    let generated = 0;
+    const pattern = Array.from({ length: 256 }, (_, i) => i);
+    const indexGen = indexer(pattern.length);
+    const bufSize = 1024;
+    const buf = new Uint8Array(bufSize);
+    let bufIdx = 0;
+    while (generated < size) {
+        const f = indexGen.next().value;
+        buf[bufIdx] = pattern[f];
+        bufIdx += 1;
+        generated += 1;
+        if (bufIdx >= bufSize) {
+            yield buf;
+            bufIdx = 0;
+        }
+    }
+    if (bufIdx > 0) {
+        yield buf.subarray(0, bufIdx);
+    }
+}
+
+// File size for markdown test files (10B to 1MB, roughly logarithmic scale)
+export const FILE_SIZE_MD = [10, 100, 1000, 10000, 100000, 1000000];
+// File size for test files (10B to 40MB, roughly logarithmic scale)
+export const FILE_SIZE_BINS = [
+    10,
+    100,
+    1000,
+    50000,
+    100000,
+    5000000,
+    DEFAULT_SETTINGS.syncMaxSizeInMB * 1024 * 1024 + 1,
+];

test/utils/fileapi.vite.ts

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+import { server } from "vitest/browser";
+const { readFile, writeFile } = server.commands;
+export { readFile, writeFile };

test/utils/testcharvariants.txt

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+國破山河在，城春草木深。
+感時花濺淚，恨別鳥驚心。
+烽火連三月，家書抵萬金。
+白頭搔更短，渾欲不勝簪。
+«Nel mezzo del cammin di nostra vita
+mi ritrovai per una selva oscura,
+ché la diritta via era smarrita.»
+Духовной жаждою томим,
+В пустыне мрачной я влачился, —
+И шестикрылый серафим
+На перепутье мне явился.
+Shall I compare thee to a summer’s day?
+Thou art more lovely and more temperate:
+Rough winds do shake the darling buds of May,
+And summer’s lease hath all too short a date:
+
+📜🖋️ 🏺 🏛️ 春望𠮷‌ché🇷🇺Аa‮RTLO🏳️‍🌈👨‍👩‍👧‍👦lʼanatraｱｲｳｴｵ