Add tests based on official spritepacks

.github/workflows/test.yml

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+name: Run official spritepack tests
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  test:
+    name: Test schema files on official spritepacks
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup NodeJS
+        uses: actions/setup-node@v4
+        with: { node-version: 21 }
+      - name: Install packages
+        run: cd test && yarn install
+      - name: Run tests
+        run: cd test && yarn test

test/.gitignore

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+node_modules
+mas_git

test/git.js

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+import { stat } from "fs/promises";
+import { exec } from "child_process";
+import { glob } from "glob";
+
+const masGitUrl = "https://github.com/Monika-After-Story/MonikaModDev.git";
+const masGitDir = "mas_git";
+
+async function isMasGitPresent() {
+    try {
+        await stat(masGitDir);
+        return true;
+    } catch (e) {
+        if (e.code === "ENOENT") return false;
+        throw e;
+    }
+}
+
+async function cloneMasGit() {
+    return await new Promise((resolve, reject) => {
+        exec(`git clone --depth=1 ${masGitUrl} ${masGitDir}`, (err) => {
+            if (!err) resolve();
+            else reject(err);
+        });
+    });
+}
+
+async function updateMasGit() {
+    return await new Promise((resolve, reject) => {
+        exec(`git pull origin master`, { cwd: masGitDir }, (err) => {
+            if (!err) resolve();
+            else reject(err);
+        })
+    });
+}
+
+export async function syncMasGit() {
+    const exists = await isMasGitPresent();
+    if (!exists) await cloneMasGit();
+    else await updateMasGit();
+}
+
+export async function getJsonList(type = "released") {
+    return await glob(`${masGitDir}/spritepacks/${type}/**/*.json`);
+}

test/jest.config.json

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+{
+    "setupFilesAfterEnv": ["jest-expect-message"]
+}

test/package.json

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+{
+    "type": "module",
+    "scripts": {
+        "test": "node --experimental-vm-modules $(yarn bin jest)"
+    },
+    "dependencies": {
+        "ajv": "^8.12.0",
+        "glob": "^10.3.12"
+    },
+    "devDependencies": {
+        "jest": "^29.7.0",
+        "jest-expect-message": "^1.1.3"
+    },
+    "resolutions": {
+        "string-width": "4.2.3"
+    }
+}

test/schema.js

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+import { readFile } from "fs/promises";
+import Ajv from "ajv";
+
+const ajv = new Ajv({
+    allowUnionTypes: true,
+    allErrors: true,
+    allowMatchingProperties: true
+});
+
+async function compileSchemaJson(name) {
+    const json = await readFile(`../${name}.schema.json`, { encoding: "utf-8" });
+    return ajv.compile(JSON.parse(json));
+}
+
+const schema = {};
+schema["0"] = await compileSchemaJson("acs");
+schema["0-split"] = await compileSchemaJson("acs-split");
+schema["1"] = await compileSchemaJson("hair");
+schema["2"] = await compileSchemaJson("clothes");
+
+export function inferSchema(json) {
+    const { type, arm_split } = json;
+    if (type === 0) return schema[!!arm_split ? "0-split" : "0"];
+    return schema[type];
+}
+
+export async function readJson(path) {
+    const json = await readFile(path, { encoding: "utf-8" });
+    return JSON.parse(json);
+}

test/schema.test.js

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+import { getJsonList, syncMasGit } from "./git.js";
+import { inferSchema, readJson } from "./schema.js";
+
+function testJson(path, json) {
+    test(path, () => {
+        const validate = inferSchema(json);
+        const pass = validate(json);
+        const errors = validate.errors ?? [];
+        const message = JSON.stringify(errors, null, 2);
+        expect(pass, message, { showPrefix: false }).toBeTruthy();
+    });
+}
+
+await syncMasGit();
+await Promise.all((await getJsonList())
+    .map(async (it) => {
+        const json = await readJson(it);
+        testJson(it, json);
+    }));