自动缩略图插件审核修改

SpineThumbnailGenerateServer/tests/instance-coordinator.test.js

@@ -0,0 +1,66 @@
+'use strict';
+
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const os = require('node:os');
+const path = require('node:path');
+const coordinatorModule = require('../js/instance-coordinator');
+
+const coordinators = [];
+
+(async () => {
+	const root = fs.mkdtempSync(path.join(os.tmpdir(), 'spine-instance-coordinator-'));
+	const storage = coordinatorModule.createFileStorage(path.join(root, '用户 data', 'instance-state.json'));
+	let timestamp = 1000;
+	let hidden = 0;
+	const changes = { a: [], b: [], c: [], d: [] };
+	const make = (id, visible) => {
+		const coordinator = coordinatorModule.createCoordinator({
+			storage,
+			id,
+			now: () => timestamp,
+			hide: () => { hidden += 1; },
+			isVisible: () => visible,
+			onActiveChanged: (active) => changes[id].push(active),
+		});
+		coordinators.push(coordinator);
+		return coordinator;
+	};
+
+	const hiddenService = make('a', false);
+	const visibleUi = make('b', true);
+	const duplicateUi = make('c', true);
+	hiddenService.start();
+	assert.equal(hiddenService.isActive(), true);
+
+	visibleUi.start();
+	assert.equal(hiddenService.evaluate(), false);
+	assert.equal(visibleUi.isActive(), true);
+
+	duplicateUi.start();
+	assert.equal(duplicateUi.isActive(), true, 'the later window takes ownership');
+	assert.equal(visibleUi.evaluate(), false);
+	assert.equal(hidden, 1, 'the previous visible window is hidden');
+
+	const laterWindow = make('d', false);
+	laterWindow.start();
+	assert.equal(laterWindow.isActive(), false, 'a hidden background window must not steal visible UI');
+	assert.equal(duplicateUi.isActive(), true);
+	assert.equal(hidden, 1);
+
+	timestamp += coordinatorModule.STALE_MS + 1;
+	assert.equal(laterWindow.evaluate(), true, 'stale owner allows background takeover');
+	assert.equal(duplicateUi.evaluate(), false);
+	assert.equal(hidden, 2);
+
+	hiddenService.stop();
+	visibleUi.stop();
+	duplicateUi.stop();
+	laterWindow.stop();
+	console.log('PASS: opened UI takes ownership and background instances respect it');
+	fs.rmSync(root, { recursive: true, force: true });
+})().catch((error) => {
+	for (const coordinator of coordinators) coordinator.stop();
+	console.error(error);
+	process.exitCode = 1;
+});