[Init] Initial commit - NetMesh terminal manager

application/state/activeTabStore.test.ts

@@ -0,0 +1,85 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { activeTabStore, fromEditorTabId, isEditorTabId, toEditorTabId } from './activeTabStore';
+import { terminalLayoutSuppressStore } from './terminalLayoutSuppressStore';
+
+test('active tab store remembers the previous tab for restore-on-close', () => {
+  const previousWindow = (globalThis as { window?: unknown }).window;
+  (globalThis as { window?: unknown }).window ??= globalThis;
+
+  const marker = `prev-tab-${Date.now()}`;
+  const first = `${marker}-a`;
+  const second = `${marker}-b`;
+  const third = `${marker}-c`;
+  const before = activeTabStore.getActiveTabId();
+
+  try {
+    activeTabStore.setActiveTabId(first);
+    activeTabStore.setActiveTabId(second);
+    assert.equal(activeTabStore.getPreviousActiveTabId(), first);
+
+    activeTabStore.setActiveTabId(third);
+    assert.equal(activeTabStore.getPreviousActiveTabId(), second);
+
+    activeTabStore.setActiveTabId(first, { recordPrevious: false });
+    assert.equal(activeTabStore.getActiveTabId(), first);
+    assert.equal(activeTabStore.getPreviousActiveTabId(), second);
+  } finally {
+    activeTabStore.setActiveTabId(before, { recordPrevious: false });
+    if (previousWindow === undefined) {
+      delete (globalThis as { window?: unknown }).window;
+    } else {
+      (globalThis as { window?: unknown }).window = previousWindow;
+    }
+  }
+});
+
+test('editor tab helpers round trip ids', () => {
+  assert.equal(toEditorTabId('file-1'), 'editor:file-1');
+  assert.equal(fromEditorTabId('editor:file-1'), 'file-1');
+});
+
+test('editor tab helper detects editor top-tab ids', () => {
+  assert.equal(isEditorTabId('editor:file-1'), true);
+  assert.equal(isEditorTabId('session-1'), false);
+});
+
+test('active tab changes do not start terminal layout suppression', async () => {
+  const previousWindow = (globalThis as { window?: unknown }).window;
+  (globalThis as { window?: unknown }).window ??= globalThis;
+
+  while (terminalLayoutSuppressStore.getActive()) {
+    terminalLayoutSuppressStore.end();
+  }
+  await new Promise((resolve) => setTimeout(resolve, 0));
+
+  let activeNotifyCount = 0;
+  let suppressNotifyCount = 0;
+  const unsubscribeActiveTab = activeTabStore.subscribe(() => {
+    activeNotifyCount += 1;
+  });
+  const unsubscribeSuppress = terminalLayoutSuppressStore.subscribe(() => {
+    suppressNotifyCount += 1;
+  });
+
+  try {
+    activeTabStore.setActiveTabId(`no-suppress-test-${Date.now()}`);
+    await new Promise((resolve) => setTimeout(resolve, 20));
+
+    assert.equal(activeNotifyCount, 1);
+    assert.equal(suppressNotifyCount, 0);
+    assert.equal(terminalLayoutSuppressStore.getActive(), false);
+  } finally {
+    unsubscribeActiveTab();
+    unsubscribeSuppress();
+    if (previousWindow === undefined) {
+      delete (globalThis as { window?: unknown }).window;
+    } else {
+      (globalThis as { window?: unknown }).window = previousWindow;
+    }
+    while (terminalLayoutSuppressStore.getActive()) {
+      terminalLayoutSuppressStore.end();
+    }
+  }
+});