[Init] Initial commit - NetMesh terminal manager

domain/focusSidebarHostDrop.test.ts

@@ -0,0 +1,97 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import {
+  appendHostFromWorkspaceDrop,
+  FOCUS_SIDEBAR_HOST_DRAG_TYPE,
+  FOCUS_SIDEBAR_SESSION_DRAG_TYPE,
+  readHostIdFromDataTransfer,
+  resolveFocusSidebarDragKind,
+} from './focusSidebarHostDrop.ts';
+
+test('resolveFocusSidebarDragKind prefers in-flight session reorder', () => {
+  assert.equal(
+    resolveFocusSidebarDragKind({
+      types: [FOCUS_SIDEBAR_HOST_DRAG_TYPE],
+      activeSessionDragId: 'session-1',
+    }),
+    'session-reorder',
+  );
+});
+
+test('resolveFocusSidebarDragKind detects session mime even without local state', () => {
+  assert.equal(
+    resolveFocusSidebarDragKind({
+      types: [FOCUS_SIDEBAR_SESSION_DRAG_TYPE],
+      activeSessionDragId: null,
+    }),
+    'session-reorder',
+  );
+});
+
+test('resolveFocusSidebarDragKind accepts vault or host-tree host drags', () => {
+  assert.equal(
+    resolveFocusSidebarDragKind({
+      types: [FOCUS_SIDEBAR_HOST_DRAG_TYPE],
+      activeSessionDragId: null,
+    }),
+    'host-append',
+  );
+});
+
+test('resolveFocusSidebarDragKind ignores unrelated drag payloads', () => {
+  assert.equal(
+    resolveFocusSidebarDragKind({
+      types: ['text/plain', 'tab-reorder-id'],
+      activeSessionDragId: null,
+    }),
+    null,
+  );
+});
+
+test('readHostIdFromDataTransfer returns trimmed host id', () => {
+  assert.equal(
+    readHostIdFromDataTransfer((type) => (type === FOCUS_SIDEBAR_HOST_DRAG_TYPE ? '  host-42  ' : '')),
+    'host-42',
+  );
+});
+
+test('readHostIdFromDataTransfer returns null when host id is missing', () => {
+  assert.equal(readHostIdFromDataTransfer(() => ''), null);
+  assert.equal(readHostIdFromDataTransfer(() => '   '), null);
+});
+
+test('appendHostFromWorkspaceDrop appends the dropped host to the target workspace once', () => {
+  const calls: Array<[string, string]> = [];
+
+  assert.equal(appendHostFromWorkspaceDrop({
+    types: [FOCUS_SIDEBAR_HOST_DRAG_TYPE],
+    getData: (type) => (type === FOCUS_SIDEBAR_HOST_DRAG_TYPE ? 'host-42' : ''),
+    workspaceId: 'workspace-7',
+    onAppendHostToWorkspace: (workspaceId, hostId) => calls.push([workspaceId, hostId]),
+  }), true);
+
+  assert.deepEqual(calls, [['workspace-7', 'host-42']]);
+});
+
+test('appendHostFromWorkspaceDrop leaves session and invalid drags alone', () => {
+  const calls: Array<[string, string]> = [];
+  const onAppendHostToWorkspace = (workspaceId: string, hostId: string) => {
+    calls.push([workspaceId, hostId]);
+  };
+
+  assert.equal(appendHostFromWorkspaceDrop({
+    types: [FOCUS_SIDEBAR_SESSION_DRAG_TYPE, FOCUS_SIDEBAR_HOST_DRAG_TYPE],
+    getData: (type) => (type === FOCUS_SIDEBAR_HOST_DRAG_TYPE ? 'host-42' : 'session-1'),
+    workspaceId: 'workspace-7',
+    onAppendHostToWorkspace,
+  }), false);
+  assert.equal(appendHostFromWorkspaceDrop({
+    types: [FOCUS_SIDEBAR_HOST_DRAG_TYPE],
+    getData: () => '   ',
+    workspaceId: 'workspace-7',
+    onAppendHostToWorkspace,
+  }), false);
+
+  assert.deepEqual(calls, []);
+});