Files
editor/packages/mcp/src/tools/place-item.test.ts
T

100 lines
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TypeScript

import { beforeEach, describe, expect, test } from 'bun:test'
import { Client } from '@modelcontextprotocol/sdk/client/index.js'
import { InMemoryTransport } from '@modelcontextprotocol/sdk/inMemory.js'
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'
import { SlabNode, WallNode } from '@pascal-app/core/schema'
import { SceneBridge } from '../bridge/scene-bridge'
import { registerPlaceItem } from './place-item'
describe('place_item', () => {
let client: Client
let bridge: SceneBridge
beforeEach(async () => {
bridge = new SceneBridge()
bridge.setScene({}, [])
bridge.loadDefault()
const server = new McpServer({ name: 'test', version: '0.0.0' })
registerPlaceItem(server, bridge)
const [srvT, cliT] = InMemoryTransport.createLinkedPair()
client = new Client({ name: 'test-client', version: '0.0.0' })
await Promise.all([server.connect(srvT), client.connect(cliT)])
})
test('places an item on a wall and derives wallT', async () => {
const level = Object.values(bridge.getNodes()).find((n) => n.type === 'level')!
const wall = WallNode.parse({ start: [0, 0], end: [10, 0] })
bridge.createNode(wall, level.id)
const result = await client.callTool({
name: 'place_item',
arguments: {
catalogItemId: 'shelf',
targetNodeId: wall.id,
position: [5, 0, 0],
},
})
expect(result.isError).toBeFalsy()
const parsed = JSON.parse((result.content as Array<{ type: string; text: string }>)[0]!.text)
expect(parsed.itemId).toMatch(/^item_/)
expect(parsed.status).toBe('ok')
const item = bridge.getNode(parsed.itemId)
expect(item).not.toBeNull()
// Midpoint of a [0..10] wall at x=5 → wallT = 0.5.
expect((item as { wallT?: number }).wallT).toBeCloseTo(0.5, 3)
expect((item as { position: [number, number, number] }).position[0]).toBeCloseTo(5, 3)
})
test('places a floor item through a slab target but parents it to the level for rendering', async () => {
const level = Object.values(bridge.getNodes()).find((n) => n.type === 'level')!
const slab = SlabNode.parse({
polygon: [
[0, 0],
[4, 0],
[4, 4],
[0, 4],
],
})
bridge.createNode(slab, level.id)
const result = await client.callTool({
name: 'place_item',
arguments: {
catalogItemId: 'sofa',
targetNodeId: slab.id,
position: [2, 0, 2],
},
})
expect(result.isError).toBeFalsy()
const parsed = JSON.parse((result.content as Array<{ type: string; text: string }>)[0]!.text)
const item = bridge.getNode(parsed.itemId)
expect(item?.parentId).toBe(level.id)
expect(bridge.validateScene().valid).toBe(true)
})
test('rejects placement on an unsupported node', async () => {
const building = Object.values(bridge.getNodes()).find((n) => n.type === 'building')!
const result = await client.callTool({
name: 'place_item',
arguments: {
catalogItemId: 'foo',
targetNodeId: building.id,
position: [0, 0, 0],
},
})
expect(result.isError).toBe(true)
})
test('rejects unknown target', async () => {
const result = await client.callTool({
name: 'place_item',
arguments: {
catalogItemId: 'foo',
targetNodeId: 'wall_nope',
position: [0, 0, 0],
},
})
expect(result.isError).toBe(true)
})
})