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deepseek-harness/packages/client/ui-conversation/tests/toolview-registry.spec.ts
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import { describe, expect, it, vi } from 'vitest'
import type { SessionId } from '@deepseek-ai/dsh-client-runtime/client'
import { ToolViewRegistry } from '@deepseek-ai/dsh-client-ui-conversation/client'
import type { ToolViewProps } from '@deepseek-ai/dsh-client-ui-conversation/client'
const sid = (s: string) => s as SessionId
const comp = (name: string) => {
const fc = () => null
fc.displayName = name
return fc as unknown as import('react').FC<ToolViewProps>
}
describe('ToolViewRegistry', () => {
it('resolves a global registration for any session', () => {
const reg = new ToolViewRegistry()
const bash = comp('Bash')
reg.register('bash', bash)
expect(reg.resolve('bash', sid('a'))?.component).toBe(bash)
expect(reg.resolve('bash', sid('b'))?.component).toBe(bash)
expect(reg.resolve('read', sid('a'))).toBeUndefined()
})
it('prefers a matching scope filter over the global registration', () => {
const reg = new ToolViewRegistry()
const global = comp('Global')
const swarm = comp('Swarm')
reg.register('bash', global)
reg.register('bash', swarm, { scope: id => id === sid('swarm-1') })
expect(reg.resolve('bash', sid('swarm-1'))?.component).toBe(swarm)
expect(reg.resolve('bash', sid('plain'))?.component).toBe(global)
})
it('later registration wins within the same tier, scoped and global', () => {
const reg = new ToolViewRegistry()
const s1 = comp('S1')
const s2 = comp('S2')
const g1 = comp('G1')
const g2 = comp('G2')
reg.register('bash', g1)
reg.register('bash', s1, { scope: () => true })
reg.register('bash', s2, { scope: () => true })
reg.register('bash', g2)
expect(reg.resolve('bash', sid('x'))?.component).toBe(s2)
const scopeless = new ToolViewRegistry()
scopeless.register('bash', g1)
scopeless.register('bash', g2)
expect(scopeless.resolve('bash', sid('x'))?.component).toBe(g2)
})
it('a non-matching scope filter falls through to global, then undefined', () => {
const reg = new ToolViewRegistry()
const scoped = comp('Scoped')
reg.register('bash', scoped, { scope: () => false })
expect(reg.resolve('bash', sid('x'))).toBeUndefined()
const global = comp('Global')
reg.register('bash', global)
expect(reg.resolve('bash', sid('x'))?.component).toBe(global)
})
it('disposer removes exactly its registration and is idempotent', () => {
const reg = new ToolViewRegistry()
const g = comp('G')
const s = comp('S')
const off = reg.register('bash', s, { scope: () => true })
reg.register('bash', g)
off()
off()
expect(reg.resolve('bash', sid('x'))?.component).toBe(g)
})
it('unregistering the last entry resolves undefined (GenericToolCard fallback)', () => {
const reg = new ToolViewRegistry()
const off = reg.register('bash', comp('B'))
off()
expect(reg.resolve('bash', sid('x'))).toBeUndefined()
})
it('carries the inject factory through resolve', () => {
const reg = new ToolViewRegistry()
const inject = () => ({})
reg.register('bash', comp('B'), { inject })
expect(reg.resolve('bash', sid('x'))?.inject).toBe(inject)
reg.register('read', comp('R'))
expect('inject' in reg.resolve('read', sid('x'))!).toBe(false)
})
it('notifies subscribers and bumps the version on register and dispose', () => {
const reg = new ToolViewRegistry()
const fn = vi.fn()
const unsub = reg.subscribe(fn)
const v0 = reg.getVersion()
const off = reg.register('bash', comp('B'))
expect(fn).toHaveBeenCalledTimes(1)
expect(reg.getVersion()).toBeGreaterThan(v0)
off()
expect(fn).toHaveBeenCalledTimes(2)
unsub()
reg.register('read', comp('R'))
expect(fn).toHaveBeenCalledTimes(2)
})
})