66 lines
2.1 KiB
TypeScript
66 lines
2.1 KiB
TypeScript
|
import { describe, it, expect } from 'vitest'
|
||
|
|
import { parse } from './parser'
|
||
|
|
import type { ParserContext } from './parser'
|
||
|
|
import { dispatch, initialStateFor } from './dispatcher'
|
||
|
|
import { world } from '../world'
|
||
|
|
import type { GameState } from './types'
|
||
|
|
|
||
|
|
function ctxFor(state: GameState): ParserContext {
|
||
|
|
const room = world.rooms[state.location]
|
||
|
|
const visibleNouns: { id: string; aliases: string[] }[] = []
|
||
|
|
for (const itemId of room?.items ?? []) {
|
||
|
|
const item = world.items[itemId]
|
||
|
|
if (item) visibleNouns.push({ id: itemId, aliases: item.names })
|
||
|
|
}
|
||
|
|
for (const inst of state.inventory) {
|
||
|
|
const item = world.items[inst.id]
|
||
|
|
if (item) visibleNouns.push({ id: inst.id, aliases: item.names })
|
||
|
|
}
|
||
|
|
if (room?.encounter) {
|
||
|
|
visibleNouns.push({ id: room.encounter, aliases: [room.encounter] })
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
knownItems: Object.keys(world.items),
|
||
|
|
knownEncounters: Object.keys(world.encounters),
|
||
|
|
visibleNouns,
|
||
|
|
inventoryItemIds: state.inventory.map((i) => i.id),
|
||
|
|
lastNoun: state.lastNoun,
|
||
|
|
awaitingDisambiguation: state.pendingDisambiguation,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function play(commands: string[]): GameState {
|
||
|
|
let state = initialStateFor(world)
|
||
|
|
for (const cmd of commands) {
|
||
|
|
const parsed = parse(cmd, ctxFor(state))
|
||
|
|
state = dispatch(state, parsed, world).state
|
||
|
|
}
|
||
|
|
return state
|
||
|
|
}
|
||
|
|
|
||
|
|
describe('playthrough — sample world', () => {
|
||
|
|
it('reaches the rat-gone flag via the canonical command sequence', () => {
|
||
|
|
const state = play([
|
||
|
|
'take letter',
|
||
|
|
'read letter', // verb is recognized but encounter takes priority elsewhere; here it's a no-op
|
||
|
|
'n', // foyer → hallway
|
||
|
|
'take lamp',
|
||
|
|
'e', // hallway → cellar-stair (triggers rat encounter)
|
||
|
|
'attack rat',
|
||
|
|
])
|
||
|
|
expect(state.flags['ratGone']).toBe(true)
|
||
|
|
expect(state.location).toBe('cellar-stair')
|
||
|
|
expect(state.encounterState['rat']).toBeUndefined()
|
||
|
|
})
|
||
|
|
|
||
|
|
it('handles invalid moves gracefully', () => {
|
||
|
|
const state = play([
|
||
|
|
'go up', // foyer has no up exit
|
||
|
|
'n',
|
||
|
|
's',
|
||
|
|
'flibbertigibbet', // unknown verb
|
||
|
|
])
|
||
|
|
expect(state.location).toBe('foyer')
|
||
|
|
})
|
||
|
|
})
|