explodorama / files / test / turn.test.ts
turn.test.ts
| 1 | import { LEVEL_WIDTH } from '../src/sim/levelgen' |
| 2 | import { describe, expect, it } from 'vitest' |
| 3 | import { ACTIONS, isAvailable } from '../src/sim/actions' |
| 4 | import { step } from '../src/sim/turn' |
| 5 | import { board, v } from './helpers' |
| 6 | |
| 7 | describe('move', () => { |
| 8 | it('goes to a free neighbour only', () => { |
| 9 | const s = board(` |
| 10 | ##### |
| 11 | #P.+# |
| 12 | #.#.# |
| 13 | #####`) |
| 14 | expect(ACTIONS.move.validTargets(s)).toEqual([v(1, 2), v(2, 1)]) |
| 15 | expect(() => step(s, { id: 'move', target: v(1, 0) })).toThrow() |
| 16 | expect(step(s, { id: 'move', target: v(2, 1) }).state.player).toEqual(v(2, 1)) |
| 17 | }) |
| 18 | |
| 19 | it('is blocked by a bomb', () => { |
| 20 | const s = board(` |
| 21 | ##### |
| 22 | #P3.# |
| 23 | #####`) |
| 24 | expect(ACTIONS.move.validTargets(s)).toEqual([]) |
| 25 | expect(isAvailable(s, 'move')).toBe(false) |
| 26 | }) |
| 27 | |
| 28 | it('does not change the state it was given', () => { |
| 29 | const s = board(` |
| 30 | #### |
| 31 | #P.# |
| 32 | ####`) |
| 33 | const before = structuredClone(s) |
| 34 | step(s, { id: 'move', target: v(2, 1) }) |
| 35 | expect(s).toEqual(before) |
| 36 | }) |
| 37 | }) |
| 38 | |
| 39 | describe('bomb timers', () => { |
| 40 | it('a placed bomb starts at the fuse and is not ticked on the turn it is placed', () => { |
| 41 | const s = board(` |
| 42 | ##### |
| 43 | #P..# |
| 44 | #####`) |
| 45 | const { state, events } = step(s, { id: 'bomb', target: v(2, 1) }) |
| 46 | expect(state.bombs).toEqual([{ pos: v(2, 1), timer: 3, fire: 1, placedTurn: 5 }]) |
| 47 | expect(events.map((e) => e.type)).toEqual(['bombPlaced']) |
| 48 | }) |
| 49 | |
| 50 | it('the number is how many more actions until it explodes', () => { |
| 51 | let s = board(` |
| 52 | ####### |
| 53 | #P....# |
| 54 | #######`, { fire: 1 }) |
| 55 | s = step(s, { id: 'bomb', target: v(2, 1) }).state // shows 3 |
| 56 | s = step(s, { id: 'wait' }).state |
| 57 | expect(s.bombs[0]!.timer).toBe(2) |
| 58 | s = step(s, { id: 'wait' }).state |
| 59 | expect(s.bombs[0]!.timer).toBe(1) |
| 60 | const last = step(s, { id: 'wait' }) |
| 61 | expect(last.state.bombs).toEqual([]) |
| 62 | expect(last.events.some((e) => e.type === 'exploded')).toBe(true) |
| 63 | }) |
| 64 | |
| 65 | it('respects bomb capacity', () => { |
| 66 | const s = board(` |
| 67 | ##### |
| 68 | #P.3# |
| 69 | #####`) |
| 70 | expect(ACTIONS.bomb.validTargets(s)).toEqual([]) |
| 71 | expect(ACTIONS.bomb.validTargets({ ...s, stats: { ...s.stats, capacity: 2 } })).toEqual([v(2, 1)]) |
| 72 | }) |
| 73 | }) |
| 74 | |
| 75 | describe('death', () => { |
| 76 | it('flame on the player costs a life and waits for continue', () => { |
| 77 | const s = board(` |
| 78 | ##### |
| 79 | #P1.# |
| 80 | #####`) |
| 81 | const { state, events } = step(s, { id: 'wait' }) |
| 82 | expect(state.status).toBe('dead') |
| 83 | expect(state.lives).toBe(2) |
| 84 | expect(events.at(-1)).toEqual({ type: 'playerDied', pos: v(1, 1), livesLeft: 2 }) |
| 85 | expect(() => step(state, { id: 'wait' })).toThrow() |
| 86 | }) |
| 87 | |
| 88 | it('continue restarts the level from its seed, keeping lives and stats', () => { |
| 89 | const s = board(` |
| 90 | ##### |
| 91 | #P1.# |
| 92 | #####`, { fire: 2 }) |
| 93 | const dead = step(s, { id: 'wait' }).state |
| 94 | const again = step(dead, { id: 'continue' }).state |
| 95 | expect(again.status).toBe('playing') |
| 96 | expect(again.lives).toBe(2) |
| 97 | expect(again.stats.fire).toBe(2) |
| 98 | expect(again.turn).toBe(0) |
| 99 | expect(again.width).toBe(LEVEL_WIDTH) |
| 100 | }) |
| 101 | |
| 102 | it('the last life ends the run', () => { |
| 103 | const s = { ...board(` |
| 104 | ##### |
| 105 | #P1.# |
| 106 | #####`), lives: 1 } |
| 107 | const { state } = step(s, { id: 'wait' }) |
| 108 | expect(state.status).toBe('gameOver') |
| 109 | expect(() => step(state, { id: 'continue' })).toThrow() |
| 110 | }) |
| 111 | }) |
| 112 | |
| 113 | describe('how the player died (for the banner, user request 2026-10-24)', () => { |
| 114 | it('walked into an enemy, or an enemy walked in', () => { |
| 115 | const into = board(` |
| 116 | ##### |
| 117 | #PB.# |
| 118 | #####`) |
| 119 | expect(step(into, { id: 'move', target: v(2, 1) }).state.death).toEqual({ cause: 'walkedIntoEnemy', enemy: 'blob', turn: into.turn + 1 }) |
| 120 | const caught = board(` |
| 121 | ##### |
| 122 | #P.S# |
| 123 | #####`) |
| 124 | caught.enemies[0]!.plan = [v(2, 1), v(1, 1)] |
| 125 | const after = step(step(caught, { id: 'wait' }).state, { id: 'wait' }).state |
| 126 | expect(after.death).toMatchObject({ cause: 'caughtByEnemy', enemy: 'seeker' }) |
| 127 | }) |
| 128 | |
| 129 | it('caught in a bomb\'s blast, or only by one a chain set off', () => { |
| 130 | const blast = board(` |
| 131 | ##### |
| 132 | #P1.# |
| 133 | #####`) |
| 134 | expect(step(blast, { id: 'wait' }).state.death?.cause).toBe('blast') |
| 135 | // The 1 goes off and sets off the 5, whose blast reaches the player; the 1's doesn't. |
| 136 | const chain = board(` |
| 137 | ######## |
| 138 | #P.5.1.# |
| 139 | ########`, { fire: 2 }) |
| 140 | chain.bombs.find((b) => b.timer === 5)!.fire = 2 |
| 141 | chain.bombs.find((b) => b.timer === 1)!.fire = 2 |
| 142 | const r = step(chain, { id: 'wait' }).state |
| 143 | expect(r.status).toBe('dead') |
| 144 | expect(r.death?.cause).toBe('chain') |
| 145 | }) |
| 146 | |
| 147 | it('nothing while alive, and nothing when Immortal', () => { |
| 148 | const s = board(` |
| 149 | ##### |
| 150 | #P1.# |
| 151 | #####`) |
| 152 | expect(board(` |
| 153 | ### |
| 154 | #P# |
| 155 | ###`).death).toBeNull() |
| 156 | s.options = { ...s.options, immortal: true } |
| 157 | expect(step(s, { id: 'wait' }).state.death).toBeNull() |
| 158 | }) |
| 159 | }) |