explodorama / files / test / picks.test.ts
picks.test.ts
| 1 | import { describe, expect, it } from 'vitest' |
| 2 | import { isDeadly } from '../src/sim/danger' |
| 3 | import { approachTile, canPick, pickChoices, pickTargets, resolvePick, tapChoices, tapMeaning } from '../src/sim/picks' |
| 4 | import { board, v } from './helpers' |
| 5 | |
| 6 | describe('Move stands for every way of moving', () => { |
| 7 | it('with nothing gained, only the 4 tiles next to you', () => { |
| 8 | const s = board(` |
| 9 | ##### |
| 10 | #...# |
| 11 | #.P.# |
| 12 | #...# |
| 13 | #####`) |
| 14 | expect(pickTargets(s, 'move')).toHaveLength(4) |
| 15 | expect(resolvePick(s, 'move', v(3, 2))).toBe('move') |
| 16 | expect(resolvePick(s, 'move', v(3, 1))).toBeNull() |
| 17 | }) |
| 18 | |
| 19 | it('with Run, 2 tiles straight is a run', () => { |
| 20 | const s = board(` |
| 21 | ###### |
| 22 | #P...# |
| 23 | ######`) |
| 24 | s.powers.run = true |
| 25 | expect(resolvePick(s, 'move', v(2, 1))).toBe('move') |
| 26 | expect(resolvePick(s, 'move', v(3, 1))).toBe('run') |
| 27 | }) |
| 28 | |
| 29 | it('with Kick, a bomb next to you is kicked', () => { |
| 30 | const s = board(` |
| 31 | ###### |
| 32 | #P3..# |
| 33 | ######`) |
| 34 | expect(resolvePick(s, 'move', v(2, 1))).toBeNull() |
| 35 | s.powers.kick = true |
| 36 | expect(resolvePick(s, 'move', v(2, 1))).toBe('kick') |
| 37 | // With Bomb Pass too, walking into it still kicks it. |
| 38 | s.powers.bombPass = true |
| 39 | expect(resolvePick(s, 'move', v(2, 1))).toBe('kick') |
| 40 | }) |
| 41 | |
| 42 | it('with Bomb Pass, a bomb that cannot slide is walked over', () => { |
| 43 | const s = board(` |
| 44 | ##### |
| 45 | #P3+# |
| 46 | #####`) |
| 47 | s.powers.kick = true |
| 48 | s.powers.bombPass = true |
| 49 | expect(resolvePick(s, 'move', v(2, 1))).toBe('move') |
| 50 | }) |
| 51 | |
| 52 | it('Teleport is the charge button’s: up to 3 steps away over anything (a charge since 2026-10-25)', () => { |
| 53 | const s = board(` |
| 54 | ####### |
| 55 | #P#+..# |
| 56 | #######`) |
| 57 | s.charge = { kind: 'teleport', left: 3 } |
| 58 | expect(resolvePick(s, 'move', v(4, 1))).toBeNull() |
| 59 | expect(resolvePick(s, 'charged', v(4, 1))).toBe('teleport') |
| 60 | expect(resolvePick(s, 'charged', v(5, 1))).toBeNull() |
| 61 | }) |
| 62 | |
| 63 | it('a diagonal neighbour is a diagonal step, even with Teleport (a tile next to you is a step)', () => { |
| 64 | const s = board(` |
| 65 | ##### |
| 66 | #P#.# |
| 67 | #...# |
| 68 | #####`) |
| 69 | s.powers.diagonal = true |
| 70 | expect(resolvePick(s, 'move', v(2, 2))).toBe('diagonal') |
| 71 | s.charge = { kind: 'teleport', left: 3 } |
| 72 | expect(resolvePick(s, 'move', v(2, 2))).toBe('diagonal') |
| 73 | }) |
| 74 | }) |
| 75 | |
| 76 | describe('Bomb stands for placing and throwing', () => { |
| 77 | it('next to you is a plain bomb; with Throw, 2 tiles away over a crate is a throw', () => { |
| 78 | const s = board(` |
| 79 | ###### |
| 80 | #P+..# |
| 81 | ######`) |
| 82 | expect(pickTargets(s, 'bomb')).toEqual([]) |
| 83 | expect(canPick(s, 'bomb')).toBe(false) |
| 84 | s.powers.throw = true |
| 85 | expect(canPick(s, 'bomb')).toBe(true) |
| 86 | expect(resolvePick(s, 'bomb', v(3, 1))).toBe('throw') |
| 87 | }) |
| 88 | |
| 89 | it('other actions stand for just themselves', () => { |
| 90 | const s = board(` |
| 91 | ##### |
| 92 | #P..# |
| 93 | #####`) |
| 94 | s.charge = { kind: 'teleport', left: 3 } |
| 95 | expect(resolvePick(s, 'teleport', v(3, 1))).toBe('teleport') |
| 96 | expect(resolvePick(s, 'teleport', v(1, 1))).toBeNull() |
| 97 | }) |
| 98 | }) |
| 99 | |
| 100 | describe('a tap never costs a life (user request, 2026-10-26)', () => { |
| 101 | it('a tap on yourself does nothing (it was Wait)', () => { |
| 102 | const s = board(` |
| 103 | ##### |
| 104 | #.P.# |
| 105 | #####`) |
| 106 | expect(tapMeaning(s, v(2, 1))).toBe('blocked') |
| 107 | }) |
| 108 | |
| 109 | it('a step in front of an enemy is deadly: a tap refuses it, Move then the tile still takes it', () => { |
| 110 | const s = board(` |
| 111 | ###### |
| 112 | #P.B.# |
| 113 | ######`) |
| 114 | s.enemies[0]!.plan = [v(2, 1)] |
| 115 | expect(tapMeaning(s, v(2, 1))).toBe('deadly') |
| 116 | expect(resolvePick(s, 'move', v(2, 1))).toBe('move') |
| 117 | expect(isDeadly(s, { id: 'move', target: v(2, 1) })).toBe(true) |
| 118 | expect(isDeadly(s, { id: 'wait' })).toBe(false) |
| 119 | }) |
| 120 | |
| 121 | it('Wait is deadly when an enemy steps onto you, unless a Shield or Immortal takes the hit', () => { |
| 122 | const s = board(` |
| 123 | ##### |
| 124 | #PB.# |
| 125 | #####`) |
| 126 | s.enemies[0]!.plan = [v(1, 1)] |
| 127 | expect(isDeadly(s, { id: 'wait' })).toBe(true) |
| 128 | expect(isDeadly({ ...s, charge: { kind: 'shield', left: 1 } }, { id: 'wait' })).toBe(false) |
| 129 | expect(isDeadly({ ...s, options: { ...s.options, immortal: true } }, { id: 'wait' })).toBe(false) |
| 130 | }) |
| 131 | }) |
| 132 | |
| 133 | describe('a tap two actions could answer asks which (user request, 2026-10-31)', () => { |
| 134 | const bombNext = () => |
| 135 | board(` |
| 136 | ###### |
| 137 | #P3..# |
| 138 | ######`) |
| 139 | |
| 140 | it('a bomb next to you, with Kick: kicked at once', () => { |
| 141 | const s = bombNext() |
| 142 | s.powers.kick = true |
| 143 | expect(tapMeaning(s, v(2, 1))).toBe('kick') |
| 144 | }) |
| 145 | |
| 146 | it('a bomb next to you, with Bomb Pass alone: walked onto', () => { |
| 147 | const s = bombNext() |
| 148 | s.powers.bombPass = true |
| 149 | expect(tapMeaning(s, v(2, 1))).toBe('move') |
| 150 | }) |
| 151 | |
| 152 | it('with Kick and Bomb Pass: a choice of both', () => { |
| 153 | const s = bombNext() |
| 154 | s.powers.kick = true |
| 155 | s.powers.bombPass = true |
| 156 | expect(tapMeaning(s, v(2, 1))).toBe('choose') |
| 157 | expect(tapChoices(s, v(2, 1))).toEqual(['kick', 'move']) |
| 158 | }) |
| 159 | |
| 160 | it('Move picked, then the bomb: the same choice, dangerous or not', () => { |
| 161 | const s = bombNext() |
| 162 | s.powers.kick = true |
| 163 | s.powers.bombPass = true |
| 164 | expect(pickChoices(s, 'move', v(2, 1))).toEqual(['kick', 'move']) |
| 165 | s.powers.bombPass = false |
| 166 | expect(pickChoices(s, 'move', v(2, 1))).toEqual([]) |
| 167 | }) |
| 168 | |
| 169 | it('a bomb about to go off: walking onto it is deadly, so a tap just kicks; Move then the tile still offers both', () => { |
| 170 | const s = board(` |
| 171 | ###### |
| 172 | #P1..# |
| 173 | ######`) |
| 174 | s.powers.kick = true |
| 175 | s.powers.bombPass = true |
| 176 | expect(isDeadly(s, { id: 'move', target: v(2, 1) })).toBe(true) |
| 177 | expect(isDeadly(s, { id: 'kick', target: v(2, 1) })).toBe(false) |
| 178 | expect(tapChoices(s, v(2, 1))).toEqual(['kick']) |
| 179 | expect(tapMeaning(s, v(2, 1))).toBe('kick') |
| 180 | expect(pickChoices(s, 'move', v(2, 1))).toEqual(['kick', 'move']) |
| 181 | }) |
| 182 | |
| 183 | it('a bomb with neither is not moved into', () => { |
| 184 | expect(tapMeaning(bombNext(), v(2, 1))).toBe('blocked') |
| 185 | }) |
| 186 | }) |
| 187 | |
| 188 | describe('a tap on a crate walks to the tile beside it (user request, 2026-10-31)', () => { |
| 189 | const lane = () => |
| 190 | board(` |
| 191 | ####### |
| 192 | #P.+..# |
| 193 | #######`) |
| 194 | |
| 195 | it('with Run, a crate 2 tiles away is approached, not ignored', () => { |
| 196 | const s = lane() |
| 197 | s.powers.run = true |
| 198 | expect(tapMeaning(s, v(3, 1))).toBe('approach') |
| 199 | expect(approachTile(s, v(3, 1))).toEqual(v(2, 1)) |
| 200 | }) |
| 201 | |
| 202 | it('takes the side with the shorter way', () => { |
| 203 | const s = board(` |
| 204 | ####### |
| 205 | #P....# |
| 206 | #.#+#.# |
| 207 | #.....# |
| 208 | #######`) |
| 209 | expect(approachTile(s, v(3, 2))).toEqual(v(3, 1)) |
| 210 | // A crate diagonal from the player: the two tiles beside it that touch it. |
| 211 | const diag = board(` |
| 212 | ##### |
| 213 | #P..# |
| 214 | #.+.# |
| 215 | #####`) |
| 216 | expect([v(2, 1), v(1, 2)]).toContainEqual(approachTile(diag, v(2, 2))) |
| 217 | }) |
| 218 | |
| 219 | it('beside it already, or with no way there: nothing', () => { |
| 220 | const s = lane() |
| 221 | s.player = v(2, 1) |
| 222 | expect(tapMeaning(s, v(3, 1))).toBeNull() |
| 223 | const sealed = board(` |
| 224 | ####### |
| 225 | #P#+..# |
| 226 | #######`) |
| 227 | expect(tapMeaning(sealed, v(3, 1))).toBeNull() |
| 228 | }) |
| 229 | }) |