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6c3d778 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 | from amongus_env.engine import AmongUsEngine
from amongus_env.models import (
CallMeeting,
ClaimKind,
CompleteTask,
Kill,
Move,
PassMeeting,
Phase,
PlayerRole,
ReportBody,
Speak,
Vote,
Winner,
)
def test_reset_is_deterministic_and_spawns_in_cafeteria() -> None:
first = AmongUsEngine(seed=7, impostor_ids=["blue"]).reset()
second = AmongUsEngine(seed=7, impostor_ids=["blue"]).reset()
assert first == second
assert first.role is PlayerRole.CREWMATE
assert first.location == "Cafeteria"
assert first.phase is Phase.TASKS
assert "Match reset" in first.message_log[-1]
def test_invalid_movement_is_penalized_without_changing_location() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
observation = engine.step(Move(room="Navigation"))
assert observation.location == "Cafeteria"
assert observation.reward == -0.1
assert "Invalid move" in observation.message_log[-1]
def test_location_history_tracks_reset_and_valid_moves_only() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.step(Move(room="Electrical"))
engine.step(Move(room="Navigation"))
assert engine.location_history["red"] == ["Cafeteria", "Electrical"]
assert engine.location_history["blue"] == ["Cafeteria"]
def test_visibility_only_includes_living_players_in_same_room() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.step(Move(room="Electrical"))
engine.players["blue"].location = "Electrical"
engine.players["green"].location = "MedBay"
engine.players["yellow"].location = "Electrical"
engine.players["yellow"].alive = False
observation = engine.observe()
assert observation.visible_players == ["blue"]
def test_crewmate_completes_current_room_task_for_dense_reward() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.step(Move(room="Electrical"))
observation = engine.step(CompleteTask())
assert observation.reward == 0.2
assert observation.task_list[0].completed is True
assert "Completed task" in observation.message_log[-1]
def test_impostor_kill_marks_body_and_rewards_controlled_impostor() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["red"])
engine.reset()
engine.players["blue"].location = "Cafeteria"
observation = engine.step(Kill(target_id="blue"))
assert observation.reward == 0.5
assert engine.players["blue"].alive is False
assert "blue" in engine.dead_bodies
assert "Killed blue" in observation.message_log[-1]
def test_report_body_enters_meeting_phase() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["red"])
engine.reset()
engine.step(Kill(target_id="blue"))
observation = engine.step(ReportBody())
assert observation.phase is Phase.MEETING
assert observation.voting_open is False
assert observation.meeting_turns_remaining == 1
assert "Reported body" in observation.message_log[-1]
def test_vote_before_discussion_turn_is_illegal() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.step(CallMeeting())
observation = engine.step(Vote(target_id="blue"))
assert observation.reward == -0.1
assert observation.phase is Phase.MEETING
assert observation.voting_open is False
assert observation.meeting_turns_remaining == 1
assert "Cannot vote before discussion" in observation.message_log[-1]
def test_pass_opens_voting_without_claim_reward() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.step(CallMeeting())
observation = engine.step(PassMeeting())
assert observation.reward == 0.0
assert observation.phase is Phase.MEETING
assert observation.voting_open is True
assert observation.meeting_turns_remaining == 0
assert observation.discussion_log[-1] == "red: pass"
def test_meeting_speech_parses_self_location_claim() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.step(Move(room="Electrical"))
engine.step(CallMeeting())
observation = engine.step(Speak(message="I was in Electrical"))
assert observation.discussion_log[-1] == "red: I was in Electrical"
assert observation.claims[-1].kind is ClaimKind.SELF_LOCATION
assert observation.claims[-1].speaker_id == "red"
assert observation.claims[-1].room == "Electrical"
assert observation.claims[-1].truth_value is True
assert observation.voting_open is True
assert observation.meeting_turns_remaining == 0
def test_meeting_speech_parses_saw_player_claim() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.players["blue"].location = "MedBay"
engine.location_history["blue"].append("MedBay")
engine.step(CallMeeting())
observation = engine.step(Speak(message="I saw blue in MedBay"))
assert observation.claims[-1].kind is ClaimKind.SAW_PLAYER
assert observation.claims[-1].target_id == "blue"
assert observation.claims[-1].room == "MedBay"
assert observation.claims[-1].truth_value is True
def test_speaking_outside_meeting_is_illegal() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
observation = engine.step(Speak(message="I was in Cafeteria"))
assert observation.reward == -0.1
assert "Cannot speak outside meeting" in observation.message_log[-1]
def test_pass_outside_meeting_is_illegal() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
observation = engine.step(PassMeeting())
assert observation.reward == -0.1
assert observation.phase is Phase.TASKS
assert observation.voting_open is False
assert observation.meeting_turns_remaining == 0
assert "Cannot pass outside meeting" in observation.message_log[-1]
def test_speak_after_voting_opens_is_illegal() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.step(CallMeeting())
engine.step(PassMeeting())
observation = engine.step(Speak(message="I was in Cafeteria"))
assert observation.reward == -0.1
assert observation.voting_open is True
assert "Voting is already open" in observation.message_log[-1]
def test_false_self_location_claim_gets_hallucination_penalty() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.step(CallMeeting())
observation = engine.step(Speak(message="I was in Electrical"))
assert observation.reward == -1.0
assert observation.claims[-1].truth_value is False
def test_single_vote_without_bot_support_ejects_nobody() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.step(CallMeeting())
engine.step(PassMeeting())
observation = engine.step(Vote(target_id="blue"))
assert observation.reward == 0.0
assert engine.players["blue"].ejected is False
assert observation.done is False
assert "No majority" in observation.message_log[-1]
def test_bot_votes_eject_speaker_caught_in_false_alibi() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"])
engine.reset()
engine.step(CallMeeting())
engine.step(Speak(message="I was in Electrical"))
observation = engine.step(Vote(target_id="blue"))
assert engine.players["red"].ejected is True
assert observation.reward == -0.5
assert "Ejected red" in observation.message_log[-1]
def test_majority_voting_tie_ejects_nobody() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["blue"], player_ids=["red", "blue", "green"])
engine.reset()
engine.step(CallMeeting())
engine.step(PassMeeting())
observation = engine.step(Vote(target_id="blue"))
assert engine.players["blue"].ejected is False
assert observation.phase is Phase.TASKS
assert "No majority" in observation.message_log[-1]
def test_impostors_win_when_they_reach_parity() -> None:
engine = AmongUsEngine(seed=1, impostor_ids=["red"], player_ids=["red", "blue", "green"])
engine.reset()
observation = engine.step(Kill(target_id="blue"))
assert observation.done is True
assert observation.winner is Winner.IMPOSTORS
assert observation.reward == 1.5
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