systemic-game-design-course/course/01-handles/expansion

Module 1 Expansion Drop: playing a card from hand

The lesson's Expansion Drop beat explains the task. This file holds the scenario, the test locations and the check.

• Tests: tests/rust/test_01x.rs and tests/ts/test_01x.test.ts. Copy the one for your track into your workspace's tests/.
• Reference answer: solution/rust/src/harness.rs and solution/ts/src/harness.ts. Each is the Module 1 reference harness with play filled in. Nothing under src/engine/ changes.
• Check: commit your workspace before you start, then run node tools/expansion-check.mjs <your-workspace> <that-commit> from the course repository. It fails if any file under src/engine/ changed.

Scenario

test_01x_play_assigns_order_on_entry

• Setup: an empty game (newGame(), or new_game(GameOpts::default()) in Rust).
• Action: add a Test Filler to player 0's hand (id H). Then summon a Test Filler for player 0 (id S). Then play(H).
• Assertions:
  • zoneOf(H) is board.
  • hand(0) is empty.
  • board(0) is [S, H]: a played card goes to the right end of the board.
  • orderOfPlay(H) > orderOfPlay(S). H was created before S, but S entered play first.