Initial commit, with rules 0.5 and basic bots

tests/test_validate.py

@@ -0,0 +1,113 @@
+from gridedit import (
+    cell_column,
+    cell_line,
+    edit,
+    h_segment_column,
+    wall_column_left_of,
+    wall_line_above,
+)
+
+from dojo.board import Board, build_board
+from dojo.grid import parse_grid
+from dojo.validate import Report, validate
+
+
+def validate_text(text: str) -> Report:
+    return validate(build_board(parse_grid(text)))
+
+
+def test_fixture_board_has_no_errors(board: Board) -> None:
+    report = validate(board)
+
+    assert report.errors == []
+
+
+def test_fixture_stats(board: Board) -> None:
+    stats = validate(board).stats
+
+    assert stats is not None
+    assert stats.playable_squares == 4 * (64 - 9 - 4)
+    assert stats.square_counts == {
+        ".": 172,
+        "?": 4,
+        "A": 8,
+        "F": 4,
+        "K": 4,
+        "P": 4,
+        "T": 8,
+    }
+    assert stats.dojo_entrances == 4
+    assert stats.tunnel_pairs == 4
+    assert stats.dojo_distance == (10, 10, 10, 10)
+
+
+def test_tatami_share_outside_target_is_a_warning(board: Board) -> None:
+    report = validate(board)
+
+    assert any("Tatami share 84%" in w for w in report.warnings)
+
+
+def test_wall_inside_dojo(quadrant_text: str) -> None:
+    text = edit(quadrant_text, wall_line_above(7), h_segment_column(6), "---")
+
+    report = validate_text(text)
+
+    assert "wall inside the Dojo between (6, 6) and (7, 6)" in report.errors
+
+
+def test_dojo_without_entrance(quadrant_text: str) -> None:
+    text = edit(quadrant_text, wall_line_above(6), h_segment_column(7), "---")
+
+    report = validate_text(text)
+
+    assert "quadrant 0 has no Dojo entrance" in report.errors
+
+
+def test_safe_room_with_one_exit(quadrant_text: str) -> None:
+    text = edit(quadrant_text, cell_line(1), wall_column_left_of(3), "|")
+
+    report = validate_text(text)
+
+    assert "Safe Room of quadrant 0: 1 exits, rules require 2" in report.errors
+
+
+def test_safe_room_exits_on_the_same_side(quadrant_text: str) -> None:
+    text = edit(quadrant_text, cell_line(1), wall_column_left_of(3), "|")
+    text = edit(text, cell_line(0), wall_column_left_of(3), " ")
+    text = edit(text, wall_line_above(3), h_segment_column(1), "---")
+    text = edit(text, cell_line(2), wall_column_left_of(3), " ")
+
+    report = validate_text(text)
+
+    assert "Safe Room of quadrant 0: both exits face E" in report.errors
+
+
+def test_safe_room_used_as_a_shortcut(quadrant_text: str) -> None:
+    text = edit(quadrant_text, cell_line(3), wall_column_left_of(2), "|")
+
+    report = validate_text(text)
+
+    assert any("Safe Room of quadrant 0: is a shortcut, 4 steps" in e for e in report.errors)
+
+
+def test_safe_room_must_contain_the_corner(quadrant_text: str) -> None:
+    text = edit(quadrant_text, cell_line(0), cell_column(0), ".")
+
+    report = validate_text(text)
+
+    assert "Safe Room of quadrant 0: does not contain the board corner (0, 0)" in report.errors
+    assert "Safe Room of quadrant 0: 8 cells, rules expect 9" in report.warnings
+
+
+def test_enclosed_square_is_unreachable(quadrant_text: str) -> None:
+    text = edit(quadrant_text, wall_line_above(4), h_segment_column(5), "---")
+    text = edit(text, wall_line_above(5), h_segment_column(5), "---")
+    text = edit(text, cell_line(4), wall_column_left_of(5), "|")
+    text = edit(text, cell_line(4), wall_column_left_of(6), "|")
+
+    report = validate_text(text)
+
+    assert any(
+        e.startswith("4 squares cannot be walked to from the Safe Room of quadrant 0: (4, 5)")
+        for e in report.errors
+    )