def test_look_direction_only_adjacent():
grid = Grid.from_text(PART1_INIT)
assert look_direction((1, 1), (-1, -1), grid, 1) == "L"
assert look_direction((1, 1), (-1, 0), grid, 1) == "."
assert look_direction((3, 3), (0, 1), grid, 1) == "."
grid = Grid.from_text(PART1_ROUND2)
assert look_direction((0, 0), (0, 1), grid, 1) == "."
assert look_direction((0, 0), (-1, 1), grid, 1) == "."
assert look_direction((0, 0), (1, 0), grid, 1) == "#"
assert look_direction((0, 0), (1, 1), grid, 1) == "L"
def test_look_direction():
grid = Grid.from_text(PART2_SIGHT_DATA1)
assert look_direction((4, 3), (0, 1), grid, -1) == "#"
assert look_direction((4, 3), (1, 1), grid, -1) == "#"
assert look_direction((4, 3), (1, 0), grid, -1) == "#"
assert look_direction((4, 3), (1, -1), grid, -1) == "#"
assert look_direction((4, 3), (-1, 0), grid, -1) == "#"
assert look_direction((4, 3), (-1, -1), grid, -1) == "#"
assert look_direction((4, 3), (0, -1), grid, -1) == "#"
grid = Grid.from_text(PART2_SIGHT_DATA2)
assert look_direction((1, 1), (0, 1), grid, -1) == "L"
def test_grid_from_text_content():
grid = Grid.from_text(PART1_INIT)
assert grid[0, 0] == "L"
assert grid[2, 1] == "."
assert grid[2, 8] == "."
assert grid[4, 0] == "L"
assert grid[4, 1] == "."
assert grid[9, 9] == "L"
def test_step_until_equilibrium_part2():
grid = Grid.from_text(PART2_INIT)
grid = step_until_equilibrium(grid, -1, 5)
assert grid.occupied == 26
def test_steps_part2():
assert Grid.from_text(PART2_ROUND1) == step(Grid.from_text(PART2_INIT), -1, 5)
assert Grid.from_text(PART2_ROUND2) == step(Grid.from_text(PART2_ROUND1), -1, 5)
assert Grid.from_text(PART2_ROUND3) == step(Grid.from_text(PART2_ROUND2), -1, 5)
assert Grid.from_text(PART2_ROUND4) == step(Grid.from_text(PART2_ROUND3), -1, 5)
assert Grid.from_text(PART2_ROUND5) == step(Grid.from_text(PART2_ROUND4), -1, 5)
assert Grid.from_text(PART2_ROUND6) == step(Grid.from_text(PART2_ROUND5), -1, 5)
def test_step_until_equilibrium_part1():
grid = Grid.from_text(PART1_INIT)
grid = step_until_equilibrium(grid)
assert grid.occupied == 37
def test_steps_part1():
assert Grid.from_text(PART1_ROUND1) == step(Grid.from_text(PART1_INIT), 1, 4)
assert Grid.from_text(PART1_ROUND2) == step(Grid.from_text(PART1_ROUND1), 1, 4)
assert Grid.from_text(PART1_ROUND3) == step(Grid.from_text(PART1_ROUND2), 1, 4)
assert Grid.from_text(PART1_ROUND4) == step(Grid.from_text(PART1_ROUND3), 1, 4)
assert Grid.from_text(PART1_ROUND5) == step(Grid.from_text(PART1_ROUND4), 1, 4)
def test_grid_from_text_dimensions():
grid = Grid.from_text(PART1_INIT)
assert (grid.cols, grid.rows) == (10, 10)