def test_that_it_fails_on_undefined_domain(self):
tessagon = FakeTessagon()
# No u_range, v_range, corner options passed
with pytest.raises(ValueError) as exception_info:
AbstractTile(tessagon)
assert "Must set either option 'corners' or "\
"options 'u_range' and 'v_range'" in str(exception_info.value)
def test_blend_when_initialized_with_ranges(self):
tessagon = FakeTessagon()
tile = AbstractTile(tessagon, u_range=[0.5, 1.0], v_range=[2.5, 4.5])
assert tile.blend(0, 0) == [0.5, 2.5]
assert tile.blend(1, 0) == [1.0, 2.5]
assert tile.blend(0, 1) == [0.5, 4.5]
assert tile.blend(1, 1) == [1.0, 4.5]
assert tile.blend(0.5, 0.25) == [0.75, 3.0]
assert tile.blend(0.75, 0.5) == [0.875, 3.5]
def test_blend_when_initialized_with_corners(self):
tessagon = FakeTessagon()
tile = AbstractTile(tessagon,
corners=[[0.5, 2.5], [1.5, 4.5], [1.5, 4.5],
[2.5, 6.5]])
assert tile.blend(0, 0) == [0.5, 2.5]
assert tile.blend(1, 0) == [1.5, 4.5]
assert tile.blend(0, 1) == [1.5, 4.5]
assert tile.blend(1, 1) == [2.5, 6.5]
assert tile.blend(0.5, 0.5) == [1.5, 4.5]
def test_add_vert(self):
tessagon = FakeTessagon()
tile = FakeTileSubClass(tessagon, u_range=[0.5, 1.0],
v_range=[2.5, 3.0])
tile.add_vert(['top', 'left'], 0.25, 0.75)
assert tile.blend(0.25, 0.75) == [0.625, 2.875]
# One vert added
assert tile.verts['top']['left'] == tile.f(0.625, 2.875)
assert tile.verts['top']['right'] is None
assert tile.verts['bottom']['left'] is None
assert tile.verts['bottom']['right'] is None
def test_add_vert_u_v_symmetric(self):
tessagon = FakeTessagon()
tile = FakeTileSubClass(tessagon, u_range=[0.5, 1.0],
v_range=[2.5, 3.0],
u_symmetric=True, v_symmetric=True)
tile.add_vert(['top', 'left'], 0.25, 0.75)
# [0.75, 0.25] is reflection of [0.25, 0.75] in U and V directions
assert tile.blend(0.75, 0.25) == [0.875, 2.625]
# Four verts added
assert tile.verts['top']['left'] == tile.f(0.625, 2.875)
assert tile.verts['top']['right'] == tile.f(0.875, 2.875)
assert tile.verts['bottom']['left'] == tile.f(0.625, 2.625)
assert tile.verts['bottom']['right'] == tile.f(0.875, 2.625)
def test_neighbors(self):
tessagon = FakeTessagon()
tile = AbstractTile(tessagon, u_range=[0.5, 1.0], v_range=[2.5, 4.0])
tiles = []
for i in range(5):
tiles.append(
AbstractTile(tessagon, u_range=[0.5, 1.0], v_range=[2.5, 4.0]))
tile.set_neighbors(top=tiles[0],
bottom=tiles[1],
right=tiles[2],
left=tiles[3])
tiles[3].set_neighbors(top=tiles[4])
assert tile.get_neighbor_tile(['left']) == tiles[3]
assert tile.get_neighbor_tile(['right']) == tiles[2]
assert tile.get_neighbor_tile(['top']) == tiles[0]
assert tile.get_neighbor_tile(['bottom']) == tiles[1]
assert tile.get_neighbor_tile(['left', 'top']) == tiles[4]
def test_u_v_cyclic(self):
tessagon = FakeTessagon()
tile_generator = TileGenerator(tessagon,
u_range=[0.5, 1.0],
v_range=[2.5, 4.0],
u_num=2,
v_num=3,
u_cyclic=True,
v_cyclic=True)
tiles = tile_generator.initialize_tiles(FakeTileSubClass)
assert len(tiles) == 2
assert len(tiles[0]) == 3
assert len(tiles[1]) == 3
tile_generator.initialize_neighbors(tiles)
assert (tiles[0][0].get_neighbor_tile(['left']) is tiles[1][0])
assert (tiles[0][0].get_neighbor_tile(['bottom']) is tiles[0][2])
assert (tiles[0][0].get_neighbor_tile(['right']) is tiles[1][0])
assert (tiles[0][0].get_neighbor_tile(['top']) is tiles[0][1])
assert (tiles[1][2].get_neighbor_tile(['left']) is tiles[0][2])
assert (tiles[1][2].get_neighbor_tile(['bottom']) is tiles[1][1])
assert (tiles[1][2].get_neighbor_tile(['right']) is tiles[0][2])
assert (tiles[1][2].get_neighbor_tile(['top']) is tiles[1][0])
def test_u_range_v_range_params(self):
tessagon = FakeTessagon()
tile = AbstractTile(tessagon, u_range=[0.5, 1.0], v_range=[2.5, 4.0])
assert (tile.corners == [[0.5, 2.5], [1, 2.5], [0.5, 4.0], [1.0, 4.0]])
def test_corner_params(self):
tessagon = FakeTessagon()
tile = AbstractTile(tessagon,
corners=[[0.5, 2.5], [1, 2.5], [0.5, 4.0],
[1.0, 4.0]])
assert (tile.corners == [[0.5, 2.5], [1, 2.5], [0.5, 4.0], [1.0, 4.0]])