Battlesnake/Byte-snake-engine
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Never spawn food within one move of any snake.

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This commit is contained in:
bvanvugt 2020-11-10 13:00:13 -08:00
parent f5aec61e04
commit c6d9ba12ab
3 changed files with 48 additions and 16 deletions
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38
standard_test.go
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@ -44,17 +44,18 @@ func TestCreateInitialBoardState(t *testing.T) {
Err error
}{
{1, 1, []string{"one"}, 0, nil},
{1, 2, []string{"one"}, 1, nil},
{1, 2, []string{"one"}, 0, nil},
{1, 4, []string{"one"}, 1, nil},
{2, 2, []string{"one"}, 1, nil},
{9, 8, []string{"one"}, 1, nil},
{2, 2, []string{"one", "two"}, 2, nil},
{2, 2, []string{"one", "two"}, 2, nil},
{2, 2, []string{"one", "two"}, 0, nil},
{1, 1, []string{"one", "two"}, 2, errors.New("not enough space to place snake")},
{1, 2, []string{"one", "two"}, 2, errors.New("not enough space to place snake")},
{BoardSizeSmall, BoardSizeSmall, []string{"one", "two"}, 3, nil},
}
r := StandardRuleset{}
for _, test := range tests {
for testNum, test := range tests {
state, err := r.CreateInitialBoardState(test.Width, test.Height, test.IDs)
require.Equal(t, test.Err, err)
if err != nil {
@ -68,7 +69,7 @@ func TestCreateInitialBoardState(t *testing.T) {
for i, id := range test.IDs {
require.Equal(t, id, state.Snakes[i].ID)
}
require.Len(t, state.Food, test.ExpectedNumFood)
require.Len(t, state.Food, test.ExpectedNumFood, testNum)
}
}
@ -212,7 +213,7 @@ func TestPlaceSnakes(t *testing.T) {
r := StandardRuleset{}
for _, test := range tests {
require.Equal(t, test.BoardState.Width*test.BoardState.Height, int32(len(r.getUnoccupiedPoints(test.BoardState))))
require.Equal(t, test.BoardState.Width*test.BoardState.Height, int32(len(r.getUnoccupiedPoints(test.BoardState, true))))
err := r.placeSnakes(test.BoardState)
require.Equal(t, test.Err, err, "Snakes: %d", len(test.BoardState.Snakes))
if err == nil {
@ -1732,7 +1733,7 @@ func TestGetUnoccupiedPoints(t *testing.T) {
r := StandardRuleset{}
for _, test := range tests {
unoccupiedPoints := r.getUnoccupiedPoints(test.Board)
unoccupiedPoints := r.getUnoccupiedPoints(test.Board, true)
require.Equal(t, len(test.Expected), len(unoccupiedPoints))
for i, e := range test.Expected {
require.Equal(t, e, unoccupiedPoints[i])
@ -1834,12 +1835,12 @@ func TestMaybeSpawnFood(t *testing.T) {
ExpectedFood []Point
}{
// Use pre-tested seeds and results
{123, []Point{}, []Point{{2, 2}}},
{123, []Point{}, []Point{{2, 3}}},
{456, []Point{{4, 4}}, []Point{{4, 4}}},
{789, []Point{{4, 4}}, []Point{{4, 4}}},
{1024, []Point{}, []Point{{4, 1}}},
{511, []Point{{4, 4}}, []Point{{4, 4}, {2, 0}}},
{165, []Point{{4, 4}}, []Point{{4, 4}, {3, 1}}},
{1024, []Point{}, []Point{{1, 2}}},
{511, []Point{{4, 4}}, []Point{{4, 4}, {4, 1}}},
{165, []Point{{4, 4}}, []Point{{4, 4}, {4, 2}}},
}
r := StandardRuleset{}
@ -1864,6 +1865,21 @@ func TestMaybeSpawnFood(t *testing.T) {
}
}
func TestSpawnFood(t *testing.T) {
b := &BoardState{
Height: 1,
Width: 3,
Snakes: []Snake{
{Body: []Point{{1, 0}}},
},
}
// Food should never spawn, no room
r := StandardRuleset{}
err := r.spawnFood(b, 99)
require.NoError(t, err)
require.Equal(t, len(b.Food), 0)
}
func TestIsGameOver(t *testing.T) {
tests := []struct {
Snakes []Snake