Battlesnake/Byte-snake-engine
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Add parameters for food spawn chance and min food.

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This commit is contained in:
bvanvugt 2020-11-20 12:00:58 -08:00
parent c6d9ba12ab
commit ca4b6c5dce
2 changed files with 88 additions and 20 deletions
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90
standard_test.go
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@ -1828,22 +1828,89 @@ func TestGetEvenUnoccupiedPoints(t *testing.T) {
}
}
func TestMaybeSpawnFood(t *testing.T) {
func TestMaybeSpawnFoodMinimum(t *testing.T) {
tests := []struct {
MinimumFood int32
Food []Point
ExpectedFood int
}{
// Use pre-tested seeds and results
{0, []Point{}, 0},
{1, []Point{}, 1},
{9, []Point{}, 9},
{7, []Point{{4, 5}, {4, 4}, {4, 1}}, 7},
}
for _, test := range tests {
r := StandardRuleset{MinimumFood: test.MinimumFood}
b := &BoardState{
Height: 11,
Width: 11,
Snakes: []Snake{
{Body: []Point{{1, 0}, {1, 1}}},
{Body: []Point{{0, 1}, {0, 2}, {0, 3}}},
},
Food: test.Food,
}
err := r.maybeSpawnFood(b)
require.NoError(t, err)
require.Equal(t, test.ExpectedFood, len(b.Food))
}
}
func TestMaybeSpawnFoodZeroChance(t *testing.T) {
r := StandardRuleset{FoodSpawnChance: 0}
b := &BoardState{
Height: 11,
Width: 11,
Snakes: []Snake{
{Body: []Point{{1, 0}, {1, 1}}},
{Body: []Point{{0, 1}, {0, 2}, {0, 3}}},
},
Food: []Point{},
}
for i := 0; i < 1000; i++ {
err := r.maybeSpawnFood(b)
require.NoError(t, err)
require.Equal(t, len(b.Food), 0)
}
}
func TestMaybeSpawnFoodHundredChance(t *testing.T) {
r := StandardRuleset{FoodSpawnChance: 100}
b := &BoardState{
Height: 11,
Width: 11,
Snakes: []Snake{
{Body: []Point{{1, 0}, {1, 1}}},
{Body: []Point{{0, 1}, {0, 2}, {0, 3}}},
},
Food: []Point{},
}
for i := 1; i <= 22; i++ {
err := r.maybeSpawnFood(b)
require.NoError(t, err)
require.Equal(t, i, len(b.Food))
}
}
func TestMaybeSpawnFoodHalfChance(t *testing.T) {
tests := []struct {
Seed int64
Food []Point
ExpectedFood []Point
ExpectedFood int32
}{
// Use pre-tested seeds and results
{123, []Point{}, []Point{{2, 3}}},
{456, []Point{{4, 4}}, []Point{{4, 4}}},
{789, []Point{{4, 4}}, []Point{{4, 4}}},
{1024, []Point{}, []Point{{1, 2}}},
{511, []Point{{4, 4}}, []Point{{4, 4}, {4, 1}}},
{165, []Point{{4, 4}}, []Point{{4, 4}, {4, 2}}},
{123, []Point{}, 1},
{12345, []Point{}, 0},
{456, []Point{{4, 4}}, 1},
{789, []Point{{4, 4}}, 2},
{511, []Point{{4, 4}}, 1},
{165, []Point{{4, 4}}, 2},
}
r := StandardRuleset{}
r := StandardRuleset{FoodSpawnChance: 50}
for _, test := range tests {
b := &BoardState{
Height: 4,
@ -1858,10 +1925,7 @@ func TestMaybeSpawnFood(t *testing.T) {
rand.Seed(test.Seed)
err := r.maybeSpawnFood(b)
require.NoError(t, err)
require.Equal(t, len(test.ExpectedFood), len(b.Food), "Seed %d", test.Seed)
for i, e := range test.ExpectedFood {
require.Equal(t, e, b.Food[i], "Seed %d", test.Seed)
}
require.Equal(t, test.ExpectedFood, int32(len(b.Food)), "Seed %d", test.Seed)
}
}