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Add vanilla parity harness and harden server boundaries

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This commit is contained in:
Daniar Mannanov 2026-08-10 22:52:44 +03:00
parent 1924cb5591
commit ca019756ec
25 changed files with 1118 additions and 217 deletions
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34
internal/worldgen/biome_test.go
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@ -15,6 +15,8 @@ func TestQuantize(t *testing.T) {
{1.0, 10000},
{-0.15, -1500},
{0.55, 5500},
{0.00005, 1},
{-0.00005, 0},
}
for _, c := range cases {
if got := quantize(c.v); got != c.want {
@ -23,17 +25,41 @@ func TestQuantize(t *testing.T) {
}
}
func TestParameterTableDistanceOffsetAndTies(t *testing.T) {
pointRange := func(value int64) [AxisCount]ClimateRange {
var ranges [AxisCount]ClimateRange
for i := range ranges {
ranges[i] = ClimateRange{Min: 0, Max: 0}
}
ranges[0] = ClimateRange{Min: value, Max: value}
return ranges
}
point := TargetPoint{Temperature: 5}
table := NewParameterTable([]BiomeParameter{
{Name: "offset-wins", Ranges: pointRange(0), Offset: 0}, // fitness 25
{Name: "range-loses", Ranges: pointRange(5), Offset: 10}, // fitness 100
{Name: "same-fitness-later", Ranges: pointRange(10), Offset: 0}, // fitness 25
})
if got := table.FindBiome(point); got != "offset-wins" {
t.Fatalf("FindBiome = %q, want first minimum-fitness entry", got)
}
if got := fitDistance(point, pointRange(5), 0); got != 0 {
t.Fatalf("point inside exact range has fitness %d", got)
}
}
// TestFitDistanceZero confirms identical points are zero-distance and distinct
// points are positive; the exact value is not asserted to stay robust to
// representation choices.
func TestFitDistance(t *testing.T) {
a := NewTargetPoint(0, 0, 0, 0, 0, 0)
if got := fitDistance(a, a); got != 0 {
ranges := [AxisCount]ClimateRange{}
if got := fitDistance(a, ranges, 0); got != 0 {
t.Errorf("fitDistance(a,a) = %d, want 0", got)
}
b := NewTargetPoint(1, 0, 0, 0, 0, 0)
// 10000^2 per axis of difference.
if got := fitDistance(a, b); got != 10000*10000 {
if got := fitDistance(b, ranges, 0); got != 10000*10000 {
t.Errorf("fitDistance for 1.0 temp diff = %d, want %d", got, int64(10000*10000))
}
}
@ -44,8 +70,8 @@ func TestRangeContains(t *testing.T) {
if !r.contains(0) {
t.Error("min should be inclusive")
}
if r.contains(100) {
t.Error("max should be exclusive")
if !r.contains(100) {
t.Error("max should be inclusive")
}
if !r.contains(50) {
t.Error("interior should contain")