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feat: add ranked season rollover policy

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This commit is contained in:
Josh Creek
2026-08-31 20:29:11 +01:00
parent 1793eb7621
commit cc2cd80a01
16 changed files with 688 additions and 249 deletions
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server/domain/teams_test.go
+12 -4
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@@ -8,7 +8,9 @@ func TestPartitionTeamsBalancesMeanRatingBeforeOpposingSpread(t *testing.T) {
{PlayerID: "c", Rating: 1900}, {PlayerID: "d", Rating: 2000},
}
teams, err := PartitionTeams(players)
if err != nil { t.Fatal(err) }
if err != nil {
t.Fatal(err)
}
if playerIDs(teams.Team0) != "a\x00d\x00" || playerIDs(teams.Team1) != "b\x00c\x00" {
t.Fatalf("unexpected balanced partition: team0=%q team1=%q", playerIDs(teams.Team0), playerIDs(teams.Team1))
}
@@ -20,9 +22,13 @@ func TestPartitionTeamsIsIndependentOfInputOrder(t *testing.T) {
{PlayerID: "c", Rating: 1500}, {PlayerID: "a", Rating: 1500},
}
first, err := PartitionTeams(players)
if err != nil { t.Fatal(err) }
if err != nil {
t.Fatal(err)
}
second, err := PartitionTeams([]Candidate{players[2], players[0], players[3], players[1]})
if err != nil { t.Fatal(err) }
if err != nil {
t.Fatal(err)
}
if playerIDs(first.Team0) != playerIDs(second.Team0) || playerIDs(first.Team1) != playerIDs(second.Team1) {
t.Fatalf("input order changed partition: first=%q/%q second=%q/%q", playerIDs(first.Team0), playerIDs(first.Team1), playerIDs(second.Team0), playerIDs(second.Team1))
}
@@ -31,6 +37,8 @@ func TestPartitionTeamsIsIndependentOfInputOrder(t *testing.T) {
func TestPartitionTeamsRejectsUnsupportedShapes(t *testing.T) {
for _, count := range []int{0, 1, 3, 7} {
players := make([]Candidate, count)
if _, err := PartitionTeams(players); err == nil { t.Fatalf("accepted %d players", count) }
if _, err := PartitionTeams(players); err == nil {
t.Fatalf("accepted %d players", count)
}
}
}