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b188d7036b
2-player UNO (especially No Mercy) regularly stalls past 100 turns. Sudden death announces at turn 80 with a 20-turn countdown, then scores hands by card point values — lowest total wins. Applies to solo (vs bot) and multiplayer when 2 active players remain. Also adds "It's X's turn" labels to bot plays in multiplayer, matching the format human plays already had, and adds sudden death checks to all turn advancement paths. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
346 lines
10 KiB
Go
346 lines
10 KiB
Go
package plugin
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import "testing"
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// ---------------------------------------------------------------------------
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// Card properties
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// ---------------------------------------------------------------------------
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func TestUnoCard_IsWild(t *testing.T) {
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tests := []struct {
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name string
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card unoCard
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want bool
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}{
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{"wild", unoCard{unoWild, unoWildCard}, true},
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{"wild draw four", unoCard{unoWild, unoWildDrawFour}, true},
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{"wild draw six", unoCard{unoWild, unoWildDrawSix}, true},
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{"wild draw ten", unoCard{unoWild, unoWildDrawTen}, true},
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{"wild reverse draw 4", unoCard{unoWild, unoWildReverseDraw4}, true},
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{"wild color roulette", unoCard{unoWild, unoWildColorRoulette}, true},
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{"red skip", unoCard{unoRed, unoSkip}, false},
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{"blue 5", unoCard{unoBlue, unoFive}, false},
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{"green draw two", unoCard{unoGreen, unoDrawTwo}, false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := tt.card.isWild(); got != tt.want {
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t.Errorf("isWild() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestUnoValue_IsAction(t *testing.T) {
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actions := []unoValue{unoSkip, unoReverse, unoDrawTwo, unoWildCard, unoWildDrawFour,
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unoSkipEveryone, unoDrawFour, unoDiscardAll, unoWildReverseDraw4,
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unoWildDrawSix, unoWildDrawTen, unoWildColorRoulette}
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for _, v := range actions {
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if !v.isAction() {
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t.Errorf("%s should be an action card", v)
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}
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}
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numbers := []unoValue{unoZero, unoOne, unoTwo, unoThree, unoFour, unoFive, unoSix, unoSeven, unoEight, unoNine}
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for _, v := range numbers {
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if v.isAction() {
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t.Errorf("%s should NOT be an action card", v)
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}
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}
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}
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// ---------------------------------------------------------------------------
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// canPlayOn
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// ---------------------------------------------------------------------------
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func TestCanPlayOn(t *testing.T) {
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tests := []struct {
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name string
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card unoCard
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top unoCard
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topColor unoColor
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want bool
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}{
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{"wild always playable", unoCard{unoWild, unoWildCard}, unoCard{unoRed, unoFive}, unoRed, true},
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{"wd4 always playable", unoCard{unoWild, unoWildDrawFour}, unoCard{unoBlue, unoThree}, unoBlue, true},
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{"same color", unoCard{unoRed, unoThree}, unoCard{unoRed, unoSeven}, unoRed, true},
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{"same value diff color", unoCard{unoBlue, unoFive}, unoCard{unoRed, unoFive}, unoRed, true},
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{"diff color diff value", unoCard{unoBlue, unoThree}, unoCard{unoRed, unoSeven}, unoRed, false},
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{"matches chosen color not card color", unoCard{unoGreen, unoTwo}, unoCard{unoWild, unoWildCard}, unoGreen, true},
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{"doesnt match chosen color", unoCard{unoRed, unoTwo}, unoCard{unoWild, unoWildCard}, unoGreen, false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := tt.card.canPlayOn(tt.top, tt.topColor); got != tt.want {
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t.Errorf("canPlayOn() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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// ---------------------------------------------------------------------------
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// Deck sizes
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// ---------------------------------------------------------------------------
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func TestNewUnoDeck_Size(t *testing.T) {
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deck := newUnoDeck()
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// Standard UNO: 4 colors × (1 zero + 2×12 other) + 8 wilds = 4×25 + 8 = 108
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if len(deck) != 108 {
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t.Errorf("standard deck size = %d, want 108", len(deck))
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}
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}
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func TestNewNoMercyDeck_Size(t *testing.T) {
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deck := newNoMercyDeck()
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if len(deck) < 108 {
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t.Errorf("no mercy deck should be larger than standard, got %d", len(deck))
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}
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}
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// ---------------------------------------------------------------------------
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// Bot AI
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// ---------------------------------------------------------------------------
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func TestBotPickCard_NoPlayable(t *testing.T) {
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hand := []unoCard{
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{unoRed, unoOne},
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{unoRed, unoTwo},
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}
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top := unoCard{unoBlue, unoSeven}
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_, idx := botPickCard(hand, top, unoBlue, false, 5)
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if idx != -1 {
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t.Errorf("should return -1 when nothing playable, got %d", idx)
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}
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}
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func TestBotPickCard_PlaysPlayable(t *testing.T) {
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hand := []unoCard{
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{unoRed, unoOne},
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{unoBlue, unoSeven}, // matches top
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}
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top := unoCard{unoBlue, unoFive}
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card, idx := botPickCard(hand, top, unoBlue, false, 5)
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if idx == -1 {
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t.Fatal("should find a playable card")
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}
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if !card.canPlayOn(top, unoBlue) {
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t.Error("picked card should be playable on top")
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}
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}
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func TestBotPickCard_AggressiveUsesWD4(t *testing.T) {
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hand := []unoCard{
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{unoRed, unoOne},
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{unoWild, unoWildDrawFour},
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{unoBlue, unoSeven},
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}
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top := unoCard{unoBlue, unoFive}
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// bookDown=true triggers aggressive mode
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card, idx := botPickCard(hand, top, unoBlue, true, 5)
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if idx == -1 {
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t.Fatal("should find a playable card")
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}
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if card.Value != unoWildDrawFour {
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t.Errorf("aggressive mode should prefer WD4, got %s", card.Value)
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}
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}
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func TestBotPickColor_MostCommon(t *testing.T) {
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hand := []unoCard{
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{unoRed, unoOne},
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{unoRed, unoTwo},
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{unoRed, unoThree},
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{unoBlue, unoFive},
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{unoWild, unoWildCard}, // wilds don't count
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}
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color := botPickColor(hand)
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if color != unoRed {
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t.Errorf("should pick red (3 cards), got %s", color)
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}
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}
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func TestBotPickColor_EmptyHand(t *testing.T) {
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// Should default to red with no cards
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color := botPickColor([]unoCard{})
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if color != unoRed {
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t.Errorf("empty hand should default to red, got %s", color)
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}
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}
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// ---------------------------------------------------------------------------
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// No Mercy helpers
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// ---------------------------------------------------------------------------
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func TestCardDrawValue(t *testing.T) {
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tests := []struct {
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value unoValue
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want int
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}{
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{unoDrawTwo, 2},
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{unoDrawFour, 4},
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{unoWildReverseDraw4, 4},
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{unoWildDrawSix, 6},
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{unoWildDrawTen, 10},
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{unoOne, 0},
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{unoSkip, 0},
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{unoWildCard, 0},
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}
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for _, tt := range tests {
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if got := cardDrawValue(tt.value); got != tt.want {
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t.Errorf("cardDrawValue(%s) = %d, want %d", tt.value, got, tt.want)
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}
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}
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}
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func TestIsDrawCard(t *testing.T) {
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if !isDrawCard(unoDrawTwo) {
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t.Error("Draw Two should be a draw card")
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}
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if !isDrawCard(unoWildDrawTen) {
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t.Error("Wild Draw Ten should be a draw card")
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}
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if isDrawCard(unoSkip) {
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t.Error("Skip should not be a draw card")
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}
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}
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func TestCanPlayOnStacking(t *testing.T) {
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tests := []struct {
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name string
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card unoCard
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topColor unoColor
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stackMinValue int
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want bool
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}{
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{"wild draw six stacks on 2", unoCard{unoWild, unoWildDrawSix}, unoRed, 2, true},
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{"draw two on draw two same color", unoCard{unoRed, unoDrawTwo}, unoRed, 2, true},
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{"draw two wrong color", unoCard{unoBlue, unoDrawTwo}, unoRed, 2, false},
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{"number cant stack", unoCard{unoRed, unoFive}, unoRed, 2, false},
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{"draw two stacks on 4 same color", unoCard{unoRed, unoDrawTwo}, unoRed, 4, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := tt.card.canPlayOnStacking(tt.topColor, tt.stackMinValue); got != tt.want {
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t.Errorf("canPlayOnStacking() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestHasStackableCard(t *testing.T) {
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hand := []unoCard{
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{unoRed, unoFive},
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{unoBlue, unoDrawTwo},
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{unoGreen, unoSkip},
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}
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if hasStackableCard(hand, unoBlue, 2) != true {
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t.Error("should find blue draw two as stackable")
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}
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if hasStackableCard(hand, unoRed, 2) != false {
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t.Error("no red draw cards in hand")
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}
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}
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func TestParseNoMercyFlags(t *testing.T) {
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tests := []struct {
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input string
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noMercy bool
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sevenZero bool
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amount string
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}{
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{"nomercy", true, false, ""},
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{"nomercy 50", true, false, "50"},
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{"nomercy7-0", true, true, ""},
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{"nomercy7-0 100", true, true, "100"},
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{"50", false, false, "50"},
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{"", false, false, ""},
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{"NOMERCY", true, false, ""},
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}
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for _, tt := range tests {
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t.Run(tt.input, func(t *testing.T) {
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nm, sz, amt := parseNoMercyFlags(tt.input)
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if nm != tt.noMercy || sz != tt.sevenZero || amt != tt.amount {
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t.Errorf("parseNoMercyFlags(%q) = (%v, %v, %q), want (%v, %v, %q)",
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tt.input, nm, sz, amt, tt.noMercy, tt.sevenZero, tt.amount)
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}
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})
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}
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}
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// ---------------------------------------------------------------------------
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// Color/Value string representations
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// ---------------------------------------------------------------------------
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func TestUnoColor_String(t *testing.T) {
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if unoRed.String() != "Red" {
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t.Errorf("red: got %q", unoRed.String())
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}
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if unoWild.String() != "Wild" {
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t.Errorf("wild: got %q", unoWild.String())
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}
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}
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func TestUnoColor_Emoji(t *testing.T) {
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if unoRed.Emoji() != "🟥" {
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t.Errorf("red emoji: got %q", unoRed.Emoji())
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}
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if unoBlue.Emoji() != "🟦" {
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t.Errorf("blue emoji: got %q", unoBlue.Emoji())
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}
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}
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// ---------------------------------------------------------------------------
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// Card point values (sudden death scoring)
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// ---------------------------------------------------------------------------
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func TestCardPointValue(t *testing.T) {
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tests := []struct {
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name string
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card unoCard
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want int
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}{
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{"zero", unoCard{unoRed, unoZero}, 0},
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{"five", unoCard{unoBlue, unoFive}, 5},
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{"nine", unoCard{unoGreen, unoNine}, 9},
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{"skip", unoCard{unoRed, unoSkip}, 20},
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{"reverse", unoCard{unoBlue, unoReverse}, 20},
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{"draw two", unoCard{unoYellow, unoDrawTwo}, 20},
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{"skip everyone", unoCard{unoRed, unoSkipEveryone}, 30},
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{"draw four colored", unoCard{unoGreen, unoDrawFour}, 30},
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{"discard all", unoCard{unoBlue, unoDiscardAll}, 30},
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{"wild", unoCard{unoWild, unoWildCard}, 50},
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{"wild draw four", unoCard{unoWild, unoWildDrawFour}, 50},
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{"wild reverse draw 4", unoCard{unoWild, unoWildReverseDraw4}, 60},
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{"wild draw six", unoCard{unoWild, unoWildDrawSix}, 60},
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{"wild color roulette", unoCard{unoWild, unoWildColorRoulette}, 60},
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{"wild draw ten", unoCard{unoWild, unoWildDrawTen}, 75},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := cardPointValue(tt.card); got != tt.want {
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t.Errorf("cardPointValue(%v) = %d, want %d", tt.card, got, tt.want)
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}
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})
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}
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}
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func TestScoreHand(t *testing.T) {
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hand := []unoCard{
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{unoRed, unoFive}, // 5
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{unoBlue, unoNine}, // 9
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{unoGreen, unoSkip}, // 20
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{unoWild, unoWildCard}, // 50
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}
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got := scoreHand(hand)
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want := 84
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if got != want {
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t.Errorf("scoreHand() = %d, want %d", got, want)
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}
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}
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func TestScoreHandEmpty(t *testing.T) {
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if got := scoreHand(nil); got != 0 {
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t.Errorf("scoreHand(nil) = %d, want 0", got)
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}
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}
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