133 lines
4.6 KiB
Go
133 lines
4.6 KiB
Go
package ai
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import (
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"testing"
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"nl-game-api-gin/internal/gamecore/ddz"
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)
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// card 按点数造一张牌（花色取 0-3 循环，保证同点数多张时编码不同）
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// 点数 r：3-15（15=2），16=小王，17=大王
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func card(r, i int) int {
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if r == 16 {
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return 52
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}
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if r == 17 {
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return 53
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}
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return (r-3)*4 + i
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}
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// TestFarmerNotBeatPartner 平民不压队友：队友出的中等牌（J 以上）应选择过牌
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func TestFarmerNotBeatPartner(t *testing.T) {
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a := &ruleDdzAI{difficulty: DiffMedium, name: "测试"}
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// 手牌里有 2（能压 J）但队友出的 J 不该压
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hand := []int{card(15, 0), card(10, 0), card(5, 0), card(5, 1)}
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last := ddz.Parse([]int{card(11, 0)}) // 队友出单张 J
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pick, _ := a.DecidePlay(hand, last, PlayContext{
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IsLandlord: false, LastIsPartner: true,
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PartnerCards: 8, LandlordCards: 10, OppMin: 10,
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})
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if pick != nil {
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t.Fatalf("平民不应压队友的大牌，却出了 %v", pick)
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}
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}
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// TestFarmerBeatPartnerSmall 队友前期小牌可以用小牌接管，但不能动 2/王/炸弹
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func TestFarmerBeatPartnerSmall(t *testing.T) {
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a := &ruleDdzAI{difficulty: DiffMedium, name: "测试"}
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hand := []int{card(15, 0), card(8, 0), card(6, 0), card(6, 1)}
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last := ddz.Parse([]int{card(4, 0)}) // 队友出单张 4（早期小牌）
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pick, _ := a.DecidePlay(hand, last, PlayContext{
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IsLandlord: false, LastIsPartner: true,
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PartnerCards: 10, LandlordCards: 12, OppMin: 12,
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})
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if pick == nil {
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t.Fatal("队友的小牌应该用小牌接管节奏")
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}
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if c := ddz.Parse(pick); c.MainRank > 12 {
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t.Fatalf("接队友的牌不应动大牌，却出了主点数 %d", c.MainRank)
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}
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}
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// TestFarmerFinishOverridesCoop 能一手出完时即使是队友的牌也直接出完取胜
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func TestFarmerFinishOverridesCoop(t *testing.T) {
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a := &ruleDdzAI{difficulty: DiffMedium, name: "测试"}
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hand := []int{card(14, 0)} // 只剩一张 A
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last := ddz.Parse([]int{card(11, 0)}) // 队友出单张 J
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pick, _ := a.DecidePlay(hand, last, PlayContext{
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IsLandlord: false, LastIsPartner: true,
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PartnerCards: 3, LandlordCards: 9, OppMin: 9,
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})
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if len(pick) != 1 {
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t.Fatalf("能直接出完应立即取胜，实际出牌 %v", pick)
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}
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}
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// TestFarmerFeedsPartnerSingle 队友只剩 1 张时，平民自由出牌应喂最小单张
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func TestFarmerFeedsPartnerSingle(t *testing.T) {
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a := &ruleDdzAI{difficulty: DiffMedium, name: "测试"}
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hand := []int{card(15, 0), card(12, 0), card(12, 1), card(3, 0)}
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pick, _ := a.DecidePlay(hand, nil, PlayContext{
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IsLandlord: false, LastIsPartner: false,
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PartnerCards: 1, LandlordCards: 8, OppMin: 8,
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})
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c := ddz.Parse(pick)
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if c == nil || c.Type != ddz.ComboSingle {
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t.Fatalf("队友剩 1 张应喂单张，实际 %v", pick)
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}
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if c.MainRank != 3 {
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t.Fatalf("应喂最小单张 3，实际主点数 %d", c.MainRank)
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}
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}
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// TestFarmerFeedsPartnerPair 队友只剩 2 张时优先喂最小对子
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func TestFarmerFeedsPartnerPair(t *testing.T) {
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a := &ruleDdzAI{difficulty: DiffMedium, name: "测试"}
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hand := []int{card(15, 0), card(9, 0), card(9, 1), card(4, 0), card(4, 1)}
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pick, _ := a.DecidePlay(hand, nil, PlayContext{
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IsLandlord: false, LastIsPartner: false,
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PartnerCards: 2, LandlordCards: 8, OppMin: 8,
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})
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c := ddz.Parse(pick)
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if c == nil || c.Type != ddz.ComboPair {
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t.Fatalf("队友剩 2 张应喂对子，实际 %v", pick)
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}
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if c.MainRank != 4 {
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t.Fatalf("应喂最小对子 4，实际主点数 %d", c.MainRank)
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}
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}
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// TestFarmerBlocksLandlordEndgame 地主只剩 1 张时，平民领出应避免送小单牌
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func TestFarmerBlocksLandlordEndgame(t *testing.T) {
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a := &ruleDdzAI{difficulty: DiffMedium, name: "测试"}
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// 手牌：小单 3、对 7、大单 A
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hand := []int{card(14, 0), card(7, 0), card(7, 1), card(3, 0)}
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pick, _ := a.DecidePlay(hand, nil, PlayContext{
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IsLandlord: false, LastIsPartner: false,
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PartnerCards: 10, LandlordCards: 1, OppMin: 1,
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})
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c := ddz.Parse(pick)
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if c == nil {
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t.Fatal("应有出牌")
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}
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// 不应送出最小单张 3（地主最后一张很可能压过）
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if c.Type == ddz.ComboSingle && c.MainRank == 3 {
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t.Fatal("地主只剩 1 张时不应送最小单牌")
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}
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}
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// TestLandlordUnchanged 地主视角：正常出能压住的最小牌，不受配合逻辑影响
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func TestLandlordUnchanged(t *testing.T) {
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a := &ruleDdzAI{difficulty: DiffMedium, name: "测试"}
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hand := []int{card(15, 0), card(10, 0), card(6, 0)}
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last := ddz.Parse([]int{card(5, 0)})
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pick, _ := a.DecidePlay(hand, last, PlayContext{
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IsLandlord: true, LandlordCards: 3, OppMin: 10,
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})
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c := ddz.Parse(pick)
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if c == nil || c.MainRank != 6 {
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t.Fatalf("地主应出能压住的最小牌 6，实际 %v", pick)
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}
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}
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