Filter By Hak Name

internal/project/project_test.go

@@ -3,6 +3,7 @@ package project
 import (
 	"os"
 	"path/filepath"
+	"slices"
 	"testing"
 )
 
@@ -87,3 +88,54 @@ func mkdirAll(t *testing.T, path string) {
 		t.Fatalf("mkdir %s: %v", path, err)
 	}
 }
+
+func TestCloneWithHAKNamesFiltersConfiguredHAKs(t *testing.T) {
+	proj := &Project{
+		Root: "/tmp/test",
+		Config: Config{
+			Module: ModuleConfig{Name: "Test", ResRef: "test"},
+			Paths:  PathConfig{Source: "src", Assets: "assets", Build: "build"},
+			HAKs: []HAKConfig{
+				{Name: "sow_over", Priority: 1, Include: []string{"over/**"}},
+				{Name: "sow_core", Priority: 2, Include: []string{"core/**"}},
+				{Name: "sow_item", Priority: 3, Include: []string{"item/**"}},
+			},
+		},
+	}
+
+	filtered, err := proj.CloneWithHAKNames([]string{"sow_core", "sow_item"})
+	if err != nil {
+		t.Fatalf("CloneWithHAKNames returned error: %v", err)
+	}
+
+	if filtered == proj {
+		t.Fatalf("expected filtered clone, got original pointer")
+	}
+
+	got := make([]string, 0, len(filtered.Config.HAKs))
+	for _, hak := range filtered.Config.HAKs {
+		got = append(got, hak.Name)
+	}
+	want := []string{"sow_core", "sow_item"}
+	if !slices.Equal(got, want) {
+		t.Fatalf("unexpected filtered haks: got %v want %v", got, want)
+	}
+
+	if len(proj.Config.HAKs) != 3 {
+		t.Fatalf("original project config should remain unchanged, got %d haks", len(proj.Config.HAKs))
+	}
+}
+
+func TestCloneWithHAKNamesRejectsUnknownHAKs(t *testing.T) {
+	proj := &Project{
+		Config: Config{
+			HAKs: []HAKConfig{
+				{Name: "sow_core", Priority: 1, Include: []string{"core/**"}},
+			},
+		},
+	}
+
+	if _, err := proj.CloneWithHAKNames([]string{"missing_hak"}); err == nil {
+		t.Fatal("expected error for unknown hak name")
+	}
+}