feat: nvme disk on m6

internal/config/config_test.go

@@ -1,6 +1,10 @@
 package config
 
-import "testing"
+import (
+	"testing"
+
+	"github.com/getcompanion-ai/computer-host/internal/firecracker"
+)
 
 func TestLoadDiskCloneModeDefaultsToReflink(t *testing.T) {
 	t.Parallel()
@@ -38,3 +42,73 @@ func TestDiskCloneModeValidate(t *testing.T) {
 		})
 	}
 }
+
+func TestLoadDriveIOEngineDefaultsToSync(t *testing.T) {
+	t.Parallel()
+
+	if got := loadDriveIOEngine(""); got != firecracker.DriveIOEngineSync {
+		t.Fatalf("drive io engine = %q, want %q", got, firecracker.DriveIOEngineSync)
+	}
+}
+
+func TestValidateDriveIOEngine(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name    string
+		engine  firecracker.DriveIOEngine
+		wantErr bool
+	}{
+		{name: "sync", engine: firecracker.DriveIOEngineSync},
+		{name: "async", engine: firecracker.DriveIOEngineAsync},
+		{name: "empty", engine: "", wantErr: true},
+		{name: "unknown", engine: "Aio", wantErr: true},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			err := validateDriveIOEngine(tt.engine)
+			if tt.wantErr && err == nil {
+				t.Fatal("validateDriveIOEngine() error = nil, want error")
+			}
+			if !tt.wantErr && err != nil {
+				t.Fatalf("validateDriveIOEngine() error = %v, want nil", err)
+			}
+		})
+	}
+}
+
+func TestLoadBool(t *testing.T) {
+	tests := []struct {
+		name    string
+		value   string
+		want    bool
+		wantErr bool
+	}{
+		{name: "default"},
+		{name: "true", value: "true", want: true},
+		{name: "false", value: "false"},
+		{name: "one", value: "1", want: true},
+		{name: "invalid", value: "enabled", wantErr: true},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			envName := "TEST_FIRECRACKER_BOOL"
+			t.Setenv(envName, tt.value)
+
+			got, err := loadBool(envName)
+			if tt.wantErr && err == nil {
+				t.Fatal("loadBool() error = nil, want error")
+			}
+			if !tt.wantErr && err != nil {
+				t.Fatalf("loadBool() error = %v, want nil", err)
+			}
+			if got != tt.want {
+				t.Fatalf("loadBool() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}