const (
	FeatureCacheExport          = "cache_export"
	FeatureCacheImport          = "cache_import"
	FeatureCacheBackendAzblob   = "cache_backend_azblob"
	FeatureCacheBackendGha      = "cache_backend_gha"
	FeatureCacheBackendInline   = "cache_backend_inline"
	FeatureCacheBackendLocal    = "cache_backend_local"
	FeatureCacheBackendRegistry = "cache_backend_registry"
	FeatureCacheBackendS3       = "cache_backend_s3"
	FeatureDirectPush           = "direct_push"
	FeatureFrontendOutline      = "frontend_outline"
	FeatureFrontendTargets      = "frontend_targets"
	FeatureImageExporter        = "image_exporter"
	FeatureInfo                 = "info"
	FeatureMergeDiff            = "merge_diff"
	FeatureMultiCacheExport     = "multi_cache_export"
	FeatureMultiPlatform        = "multi_platform"
	FeatureOCIExporter          = "oci_exporter"
	FeatureOCILayout            = "oci_layout"
	FeatureProvenance           = "provenance"
	FeatureSBOM                 = "sbom"
	FeatureSecurityMode         = "security_mode"
	FeatureSourceDateEpoch      = "source_date_epoch"
	FeatureCNINetwork           = "cni_network"
)

var ErrRequirements = errors.Errorf("missing requirements")

type Backend interface {
	Address() string
	ContainerdAddress() string
	Rootless() bool
	Snapshotter() string
}

type BackendConfig struct {
	Logs       map[string]*bytes.Buffer
	ConfigFile string
}

type ConfigUpdater interface {
	UpdateConfigFile(string) string
}

type Sandbox interface {
	Backend

	Context() context.Context
	Cmd(...string) *exec.Cmd
	PrintLogs(*testing.T)
	ClearLogs()
	NewRegistry() (string, error)
	Value(string) interface{} // chosen matrix value
	Name() string
}

type Test interface {
	Name() string
	Run(t *testing.T, sb Sandbox)
}

type TestOpt func(*testConf)

type Worker interface {
	New(context.Context, *BackendConfig) (Backend, func() error, error)
	Name() string
	Rootless() bool
}