matcher

type Differ interface {
	// DeleteUpdateOperations marks the provided refs as seen and processed.
	DeleteUpdateOperations(context.Context, ...uuid.UUID) error
	// UpdateDiff reports the differences between the provided refs.
	//
	// "Prev" can be `uuid.Nil` to indicate "earliest known ref."
	UpdateDiff(_ context.Context, prev, cur uuid.UUID) (*driver.UpdateDiff, error)
	// UpdateOperations returns all the known UpdateOperations per updater.
	UpdateOperations(context.Context, ...string) (map[string][]driver.UpdateOperation, error)
	// LatestUpdateOperations returns the most recent UpdateOperation per updater.
	LatestUpdateOperations(context.Context) (map[string][]driver.UpdateOperation, error)
	// LatestUpdateOperation returns a ref for the most recent update operation
	// across all updaters.
	LatestUpdateOperation(context.Context) (uuid.UUID, error)
}

type Mock struct {
	DeleteUpdateOperations_ func(context.Context, ...uuid.UUID) error
	UpdateOperations_       func(context.Context, ...string) (map[string][]driver.UpdateOperation, error)
	LatestUpdateOperation_  func(context.Context) (uuid.UUID, error)
	LatestUpdateOperations_ func(context.Context) (map[string][]driver.UpdateOperation, error)
	UpdateDiff_             func(context.Context, uuid.UUID, uuid.UUID) (*driver.UpdateDiff, error)
	Scan_                   func(context.Context, *claircore.IndexReport) (*claircore.VulnerabilityReport, error)
	// TestUOs provide memory for the mock.
	// usage of this field can be dictated by the test case's needs.
	sync.Mutex
	TestUOs map[string][]driver.UpdateOperation
}

type Scanner interface {
	Scan(ctx context.Context, ir *claircore.IndexReport) (*claircore.VulnerabilityReport, error)
}

type Service interface {
	Scanner
	Differ
}