kubernetes/staging/src/k8s.io/apimachinery/pkg/util/managedfields/managedfieldstest/testfieldmanager.go

type TestFieldManager …

// NewTestFieldManager returns a new TestFieldManager built for the
// given gvk, on the main resource.
func NewTestFieldManager(typeConverter managedfields.TypeConverter, gvk schema.GroupVersionKind) TestFieldManager { … }

// NewTestFieldManagerSubresource returns a new TestFieldManager built
// for the given gvk, on the given sub-resource.
func NewTestFieldManagerSubresource(typeConverter managedfields.TypeConverter, gvk schema.GroupVersionKind, subresource string) TestFieldManager { … }

// NewFakeFieldManager creates an actual FieldManager but that doesn't
// perform any conversion. This is just a convenience for tests to
// create an actual manager that they can use but in very restricted
// ways.
//
// This is different from the TestFieldManager because it's not meant to
// assert values, or hold the state, this acts like a normal
// FieldManager.
//
// Also, this only operates on the main-resource, and sub-resource can't
// be configured.
func NewFakeFieldManager(typeConverter managedfields.TypeConverter, gvk schema.GroupVersionKind) *managedfields.FieldManager { … }