kubernetes/cmd/kubeadm/test/util.go

// SetupTempDir is a utility function for kubeadm testing, that creates a temporary directory
// NB. it is up to the caller to cleanup the folder at the end of the test with defer os.RemoveAll(tmpdir)
func SetupTempDir(t *testing.T) string { … }

// SetupEmptyFiles is a utility function for kubeadm testing that creates one or more empty files (touch)
func SetupEmptyFiles(t *testing.T, tmpdir string, fileNames ...string) { … }

// SetupPkiDirWithCertificateAuthority is a utility function for kubeadm testing that creates a
// CertificateAuthority cert/key pair into /pki subfolder of a given temporary directory.
// The function returns the path of the created pki.
func SetupPkiDirWithCertificateAuthority(t *testing.T, tmpdir string) string { … }

// AssertFilesCount is a utility function for kubeadm testing that asserts if the given folder contains
// count files.
func AssertFilesCount(t *testing.T, dirName string, count int) { … }

// AssertFileExists is a utility function for kubeadm testing that asserts if the given folder contains
// the given files.
func AssertFileExists(t *testing.T, dirName string, fileNames ...string) { … }

// AssertError checks that the provided error matches the expected output
func AssertError(t *testing.T, err error, expected string) { … }

// GetDefaultInternalConfig returns a defaulted kubeadmapi.InitConfiguration
func GetDefaultInternalConfig(t *testing.T) *kubeadmapi.InitConfiguration { … }