testhelper

Documentation

Index

• func Error() error
• func HijackStandardStreams(stdin, stdout, stderr *os.File, do func())
• func NewAlwaysErrFS(err error) fs.FS
• func NewAlwaysFailReader(err error) io.Reader
• func TestFixtures[TestCase, Expected any](t *testing.T, dir string, createTestSpec func() TestCase, ...)
• type AlwaysErrFS
  • func (fs AlwaysErrFS) Open(name string) (fs.File, error)

Functions

func Error

func Error() error

Error returns an internal error for testing

func HijackStandardStreams

func HijackStandardStreams(stdin, stdout, stderr *os.File, do func())

func NewAlwaysErrFS

func NewAlwaysErrFS(err error) fs.FS

NewAlwaysErrFS creates an fs.FS that always fail at Open() call with provided err

if err is nil, fs.ErrInvalid is returned by default

func NewAlwaysFailReader

func NewAlwaysFailReader(err error) io.Reader

NewAlwaysFailReader creates an reader already fail on Read() call with provided err

if err is nil, an io.ErrUnexpectedEOF is returned by default

func TestFixtures

func TestFixtures[TestCase, Expected any](
	t *testing.T,
	dir string,
	createTestSpec func() TestCase,
	createExpected func() Expected,
	check func(t *testing.T, spec TestCase, exp Expected),
)

TestFixtures run tests using multi-doc yaml file

# first doc is the test spec some_args: ... spec:

a: b

--- # second doc is the expected result c: d

Types

type AlwaysErrFS

type AlwaysErrFS struct {
	// contains filtered or unexported fields
}

func (AlwaysErrFS) Open

func (fs AlwaysErrFS) Open(name string) (fs.File, error)