testutils

func AssertStringContainsOneOf ¶ added in v0.19.0

func AssertStringContainsOneOf(t *testing.T, str string, ss ...string)

func DeterministicRandomReader ¶ added in v0.35.0

func DeterministicRandomReader(sizeStr string, seed string) (io.Reader, error)

createRandomReader produces specified number of pseudo-random bytes from a seed.

func FindUp ¶

func FindUp(name, dir string) string

Searches for a file in a dir, then the parent dir, etc. If the file is not found, an empty string is returned.

func FloatTruncate ¶ added in v0.21.0

func FloatTruncate(value float64, decimalPlaces int) float64

func ForEachPar ¶ added in v0.19.0

func ForEachPar[T any](s []T, f func(T))

ForEachPar invokes f in a new goroutine for each element of s and waits for all to complete.

func MustOpen ¶

func MustOpen(name string) *os.File

func PreviewStr ¶

func PreviewStr(s string) string

PreviewStr returns a preview of s, which is a prefix for logging that avoids dumping a huge string to logs.

func RequiresDocker ¶

func RequiresDocker(t *testing.T)

func RequiresExpensive ¶

func RequiresExpensive(t *testing.T)

func RequiresFUSE ¶

func RequiresFUSE(t *testing.T)

func RequiresLinux ¶

func RequiresLinux(t *testing.T)

func RequiresPlugins ¶

func RequiresPlugins(t *testing.T)

func SplitLines ¶

func SplitLines(s string) []string

func StrCat ¶

func StrCat(args ...interface{}) []string

StrCat takes a bunch of strings or string slices and concats them all together into one string slice. If an arg is not one of those types, this panics. If an arg is an empty string, it is dropped.

func ToJSONStr ¶

func ToJSONStr(m JSONObj) string

func URLStrToMultiaddr ¶

func URLStrToMultiaddr(u string) multiaddr.Multiaddr

URLStrToMultiaddr converts a URL string like http://localhost:80 to a multiaddr.