DirHash returns a hash of all files attributes and their content within a directory.

NewCallbackCloser returns a Closer that calls the provided function upon closing.

NewLogger returns a gokit compatible Logger which calls t.Log.

NewRoundTripCheckRequest creates a new instance of a type that implements http.RoundTripper, which before returning theResponse and theError, executes checkRequest against a http.Request.

NewTemporaryDirectory creates a new temporary directory for transient POSIX activities.

TolerantVerifyLeak verifies go leaks but excludes the go routines that are launched as side effects of some of our dependencies.

NilCloser is a no-op Closer.

A MockContext provides a simple stub implementation of a Context.