From abfeec5eb0356d1ac91a097d2124a6b7c8cfccd4 Mon Sep 17 00:00:00 2001 From: Carlos Alexandro Becker Date: Sun, 16 Aug 2020 21:58:40 +0000 Subject: testing/iotest: add ErrReader Adds an io.Reader that always returns 0 and a non-nil error. Fixes #38781 Change-Id: I56bd124de07bc8809e77c6cfaab33a1e32cfe2ee GitHub-Last-Rev: 4e232b17e9120405d4ea4743350ee361a3505043 GitHub-Pull-Request: golang/go#34741 Reviewed-on: https://go-review.googlesource.com/c/go/+/199501 Run-TryBot: Emmanuel Odeke TryBot-Result: Gobot Gobot Reviewed-by: Emmanuel Odeke --- src/testing/iotest/reader.go | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'src/testing/iotest/reader.go') diff --git a/src/testing/iotest/reader.go b/src/testing/iotest/reader.go index 8d82018fd6..b18e912f27 100644 --- a/src/testing/iotest/reader.go +++ b/src/testing/iotest/reader.go @@ -68,6 +68,7 @@ func (r *dataErrReader) Read(p []byte) (n int, err error) { return } +// ErrTimeout is a fake timeout error. var ErrTimeout = errors.New("timeout") // TimeoutReader returns ErrTimeout on the second read @@ -86,3 +87,17 @@ func (r *timeoutReader) Read(p []byte) (int, error) { } return r.r.Read(p) } + +// ErrIO is a fake IO error. +var ErrIO = errors.New("io") + +// ErrReader returns a fake error every time it is read from. +func ErrReader() io.Reader { + return errReader(0) +} + +type errReader int + +func (r errReader) Read(p []byte) (int, error) { + return 0, ErrIO +} -- cgit v1.3-5-g9baa