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Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/go.uber.org/zap@v1.23.0/internal/ztest/writer.go | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/internal/ztest/writer.go b/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/internal/ztest/writer.go new file mode 100644 index 0000000..f54d856 --- /dev/null +++ b/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/internal/ztest/writer.go @@ -0,0 +1,96 @@ +// Copyright (c) 2016 Uber Technologies, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +package ztest + +import ( + "bytes" + "errors" + "io" + "strings" +) + +// A Syncer is a spy for the Sync portion of zapcore.WriteSyncer. +type Syncer struct { + err error + called bool +} + +// SetError sets the error that the Sync method will return. +func (s *Syncer) SetError(err error) { + s.err = err +} + +// Sync records that it was called, then returns the user-supplied error (if +// any). +func (s *Syncer) Sync() error { + s.called = true + return s.err +} + +// Called reports whether the Sync method was called. +func (s *Syncer) Called() bool { + return s.called +} + +// A Discarder sends all writes to io.Discard. +type Discarder struct{ Syncer } + +// Write implements io.Writer. +func (d *Discarder) Write(b []byte) (int, error) { + return io.Discard.Write(b) +} + +// FailWriter is a WriteSyncer that always returns an error on writes. +type FailWriter struct{ Syncer } + +// Write implements io.Writer. +func (w FailWriter) Write(b []byte) (int, error) { + return len(b), errors.New("failed") +} + +// ShortWriter is a WriteSyncer whose write method never fails, but +// nevertheless fails to the last byte of the input. +type ShortWriter struct{ Syncer } + +// Write implements io.Writer. +func (w ShortWriter) Write(b []byte) (int, error) { + return len(b) - 1, nil +} + +// Buffer is an implementation of zapcore.WriteSyncer that sends all writes to +// a bytes.Buffer. It has convenience methods to split the accumulated buffer +// on newlines. +type Buffer struct { + bytes.Buffer + Syncer +} + +// Lines returns the current buffer contents, split on newlines. +func (b *Buffer) Lines() []string { + output := strings.Split(b.String(), "\n") + return output[:len(output)-1] +} + +// Stripped returns the current buffer contents with the last trailing newline +// stripped. +func (b *Buffer) Stripped() string { + return strings.TrimRight(b.String(), "\n") +} |