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// Copyright 2014 Canonical Ltd.
// Licensed under the LGPLv3, see LICENCE file for details.
package loggo
import (
"path"
"sync"
)
// TestWriter is a useful Writer for testing purposes. Each component of the
// logging message is stored in the Log array.
type TestWriter struct {
mu sync.Mutex
log []Entry
}
// Write saves the params as members in the TestLogValues struct appended to the Log array.
func (writer *TestWriter) Write(entry Entry) {
writer.mu.Lock()
defer writer.mu.Unlock()
entry.Filename = path.Base(entry.Filename)
writer.log = append(writer.log, entry)
}
// Clear removes any saved log messages.
func (writer *TestWriter) Clear() {
writer.mu.Lock()
defer writer.mu.Unlock()
writer.log = nil
}
// Log returns a copy of the current logged values.
func (writer *TestWriter) Log() []Entry {
writer.mu.Lock()
defer writer.mu.Unlock()
v := make([]Entry, len(writer.log))
copy(v, writer.log)
return v
}
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