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// Copyright 2012-2014 Canonical Ltd.
// Licensed under the LGPLv3, see LICENCE file for details.
package testing
import (
"flag"
"fmt"
"os"
"path/filepath"
"github.com/juju/loggo/v2"
gc "gopkg.in/check.v1"
)
var logLocation = flag.Bool("loggo.location", false, "Also log the location of the loggo call")
// LoggingSuite redirects the juju logger to the test logger
// when embedded in a gocheck suite type.
type LoggingSuite struct{}
type gocheckWriter struct {
c *gc.C
}
var logConfig = func() string {
if cfg := os.Getenv("TEST_LOGGING_CONFIG"); cfg != "" {
return cfg
}
return "DEBUG"
}()
func (w *gocheckWriter) Write(entry loggo.Entry) {
filename := filepath.Base(entry.Filename)
var message string
if *logLocation {
message = fmt.Sprintf("%s %s %s:%d %s", entry.Level, entry.Module, filename, entry.Line, entry.Message)
} else {
message = fmt.Sprintf("%s %s %s", entry.Level, entry.Module, entry.Message)
}
// Magic calldepth value...
// The value says "how far up the call stack do we go to find the location".
// It is used to match the standard library log function, and isn't actually
// used by gocheck.
w.c.Output(3, message)
}
func (s *LoggingSuite) SetUpSuite(c *gc.C) {
s.setUp(c)
}
func (s *LoggingSuite) TearDownSuite(c *gc.C) {
loggo.ResetLogging()
}
func (s *LoggingSuite) SetUpTest(c *gc.C) {
s.setUp(c)
}
func (s *LoggingSuite) TearDownTest(c *gc.C) {
}
type discardWriter struct{}
func (discardWriter) Write(entry loggo.Entry) {
}
func (s *LoggingSuite) setUp(c *gc.C) {
loggo.ResetLogging()
// Don't use the default writer for the test logging, which
// means we can still get logging output from tests that
// replace the default writer.
loggo.RegisterWriter(loggo.DefaultWriterName, discardWriter{})
loggo.RegisterWriter("loggingsuite", &gocheckWriter{c})
err := loggo.ConfigureLoggers(logConfig)
c.Assert(err, gc.IsNil)
}
// LoggingCleanupSuite is defined for backward compatibility.
// Do not use this suite in new tests.
type LoggingCleanupSuite struct {
LoggingSuite
CleanupSuite
}
func (s *LoggingCleanupSuite) SetUpSuite(c *gc.C) {
s.CleanupSuite.SetUpSuite(c)
s.LoggingSuite.SetUpSuite(c)
}
func (s *LoggingCleanupSuite) TearDownSuite(c *gc.C) {
s.LoggingSuite.TearDownSuite(c)
s.CleanupSuite.TearDownSuite(c)
}
func (s *LoggingCleanupSuite) SetUpTest(c *gc.C) {
s.CleanupSuite.SetUpTest(c)
s.LoggingSuite.SetUpTest(c)
}
func (s *LoggingCleanupSuite) TearDownTest(c *gc.C) {
s.CleanupSuite.TearDownTest(c)
s.LoggingSuite.TearDownTest(c)
}
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