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logging_test.go
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logging_test.go
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// Copyright 2012, 2013 Canonical Ltd.
// Licensed under the LGPLv3, see LICENSE file for details.
package cmd_test
import (
"io/ioutil"
"path/filepath"
"github.com/juju/loggo/v2"
"github.com/juju/testing"
gc "gopkg.in/check.v1"
"github.com/juju/cmd/v4"
"github.com/juju/cmd/v4/cmdtesting"
)
var logger = loggo.GetLogger("juju.test")
type LogSuite struct {
testing.LoggingCleanupSuite
}
var _ = gc.Suite(&LogSuite{})
func newLogWithFlags(c *gc.C, defaultConfig string, flags ...string) *cmd.Log {
log := &cmd.Log{
DefaultConfig: defaultConfig,
}
flagSet := cmdtesting.NewFlagSet()
log.AddFlags(flagSet)
err := flagSet.Parse(false, flags)
c.Assert(err, gc.IsNil)
return log
}
func (s *LogSuite) TestNoFlags(c *gc.C) {
log := newLogWithFlags(c, "")
c.Assert(log.Path, gc.Equals, "")
c.Assert(log.Quiet, gc.Equals, false)
c.Assert(log.Verbose, gc.Equals, false)
c.Assert(log.Debug, gc.Equals, false)
c.Assert(log.Config, gc.Equals, "")
}
func (s *LogSuite) TestFlags(c *gc.C) {
log := newLogWithFlags(c, "", "--log-file", "foo", "--verbose", "--debug", "--show-log",
"--logging-config=juju.cmd=INFO;juju.worker.deployer=DEBUG")
c.Assert(log.Path, gc.Equals, "foo")
c.Assert(log.Verbose, gc.Equals, true)
c.Assert(log.Debug, gc.Equals, true)
c.Assert(log.ShowLog, gc.Equals, true)
c.Assert(log.Config, gc.Equals, "juju.cmd=INFO;juju.worker.deployer=DEBUG")
}
func (s *LogSuite) TestLogConfigFromDefault(c *gc.C) {
config := "juju.cmd=INFO;juju.worker.deployer=DEBUG"
log := newLogWithFlags(c, config)
log.DefaultConfig = config
c.Assert(log.Path, gc.Equals, "")
c.Assert(log.Verbose, gc.Equals, false)
c.Assert(log.Debug, gc.Equals, false)
c.Assert(log.Config, gc.Equals, config)
}
func (s *LogSuite) TestDebugSetsLogLevel(c *gc.C) {
l := &cmd.Log{Debug: true}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
c.Assert(loggo.GetLogger("").LogLevel(), gc.Equals, loggo.DEBUG)
c.Assert(cmdtesting.Stderr(ctx), gc.Equals, "")
c.Assert(cmdtesting.Stdout(ctx), gc.Equals, "")
}
func (s *LogSuite) TestShowLogSetsLogLevel(c *gc.C) {
l := &cmd.Log{ShowLog: true}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
c.Assert(loggo.GetLogger("").LogLevel(), gc.Equals, loggo.INFO)
c.Assert(cmdtesting.Stderr(ctx), gc.Equals, "")
c.Assert(cmdtesting.Stdout(ctx), gc.Equals, "")
}
func (s *LogSuite) TestStderr(c *gc.C) {
l := &cmd.Log{ShowLog: true, Config: "<root>=INFO"}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
logger.Infof("hello")
c.Assert(cmdtesting.Stderr(ctx), gc.Matches, `^.* INFO .* hello\n`)
}
func (s *LogSuite) TestRelPathLog(c *gc.C) {
l := &cmd.Log{Path: "foo.log", Config: "<root>=INFO"}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
logger.Infof("hello")
content, err := ioutil.ReadFile(filepath.Join(ctx.Dir, "foo.log"))
c.Assert(err, gc.IsNil)
c.Assert(string(content), gc.Matches, `^.* INFO .* hello\n`)
c.Assert(cmdtesting.Stderr(ctx), gc.Equals, "")
c.Assert(cmdtesting.Stdout(ctx), gc.Equals, "")
}
func (s *LogSuite) TestAbsPathLog(c *gc.C) {
path := filepath.Join(c.MkDir(), "foo.log")
l := &cmd.Log{Path: path, Config: "<root>=INFO"}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
logger.Infof("hello")
c.Assert(cmdtesting.Stderr(ctx), gc.Equals, "")
content, err := ioutil.ReadFile(path)
c.Assert(err, gc.IsNil)
c.Assert(string(content), gc.Matches, `^.* INFO .* hello\n`)
}
func (s *LogSuite) TestLoggingToFileAndStderr(c *gc.C) {
l := &cmd.Log{Path: "foo.log", Config: "<root>=INFO", ShowLog: true}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
logger.Infof("hello")
content, err := ioutil.ReadFile(filepath.Join(ctx.Dir, "foo.log"))
c.Assert(err, gc.IsNil)
c.Assert(string(content), gc.Matches, `^.* INFO .* hello\n`)
c.Assert(cmdtesting.Stderr(ctx), gc.Matches, `^.* INFO .* hello\n`)
c.Assert(cmdtesting.Stdout(ctx), gc.Equals, "")
}
func (s *LogSuite) TestErrorAndWarningLoggingToStderr(c *gc.C) {
// Error and warning go to stderr even with ShowLog=false
l := &cmd.Log{Config: "<root>=INFO", ShowLog: false}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
logger.Warningf("a warning")
logger.Errorf("an error")
logger.Infof("an info")
c.Assert(cmdtesting.Stderr(ctx), gc.Matches, `^.*WARNING a warning\n.*ERROR an error\n.*`)
c.Assert(cmdtesting.Stdout(ctx), gc.Equals, "")
}
func (s *LogSuite) TestQuietAndVerbose(c *gc.C) {
l := &cmd.Log{Verbose: true, Quiet: true}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.ErrorMatches, `"verbose" and "quiet" flags clash, please use one or the other, not both`)
}
func (s *LogSuite) TestOutputDefault(c *gc.C) {
l := &cmd.Log{}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
ctx.Infof("Writing info output")
ctx.Verbosef("Writing verbose output")
c.Assert(cmdtesting.Stderr(ctx), gc.Equals, "Writing info output\n")
}
func (s *LogSuite) TestOutputVerbose(c *gc.C) {
l := &cmd.Log{Verbose: true}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
ctx.Infof("Writing info output")
ctx.Verbosef("Writing verbose output")
c.Assert(cmdtesting.Stderr(ctx), gc.Equals, "Writing info output\nWriting verbose output\n")
}
func (s *LogSuite) TestOutputQuiet(c *gc.C) {
l := &cmd.Log{Quiet: true}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
ctx.Infof("Writing info output")
ctx.Verbosef("Writing verbose output")
c.Assert(cmdtesting.Stderr(ctx), gc.Equals, "")
}
func (s *LogSuite) TestOutputQuietLogs(c *gc.C) {
l := &cmd.Log{Quiet: true, Path: "foo.log", Config: "<root>=INFO"}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
ctx.Infof("Writing info output")
ctx.Verbosef("Writing verbose output")
content, err := ioutil.ReadFile(filepath.Join(ctx.Dir, "foo.log"))
c.Assert(err, gc.IsNil)
c.Assert(cmdtesting.Stderr(ctx), gc.Equals, "")
c.Assert(string(content), gc.Matches, `^.*INFO .* Writing info output\n.*INFO .*Writing verbose output\n.*`)
}
func (s *LogSuite) TestOutputDefaultLogsVerbose(c *gc.C) {
l := &cmd.Log{Path: "foo.log", Config: "<root>=INFO"}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
ctx.Infof("Writing info output")
ctx.Verbosef("Writing verbose output")
content, err := ioutil.ReadFile(filepath.Join(ctx.Dir, "foo.log"))
c.Assert(err, gc.IsNil)
c.Assert(cmdtesting.Stderr(ctx), gc.Equals, "Writing info output\n")
c.Assert(string(content), gc.Matches, `^.*INFO .*Writing verbose output\n.*`)
}
func (s *LogSuite) TestOutputDebugForcesQuiet(c *gc.C) {
l := &cmd.Log{Verbose: true, Debug: true}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
ctx.Infof("Writing info output")
ctx.Verbosef("Writing verbose output")
c.Assert(cmdtesting.Stderr(ctx), gc.Matches, `^.*INFO .* Writing info output\n.*INFO .*Writing verbose output\n.*`)
}
func (s *LogSuite) TestOutputWarning(c *gc.C) {
l := &cmd.Log{Verbose: true, Debug: true}
ctx := cmdtesting.Context(c)
err := l.Start(ctx)
c.Assert(err, gc.IsNil)
ctx.Warningf("Writing warning output")
c.Assert(cmdtesting.Stderr(ctx), gc.Matches, `^.* WARN .* Writing warning output\n.*`)
}