github.com/altoros/juju-vmware@v0.0.0-20150312064031-f19ae857ccca/apiserver/logger/logger_test.go (about)

     1  // Copyright 2013 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package logger_test
     5  
     6  import (
     7  	"github.com/juju/names"
     8  	jc "github.com/juju/testing/checkers"
     9  	gc "gopkg.in/check.v1"
    10  
    11  	"github.com/juju/juju/apiserver/common"
    12  	"github.com/juju/juju/apiserver/logger"
    13  	"github.com/juju/juju/apiserver/params"
    14  	apiservertesting "github.com/juju/juju/apiserver/testing"
    15  	jujutesting "github.com/juju/juju/juju/testing"
    16  	"github.com/juju/juju/state"
    17  	statetesting "github.com/juju/juju/state/testing"
    18  )
    19  
    20  type loggerSuite struct {
    21  	jujutesting.JujuConnSuite
    22  
    23  	// These are raw State objects. Use them for setup and assertions, but
    24  	// should never be touched by the API calls themselves
    25  	rawMachine *state.Machine
    26  	logger     *logger.LoggerAPI
    27  	resources  *common.Resources
    28  	authorizer apiservertesting.FakeAuthorizer
    29  }
    30  
    31  var _ = gc.Suite(&loggerSuite{})
    32  
    33  func (s *loggerSuite) SetUpTest(c *gc.C) {
    34  	s.JujuConnSuite.SetUpTest(c)
    35  	s.resources = common.NewResources()
    36  	s.AddCleanup(func(_ *gc.C) { s.resources.StopAll() })
    37  
    38  	// Create a machine to work with
    39  	var err error
    40  	s.rawMachine, err = s.State.AddMachine("quantal", state.JobHostUnits)
    41  	c.Assert(err, jc.ErrorIsNil)
    42  
    43  	// The default auth is as the machine agent
    44  	s.authorizer = apiservertesting.FakeAuthorizer{
    45  		Tag: s.rawMachine.Tag(),
    46  	}
    47  	s.logger, err = logger.NewLoggerAPI(s.State, s.resources, s.authorizer)
    48  	c.Assert(err, jc.ErrorIsNil)
    49  }
    50  
    51  func (s *loggerSuite) TestNewLoggerAPIRefusesNonAgent(c *gc.C) {
    52  	// We aren't even a machine agent
    53  	anAuthorizer := s.authorizer
    54  	anAuthorizer.Tag = s.AdminUserTag(c)
    55  	endPoint, err := logger.NewLoggerAPI(s.State, s.resources, anAuthorizer)
    56  	c.Assert(endPoint, gc.IsNil)
    57  	c.Assert(err, gc.ErrorMatches, "permission denied")
    58  }
    59  
    60  func (s *loggerSuite) TestNewLoggerAPIAcceptsUnitAgent(c *gc.C) {
    61  	// We aren't even a machine agent
    62  	anAuthorizer := s.authorizer
    63  	anAuthorizer.Tag = names.NewUnitTag("germany/7")
    64  	endPoint, err := logger.NewLoggerAPI(s.State, s.resources, anAuthorizer)
    65  	c.Assert(err, jc.ErrorIsNil)
    66  	c.Assert(endPoint, gc.NotNil)
    67  }
    68  
    69  func (s *loggerSuite) TestWatchLoggingConfigNothing(c *gc.C) {
    70  	// Not an error to watch nothing
    71  	results := s.logger.WatchLoggingConfig(params.Entities{})
    72  	c.Assert(results.Results, gc.HasLen, 0)
    73  }
    74  
    75  func (s *loggerSuite) setLoggingConfig(c *gc.C, loggingConfig string) {
    76  	err := s.State.UpdateEnvironConfig(map[string]interface{}{"logging-config": loggingConfig}, nil, nil)
    77  	c.Assert(err, jc.ErrorIsNil)
    78  	envConfig, err := s.State.EnvironConfig()
    79  	c.Assert(err, jc.ErrorIsNil)
    80  	c.Assert(envConfig.LoggingConfig(), gc.Equals, loggingConfig)
    81  }
    82  
    83  func (s *loggerSuite) TestWatchLoggingConfig(c *gc.C) {
    84  	args := params.Entities{
    85  		Entities: []params.Entity{{Tag: s.rawMachine.Tag().String()}},
    86  	}
    87  	results := s.logger.WatchLoggingConfig(args)
    88  	c.Assert(results.Results, gc.HasLen, 1)
    89  	c.Assert(results.Results[0].NotifyWatcherId, gc.Not(gc.Equals), "")
    90  	c.Assert(results.Results[0].Error, gc.IsNil)
    91  	resource := s.resources.Get(results.Results[0].NotifyWatcherId)
    92  	c.Assert(resource, gc.NotNil)
    93  
    94  	w := resource.(state.NotifyWatcher)
    95  	wc := statetesting.NewNotifyWatcherC(c, s.State, w)
    96  	wc.AssertNoChange()
    97  
    98  	newLoggingConfig := "<root>=WARN;juju.log.test=DEBUG;unit=INFO"
    99  	s.setLoggingConfig(c, newLoggingConfig)
   100  
   101  	wc.AssertOneChange()
   102  	statetesting.AssertStop(c, w)
   103  	wc.AssertClosed()
   104  }
   105  
   106  func (s *loggerSuite) TestWatchLoggingConfigRefusesWrongAgent(c *gc.C) {
   107  	// We are a machine agent, but not the one we are trying to track
   108  	args := params.Entities{
   109  		Entities: []params.Entity{{Tag: "machine-12354"}},
   110  	}
   111  	results := s.logger.WatchLoggingConfig(args)
   112  	// It is not an error to make the request, but the specific item is rejected
   113  	c.Assert(results.Results, gc.HasLen, 1)
   114  	c.Assert(results.Results[0].NotifyWatcherId, gc.Equals, "")
   115  	c.Assert(results.Results[0].Error, gc.DeepEquals, apiservertesting.ErrUnauthorized)
   116  }
   117  
   118  func (s *loggerSuite) TestLoggingConfigForNoone(c *gc.C) {
   119  	// Not an error to request nothing, dumb, but not an error.
   120  	results := s.logger.LoggingConfig(params.Entities{})
   121  	c.Assert(results.Results, gc.HasLen, 0)
   122  }
   123  
   124  func (s *loggerSuite) TestLoggingConfigRefusesWrongAgent(c *gc.C) {
   125  	args := params.Entities{
   126  		Entities: []params.Entity{{Tag: "machine-12354"}},
   127  	}
   128  	results := s.logger.LoggingConfig(args)
   129  	c.Assert(results.Results, gc.HasLen, 1)
   130  	result := results.Results[0]
   131  	c.Assert(result.Error, gc.DeepEquals, apiservertesting.ErrUnauthorized)
   132  }
   133  
   134  func (s *loggerSuite) TestLoggingConfigForAgent(c *gc.C) {
   135  	newLoggingConfig := "<root>=WARN;juju.log.test=DEBUG;unit=INFO"
   136  	s.setLoggingConfig(c, newLoggingConfig)
   137  
   138  	args := params.Entities{
   139  		Entities: []params.Entity{{Tag: s.rawMachine.Tag().String()}},
   140  	}
   141  	results := s.logger.LoggingConfig(args)
   142  	c.Assert(results.Results, gc.HasLen, 1)
   143  	result := results.Results[0]
   144  	c.Assert(result.Error, gc.IsNil)
   145  	c.Assert(result.Result, gc.Equals, newLoggingConfig)
   146  }