github.com/altoros/juju-vmware@v0.0.0-20150312064031-f19ae857ccca/worker/cleaner/cleaner_test.go (about)

     1  // Copyright 2013 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package cleaner_test
     5  
     6  import (
     7  	stdtesting "testing"
     8  	"time"
     9  
    10  	jc "github.com/juju/testing/checkers"
    11  	gc "gopkg.in/check.v1"
    12  
    13  	"github.com/juju/juju/juju/testing"
    14  	coretesting "github.com/juju/juju/testing"
    15  	"github.com/juju/juju/worker"
    16  	"github.com/juju/juju/worker/cleaner"
    17  )
    18  
    19  func TestPackage(t *stdtesting.T) {
    20  	coretesting.MgoTestPackage(t)
    21  }
    22  
    23  type CleanerSuite struct {
    24  	testing.JujuConnSuite
    25  }
    26  
    27  var _ = gc.Suite(&CleanerSuite{})
    28  
    29  var _ worker.NotifyWatchHandler = (*cleaner.Cleaner)(nil)
    30  
    31  func (s *CleanerSuite) TestCleaner(c *gc.C) {
    32  	cr := cleaner.NewCleaner(s.State)
    33  	defer func() { c.Assert(worker.Stop(cr), gc.IsNil) }()
    34  
    35  	needed, err := s.State.NeedsCleanup()
    36  	c.Assert(err, jc.ErrorIsNil)
    37  	c.Assert(needed, jc.IsFalse)
    38  
    39  	s.AddTestingService(c, "wordpress", s.AddTestingCharm(c, "wordpress"))
    40  	s.AddTestingService(c, "mysql", s.AddTestingCharm(c, "mysql"))
    41  	eps, err := s.State.InferEndpoints("wordpress", "mysql")
    42  	c.Assert(err, jc.ErrorIsNil)
    43  	relM, err := s.State.AddRelation(eps...)
    44  	c.Assert(err, jc.ErrorIsNil)
    45  
    46  	needed, err = s.State.NeedsCleanup()
    47  	c.Assert(err, jc.ErrorIsNil)
    48  	c.Assert(needed, jc.IsFalse)
    49  
    50  	// Observe destroying of the relation with a watcher.
    51  	cw := s.State.WatchCleanups()
    52  	defer func() { c.Assert(cw.Stop(), gc.IsNil) }()
    53  
    54  	err = relM.Destroy()
    55  	c.Assert(err, jc.ErrorIsNil)
    56  
    57  	timeout := time.After(coretesting.LongWait)
    58  	for {
    59  		s.State.StartSync()
    60  		select {
    61  		case <-time.After(coretesting.ShortWait):
    62  			continue
    63  		case <-timeout:
    64  			c.Fatalf("timed out waiting for cleanup")
    65  		case <-cw.Changes():
    66  			needed, err = s.State.NeedsCleanup()
    67  			c.Assert(err, jc.ErrorIsNil)
    68  			if needed {
    69  				continue
    70  			}
    71  		}
    72  		break
    73  	}
    74  }