github.com/mattyw/juju@v0.0.0-20140610034352-732aecd63861/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  	gc "launchpad.net/gocheck"
    11  
    12  	"github.com/juju/juju/juju/testing"
    13  	coretesting "github.com/juju/juju/testing"
    14  	"github.com/juju/juju/worker"
    15  	"github.com/juju/juju/worker/cleaner"
    16  )
    17  
    18  func TestPackage(t *stdtesting.T) {
    19  	coretesting.MgoTestPackage(t)
    20  }
    21  
    22  type CleanerSuite struct {
    23  	testing.JujuConnSuite
    24  }
    25  
    26  var _ = gc.Suite(&CleanerSuite{})
    27  
    28  var _ worker.NotifyWatchHandler = (*cleaner.Cleaner)(nil)
    29  
    30  func (s *CleanerSuite) TestCleaner(c *gc.C) {
    31  	cr := cleaner.NewCleaner(s.State)
    32  	defer func() { c.Assert(worker.Stop(cr), gc.IsNil) }()
    33  
    34  	needed, err := s.State.NeedsCleanup()
    35  	c.Assert(err, gc.IsNil)
    36  	c.Assert(needed, gc.Equals, false)
    37  
    38  	s.AddTestingService(c, "wordpress", s.AddTestingCharm(c, "wordpress"))
    39  	s.AddTestingService(c, "mysql", s.AddTestingCharm(c, "mysql"))
    40  	eps, err := s.State.InferEndpoints([]string{"wordpress", "mysql"})
    41  	c.Assert(err, gc.IsNil)
    42  	relM, err := s.State.AddRelation(eps...)
    43  	c.Assert(err, gc.IsNil)
    44  
    45  	needed, err = s.State.NeedsCleanup()
    46  	c.Assert(err, gc.IsNil)
    47  	c.Assert(needed, gc.Equals, false)
    48  
    49  	// Observe destroying of the relation with a watcher.
    50  	cw := s.State.WatchCleanups()
    51  	defer func() { c.Assert(cw.Stop(), gc.IsNil) }()
    52  
    53  	err = relM.Destroy()
    54  	c.Assert(err, gc.IsNil)
    55  
    56  	timeout := time.After(coretesting.LongWait)
    57  	for {
    58  		s.State.StartSync()
    59  		select {
    60  		case <-time.After(coretesting.ShortWait):
    61  			continue
    62  		case <-timeout:
    63  			c.Fatalf("timed out waiting for cleanup")
    64  		case <-cw.Changes():
    65  			needed, err = s.State.NeedsCleanup()
    66  			c.Assert(err, gc.IsNil)
    67  			if needed {
    68  				continue
    69  			}
    70  		}
    71  		break
    72  	}
    73  }