github.com/technosophos/deis@v1.7.1-0.20150915173815-f9005256004b/deisctl/backend/fleet/start_test.go (about)

     1  package fleet
     2  
     3  import (
     4  	"strings"
     5  	"sync"
     6  	"testing"
     7  
     8  	"github.com/coreos/fleet/schema"
     9  )
    10  
    11  var startTestUnits = []*schema.Unit{
    12  	&schema.Unit{
    13  		Name:         "deis-controller.service",
    14  		DesiredState: "loaded",
    15  	},
    16  	&schema.Unit{
    17  		Name:         "deis-builder.service",
    18  		DesiredState: "loaded",
    19  	},
    20  	&schema.Unit{
    21  		Name:         "deis-publisher.service",
    22  		DesiredState: "loaded",
    23  	},
    24  }
    25  
    26  func TestStart(t *testing.T) {
    27  	t.Parallel()
    28  
    29  	testFleetClient := stubFleetClient{testUnits: startTestUnits,
    30  		unitsMutex: &sync.Mutex{}, unitStatesMutex: &sync.Mutex{}}
    31  
    32  	c := &FleetClient{Fleet: &testFleetClient}
    33  
    34  	var errOutput string
    35  	var wg sync.WaitGroup
    36  
    37  	logMutex := sync.Mutex{}
    38  
    39  	se := newOutErr()
    40  	c.Start([]string{"controller", "builder", "publisher"}, &wg, se.out, se.ew)
    41  
    42  	wg.Wait()
    43  
    44  	logMutex.Lock()
    45  	if errOutput != "" {
    46  		t.Fatal(errOutput)
    47  	}
    48  	logMutex.Unlock()
    49  
    50  	expected := []string{"deis-controller.service", "deis-builder.service", "deis-publisher.service"}
    51  
    52  	for _, expectedUnit := range expected {
    53  		found := false
    54  
    55  		for _, unit := range testFleetClient.testUnitStates {
    56  			if unit.Name == expectedUnit {
    57  				found = true
    58  
    59  				if unit.SystemdSubState != "running" {
    60  					t.Errorf("Unit %s is %s, expected running", unit.Name, unit.SystemdSubState)
    61  				}
    62  
    63  				break
    64  			}
    65  		}
    66  
    67  		if !found {
    68  			t.Errorf("Expected Unit %s not found in Unit States", expectedUnit)
    69  		}
    70  	}
    71  }
    72  
    73  func TestStartFail(t *testing.T) {
    74  	fc := &failingFleetClient{stubFleetClient{
    75  		testUnits:       startTestUnits,
    76  		unitStatesMutex: &sync.Mutex{},
    77  		unitsMutex:      &sync.Mutex{},
    78  	}}
    79  	var wg sync.WaitGroup
    80  	c := &FleetClient{Fleet: fc}
    81  
    82  	var b syncBuffer
    83  	c.Start([]string{"deis-builder.service"}, &wg, &b, &b)
    84  	wg.Wait()
    85  
    86  	if !strings.Contains(b.String(), "failed while starting") {
    87  		t.Errorf("Expected failure during start. Got '%s'", b.String())
    88  	}
    89  
    90  }