github.com/kaixiang/packer@v0.5.2-0.20140114230416-1f5786b0d7f1/builder/googlecompute/step_create_instance_test.go (about)

     1  package googlecompute
     2  
     3  import (
     4  	"errors"
     5  	"github.com/mitchellh/multistep"
     6  	"testing"
     7  	"time"
     8  )
     9  
    10  func TestStepCreateInstance_impl(t *testing.T) {
    11  	var _ multistep.Step = new(StepCreateInstance)
    12  }
    13  
    14  func TestStepCreateInstance(t *testing.T) {
    15  	state := testState(t)
    16  	step := new(StepCreateInstance)
    17  	defer step.Cleanup(state)
    18  
    19  	state.Put("ssh_public_key", "key")
    20  
    21  	config := state.Get("config").(*Config)
    22  	driver := state.Get("driver").(*DriverMock)
    23  
    24  	// run the step
    25  	if action := step.Run(state); action != multistep.ActionContinue {
    26  		t.Fatalf("bad action: %#v", action)
    27  	}
    28  
    29  	// Verify state
    30  	nameRaw, ok := state.GetOk("instance_name")
    31  	if !ok {
    32  		t.Fatal("should have instance name")
    33  	}
    34  
    35  	// cleanup
    36  	step.Cleanup(state)
    37  
    38  	if driver.DeleteInstanceName != nameRaw.(string) {
    39  		t.Fatal("should've deleted instance")
    40  	}
    41  	if driver.DeleteInstanceZone != config.Zone {
    42  		t.Fatal("bad zone: %#v", driver.DeleteInstanceZone)
    43  	}
    44  }
    45  
    46  func TestStepCreateInstance_error(t *testing.T) {
    47  	state := testState(t)
    48  	step := new(StepCreateInstance)
    49  	defer step.Cleanup(state)
    50  
    51  	state.Put("ssh_public_key", "key")
    52  
    53  	driver := state.Get("driver").(*DriverMock)
    54  	driver.RunInstanceErr = errors.New("error")
    55  
    56  	// run the step
    57  	if action := step.Run(state); action != multistep.ActionHalt {
    58  		t.Fatalf("bad action: %#v", action)
    59  	}
    60  
    61  	// Verify state
    62  	if _, ok := state.GetOk("error"); !ok {
    63  		t.Fatal("should have error")
    64  	}
    65  	if _, ok := state.GetOk("instance_name"); ok {
    66  		t.Fatal("should NOT have instance name")
    67  	}
    68  }
    69  
    70  func TestStepCreateInstance_errorOnChannel(t *testing.T) {
    71  	state := testState(t)
    72  	step := new(StepCreateInstance)
    73  	defer step.Cleanup(state)
    74  
    75  	errCh := make(chan error, 1)
    76  	errCh <- errors.New("error")
    77  
    78  	state.Put("ssh_public_key", "key")
    79  
    80  	driver := state.Get("driver").(*DriverMock)
    81  	driver.RunInstanceErrCh = errCh
    82  
    83  	// run the step
    84  	if action := step.Run(state); action != multistep.ActionHalt {
    85  		t.Fatalf("bad action: %#v", action)
    86  	}
    87  
    88  	// Verify state
    89  	if _, ok := state.GetOk("error"); !ok {
    90  		t.Fatal("should have error")
    91  	}
    92  	if _, ok := state.GetOk("instance_name"); ok {
    93  		t.Fatal("should NOT have instance name")
    94  	}
    95  }
    96  
    97  func TestStepCreateInstance_errorTimeout(t *testing.T) {
    98  	state := testState(t)
    99  	step := new(StepCreateInstance)
   100  	defer step.Cleanup(state)
   101  
   102  	errCh := make(chan error, 1)
   103  	go func() {
   104  		<-time.After(10 * time.Millisecond)
   105  		errCh <- nil
   106  	}()
   107  
   108  	state.Put("ssh_public_key", "key")
   109  
   110  	config := state.Get("config").(*Config)
   111  	config.stateTimeout = 1 * time.Microsecond
   112  
   113  	driver := state.Get("driver").(*DriverMock)
   114  	driver.RunInstanceErrCh = errCh
   115  
   116  	// run the step
   117  	if action := step.Run(state); action != multistep.ActionHalt {
   118  		t.Fatalf("bad action: %#v", action)
   119  	}
   120  
   121  	// Verify state
   122  	if _, ok := state.GetOk("error"); !ok {
   123  		t.Fatal("should have error")
   124  	}
   125  	if _, ok := state.GetOk("instance_name"); ok {
   126  		t.Fatal("should NOT have instance name")
   127  	}
   128  }