github.com/sneal/packer@v0.5.2/builder/googlecompute/step_instance_info_test.go (about)

     1  package googlecompute
     2  
     3  import (
     4  	"errors"
     5  	"github.com/mitchellh/multistep"
     6  	"testing"
     7  	"time"
     8  )
     9  
    10  func TestStepInstanceInfo_impl(t *testing.T) {
    11  	var _ multistep.Step = new(StepInstanceInfo)
    12  }
    13  
    14  func TestStepInstanceInfo(t *testing.T) {
    15  	state := testState(t)
    16  	step := new(StepInstanceInfo)
    17  	defer step.Cleanup(state)
    18  
    19  	state.Put("instance_name", "foo")
    20  
    21  	config := state.Get("config").(*Config)
    22  	driver := state.Get("driver").(*DriverMock)
    23  	driver.GetNatIPResult = "1.2.3.4"
    24  
    25  	// run the step
    26  	if action := step.Run(state); action != multistep.ActionContinue {
    27  		t.Fatalf("bad action: %#v", action)
    28  	}
    29  
    30  	// Verify state
    31  	if driver.WaitForInstanceState != "RUNNING" {
    32  		t.Fatalf("bad: %#v", driver.WaitForInstanceState)
    33  	}
    34  	if driver.WaitForInstanceZone != config.Zone {
    35  		t.Fatalf("bad: %#v", driver.WaitForInstanceZone)
    36  	}
    37  	if driver.WaitForInstanceName != "foo" {
    38  		t.Fatalf("bad: %#v", driver.WaitForInstanceName)
    39  	}
    40  
    41  	ipRaw, ok := state.GetOk("instance_ip")
    42  	if !ok {
    43  		t.Fatal("should have ip")
    44  	}
    45  	if ip, ok := ipRaw.(string); !ok {
    46  		t.Fatal("ip is not a string")
    47  	} else if ip != "1.2.3.4" {
    48  		t.Fatalf("bad ip: %s", ip)
    49  	}
    50  }
    51  
    52  func TestStepInstanceInfo_getNatIPError(t *testing.T) {
    53  	state := testState(t)
    54  	step := new(StepInstanceInfo)
    55  	defer step.Cleanup(state)
    56  
    57  	state.Put("instance_name", "foo")
    58  
    59  	driver := state.Get("driver").(*DriverMock)
    60  	driver.GetNatIPErr = errors.New("error")
    61  
    62  	// run the step
    63  	if action := step.Run(state); action != multistep.ActionHalt {
    64  		t.Fatalf("bad action: %#v", action)
    65  	}
    66  
    67  	// Verify state
    68  	if _, ok := state.GetOk("error"); !ok {
    69  		t.Fatal("should have error")
    70  	}
    71  	if _, ok := state.GetOk("instance_ip"); ok {
    72  		t.Fatal("should NOT have instance IP")
    73  	}
    74  }
    75  
    76  func TestStepInstanceInfo_waitError(t *testing.T) {
    77  	state := testState(t)
    78  	step := new(StepInstanceInfo)
    79  	defer step.Cleanup(state)
    80  
    81  	state.Put("instance_name", "foo")
    82  
    83  	errCh := make(chan error, 1)
    84  	errCh <- errors.New("error")
    85  
    86  	driver := state.Get("driver").(*DriverMock)
    87  	driver.WaitForInstanceErrCh = errCh
    88  
    89  	// run the step
    90  	if action := step.Run(state); action != multistep.ActionHalt {
    91  		t.Fatalf("bad action: %#v", action)
    92  	}
    93  
    94  	// Verify state
    95  	if _, ok := state.GetOk("error"); !ok {
    96  		t.Fatal("should have error")
    97  	}
    98  	if _, ok := state.GetOk("instance_ip"); ok {
    99  		t.Fatal("should NOT have instance IP")
   100  	}
   101  }
   102  
   103  func TestStepInstanceInfo_errorTimeout(t *testing.T) {
   104  	state := testState(t)
   105  	step := new(StepInstanceInfo)
   106  	defer step.Cleanup(state)
   107  
   108  	errCh := make(chan error, 1)
   109  	go func() {
   110  		<-time.After(10 * time.Millisecond)
   111  		errCh <- nil
   112  	}()
   113  
   114  	state.Put("instance_name", "foo")
   115  
   116  	config := state.Get("config").(*Config)
   117  	config.stateTimeout = 1 * time.Microsecond
   118  
   119  	driver := state.Get("driver").(*DriverMock)
   120  	driver.WaitForInstanceErrCh = errCh
   121  
   122  	// run the step
   123  	if action := step.Run(state); action != multistep.ActionHalt {
   124  		t.Fatalf("bad action: %#v", action)
   125  	}
   126  
   127  	// Verify state
   128  	if _, ok := state.GetOk("error"); !ok {
   129  		t.Fatal("should have error")
   130  	}
   131  	if _, ok := state.GetOk("instance_ip"); ok {
   132  		t.Fatal("should NOT have instance IP")
   133  	}
   134  }