github.com/kikitux/packer@v0.10.1-0.20160322154024-6237df566f9f/builder/azure/arm/step_get_os_disk_test.go (about)

     1  // Copyright (c) Microsoft Corporation. All rights reserved.
     2  // Licensed under the MIT License. See the LICENSE file in builder/azure for license information.
     3  
     4  package arm
     5  
     6  import (
     7  	"fmt"
     8  	"testing"
     9  
    10  	"github.com/Azure/azure-sdk-for-go/arm/compute"
    11  
    12  	"github.com/mitchellh/packer/builder/azure/common/constants"
    13  
    14  	"github.com/mitchellh/multistep"
    15  )
    16  
    17  func TestStepGetOSDiskShouldFailIfGetFails(t *testing.T) {
    18  	var testSubject = &StepGetOSDisk{
    19  		query: func(string, string) (compute.VirtualMachine, error) {
    20  			return createVirtualMachineFromUri("test.vhd"), fmt.Errorf("!! Unit Test FAIL !!")
    21  		},
    22  		say:   func(message string) {},
    23  		error: func(e error) {},
    24  	}
    25  
    26  	stateBag := createTestStateBagStepGetOSDisk()
    27  
    28  	var result = testSubject.Run(stateBag)
    29  	if result != multistep.ActionHalt {
    30  		t.Fatalf("Expected the step to return 'ActionHalt', but got '%d'.", result)
    31  	}
    32  
    33  	if _, ok := stateBag.GetOk(constants.Error); ok == false {
    34  		t.Fatalf("Expected the step to set stateBag['%s'], but it was not.", constants.Error)
    35  	}
    36  }
    37  
    38  func TestStepGetOSDiskShouldPassIfGetPasses(t *testing.T) {
    39  	var testSubject = &StepGetOSDisk{
    40  		query: func(string, string) (compute.VirtualMachine, error) {
    41  			return createVirtualMachineFromUri("test.vhd"), nil
    42  		},
    43  		say:   func(message string) {},
    44  		error: func(e error) {},
    45  	}
    46  
    47  	stateBag := createTestStateBagStepGetOSDisk()
    48  
    49  	var result = testSubject.Run(stateBag)
    50  	if result != multistep.ActionContinue {
    51  		t.Fatalf("Expected the step to return 'ActionContinue', but got '%d'.", result)
    52  	}
    53  
    54  	if _, ok := stateBag.GetOk(constants.Error); ok == true {
    55  		t.Fatalf("Expected the step to not set stateBag['%s'], but it was.", constants.Error)
    56  	}
    57  }
    58  
    59  func TestStepGetOSDiskShouldTakeValidateArgumentsFromStateBag(t *testing.T) {
    60  	var actualResourceGroupName string
    61  	var actualComputeName string
    62  
    63  	var testSubject = &StepGetOSDisk{
    64  		query: func(resourceGroupName string, computeName string) (compute.VirtualMachine, error) {
    65  			actualResourceGroupName = resourceGroupName
    66  			actualComputeName = computeName
    67  
    68  			return createVirtualMachineFromUri("test.vhd"), nil
    69  		},
    70  		say:   func(message string) {},
    71  		error: func(e error) {},
    72  	}
    73  
    74  	stateBag := createTestStateBagStepGetOSDisk()
    75  	var result = testSubject.Run(stateBag)
    76  
    77  	if result != multistep.ActionContinue {
    78  		t.Fatalf("Expected the step to return 'ActionContinue', but got '%d'.", result)
    79  	}
    80  
    81  	var expectedComputeName = stateBag.Get(constants.ArmComputeName).(string)
    82  	var expectedResourceGroupName = stateBag.Get(constants.ArmResourceGroupName).(string)
    83  
    84  	if actualComputeName != expectedComputeName {
    85  		t.Fatalf("Expected the step to source 'constants.ArmResourceGroupName' from the state bag, but it did not.")
    86  	}
    87  
    88  	if actualResourceGroupName != expectedResourceGroupName {
    89  		t.Fatalf("Expected the step to source 'constants.ArmResourceGroupName' from the state bag, but it did not.")
    90  	}
    91  
    92  	expectedOSDiskVhd, ok := stateBag.GetOk(constants.ArmOSDiskVhd)
    93  	if !ok {
    94  		t.Fatalf("Expected the state bag to have a value for '%s', but it did not.", constants.ArmOSDiskVhd)
    95  	}
    96  
    97  	if expectedOSDiskVhd != "test.vhd" {
    98  		t.Fatalf("Expected the value of stateBag[%s] to be '127.0.0.1', but got '%s'.", constants.ArmOSDiskVhd, expectedOSDiskVhd)
    99  	}
   100  }
   101  
   102  func createTestStateBagStepGetOSDisk() multistep.StateBag {
   103  	stateBag := new(multistep.BasicStateBag)
   104  
   105  	stateBag.Put(constants.ArmComputeName, "Unit Test: ComputeName")
   106  	stateBag.Put(constants.ArmResourceGroupName, "Unit Test: ResourceGroupName")
   107  
   108  	return stateBag
   109  }
   110  
   111  func createVirtualMachineFromUri(vhdUri string) compute.VirtualMachine {
   112  	vm := compute.VirtualMachine{
   113  		Properties: &compute.VirtualMachineProperties{
   114  			StorageProfile: &compute.StorageProfile{
   115  				OsDisk: &compute.OSDisk{
   116  					Vhd: &compute.VirtualHardDisk{
   117  						URI: &vhdUri,
   118  					},
   119  				},
   120  			},
   121  		},
   122  	}
   123  
   124  	return vm
   125  }