github.phpd.cn/hashicorp/packer@v1.3.2/builder/hyperv/common/step_create_build_dir_test.go (about)

     1  package common
     2  
     3  import (
     4  	"context"
     5  	"os"
     6  	"path/filepath"
     7  	"regexp"
     8  	"testing"
     9  
    10  	"github.com/hashicorp/packer/helper/multistep"
    11  )
    12  
    13  func TestStepCreateBuildDir_imp(t *testing.T) {
    14  	var _ multistep.Step = new(StepCreateBuildDir)
    15  }
    16  
    17  func TestStepCreateBuildDir_Defaults(t *testing.T) {
    18  	state := testState(t)
    19  	step := new(StepCreateBuildDir)
    20  
    21  	// Default is for the user not to supply value for TempPath. When
    22  	// nothing is set the step should use the OS temp directory as the root
    23  	// for the build directory
    24  	step.TempPath = ""
    25  
    26  	// Test the run
    27  	if action := step.Run(context.Background(), state); action != multistep.ActionContinue {
    28  		t.Fatalf("Bad action: %v", action)
    29  	}
    30  	if _, ok := state.GetOk("error"); ok {
    31  		t.Fatal("Should NOT have error")
    32  	}
    33  
    34  	if v, ok := state.GetOk("build_dir"); !ok {
    35  		t.Fatal("Should store path to build directory in statebag as 'build_dir'")
    36  	} else {
    37  		// On windows convert everything to forward slash separated paths
    38  		// This prevents the regexp interpreting backslashes as escape sequences
    39  		stateBuildDir := filepath.ToSlash(v.(string))
    40  		expectedBuildDirRe := regexp.MustCompile(
    41  			filepath.ToSlash(filepath.Join(os.TempDir(), "packerhv") + `[[:digit:]]{9}$`))
    42  		match := expectedBuildDirRe.MatchString(stateBuildDir)
    43  		if !match {
    44  			t.Fatalf("Got path that doesn't match expected format in 'build_dir': %s", stateBuildDir)
    45  		}
    46  	}
    47  
    48  	// Test Cleanup
    49  	step.Cleanup(state)
    50  	if _, err := os.Stat(step.buildDir); err == nil {
    51  		t.Fatalf("Build directory should NOT exist after Cleanup: %s", step.buildDir)
    52  	}
    53  }
    54  
    55  func TestStepCreateBuildDir_UserDefinedTempPath(t *testing.T) {
    56  	state := testState(t)
    57  	step := new(StepCreateBuildDir)
    58  
    59  	// Create a directory we'll use as the user supplied temp_path
    60  	step.TempPath = genTestDirPath("userTempDir")
    61  	err := os.Mkdir(step.TempPath, 0755) // The directory must exist
    62  	if err != nil {
    63  		t.Fatal("Error creating test directory")
    64  	}
    65  	defer os.RemoveAll(step.TempPath)
    66  
    67  	// Test the run
    68  	if action := step.Run(context.Background(), state); action != multistep.ActionContinue {
    69  		t.Fatalf("Bad action: %v", action)
    70  	}
    71  	if _, ok := state.GetOk("error"); ok {
    72  		t.Fatal("Should NOT have error")
    73  	}
    74  
    75  	if v, ok := state.GetOk("build_dir"); !ok {
    76  		t.Fatal("Should store path to build directory in statebag as 'build_dir'")
    77  	} else {
    78  		// On windows convert everything to forward slash separated paths
    79  		// This prevents the regexp interpreting backslashes as escape sequences
    80  		stateBuildDir := filepath.ToSlash(v.(string))
    81  		expectedBuildDirRe := regexp.MustCompile(
    82  			filepath.ToSlash(filepath.Join(step.TempPath, "packerhv") + `[[:digit:]]{9}$`))
    83  		match := expectedBuildDirRe.MatchString(stateBuildDir)
    84  		if !match {
    85  			t.Fatalf("Got path that doesn't match expected format in 'build_dir': %s", stateBuildDir)
    86  		}
    87  	}
    88  
    89  	// Test Cleanup
    90  	step.Cleanup(state)
    91  	if _, err := os.Stat(step.buildDir); err == nil {
    92  		t.Fatalf("Build directory should NOT exist after Cleanup: %s", step.buildDir)
    93  	}
    94  	if _, err := os.Stat(step.TempPath); err != nil {
    95  		t.Fatal("User supplied root for build directory should NOT be deleted by Cleanup")
    96  	}
    97  }
    98  
    99  func TestStepCreateBuildDir_BadTempPath(t *testing.T) {
   100  	state := testState(t)
   101  	step := new(StepCreateBuildDir)
   102  
   103  	// Bad
   104  	step.TempPath = genTestDirPath("iDontExist")
   105  
   106  	// Test the run
   107  	if action := step.Run(context.Background(), state); action != multistep.ActionHalt {
   108  		t.Fatalf("Bad action: %v", action)
   109  	}
   110  	if _, ok := state.GetOk("error"); !ok {
   111  		t.Fatal("Should have error due to bad path")
   112  	}
   113  }