github.com/rhenning/terraform@v0.8.0-beta2/terraform/transform_destroy_edge_test.go (about)

     1  package terraform
     2  
     3  import (
     4  	"strings"
     5  	"testing"
     6  )
     7  
     8  func TestDestroyEdgeTransformer_basic(t *testing.T) {
     9  	g := Graph{Path: RootModulePath}
    10  	g.Add(&graphNodeDestroyerTest{AddrString: "test.A"})
    11  	g.Add(&graphNodeDestroyerTest{AddrString: "test.B"})
    12  	tf := &DestroyEdgeTransformer{
    13  		Module: testModule(t, "transform-destroy-edge-basic"),
    14  	}
    15  	if err := tf.Transform(&g); err != nil {
    16  		t.Fatalf("err: %s", err)
    17  	}
    18  
    19  	actual := strings.TrimSpace(g.String())
    20  	expected := strings.TrimSpace(testTransformDestroyEdgeBasicStr)
    21  	if actual != expected {
    22  		t.Fatalf("bad:\n\n%s", actual)
    23  	}
    24  }
    25  
    26  func TestDestroyEdgeTransformer_create(t *testing.T) {
    27  	g := Graph{Path: RootModulePath}
    28  	g.Add(&graphNodeDestroyerTest{AddrString: "test.A"})
    29  	g.Add(&graphNodeDestroyerTest{AddrString: "test.B"})
    30  	g.Add(&graphNodeCreatorTest{AddrString: "test.A"})
    31  	tf := &DestroyEdgeTransformer{
    32  		Module: testModule(t, "transform-destroy-edge-basic"),
    33  	}
    34  	if err := tf.Transform(&g); err != nil {
    35  		t.Fatalf("err: %s", err)
    36  	}
    37  
    38  	actual := strings.TrimSpace(g.String())
    39  	expected := strings.TrimSpace(testTransformDestroyEdgeCreatorStr)
    40  	if actual != expected {
    41  		t.Fatalf("bad:\n\n%s", actual)
    42  	}
    43  }
    44  
    45  func TestDestroyEdgeTransformer_multi(t *testing.T) {
    46  	g := Graph{Path: RootModulePath}
    47  	g.Add(&graphNodeDestroyerTest{AddrString: "test.A"})
    48  	g.Add(&graphNodeDestroyerTest{AddrString: "test.B"})
    49  	g.Add(&graphNodeDestroyerTest{AddrString: "test.C"})
    50  	tf := &DestroyEdgeTransformer{
    51  		Module: testModule(t, "transform-destroy-edge-multi"),
    52  	}
    53  	if err := tf.Transform(&g); err != nil {
    54  		t.Fatalf("err: %s", err)
    55  	}
    56  
    57  	actual := strings.TrimSpace(g.String())
    58  	expected := strings.TrimSpace(testTransformDestroyEdgeMultiStr)
    59  	if actual != expected {
    60  		t.Fatalf("bad:\n\n%s", actual)
    61  	}
    62  }
    63  
    64  func TestDestroyEdgeTransformer_selfRef(t *testing.T) {
    65  	g := Graph{Path: RootModulePath}
    66  	g.Add(&graphNodeDestroyerTest{AddrString: "test.A"})
    67  	tf := &DestroyEdgeTransformer{
    68  		Module: testModule(t, "transform-destroy-edge-self-ref"),
    69  	}
    70  	if err := tf.Transform(&g); err != nil {
    71  		t.Fatalf("err: %s", err)
    72  	}
    73  
    74  	actual := strings.TrimSpace(g.String())
    75  	expected := strings.TrimSpace(testTransformDestroyEdgeSelfRefStr)
    76  	if actual != expected {
    77  		t.Fatalf("bad:\n\n%s", actual)
    78  	}
    79  }
    80  
    81  func TestDestroyEdgeTransformer_module(t *testing.T) {
    82  	g := Graph{Path: RootModulePath}
    83  	g.Add(&graphNodeDestroyerTest{AddrString: "module.child.aws_instance.b"})
    84  	g.Add(&graphNodeDestroyerTest{AddrString: "aws_instance.a"})
    85  	tf := &DestroyEdgeTransformer{
    86  		Module: testModule(t, "transform-destroy-edge-module"),
    87  	}
    88  	if err := tf.Transform(&g); err != nil {
    89  		t.Fatalf("err: %s", err)
    90  	}
    91  
    92  	actual := strings.TrimSpace(g.String())
    93  	expected := strings.TrimSpace(testTransformDestroyEdgeModuleStr)
    94  	if actual != expected {
    95  		t.Fatalf("bad:\n\n%s", actual)
    96  	}
    97  }
    98  
    99  type graphNodeCreatorTest struct {
   100  	AddrString string
   101  }
   102  
   103  func (n *graphNodeCreatorTest) Name() string { return n.CreateAddr().String() }
   104  func (n *graphNodeCreatorTest) CreateAddr() *ResourceAddress {
   105  	addr, err := ParseResourceAddress(n.AddrString)
   106  	if err != nil {
   107  		panic(err)
   108  	}
   109  
   110  	return addr
   111  }
   112  
   113  type graphNodeDestroyerTest struct {
   114  	AddrString string
   115  	CBD        bool
   116  }
   117  
   118  func (n *graphNodeDestroyerTest) Name() string              { return n.DestroyAddr().String() + " (destroy)" }
   119  func (n *graphNodeDestroyerTest) CreateBeforeDestroy() bool { return n.CBD }
   120  func (n *graphNodeDestroyerTest) DestroyAddr() *ResourceAddress {
   121  	addr, err := ParseResourceAddress(n.AddrString)
   122  	if err != nil {
   123  		panic(err)
   124  	}
   125  
   126  	return addr
   127  }
   128  
   129  const testTransformDestroyEdgeBasicStr = `
   130  test.A (destroy)
   131    test.B (destroy)
   132  test.B (destroy)
   133  `
   134  
   135  const testTransformDestroyEdgeCreatorStr = `
   136  test.A
   137    test.A (destroy)
   138  test.A (destroy)
   139    test.B (destroy)
   140  test.B (destroy)
   141  `
   142  
   143  const testTransformDestroyEdgeMultiStr = `
   144  test.A (destroy)
   145    test.B (destroy)
   146    test.C (destroy)
   147  test.B (destroy)
   148    test.C (destroy)
   149  test.C (destroy)
   150  `
   151  
   152  const testTransformDestroyEdgeSelfRefStr = `
   153  test.A (destroy)
   154  `
   155  
   156  const testTransformDestroyEdgeModuleStr = `
   157  aws_instance.a (destroy)
   158  module.child.aws_instance.b (destroy)
   159    aws_instance.a (destroy)
   160  `