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503 lines (449 loc) · 10.5 KB
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package terraform
import (
"reflect"
"strings"
"testing"
)
func TestApplyGraphBuilder_impl(t *testing.T) {
var _ GraphBuilder = new(ApplyGraphBuilder)
}
func TestApplyGraphBuilder(t *testing.T) {
diff := &Diff{
Modules: []*ModuleDiff{
&ModuleDiff{
Path: []string{"root"},
Resources: map[string]*InstanceDiff{
// Verify noop doesn't show up in graph
"aws_instance.noop": &InstanceDiff{},
"aws_instance.create": &InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"name": &ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
"aws_instance.other": &InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"name": &ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
},
},
&ModuleDiff{
Path: []string{"root", "child"},
Resources: map[string]*InstanceDiff{
"aws_instance.create": &InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"name": &ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
"aws_instance.other": &InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"name": &ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
},
},
},
}
b := &ApplyGraphBuilder{
Module: testModule(t, "graph-builder-apply-basic"),
Diff: diff,
Providers: []string{"aws"},
Provisioners: []string{"exec"},
DisableReduce: true,
}
g, err := b.Build(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
if !reflect.DeepEqual(g.Path, RootModulePath) {
t.Fatalf("bad: %#v", g.Path)
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(testApplyGraphBuilderStr)
if actual != expected {
t.Fatalf("bad: %s", actual)
}
}
// This tests the ordering of two resources where a non-CBD depends
// on a CBD. GH-11349.
func TestApplyGraphBuilder_depCbd(t *testing.T) {
diff := &Diff{
Modules: []*ModuleDiff{
&ModuleDiff{
Path: []string{"root"},
Resources: map[string]*InstanceDiff{
"aws_instance.A": &InstanceDiff{
Destroy: true,
Attributes: map[string]*ResourceAttrDiff{
"name": &ResourceAttrDiff{
Old: "",
New: "foo",
RequiresNew: true,
},
},
},
"aws_instance.B": &InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"name": &ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
},
},
},
}
b := &ApplyGraphBuilder{
Module: testModule(t, "graph-builder-apply-dep-cbd"),
Diff: diff,
Providers: []string{"aws"},
Provisioners: []string{"exec"},
DisableReduce: true,
}
g, err := b.Build(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
t.Logf("Graph: %s", g.String())
if !reflect.DeepEqual(g.Path, RootModulePath) {
t.Fatalf("bad: %#v", g.Path)
}
// Create A, Modify B, Destroy A
testGraphHappensBefore(
t, g,
"aws_instance.A",
"aws_instance.A (destroy)")
testGraphHappensBefore(
t, g,
"aws_instance.A",
"aws_instance.B")
testGraphHappensBefore(
t, g,
"aws_instance.B",
"aws_instance.A (destroy)")
}
// This tests the ordering of two resources that are both CBD that
// require destroy/create.
func TestApplyGraphBuilder_doubleCBD(t *testing.T) {
diff := &Diff{
Modules: []*ModuleDiff{
&ModuleDiff{
Path: []string{"root"},
Resources: map[string]*InstanceDiff{
"aws_instance.A": &InstanceDiff{
Destroy: true,
Attributes: map[string]*ResourceAttrDiff{
"name": &ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
"aws_instance.B": &InstanceDiff{
Destroy: true,
Attributes: map[string]*ResourceAttrDiff{
"name": &ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
},
},
},
}
b := &ApplyGraphBuilder{
Module: testModule(t, "graph-builder-apply-double-cbd"),
Diff: diff,
Providers: []string{"aws"},
Provisioners: []string{"exec"},
DisableReduce: true,
}
g, err := b.Build(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
if !reflect.DeepEqual(g.Path, RootModulePath) {
t.Fatalf("bad: %#v", g.Path)
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(testApplyGraphBuilderDoubleCBDStr)
if actual != expected {
t.Fatalf("bad: %s", actual)
}
}
// This tests the ordering of two resources being destroyed that depend
// on each other from only state. GH-11749
func TestApplyGraphBuilder_destroyStateOnly(t *testing.T) {
diff := &Diff{
Modules: []*ModuleDiff{
&ModuleDiff{
Path: []string{"root", "child"},
Resources: map[string]*InstanceDiff{
"aws_instance.A": &InstanceDiff{
Destroy: true,
},
"aws_instance.B": &InstanceDiff{
Destroy: true,
},
},
},
},
}
state := &State{
Modules: []*ModuleState{
&ModuleState{
Path: []string{"root", "child"},
Resources: map[string]*ResourceState{
"aws_instance.A": &ResourceState{
Type: "aws_instance",
Primary: &InstanceState{
ID: "foo",
Attributes: map[string]string{},
},
},
"aws_instance.B": &ResourceState{
Type: "aws_instance",
Primary: &InstanceState{
ID: "bar",
Attributes: map[string]string{},
},
Dependencies: []string{"aws_instance.A"},
},
},
},
},
}
b := &ApplyGraphBuilder{
Module: testModule(t, "empty"),
Diff: diff,
State: state,
Providers: []string{"aws"},
DisableReduce: true,
}
g, err := b.Build(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
t.Logf("Graph: %s", g.String())
if !reflect.DeepEqual(g.Path, RootModulePath) {
t.Fatalf("bad: %#v", g.Path)
}
testGraphHappensBefore(
t, g,
"module.child.aws_instance.B (destroy)",
"module.child.aws_instance.A (destroy)")
}
// This tests the ordering of destroying a single count of a resource.
func TestApplyGraphBuilder_destroyCount(t *testing.T) {
diff := &Diff{
Modules: []*ModuleDiff{
&ModuleDiff{
Path: []string{"root"},
Resources: map[string]*InstanceDiff{
"aws_instance.A.1": &InstanceDiff{
Destroy: true,
},
"aws_instance.B": &InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"name": &ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
},
},
},
}
b := &ApplyGraphBuilder{
Module: testModule(t, "graph-builder-apply-count"),
Diff: diff,
Providers: []string{"aws"},
Provisioners: []string{"exec"},
DisableReduce: true,
}
g, err := b.Build(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
if !reflect.DeepEqual(g.Path, RootModulePath) {
t.Fatalf("bad: %#v", g.Path)
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(testApplyGraphBuilderDestroyCountStr)
if actual != expected {
t.Fatalf("bad: %s", actual)
}
}
func TestApplyGraphBuilder_moduleDestroy(t *testing.T) {
diff := &Diff{
Modules: []*ModuleDiff{
&ModuleDiff{
Path: []string{"root", "A"},
Resources: map[string]*InstanceDiff{
"null_resource.foo": &InstanceDiff{
Destroy: true,
},
},
},
&ModuleDiff{
Path: []string{"root", "B"},
Resources: map[string]*InstanceDiff{
"null_resource.foo": &InstanceDiff{
Destroy: true,
},
},
},
},
}
b := &ApplyGraphBuilder{
Module: testModule(t, "graph-builder-apply-module-destroy"),
Diff: diff,
Providers: []string{"null"},
}
g, err := b.Build(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
testGraphHappensBefore(
t, g,
"module.B.null_resource.foo (destroy)",
"module.A.null_resource.foo (destroy)")
}
func TestApplyGraphBuilder_provisioner(t *testing.T) {
diff := &Diff{
Modules: []*ModuleDiff{
&ModuleDiff{
Path: []string{"root"},
Resources: map[string]*InstanceDiff{
"null_resource.foo": &InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"name": &ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
},
},
},
}
b := &ApplyGraphBuilder{
Module: testModule(t, "graph-builder-apply-provisioner"),
Diff: diff,
Providers: []string{"null"},
Provisioners: []string{"local"},
}
g, err := b.Build(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
testGraphContains(t, g, "provisioner.local")
testGraphHappensBefore(
t, g,
"provisioner.local",
"null_resource.foo")
}
func TestApplyGraphBuilder_provisionerDestroy(t *testing.T) {
diff := &Diff{
Modules: []*ModuleDiff{
&ModuleDiff{
Path: []string{"root"},
Resources: map[string]*InstanceDiff{
"null_resource.foo": &InstanceDiff{
Destroy: true,
},
},
},
},
}
b := &ApplyGraphBuilder{
Destroy: true,
Module: testModule(t, "graph-builder-apply-provisioner"),
Diff: diff,
Providers: []string{"null"},
Provisioners: []string{"local"},
}
g, err := b.Build(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
testGraphContains(t, g, "provisioner.local")
testGraphHappensBefore(
t, g,
"provisioner.local",
"null_resource.foo (destroy)")
}
const testApplyGraphBuilderStr = `
aws_instance.create
provider.aws
aws_instance.other
aws_instance.create
provider.aws
meta.count-boundary (count boundary fixup)
aws_instance.create
aws_instance.other
module.child.aws_instance.create
module.child.aws_instance.other
module.child.provider.aws
module.child.provisioner.exec
provider.aws
module.child.aws_instance.create
module.child.provider.aws
module.child.provisioner.exec
module.child.aws_instance.other
module.child.aws_instance.create
module.child.provider.aws
module.child.provider.aws
provider.aws
module.child.provisioner.exec
provider.aws
`
const testApplyGraphBuilderDoubleCBDStr = `
aws_instance.A
provider.aws
aws_instance.A (destroy)
aws_instance.A
aws_instance.B
aws_instance.B (destroy)
provider.aws
aws_instance.B
aws_instance.A
provider.aws
aws_instance.B (destroy)
aws_instance.B
provider.aws
meta.count-boundary (count boundary fixup)
aws_instance.A
aws_instance.A (destroy)
aws_instance.B
aws_instance.B (destroy)
provider.aws
provider.aws
`
const testApplyGraphBuilderDestroyCountStr = `
aws_instance.A[1] (destroy)
provider.aws
aws_instance.B
aws_instance.A[1] (destroy)
provider.aws
meta.count-boundary (count boundary fixup)
aws_instance.A[1] (destroy)
aws_instance.B
provider.aws
provider.aws
`