terraform/terraform/transform_targets_test.go

203 lines
4.8 KiB
Go

package terraform
import (
"strings"
"testing"
"github.com/hashicorp/terraform/addrs"
)
func TestTargetsTransformer(t *testing.T) {
mod := testModule(t, "transform-targets-basic")
g := Graph{Path: addrs.RootModuleInstance}
{
tf := &ConfigTransformer{Config: mod}
if err := tf.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
{
transform := &AttachResourceConfigTransformer{Config: mod}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
{
transform := &ReferenceTransformer{}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
{
transform := &TargetsTransformer{
Targets: []addrs.Targetable{
addrs.RootModuleInstance.Resource(
addrs.ManagedResourceMode, "aws_instance", "me",
),
},
}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(`
aws_instance.me
aws_subnet.me
aws_subnet.me
aws_vpc.me
aws_vpc.me
`)
if actual != expected {
t.Fatalf("bad:\n\nexpected:\n%s\n\ngot:\n%s\n", expected, actual)
}
}
func TestTargetsTransformer_downstream(t *testing.T) {
mod := testModule(t, "transform-targets-downstream")
g := Graph{Path: addrs.RootModuleInstance}
{
transform := &ConfigTransformer{Config: mod}
if err := transform.Transform(&g); err != nil {
t.Fatalf("%T failed: %s", transform, err)
}
}
{
transform := &AttachResourceConfigTransformer{Config: mod}
if err := transform.Transform(&g); err != nil {
t.Fatalf("%T failed: %s", transform, err)
}
}
{
transform := &AttachResourceConfigTransformer{Config: mod}
if err := transform.Transform(&g); err != nil {
t.Fatalf("%T failed: %s", transform, err)
}
}
{
transform := &OutputTransformer{Config: mod}
if err := transform.Transform(&g); err != nil {
t.Fatalf("%T failed: %s", transform, err)
}
}
{
transform := &ReferenceTransformer{}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
{
transform := &TargetsTransformer{
Targets: []addrs.Targetable{
addrs.RootModuleInstance.
Child("child", addrs.NoKey).
Child("grandchild", addrs.NoKey).
Resource(
addrs.ManagedResourceMode, "aws_instance", "foo",
),
},
}
if err := transform.Transform(&g); err != nil {
t.Fatalf("%T failed: %s", transform, err)
}
}
actual := strings.TrimSpace(g.String())
// Even though we only asked to target the grandchild resource, all of the
// outputs that descend from it are also targeted.
expected := strings.TrimSpace(`
module.child.module.grandchild.aws_instance.foo
module.child.module.grandchild.output.id (expand)
module.child.module.grandchild.aws_instance.foo
module.child.output.grandchild_id (expand)
module.child.module.grandchild.output.id (expand)
output.grandchild_id
module.child.output.grandchild_id (expand)
`)
if actual != expected {
t.Fatalf("bad:\n\nexpected:\n%s\n\ngot:\n%s\n", expected, actual)
}
}
// This tests the TargetsTransformer targeting a whole module,
// rather than a resource within a module instance.
func TestTargetsTransformer_wholeModule(t *testing.T) {
mod := testModule(t, "transform-targets-downstream")
g := Graph{Path: addrs.RootModuleInstance}
{
transform := &ConfigTransformer{Config: mod}
if err := transform.Transform(&g); err != nil {
t.Fatalf("%T failed: %s", transform, err)
}
}
{
transform := &AttachResourceConfigTransformer{Config: mod}
if err := transform.Transform(&g); err != nil {
t.Fatalf("%T failed: %s", transform, err)
}
}
{
transform := &AttachResourceConfigTransformer{Config: mod}
if err := transform.Transform(&g); err != nil {
t.Fatalf("%T failed: %s", transform, err)
}
}
{
transform := &OutputTransformer{Config: mod}
if err := transform.Transform(&g); err != nil {
t.Fatalf("%T failed: %s", transform, err)
}
}
{
transform := &ReferenceTransformer{}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
{
transform := &TargetsTransformer{
Targets: []addrs.Targetable{
addrs.RootModule.
Child("child").
Child("grandchild"),
},
}
if err := transform.Transform(&g); err != nil {
t.Fatalf("%T failed: %s", transform, err)
}
}
actual := strings.TrimSpace(g.String())
// Even though we only asked to target the grandchild module, all of the
// outputs that descend from it are also targeted.
expected := strings.TrimSpace(`
module.child.module.grandchild.aws_instance.foo
module.child.module.grandchild.output.id (expand)
module.child.module.grandchild.aws_instance.foo
module.child.output.grandchild_id (expand)
module.child.module.grandchild.output.id (expand)
output.grandchild_id
module.child.output.grandchild_id (expand)
`)
if actual != expected {
t.Fatalf("bad:\n\nexpected:\n%s\n\ngot:\n%s\n", expected, actual)
}
}