blob: 61f24a5f764a447ad20035927ff7b2f454aa436e [file] [log] [blame]
package terraform
import (
"strings"
"testing"
"github.com/hashicorp/terraform/internal/addrs"
)
func TestRootTransformer(t *testing.T) {
t.Run("many nodes", func(t *testing.T) {
mod := testModule(t, "transform-root-basic")
g := Graph{Path: addrs.RootModuleInstance}
{
tf := &ConfigTransformer{Config: mod}
if err := tf.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
{
transform := &MissingProviderTransformer{}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
{
transform := &ProviderTransformer{}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
{
transform := &RootTransformer{}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(testTransformRootBasicStr)
if actual != expected {
t.Fatalf("wrong result\n\ngot:\n%s\n\nwant:\n%s", actual, expected)
}
root, err := g.Root()
if err != nil {
t.Fatalf("err: %s", err)
}
if _, ok := root.(graphNodeRoot); !ok {
t.Fatalf("bad: %#v", root)
}
})
t.Run("only one initial node", func(t *testing.T) {
g := Graph{Path: addrs.RootModuleInstance}
g.Add("foo")
addRootNodeToGraph(&g)
got := strings.TrimSpace(g.String())
want := strings.TrimSpace(`
foo
root
foo
`)
if got != want {
t.Errorf("wrong final graph\ngot:\n%s\nwant:\n%s", got, want)
}
})
t.Run("graph initially empty", func(t *testing.T) {
g := Graph{Path: addrs.RootModuleInstance}
addRootNodeToGraph(&g)
got := strings.TrimSpace(g.String())
want := `root`
if got != want {
t.Errorf("wrong final graph\ngot:\n%s\nwant:\n%s", got, want)
}
})
}
const testTransformRootBasicStr = `
aws_instance.foo
provider["registry.terraform.io/hashicorp/aws"]
do_droplet.bar
provider["registry.terraform.io/hashicorp/do"]
provider["registry.terraform.io/hashicorp/aws"]
provider["registry.terraform.io/hashicorp/do"]
root
aws_instance.foo
do_droplet.bar
`