151 lines
3.4 KiB
Go
151 lines
3.4 KiB
Go
package dynblock
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
"testing"
|
|
|
|
"github.com/davecgh/go-spew/spew"
|
|
|
|
"github.com/hashicorp/hcl2/hcl"
|
|
"github.com/hashicorp/hcl2/hcl/hclsyntax"
|
|
)
|
|
|
|
func TestForEachVariables(t *testing.T) {
|
|
const src = `
|
|
|
|
# We have some references to things inside the "val" attribute inside each
|
|
# of our "b" blocks, but since our ForEachVariables walk only considers
|
|
# "for_each" and "labels" within a dynamic block we do _not_ expect these
|
|
# to be in the output.
|
|
|
|
a {
|
|
dynamic "b" {
|
|
for_each = [for i, v in some_list_0: "${i}=${v},${baz}"]
|
|
labels = ["${b.value} ${something_else_0}"]
|
|
content {
|
|
val = "${b.value} ${something_else_1}"
|
|
}
|
|
}
|
|
}
|
|
|
|
dynamic "a" {
|
|
for_each = some_list_1
|
|
|
|
content {
|
|
b "foo" {
|
|
val = "${a.value} ${something_else_2}"
|
|
}
|
|
|
|
dynamic "b" {
|
|
for_each = some_list_2
|
|
iterator = dyn_b
|
|
labels = ["${a.value} ${dyn_b.value} ${b} ${something_else_3}"]
|
|
content {
|
|
val = "${a.value} ${dyn_b.value} ${something_else_4}"
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
dynamic "a" {
|
|
for_each = some_list_3
|
|
iterator = dyn_a
|
|
|
|
content {
|
|
b "foo" {
|
|
val = "${dyn_a.value} ${something_else_5}"
|
|
}
|
|
|
|
dynamic "b" {
|
|
for_each = some_list_4
|
|
labels = ["${dyn_a.value} ${b.value} ${a} ${something_else_6}"]
|
|
content {
|
|
val = "${dyn_a.value} ${b.value} ${something_else_7}"
|
|
}
|
|
}
|
|
}
|
|
}
|
|
`
|
|
|
|
f, diags := hclsyntax.ParseConfig([]byte(src), "", hcl.Pos{})
|
|
if len(diags) != 0 {
|
|
t.Errorf("unexpected diagnostics during parse")
|
|
for _, diag := range diags {
|
|
t.Logf("- %s", diag)
|
|
}
|
|
return
|
|
}
|
|
|
|
rootNode := WalkForEachVariables(f.Body)
|
|
traversals := testWalkAndAccumVars(rootNode, &hcl.BodySchema{
|
|
Blocks: []hcl.BlockHeaderSchema{
|
|
{
|
|
Type: "a",
|
|
},
|
|
},
|
|
})
|
|
|
|
got := make([]string, len(traversals))
|
|
for i, traversal := range traversals {
|
|
got[i] = traversal.RootName()
|
|
}
|
|
|
|
// The block structure is traversed one level at a time, so the ordering
|
|
// here is reflecting first a pass of the root, then the first child
|
|
// under the root, then the first child under that, etc.
|
|
want := []string{
|
|
"some_list_1",
|
|
"some_list_3",
|
|
"some_list_0",
|
|
"baz",
|
|
"something_else_0",
|
|
"some_list_2",
|
|
"b", // This is correct because it is referenced in a context where the iterator is overridden to be dyn_b
|
|
"something_else_3",
|
|
"some_list_4",
|
|
"a", // This is correct because it is referenced in a context where the iterator is overridden to be dyn_a
|
|
"something_else_6",
|
|
}
|
|
|
|
if !reflect.DeepEqual(got, want) {
|
|
t.Errorf("wrong result\ngot: %swant: %s", spew.Sdump(got), spew.Sdump(want))
|
|
}
|
|
}
|
|
|
|
func testWalkAndAccumVars(node WalkVariablesNode, schema *hcl.BodySchema) []hcl.Traversal {
|
|
vars, children := node.Visit(schema)
|
|
|
|
for _, child := range children {
|
|
var childSchema *hcl.BodySchema
|
|
switch child.BlockTypeName {
|
|
case "a":
|
|
childSchema = &hcl.BodySchema{
|
|
Blocks: []hcl.BlockHeaderSchema{
|
|
{
|
|
Type: "b",
|
|
LabelNames: []string{"key"},
|
|
},
|
|
},
|
|
}
|
|
case "b":
|
|
childSchema = &hcl.BodySchema{
|
|
Attributes: []hcl.AttributeSchema{
|
|
{
|
|
Name: "val",
|
|
Required: true,
|
|
},
|
|
},
|
|
}
|
|
default:
|
|
// Should never happen, because we have no other block types
|
|
// in our test input.
|
|
panic(fmt.Errorf("can't find schema for unknown block type %q", child.BlockTypeName))
|
|
}
|
|
|
|
vars = append(vars, testWalkAndAccumVars(child.Node, childSchema)...)
|
|
}
|
|
|
|
return vars
|
|
}
|