blob: d51b1c2be6b69f88aff07409f9036e2f60bf7892 [file] [log] [blame]
package terraform
import (
"testing"
"github.com/hashicorp/hcl/v2"
"github.com/hashicorp/hcl/v2/hclsyntax"
"github.com/hashicorp/terraform/internal/addrs"
"github.com/hashicorp/terraform/internal/instances"
"github.com/zclconf/go-cty/cty"
)
func TestEvalReplaceTriggeredBy(t *testing.T) {
tests := map[string]struct {
// Raw config expression from within replace_triggered_by list.
// If this does not contains any count or each references, it should
// directly parse into the same *addrs.Reference.
expr string
// If the expression contains count or each, then we need to add
// repetition data, and the static string to parse into the desired
// *addrs.Reference
repData instances.RepetitionData
reference string
}{
"single resource": {
expr: "test_resource.a",
},
"resource instance attr": {
expr: "test_resource.a.attr",
},
"resource instance index attr": {
expr: "test_resource.a[0].attr",
},
"resource instance count": {
expr: "test_resource.a[count.index]",
repData: instances.RepetitionData{
CountIndex: cty.NumberIntVal(0),
},
reference: "test_resource.a[0]",
},
"resource instance for_each": {
expr: "test_resource.a[each.key].attr",
repData: instances.RepetitionData{
EachKey: cty.StringVal("k"),
},
reference: `test_resource.a["k"].attr`,
},
"resource instance for_each map attr": {
expr: "test_resource.a[each.key].attr[each.key]",
repData: instances.RepetitionData{
EachKey: cty.StringVal("k"),
},
reference: `test_resource.a["k"].attr["k"]`,
},
}
for name, tc := range tests {
pos := hcl.Pos{Line: 1, Column: 1}
t.Run(name, func(t *testing.T) {
expr, hclDiags := hclsyntax.ParseExpression([]byte(tc.expr), "", pos)
if hclDiags.HasErrors() {
t.Fatal(hclDiags)
}
got, diags := evalReplaceTriggeredByExpr(expr, tc.repData)
if diags.HasErrors() {
t.Fatal(diags.Err())
}
want := tc.reference
if want == "" {
want = tc.expr
}
// create the desired reference
traversal, travDiags := hclsyntax.ParseTraversalAbs([]byte(want), "", pos)
if travDiags.HasErrors() {
t.Fatal(travDiags)
}
ref, diags := addrs.ParseRef(traversal)
if diags.HasErrors() {
t.Fatal(diags.Err())
}
if got.DisplayString() != ref.DisplayString() {
t.Fatalf("expected %q: got %q", ref.DisplayString(), got.DisplayString())
}
})
}
}