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98 lines
2.4 KiB
Go
98 lines
2.4 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package terraform
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import (
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"testing"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/hcl/v2/hclsyntax"
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"github.com/hashicorp/terraform/internal/addrs"
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"github.com/hashicorp/terraform/internal/instances"
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"github.com/zclconf/go-cty/cty"
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)
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func TestEvalReplaceTriggeredBy(t *testing.T) {
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tests := map[string]struct {
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// Raw config expression from within replace_triggered_by list.
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// If this does not contains any count or each references, it should
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// directly parse into the same *addrs.Reference.
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expr string
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// If the expression contains count or each, then we need to add
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// repetition data, and the static string to parse into the desired
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// *addrs.Reference
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repData instances.RepetitionData
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reference string
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}{
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"single resource": {
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expr: "test_resource.a",
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},
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"resource instance attr": {
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expr: "test_resource.a.attr",
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},
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"resource instance index attr": {
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expr: "test_resource.a[0].attr",
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},
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"resource instance count": {
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expr: "test_resource.a[count.index]",
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repData: instances.RepetitionData{
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CountIndex: cty.NumberIntVal(0),
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},
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reference: "test_resource.a[0]",
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},
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"resource instance for_each": {
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expr: "test_resource.a[each.key].attr",
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repData: instances.RepetitionData{
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EachKey: cty.StringVal("k"),
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},
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reference: `test_resource.a["k"].attr`,
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},
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"resource instance for_each map attr": {
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expr: "test_resource.a[each.key].attr[each.key]",
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repData: instances.RepetitionData{
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EachKey: cty.StringVal("k"),
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},
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reference: `test_resource.a["k"].attr["k"]`,
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},
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}
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for name, tc := range tests {
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pos := hcl.Pos{Line: 1, Column: 1}
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t.Run(name, func(t *testing.T) {
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expr, hclDiags := hclsyntax.ParseExpression([]byte(tc.expr), "", pos)
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if hclDiags.HasErrors() {
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t.Fatal(hclDiags)
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}
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got, diags := evalReplaceTriggeredByExpr(expr, tc.repData)
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if diags.HasErrors() {
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t.Fatal(diags.Err())
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}
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want := tc.reference
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if want == "" {
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want = tc.expr
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}
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// create the desired reference
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traversal, travDiags := hclsyntax.ParseTraversalAbs([]byte(want), "", pos)
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if travDiags.HasErrors() {
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t.Fatal(travDiags)
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}
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ref, diags := addrs.ParseRef(traversal)
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if diags.HasErrors() {
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t.Fatal(diags.Err())
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}
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if got.DisplayString() != ref.DisplayString() {
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t.Fatalf("expected %q: got %q", ref.DisplayString(), got.DisplayString())
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}
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})
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}
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}
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