mirror of https://github.com/hashicorp/consul
107 lines
2.5 KiB
Go
107 lines
2.5 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package resourcehcl_test
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import (
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"flag"
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"fmt"
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"os"
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"path"
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"testing"
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"github.com/stretchr/testify/require"
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"google.golang.org/protobuf/encoding/protojson"
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"github.com/hashicorp/consul/internal/mesh"
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"github.com/hashicorp/consul/internal/resource"
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"github.com/hashicorp/consul/internal/resource/demo"
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"github.com/hashicorp/consul/internal/resourcehcl"
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"github.com/hashicorp/consul/proto-public/pbresource"
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"github.com/hashicorp/consul/proto/private/prototest"
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)
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var update = flag.Bool("update", false, "update golden files")
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func TestUnmarshal(t *testing.T) {
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entries, err := os.ReadDir("./testdata")
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require.NoError(t, err)
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read := func(t *testing.T, path string) ([]byte, bool) {
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t.Helper()
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bytes, err := os.ReadFile(fmt.Sprintf("./testdata/%s", path))
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switch {
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case err == nil:
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return bytes, true
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case os.IsNotExist(err):
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return nil, false
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}
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t.Fatalf("failed to read file %s %v", path, err)
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return nil, false
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}
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write := func(t *testing.T, path string, src []byte) {
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t.Helper()
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require.NoError(t, os.WriteFile(fmt.Sprintf("./testdata/%s", path), src, 0o600))
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}
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for _, entry := range entries {
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name := entry.Name()
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ext := path.Ext(name)
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if ext != ".hcl" {
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continue
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}
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base := name[0 : len(name)-len(ext)]
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t.Run(base, func(t *testing.T) {
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input, _ := read(t, name)
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registry := resource.NewRegistry()
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demo.RegisterTypes(registry)
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mesh.RegisterTypes(registry)
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output, err := resourcehcl.UnmarshalOptions{SourceFileName: name}.
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Unmarshal(input, registry)
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if *update {
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if err == nil {
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json, err := protojson.Marshal(output)
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require.NoError(t, err)
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write(t, base+".golden", json)
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} else {
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write(t, base+".error", []byte(err.Error()))
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}
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}
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goldenJSON, haveGoldenJSON := read(t, base+".golden")
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goldenError, haveGoldenError := read(t, base+".error")
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if haveGoldenError && haveGoldenJSON {
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t.Fatalf("both %s.golden and %s.error exist, delete one", base, base)
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}
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if !haveGoldenError && !haveGoldenJSON && !*update {
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t.Fatalf("neither %s.golden or %s.error exist, run the tests again with the -update flag to create one", base, base)
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}
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if haveGoldenError {
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require.Error(t, err)
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require.Equal(t, string(goldenError), err.Error())
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}
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if haveGoldenJSON {
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require.NoError(t, err)
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var exp pbresource.Resource
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require.NoError(t, protojson.Unmarshal(goldenJSON, &exp))
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prototest.AssertDeepEqual(t, &exp, output)
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}
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})
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}
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}
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