mirror of https://github.com/hashicorp/consul
112 lines
3.6 KiB
Go
112 lines
3.6 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package xdsv2
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import (
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envoy_cluster_v3 "github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3"
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envoy_listener_v3 "github.com/envoyproxy/go-control-plane/envoy/config/listener/v3"
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"github.com/hashicorp/consul/agent/xds/response"
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"github.com/hashicorp/consul/envoyextensions/xdscommon"
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proxytracker "github.com/hashicorp/consul/internal/mesh/proxy-tracker"
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meshv1alpha1 "github.com/hashicorp/consul/proto-public/pbmesh/v1alpha1"
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"github.com/hashicorp/consul/sdk/testutil"
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"os"
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"path/filepath"
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"sort"
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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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"google.golang.org/protobuf/proto"
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)
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func TestResources_ImplicitDestinations(t *testing.T) {
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cases := map[string]struct {
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}{
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"l4-single-implicit-destination-tproxy": {},
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}
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for name := range cases {
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goldenValueInput := goldenValueJSON(t, name, "input")
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proxyTemplate := jsonToProxyTemplate(t, goldenValueInput)
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generator := NewResourceGenerator(testutil.Logger(t))
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resources, err := generator.AllResourcesFromIR(&proxytracker.ProxyState{ProxyState: proxyTemplate.ProxyState})
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require.NoError(t, err)
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verifyClusterResourcesToGolden(t, resources, name)
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verifyListenerResourcesToGolden(t, resources, name)
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}
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}
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func verifyClusterResourcesToGolden(t *testing.T, resources map[string][]proto.Message, testName string) {
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clusters := resources[xdscommon.ClusterType]
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// The order of clusters returned via CDS isn't relevant, so it's safe
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// to sort these for the purposes of test comparisons.
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sort.Slice(clusters, func(i, j int) bool {
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return clusters[i].(*envoy_cluster_v3.Cluster).Name < clusters[j].(*envoy_cluster_v3.Cluster).Name
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})
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resp, err := response.CreateResponse(xdscommon.ClusterType, "00000001", "00000001", clusters)
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require.NoError(t, err)
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gotJSON := protoToJSON(t, resp)
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expectedJSON := goldenValue(t, filepath.Join("clusters", testName), "output")
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require.JSONEq(t, expectedJSON, gotJSON)
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}
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func verifyListenerResourcesToGolden(t *testing.T, resources map[string][]proto.Message, testName string) {
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listeners := resources[xdscommon.ListenerType]
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// The order of clusters returned via CDS isn't relevant, so it's safe
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// to sort these for the purposes of test comparisons.
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sort.Slice(listeners, func(i, j int) bool {
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return listeners[i].(*envoy_listener_v3.Listener).Name < listeners[j].(*envoy_listener_v3.Listener).Name
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})
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resp, err := response.CreateResponse(xdscommon.ListenerType, "00000001", "00000001", listeners)
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require.NoError(t, err)
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gotJSON := protoToJSON(t, resp)
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expectedJSON := goldenValue(t, filepath.Join("listeners", testName), "output")
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require.JSONEq(t, expectedJSON, gotJSON)
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}
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func protoToJSON(t *testing.T, pb proto.Message) string {
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t.Helper()
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m := protojson.MarshalOptions{
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Indent: " ",
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}
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gotJSON, err := m.Marshal(pb)
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require.NoError(t, err)
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return string(gotJSON)
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}
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func jsonToProxyTemplate(t *testing.T, json []byte) *meshv1alpha1.ProxyStateTemplate {
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t.Helper()
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um := protojson.UnmarshalOptions{}
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proxyTemplate := &meshv1alpha1.ProxyStateTemplate{}
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err := um.Unmarshal(json, proxyTemplate)
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require.NoError(t, err)
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return proxyTemplate
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}
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func goldenValueJSON(t *testing.T, goldenFile, inputOutput string) []byte {
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t.Helper()
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goldenPath := filepath.Join("testdata", inputOutput, goldenFile) + ".golden"
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content, err := os.ReadFile(goldenPath)
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require.NoError(t, err)
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return content
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}
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func goldenValue(t *testing.T, goldenFile, inputOutput string) string {
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t.Helper()
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return string(goldenValueJSON(t, goldenFile, inputOutput))
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}
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