mirror of https://github.com/hashicorp/consul
430 lines
12 KiB
Go
430 lines
12 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package resource_test
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import (
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"context"
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"errors"
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"io"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"github.com/hashicorp/consul/acl"
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svc "github.com/hashicorp/consul/agent/grpc-external/services/resource"
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svctest "github.com/hashicorp/consul/agent/grpc-external/services/resource/testing"
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"github.com/hashicorp/consul/agent/grpc-external/testutils"
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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/proto-public/pbresource"
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"github.com/hashicorp/consul/proto/private/prototest"
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)
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// TODO: Update all tests to use true/false table test for v2tenancy
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func TestWatchList_InputValidation(t *testing.T) {
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client := svctest.NewResourceServiceBuilder().
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WithRegisterFns(demo.RegisterTypes).
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Run(t)
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type testCase struct {
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modFn func(*pbresource.WatchListRequest)
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errContains string
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}
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testCases := map[string]testCase{
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"no type": {
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modFn: func(req *pbresource.WatchListRequest) { req.Type = nil },
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errContains: "type is required",
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},
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"partition mixed case": {
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modFn: func(req *pbresource.WatchListRequest) { req.Tenancy.Partition = "Default" },
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errContains: "tenancy.partition invalid",
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},
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"partition too long": {
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modFn: func(req *pbresource.WatchListRequest) {
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req.Tenancy.Partition = strings.Repeat("p", resource.MaxNameLength+1)
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},
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errContains: "tenancy.partition invalid",
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},
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"namespace mixed case": {
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modFn: func(req *pbresource.WatchListRequest) { req.Tenancy.Namespace = "Default" },
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errContains: "tenancy.namespace invalid",
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},
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"namespace too long": {
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modFn: func(req *pbresource.WatchListRequest) {
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req.Tenancy.Namespace = strings.Repeat("n", resource.MaxNameLength+1)
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},
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errContains: "tenancy.namespace invalid",
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},
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"name_prefix mixed case": {
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modFn: func(req *pbresource.WatchListRequest) { req.NamePrefix = "Smashing" },
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errContains: "name_prefix invalid",
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},
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"partitioned type provides non-empty namespace": {
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modFn: func(req *pbresource.WatchListRequest) {
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req.Type = demo.TypeV1RecordLabel
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req.Tenancy.Namespace = "bad"
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},
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errContains: "cannot have a namespace",
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},
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"cluster scope with non-empty partition": {
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modFn: func(req *pbresource.WatchListRequest) {
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req.Type = demo.TypeV1Executive
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req.Tenancy = &pbresource.Tenancy{Partition: "bad"}
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},
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errContains: "cannot have a partition",
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},
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"cluster scope with non-empty namespace": {
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modFn: func(req *pbresource.WatchListRequest) {
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req.Type = demo.TypeV1Executive
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req.Tenancy = &pbresource.Tenancy{Namespace: "bad"}
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},
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errContains: "cannot have a namespace",
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},
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}
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for desc, tc := range testCases {
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t.Run(desc, func(t *testing.T) {
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req := &pbresource.WatchListRequest{
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Type: demo.TypeV2Album,
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Tenancy: resource.DefaultNamespacedTenancy(),
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}
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tc.modFn(req)
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stream, err := client.WatchList(testContext(t), req)
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require.NoError(t, err)
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_, err = stream.Recv()
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require.Error(t, err)
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require.Equal(t, codes.InvalidArgument.String(), status.Code(err).String())
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require.ErrorContains(t, err, tc.errContains)
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})
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}
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}
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func TestWatchList_TypeNotFound(t *testing.T) {
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t.Parallel()
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client := svctest.NewResourceServiceBuilder().Run(t)
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stream, err := client.WatchList(context.Background(), &pbresource.WatchListRequest{
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Type: demo.TypeV2Artist,
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Tenancy: resource.DefaultNamespacedTenancy(),
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NamePrefix: "",
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})
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require.NoError(t, err)
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rspCh := handleResourceStream(t, stream)
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err = mustGetError(t, rspCh)
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require.Equal(t, codes.InvalidArgument.String(), status.Code(err).String())
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require.Contains(t, err.Error(), "resource type demo.v2.Artist not registered")
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}
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func TestWatchList_GroupVersionMatches(t *testing.T) {
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t.Parallel()
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server := testServer(t)
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client := testClient(t, server)
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demo.RegisterTypes(server.Registry)
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ctx := context.Background()
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// create a watch
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stream, err := client.WatchList(ctx, &pbresource.WatchListRequest{
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Type: demo.TypeV2Artist,
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Tenancy: resource.DefaultNamespacedTenancy(),
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NamePrefix: "",
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})
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require.NoError(t, err)
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rspCh := handleResourceStream(t, stream)
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artist, err := demo.GenerateV2Artist()
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require.NoError(t, err)
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// insert and verify upsert event received
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r1, err := server.Backend.WriteCAS(ctx, artist)
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require.NoError(t, err)
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rsp := mustGetResource(t, rspCh)
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require.Equal(t, pbresource.WatchEvent_OPERATION_UPSERT, rsp.Operation)
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prototest.AssertDeepEqual(t, r1, rsp.Resource)
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// update and verify upsert event received
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r2 := modifyArtist(t, r1)
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r2, err = server.Backend.WriteCAS(ctx, r2)
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require.NoError(t, err)
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rsp = mustGetResource(t, rspCh)
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require.Equal(t, pbresource.WatchEvent_OPERATION_UPSERT, rsp.Operation)
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prototest.AssertDeepEqual(t, r2, rsp.Resource)
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// delete and verify delete event received
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err = server.Backend.DeleteCAS(ctx, r2.Id, r2.Version)
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require.NoError(t, err)
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rsp = mustGetResource(t, rspCh)
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require.Equal(t, pbresource.WatchEvent_OPERATION_DELETE, rsp.Operation)
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}
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func TestWatchList_Tenancy_Defaults_And_Normalization(t *testing.T) {
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// Test units of tenancy get lowercased and defaulted correctly when empty.
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for desc, tc := range wildcardTenancyCases() {
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t.Run(desc, func(t *testing.T) {
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ctx := context.Background()
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client := svctest.NewResourceServiceBuilder().
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WithRegisterFns(demo.RegisterTypes).
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Run(t)
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// Create a watch.
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stream, err := client.WatchList(ctx, &pbresource.WatchListRequest{
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Type: tc.typ,
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Tenancy: tc.tenancy,
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NamePrefix: "",
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})
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require.NoError(t, err)
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rspCh := handleResourceStream(t, stream)
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// Testcase will pick one of executive, recordLabel or artist based on scope of type.
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recordLabel, err := demo.GenerateV1RecordLabel("looney-tunes")
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require.NoError(t, err)
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artist, err := demo.GenerateV2Artist()
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require.NoError(t, err)
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executive, err := demo.GenerateV1Executive("king-arthur", "CEO")
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require.NoError(t, err)
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// Create and verify upsert event received.
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rlRsp, err := client.Write(ctx, &pbresource.WriteRequest{Resource: recordLabel})
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require.NoError(t, err)
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artistRsp, err := client.Write(ctx, &pbresource.WriteRequest{Resource: artist})
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require.NoError(t, err)
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executiveRsp, err := client.Write(ctx, &pbresource.WriteRequest{Resource: executive})
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require.NoError(t, err)
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var expected *pbresource.Resource
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switch {
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case resource.EqualType(tc.typ, demo.TypeV1RecordLabel):
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expected = rlRsp.Resource
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case resource.EqualType(tc.typ, demo.TypeV2Artist):
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expected = artistRsp.Resource
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case resource.EqualType(tc.typ, demo.TypeV1Executive):
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expected = executiveRsp.Resource
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default:
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require.Fail(t, "unsupported type", tc.typ)
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}
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rsp := mustGetResource(t, rspCh)
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require.Equal(t, pbresource.WatchEvent_OPERATION_UPSERT, rsp.Operation)
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prototest.AssertDeepEqual(t, expected, rsp.Resource)
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})
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}
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}
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func TestWatchList_GroupVersionMismatch(t *testing.T) {
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// Given a watch on TypeArtistV1 that only differs from TypeArtistV2 by GroupVersion
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// When a resource of TypeArtistV2 is created/updated/deleted
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// Then no watch events should be emitted
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t.Parallel()
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server := testServer(t)
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demo.RegisterTypes(server.Registry)
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client := testClient(t, server)
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ctx := context.Background()
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// create a watch for TypeArtistV1
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stream, err := client.WatchList(ctx, &pbresource.WatchListRequest{
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Type: demo.TypeV1Artist,
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Tenancy: resource.DefaultNamespacedTenancy(),
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NamePrefix: "",
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})
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require.NoError(t, err)
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rspCh := handleResourceStream(t, stream)
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artist, err := demo.GenerateV2Artist()
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require.NoError(t, err)
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// insert
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r1, err := server.Backend.WriteCAS(ctx, artist)
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require.NoError(t, err)
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// update
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r2 := clone(r1)
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r2, err = server.Backend.WriteCAS(ctx, r2)
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require.NoError(t, err)
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// delete
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err = server.Backend.DeleteCAS(ctx, r2.Id, r2.Version)
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require.NoError(t, err)
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// verify no events received
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mustGetNoResource(t, rspCh)
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}
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// N.B. Uses key ACLs for now. See demo.RegisterTypes()
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func TestWatchList_ACL_ListDenied(t *testing.T) {
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t.Parallel()
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// deny all
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rspCh, _ := roundTripACL(t, testutils.ACLNoPermissions(t))
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// verify key:list denied
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err := mustGetError(t, rspCh)
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require.Error(t, err)
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require.Equal(t, codes.PermissionDenied.String(), status.Code(err).String())
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require.Contains(t, err.Error(), "lacks permission 'key:list'")
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}
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// N.B. Uses key ACLs for now. See demo.RegisterTypes()
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func TestWatchList_ACL_ListAllowed_ReadDenied(t *testing.T) {
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t.Parallel()
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// allow list, deny read
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authz := AuthorizerFrom(t, `
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key_prefix "resource/" { policy = "list" }
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key_prefix "resource/demo.v2.Artist/" { policy = "deny" }
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`)
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rspCh, _ := roundTripACL(t, authz)
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// verify resource filtered out by key:read denied, hence no events
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mustGetNoResource(t, rspCh)
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}
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// N.B. Uses key ACLs for now. See demo.RegisterTypes()
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func TestWatchList_ACL_ListAllowed_ReadAllowed(t *testing.T) {
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t.Parallel()
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// allow list, allow read
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authz := AuthorizerFrom(t, `
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key_prefix "resource/" { policy = "list" }
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key_prefix "resource/demo.v2.Artist/" { policy = "read" }
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`)
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rspCh, artist := roundTripACL(t, authz)
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// verify resource not filtered out by acl
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event := mustGetResource(t, rspCh)
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prototest.AssertDeepEqual(t, artist, event.Resource)
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}
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// roundtrip a WatchList which attempts to stream back a single write event
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func roundTripACL(t *testing.T, authz acl.Authorizer) (<-chan resourceOrError, *pbresource.Resource) {
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server := testServer(t)
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client := testClient(t, server)
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mockACLResolver := &svc.MockACLResolver{}
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mockACLResolver.On("ResolveTokenAndDefaultMeta", mock.Anything, mock.Anything, mock.Anything).
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Return(authz, nil)
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server.ACLResolver = mockACLResolver
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demo.RegisterTypes(server.Registry)
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artist, err := demo.GenerateV2Artist()
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require.NoError(t, err)
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stream, err := client.WatchList(testContext(t), &pbresource.WatchListRequest{
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Type: artist.Id.Type,
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Tenancy: artist.Id.Tenancy,
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NamePrefix: "",
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})
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require.NoError(t, err)
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rspCh := handleResourceStream(t, stream)
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// induce single watch event
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artist, err = server.Backend.WriteCAS(context.Background(), artist)
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require.NoError(t, err)
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// caller to make assertions on the rspCh and written artist
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return rspCh, artist
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}
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func mustGetNoResource(t *testing.T, ch <-chan resourceOrError) {
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t.Helper()
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select {
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case rsp := <-ch:
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require.NoError(t, rsp.err)
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require.Nil(t, rsp.rsp, "expected nil response with no error")
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case <-time.After(250 * time.Millisecond):
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return
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}
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}
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func mustGetResource(t *testing.T, ch <-chan resourceOrError) *pbresource.WatchEvent {
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t.Helper()
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select {
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case rsp := <-ch:
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require.NoError(t, rsp.err)
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return rsp.rsp
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case <-time.After(1 * time.Second):
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t.Fatal("timeout waiting for WatchListResponse")
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return nil
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}
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}
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func mustGetError(t *testing.T, ch <-chan resourceOrError) error {
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t.Helper()
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select {
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case rsp := <-ch:
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require.Error(t, rsp.err)
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return rsp.err
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case <-time.After(2 * time.Second):
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t.Fatal("timeout waiting for WatchListResponse")
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return nil
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}
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}
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func handleResourceStream(t *testing.T, stream pbresource.ResourceService_WatchListClient) <-chan resourceOrError {
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t.Helper()
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rspCh := make(chan resourceOrError)
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go func() {
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for {
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rsp, err := stream.Recv()
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if errors.Is(err, io.EOF) ||
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errors.Is(err, context.Canceled) ||
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errors.Is(err, context.DeadlineExceeded) {
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return
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}
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rspCh <- resourceOrError{
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rsp: rsp,
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err: err,
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}
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}
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}()
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return rspCh
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}
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type resourceOrError struct {
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rsp *pbresource.WatchEvent
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err error
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}
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func TestWatchList_NoTenancy(t *testing.T) {
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t.Parallel()
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ctx := context.Background()
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client := svctest.NewResourceServiceBuilder().
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WithRegisterFns(demo.RegisterTypes).
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Run(t)
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// Create a watch.
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stream, err := client.WatchList(ctx, &pbresource.WatchListRequest{
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Type: demo.TypeV1RecordLabel,
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})
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require.NoError(t, err)
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rspCh := handleResourceStream(t, stream)
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recordLabel, err := demo.GenerateV1RecordLabel("looney-tunes")
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require.NoError(t, err)
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// Create and verify upsert event received.
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rsp1, err := client.Write(ctx, &pbresource.WriteRequest{Resource: recordLabel})
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require.NoError(t, err)
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rsp2 := mustGetResource(t, rspCh)
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require.Equal(t, pbresource.WatchEvent_OPERATION_UPSERT, rsp2.Operation)
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prototest.AssertDeepEqual(t, rsp1.Resource, rsp2.Resource)
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}
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