consul/agent/grpc-external/services/serverdiscovery/server_test.go

94 lines
2.4 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package serverdiscovery
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/require"
"google.golang.org/grpc"
"github.com/hashicorp/consul/agent/consul/autopilotevents"
"github.com/hashicorp/consul/agent/consul/state"
"github.com/hashicorp/consul/agent/consul/stream"
"github.com/hashicorp/consul/agent/grpc-external/testutils"
"github.com/hashicorp/consul/proto-public/pbserverdiscovery"
)
type mockSnapshotHandler struct {
mock.Mock
}
func newMockSnapshotHandler(t *testing.T) *mockSnapshotHandler {
handler := &mockSnapshotHandler{}
t.Cleanup(func() {
handler.AssertExpectations(t)
})
return handler
}
func (m *mockSnapshotHandler) handle(req stream.SubscribeRequest, buf stream.SnapshotAppender) (uint64, error) {
ret := m.Called(req, buf)
return ret.Get(0).(uint64), ret.Error(1)
}
func (m *mockSnapshotHandler) expect(token string, requestIndex uint64, eventIndex uint64, payload autopilotevents.EventPayloadReadyServers) {
m.On("handle", stream.SubscribeRequest{
Topic: autopilotevents.EventTopicReadyServers,
Subject: stream.SubjectNone,
Token: token,
Index: requestIndex,
}, mock.Anything).Once().Run(func(args mock.Arguments) {
buf := args.Get(1).(stream.SnapshotAppender)
buf.Append([]stream.Event{
{
Topic: autopilotevents.EventTopicReadyServers,
Index: eventIndex,
Payload: payload,
},
})
}).Return(eventIndex, nil)
}
func newMockACLResolver(t *testing.T) *MockACLResolver {
t.Helper()
m := &MockACLResolver{}
t.Cleanup(func() { m.AssertExpectations(t) })
return m
}
func setupPublisher(t *testing.T) (*mockSnapshotHandler, state.EventPublisher) {
t.Helper()
handler := newMockSnapshotHandler(t)
publisher := stream.NewEventPublisher(10 * time.Second)
publisher.RegisterHandler(autopilotevents.EventTopicReadyServers, handler.handle, false)
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
go publisher.Run(ctx)
return handler, publisher
}
func testClient(t *testing.T, server *Server) pbserverdiscovery.ServerDiscoveryServiceClient {
t.Helper()
addr := testutils.RunTestServer(t, server)
//nolint:staticcheck
conn, err := grpc.DialContext(context.Background(), addr.String(), grpc.WithInsecure())
require.NoError(t, err)
t.Cleanup(func() {
require.NoError(t, conn.Close())
})
return pbserverdiscovery.NewServerDiscoveryServiceClient(conn)
}