mirror of https://github.com/hashicorp/consul
127 lines
2.5 KiB
Go
127 lines
2.5 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package testutils
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import (
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"context"
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"sync"
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"testing"
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"time"
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"github.com/hashicorp/consul/agent/blockingquery"
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"github.com/hashicorp/consul/agent/consul/state"
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"github.com/hashicorp/consul/agent/consul/stream"
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"github.com/stretchr/testify/require"
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)
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func TestStateStore(t *testing.T, publisher state.EventPublisher) *state.Store {
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t.Helper()
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gc, err := state.NewTombstoneGC(time.Second, time.Millisecond)
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require.NoError(t, err)
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if publisher == nil {
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publisher = stream.NoOpEventPublisher{}
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}
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return state.NewStateStoreWithEventPublisher(gc, publisher)
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}
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type Registrar func(*FakeFSM, *stream.EventPublisher)
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type FakeFSMConfig struct {
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Register Registrar
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Refresh []stream.Topic
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publisher *stream.EventPublisher
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}
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type FakeFSM struct {
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config FakeFSMConfig
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lock sync.Mutex
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store *state.Store
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}
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func newFakeFSM(t *testing.T, config FakeFSMConfig) *FakeFSM {
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t.Helper()
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store := TestStateStore(t, config.publisher)
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fsm := &FakeFSM{store: store, config: config}
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config.Register(fsm, fsm.config.publisher)
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return fsm
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}
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func (f *FakeFSM) GetStore() *state.Store {
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f.lock.Lock()
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defer f.lock.Unlock()
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return f.store
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}
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func (f *FakeFSM) ReplaceStore(store *state.Store) {
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f.lock.Lock()
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defer f.lock.Unlock()
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oldStore := f.store
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f.store = store
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oldStore.Abandon()
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for _, topic := range f.config.Refresh {
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f.config.publisher.RefreshTopic(topic)
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}
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}
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type FakeBlockingFSM struct {
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store *state.Store
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}
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func NewFakeBlockingFSM(t *testing.T) *FakeBlockingFSM {
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t.Helper()
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store := TestStateStore(t, nil)
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fsm := &FakeBlockingFSM{store: store}
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return fsm
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}
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func (f *FakeBlockingFSM) GetState() *state.Store {
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return f.store
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}
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func (f *FakeBlockingFSM) ConsistentRead() error {
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return nil
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}
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func (f *FakeBlockingFSM) DecrementBlockingQueries() uint64 {
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return 0
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}
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func (f *FakeBlockingFSM) IncrementBlockingQueries() uint64 {
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return 0
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}
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func (f *FakeBlockingFSM) GetShutdownChannel() chan struct{} {
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return nil
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}
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func (f *FakeBlockingFSM) RPCQueryTimeout(queryTimeout time.Duration) time.Duration {
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return queryTimeout
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}
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func (f *FakeBlockingFSM) SetQueryMeta(blockingquery.ResponseMeta, string) {
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}
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func SetupFSMAndPublisher(t *testing.T, config FakeFSMConfig) (*FakeFSM, state.EventPublisher) {
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t.Helper()
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config.publisher = stream.NewEventPublisher(10 * time.Second)
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fsm := newFakeFSM(t, config)
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ctx, cancel := context.WithCancel(context.Background())
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t.Cleanup(cancel)
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go config.publisher.Run(ctx)
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return fsm, config.publisher
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}
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