/
subscriber.go
138 lines (101 loc) · 3.65 KB
/
subscriber.go
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// Copyright 2019 Aporeto Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package maniptest
import (
"context"
"sync"
"testing"
"go.aporeto.io/elemental"
"go.aporeto.io/manipulate"
)
type mockedSubscriberMethods struct {
startMock func(context.Context, *elemental.PushFilter)
updateFilerMock func(*elemental.PushFilter)
eventsMock func() chan *elemental.Event
errorsMock func() chan error
statusMock func() chan manipulate.SubscriberStatus
}
// A TestSubscriber is the interface of mockable test manipulator.
type TestSubscriber interface {
manipulate.Subscriber
MockStart(t *testing.T, impl func(context.Context, *elemental.PushFilter))
MockUpdateFilter(t *testing.T, impl func(*elemental.PushFilter))
MockEvents(t *testing.T, impl func() chan *elemental.Event)
MockErrors(t *testing.T, impl func() chan error)
MockStatus(t *testing.T, impl func() chan manipulate.SubscriberStatus)
}
// A testSubscriber is an empty TransactionalManipulator that can be easily mocked.
type testSubscriber struct {
mocks map[*testing.T]*mockedSubscriberMethods
lock *sync.Mutex
currentTest *testing.T
}
// NewTestSubscriber returns a new TestSubscriber.
func NewTestSubscriber() TestSubscriber {
return &testSubscriber{
lock: &sync.Mutex{},
mocks: map[*testing.T]*mockedSubscriberMethods{},
}
}
func (m *testSubscriber) MockStart(t *testing.T, impl func(context.Context, *elemental.PushFilter)) {
m.currentMocks(t).startMock = impl
}
func (m *testSubscriber) MockUpdateFilter(t *testing.T, impl func(*elemental.PushFilter)) {
m.currentMocks(t).updateFilerMock = impl
}
func (m *testSubscriber) MockEvents(t *testing.T, impl func() chan *elemental.Event) {
m.currentMocks(t).eventsMock = impl
}
func (m *testSubscriber) MockErrors(t *testing.T, impl func() chan error) {
m.currentMocks(t).errorsMock = impl
}
func (m *testSubscriber) MockStatus(t *testing.T, impl func() chan manipulate.SubscriberStatus) {
m.currentMocks(t).statusMock = impl
}
func (m *testSubscriber) Start(ctx context.Context, filter *elemental.PushFilter) {
if mock := m.currentMocks(m.currentTest); mock != nil && mock.startMock != nil {
mock.startMock(ctx, filter)
}
}
func (m *testSubscriber) UpdateFilter(filter *elemental.PushFilter) {
if mock := m.currentMocks(m.currentTest); mock != nil && mock.updateFilerMock != nil {
mock.updateFilerMock(filter)
}
}
func (m *testSubscriber) Events() chan *elemental.Event {
if mock := m.currentMocks(m.currentTest); mock != nil && mock.eventsMock != nil {
return mock.eventsMock()
}
return nil
}
func (m *testSubscriber) Errors() chan error {
if mock := m.currentMocks(m.currentTest); mock != nil && mock.errorsMock != nil {
return mock.errorsMock()
}
return nil
}
func (m *testSubscriber) Status() chan manipulate.SubscriberStatus {
if mock := m.currentMocks(m.currentTest); mock != nil && mock.statusMock != nil {
return mock.statusMock()
}
return nil
}
func (m *testSubscriber) currentMocks(t *testing.T) *mockedSubscriberMethods {
m.lock.Lock()
defer m.lock.Unlock()
mocks := m.mocks[t]
if mocks == nil {
mocks = &mockedSubscriberMethods{}
m.mocks[t] = mocks
}
m.currentTest = t
return mocks
}