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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,263 @@ | ||
| // Copyright (c) 2017 Cisco and/or its affiliates. | ||
| // | ||
| // 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 core | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/ligato/cn-infra/logging/logrus" | ||
| "github.com/onsi/gomega" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
|
||
| func TestEmptyAgent(t *testing.T) { | ||
| gomega.RegisterTestingT(t) | ||
|
|
||
| agent := NewAgent(logrus.StandardLogger(), 1*time.Second) | ||
| gomega.Expect(agent).NotTo(gomega.BeNil()) | ||
| err := agent.Start() | ||
| gomega.Expect(err).To(gomega.BeNil()) | ||
| err = agent.Stop() | ||
| gomega.Expect(err).To(gomega.BeNil()) | ||
| } | ||
|
|
||
| func TestEventLoopWithInterrupt(t *testing.T) { | ||
| gomega.RegisterTestingT(t) | ||
|
|
||
| plugins := []*TestPlugin{{}, {}, {}} | ||
|
|
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| namedPlugins := []*NamedPlugin{{"First", plugins[0]}, | ||
| {"Second", plugins[1]}, | ||
| {"Third", plugins[2]}} | ||
|
|
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| for _, p := range plugins { | ||
| gomega.Expect(p.Initialized()).To(gomega.BeFalse()) | ||
| gomega.Expect(p.AfterInitialized()).To(gomega.BeFalse()) | ||
| gomega.Expect(p.Closed()).To(gomega.BeFalse()) | ||
| } | ||
|
|
||
| agent := NewAgent(logrus.StandardLogger(), 100*time.Millisecond, namedPlugins...) | ||
| closeCh := make(chan struct{}) | ||
| errCh := make(chan error) | ||
| go func() { | ||
| errCh <- EventLoopWithInterrupt(agent, closeCh) | ||
| }() | ||
|
|
||
| time.Sleep(100 * time.Millisecond) | ||
| for _, p := range plugins { | ||
| gomega.Expect(p.Initialized()).To(gomega.BeTrue()) | ||
| gomega.Expect(p.AfterInitialized()).To(gomega.BeTrue()) | ||
| gomega.Expect(p.Closed()).To(gomega.BeFalse()) | ||
| } | ||
| close(closeCh) | ||
|
|
||
| select { | ||
| case errCh := <-errCh: | ||
| gomega.Expect(errCh).To(gomega.BeNil()) | ||
| case <-time.After(100 * time.Millisecond): | ||
| t.FailNow() | ||
| } | ||
|
|
||
| for _, p := range plugins { | ||
| gomega.Expect(p.Closed()).To(gomega.BeTrue()) | ||
| } | ||
| } | ||
|
|
||
| func TestEventLoopFailInit(t *testing.T) { | ||
| gomega.RegisterTestingT(t) | ||
|
|
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| plugins := []*TestPlugin{{}, {}, NewTestPlugin(true, false, false)} | ||
|
|
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| namedPlugins := []*NamedPlugin{{"First", plugins[0]}, | ||
| {"Second", plugins[1]}, | ||
| {"Third", plugins[2]}} | ||
|
|
||
| for _, p := range plugins { | ||
| gomega.Expect(p.Initialized()).To(gomega.BeFalse()) | ||
| gomega.Expect(p.AfterInitialized()).To(gomega.BeFalse()) | ||
| gomega.Expect(p.Closed()).To(gomega.BeFalse()) | ||
| } | ||
|
|
||
| agent := NewAgent(logrus.StandardLogger(), 100*time.Millisecond, namedPlugins...) | ||
| closeCh := make(chan struct{}) | ||
| errCh := make(chan error) | ||
| go func() { | ||
| errCh <- EventLoopWithInterrupt(agent, closeCh) | ||
| }() | ||
|
|
||
| select { | ||
| case errCh := <-errCh: | ||
| gomega.Expect(errCh).NotTo(gomega.BeNil()) | ||
| case <-time.After(100 * time.Millisecond): | ||
| t.FailNow() | ||
| } | ||
|
|
||
| for _, p := range plugins { | ||
| gomega.Expect(p.Initialized()).To(gomega.BeTrue()) | ||
| // initialization failed of a plugin failed, afterInit was not called | ||
| gomega.Expect(p.AfterInitialized()).To(gomega.BeFalse()) | ||
| gomega.Expect(p.Closed()).To(gomega.BeTrue()) | ||
| } | ||
| close(closeCh) | ||
|
|
||
| } | ||
|
|
||
| func TestEventLoopAfterInitFailed(t *testing.T) { | ||
| gomega.RegisterTestingT(t) | ||
|
|
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| plugins := []*TestPlugin{{}, NewTestPlugin(false, true, false), {}} | ||
|
|
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| namedPlugins := []*NamedPlugin{{"First", plugins[0]}, | ||
| {"Second", plugins[1]}, | ||
| {"Third", plugins[2]}} | ||
|
|
||
| for _, p := range plugins { | ||
| gomega.Expect(p.Initialized()).To(gomega.BeFalse()) | ||
| gomega.Expect(p.AfterInitialized()).To(gomega.BeFalse()) | ||
| gomega.Expect(p.Closed()).To(gomega.BeFalse()) | ||
| } | ||
|
|
||
| agent := NewAgent(logrus.StandardLogger(), 100*time.Millisecond, namedPlugins...) | ||
| closeCh := make(chan struct{}) | ||
| errCh := make(chan error) | ||
| go func() { | ||
| errCh <- EventLoopWithInterrupt(agent, closeCh) | ||
| }() | ||
|
|
||
| select { | ||
| case errCh := <-errCh: | ||
| gomega.Expect(errCh).NotTo(gomega.BeNil()) | ||
| case <-time.After(100 * time.Millisecond): | ||
| t.FailNow() | ||
| } | ||
|
|
||
| for _, p := range plugins { | ||
| gomega.Expect(p.Initialized()).To(gomega.BeTrue()) | ||
| gomega.Expect(p.Closed()).To(gomega.BeTrue()) | ||
| } | ||
| close(closeCh) | ||
|
|
||
| gomega.Expect(plugins[0].AfterInitialized()).To(gomega.BeTrue()) | ||
| gomega.Expect(plugins[1].AfterInitialized()).To(gomega.BeTrue()) | ||
| // afterInit of the second plugin failed thus the third was not afterInitialized | ||
| gomega.Expect(plugins[2].AfterInitialized()).To(gomega.BeFalse()) | ||
|
|
||
| } | ||
|
|
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| func TestEventLoopCloseFailed(t *testing.T) { | ||
| gomega.RegisterTestingT(t) | ||
|
|
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| plugins := []*TestPlugin{NewTestPlugin(false, false, true), {}, {}} | ||
|
|
||
| namedPlugins := []*NamedPlugin{{"First", plugins[0]}, | ||
| {"Second", plugins[1]}, | ||
| {"Third", plugins[2]}} | ||
|
|
||
| for _, p := range plugins { | ||
| gomega.Expect(p.Initialized()).To(gomega.BeFalse()) | ||
| gomega.Expect(p.AfterInitialized()).To(gomega.BeFalse()) | ||
| gomega.Expect(p.Closed()).To(gomega.BeFalse()) | ||
| } | ||
|
|
||
| agent := NewAgent(logrus.StandardLogger(), 100*time.Millisecond, namedPlugins...) | ||
| closeCh := make(chan struct{}) | ||
| errCh := make(chan error) | ||
| go func() { | ||
| errCh <- EventLoopWithInterrupt(agent, closeCh) | ||
| }() | ||
|
|
||
| time.Sleep(100 * time.Millisecond) | ||
| for _, p := range plugins { | ||
| gomega.Expect(p.Initialized()).To(gomega.BeTrue()) | ||
| gomega.Expect(p.AfterInitialized()).To(gomega.BeTrue()) | ||
| gomega.Expect(p.Closed()).To(gomega.BeFalse()) | ||
| } | ||
|
|
||
| close(closeCh) | ||
|
|
||
| select { | ||
| case errCh := <-errCh: | ||
| gomega.Expect(errCh).NotTo(gomega.BeNil()) | ||
| case <-time.After(100 * time.Millisecond): | ||
| t.FailNow() | ||
| } | ||
|
|
||
| for _, p := range plugins { | ||
| gomega.Expect(p.Closed()).To(gomega.BeTrue()) | ||
| } | ||
|
|
||
| } | ||
|
|
||
| type TestPlugin struct { | ||
| failInit bool | ||
| failAfterInit bool | ||
| failClose bool | ||
|
|
||
| sync.Mutex | ||
| initCalled bool | ||
| afterInitCalled bool | ||
| closeCalled bool | ||
| } | ||
|
|
||
| func NewTestPlugin(failInit, failAfterInit, failClose bool) *TestPlugin { | ||
| return &TestPlugin{failInit: failInit, failAfterInit: failAfterInit, failClose: failClose} | ||
| } | ||
|
|
||
| func (p *TestPlugin) Init() error { | ||
| p.Lock() | ||
| defer p.Unlock() | ||
| p.initCalled = true | ||
| if p.failInit { | ||
| return fmt.Errorf("Init failed") | ||
| } | ||
| return nil | ||
| } | ||
| func (p *TestPlugin) AfterInit() error { | ||
| p.Lock() | ||
| defer p.Unlock() | ||
| p.afterInitCalled = true | ||
| if p.failAfterInit { | ||
| return fmt.Errorf("AfterInit failed") | ||
| } | ||
| return nil | ||
| } | ||
| func (p *TestPlugin) Close() error { | ||
| p.Lock() | ||
| defer p.Unlock() | ||
| p.closeCalled = true | ||
| if p.failClose { | ||
| return fmt.Errorf("Close failed") | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (p *TestPlugin) Initialized() bool { | ||
| p.Lock() | ||
| defer p.Unlock() | ||
| return p.initCalled | ||
| } | ||
|
|
||
| func (p *TestPlugin) AfterInitialized() bool { | ||
| p.Lock() | ||
| defer p.Unlock() | ||
| return p.afterInitCalled | ||
| } | ||
|
|
||
| func (p *TestPlugin) Closed() bool { | ||
| p.Lock() | ||
| defer p.Unlock() | ||
| return p.closeCalled | ||
| } |
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