How to use StdoutPipe method of mocks Package

Best Syzkaller code snippet using mocks.StdoutPipe

kubectl_test.go

Source:kubectl_test.go

...40				exp := expCmdMatcher(41					[]string{"kubectl", "apply", "--force-conflicts=true", "--server-side=true", "--filename", "-"},42					"test",43				)44				mc.On("StdoutPipe", mock.MatchedBy(exp)).Once().Return(nopRC, nil)45				mc.On("Start", mock.MatchedBy(exp)).Once().Return(nil)46				mc.On("Wait", mock.MatchedBy(exp)).Once().Return(nil)47			},48		},49		"Having an error while encoding objects should stop the execution and fail.": {50			resources: []model.Resource{{ID: "test1"}},51			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {52				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return(nil, errors.New("whatever"))53			},54			expErr: true,55		},56		"Having an error while running the cmd should stop the execution and fail.": {57			resources: []model.Resource{{ID: "test1"}},58			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {59				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return(nil, nil)60				mc.On("StdoutPipe", mock.Anything).Once().Return(nopRC, nil)61				mc.On("Start", mock.Anything).Once().Return(errors.New("whatever"))62				mc.On("Wait", mock.Anything).Once().Return(nil)63			},64			expErr: true,65		},66		"Having custom command should apply with the specific cmd.": {67			config: kubectl.ManagerConfig{68				KubectlCmd: "whatever",69			},70			resources: []model.Resource{{ID: "test1"}},71			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {72				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return([]byte("test"), nil)73				exp := expCmdMatcher(74					[]string{"whatever", "apply", "--force-conflicts=true", "--server-side=true", "--filename", "-"},75					"test",76				)77				mc.On("StdoutPipe", mock.MatchedBy(exp)).Once().Return(nopRC, nil)78				mc.On("Start", mock.MatchedBy(exp)).Once().Return(nil)79				mc.On("Wait", mock.MatchedBy(exp)).Once().Return(nil)80			},81		},82		"Having kubectl context set, should set the cmd flag.": {83			config: kubectl.ManagerConfig{84				KubeContext: "whatever",85			},86			resources: []model.Resource{{ID: "test1"}},87			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {88				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return([]byte("test"), nil)89				exp := expCmdMatcher(90					[]string{"kubectl", "apply", "--context", "whatever", "--force-conflicts=true", "--server-side=true", "--filename", "-"},91					"test",92				)93				mc.On("StdoutPipe", mock.MatchedBy(exp)).Once().Return(nopRC, nil)94				mc.On("Start", mock.MatchedBy(exp)).Once().Return(nil)95				mc.On("Wait", mock.MatchedBy(exp)).Once().Return(nil)96			},97		},98		"Having kubectl config set, should set the cmd flag.": {99			config: kubectl.ManagerConfig{100				KubeConfig: "whatever",101			},102			resources: []model.Resource{{ID: "test1"}},103			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {104				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return([]byte("test"), nil)105				exp := expCmdMatcher(106					[]string{"kubectl", "apply", "--kubeconfig", "whatever", "--force-conflicts=true", "--server-side=true", "--filename", "-"},107					"test",108				)109				mc.On("StdoutPipe", mock.MatchedBy(exp)).Once().Return(nopRC, nil)110				mc.On("Start", mock.MatchedBy(exp)).Once().Return(nil)111				mc.On("Wait", mock.MatchedBy(exp)).Once().Return(nil)112			},113		},114		"Having force disabled, should set the cmd flag.": {115			config: kubectl.ManagerConfig{116				DisableKubeForceConflicts: true,117			},118			resources: []model.Resource{{ID: "test1"}},119			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {120				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return([]byte("test"), nil)121				exp := expCmdMatcher(122					[]string{"kubectl", "apply", "--force-conflicts=false", "--server-side=true", "--filename", "-"},123					"test",124				)125				mc.On("StdoutPipe", mock.MatchedBy(exp)).Once().Return(nopRC, nil)126				mc.On("Start", mock.MatchedBy(exp)).Once().Return(nil)127				mc.On("Wait", mock.MatchedBy(exp)).Once().Return(nil)128			},129		},130		"Having field manager set, should set the cmd flag.": {131			config: kubectl.ManagerConfig{132				KubeFieldManager: "whatever",133			},134			resources: []model.Resource{{ID: "test1"}},135			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {136				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return([]byte("test"), nil)137				exp := expCmdMatcher(138					[]string{"kubectl", "apply", "--force-conflicts=true", "--field-manager", "whatever", "--server-side=true", "--filename", "-"},139					"test",140				)141				mc.On("StdoutPipe", mock.MatchedBy(exp)).Once().Return(nopRC, nil)142				mc.On("Start", mock.MatchedBy(exp)).Once().Return(nil)143				mc.On("Wait", mock.MatchedBy(exp)).Once().Return(nil)144			},145		},146	}147	for name, test := range tests {148		t.Run(name, func(t *testing.T) {149			assert := assert.New(t)150			require := require.New(t)151			// Mocks.152			menc := &kubectlmock.K8sObjectEncoder{}153			mcmd := &kubectlmock.CmdRunner{}154			test.mock(menc, mcmd)155			// Prepare.156			test.config.Out = ioutil.Discard157			test.config.YAMLEncoder = menc158			test.config.CmdRunner = mcmd159			manager, err := kubectl.NewManager(test.config)160			require.NoError(err)161			// Execute.162			err = manager.Apply(context.TODO(), test.resources)163			// Check.164			if test.expErr {165				assert.Error(err)166			} else if assert.NoError(err) {167				menc.AssertExpectations(t)168				mcmd.AssertExpectations(t)169			}170		})171	}172}173func TestManagerDelete(t *testing.T) {174	tests := map[string]struct {175		config    kubectl.ManagerConfig176		resources []model.Resource177		mock      func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner)178		expErr    bool179	}{180		"Not having resources, shouldn't execute anything.": {181			resources: []model.Resource{},182			mock:      func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {},183		},184		"Having resources should delete correctly.": {185			resources: []model.Resource{186				{ID: "test1", K8sObject: newK8sObject("test1", "ns1")},187				{ID: "test2", K8sObject: newK8sObject("test2", "ns1")},188			},189			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {190				expK8sResources := []model.K8sObject{191					newK8sObject("test1", "ns1"),192					newK8sObject("test2", "ns1"),193				}194				mk.On("EncodeObjects", mock.Anything, expK8sResources).Once().Return([]byte("test"), nil)195				exp := expCmdMatcher(196					[]string{"kubectl", "delete", "--ignore-not-found=true", "--wait=false", "--filename", "-"},197					"test",198				)199				mc.On("StdoutPipe", mock.MatchedBy(exp)).Once().Return(nopRC, nil)200				mc.On("Start", mock.MatchedBy(exp)).Once().Return(nil)201				mc.On("Wait", mock.MatchedBy(exp)).Once().Return(nil)202			},203		},204		"Having an error while encoding objects should stop the execution and fail.": {205			resources: []model.Resource{{ID: "test1"}},206			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {207				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return(nil, errors.New("whatever"))208			},209			expErr: true,210		},211		"Having an error while running the cmd should stop the execution and fail.": {212			resources: []model.Resource{{ID: "test1"}},213			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {214				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return(nil, nil)215				mc.On("StdoutPipe", mock.Anything).Once().Return(nopRC, nil)216				mc.On("Start", mock.Anything).Once().Return(errors.New("whatever"))217				mc.On("Wait", mock.Anything).Once().Return(nil)218			},219			expErr: true,220		},221		"Having custom command should delete with the specific cmd.": {222			config: kubectl.ManagerConfig{223				KubectlCmd: "whatever",224			},225			resources: []model.Resource{{ID: "test1"}},226			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {227				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return([]byte("test"), nil)228				exp := expCmdMatcher(229					[]string{"whatever", "delete", "--ignore-not-found=true", "--wait=false", "--filename", "-"},230					"test",231				)232				mc.On("StdoutPipe", mock.MatchedBy(exp)).Once().Return(nopRC, nil)233				mc.On("Start", mock.MatchedBy(exp)).Once().Return(nil)234				mc.On("Wait", mock.MatchedBy(exp)).Once().Return(nil)235			},236		},237		"Having kubectl context set, should set the cmd flag.": {238			config: kubectl.ManagerConfig{239				KubeContext: "whatever",240			},241			resources: []model.Resource{{ID: "test1"}},242			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {243				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return([]byte("test"), nil)244				exp := expCmdMatcher(245					[]string{"kubectl", "delete", "--context", "whatever", "--ignore-not-found=true", "--wait=false", "--filename", "-"},246					"test",247				)248				mc.On("StdoutPipe", mock.MatchedBy(exp)).Once().Return(nopRC, nil)249				mc.On("Start", mock.MatchedBy(exp)).Once().Return(nil)250				mc.On("Wait", mock.MatchedBy(exp)).Once().Return(nil)251			},252		},253		"Having kubectl config set, should set the cmd flag.": {254			config: kubectl.ManagerConfig{255				KubeConfig: "whatever",256			},257			resources: []model.Resource{{ID: "test1"}},258			mock: func(mk *kubectlmock.K8sObjectEncoder, mc *kubectlmock.CmdRunner) {259				mk.On("EncodeObjects", mock.Anything, mock.Anything).Once().Return([]byte("test"), nil)260				exp := expCmdMatcher(261					[]string{"kubectl", "delete", "--kubeconfig", "whatever", "--ignore-not-found=true", "--wait=false", "--filename", "-"},262					"test",263				)264				mc.On("StdoutPipe", mock.MatchedBy(exp)).Once().Return(nopRC, nil)265				mc.On("Start", mock.MatchedBy(exp)).Once().Return(nil)266				mc.On("Wait", mock.MatchedBy(exp)).Once().Return(nil)267			},268		},269	}270	for name, test := range tests {271		t.Run(name, func(t *testing.T) {272			assert := assert.New(t)273			require := require.New(t)274			// Mocks.275			menc := &kubectlmock.K8sObjectEncoder{}276			mcmd := &kubectlmock.CmdRunner{}277			test.mock(menc, mcmd)278			// Prepare....

exec_mocks.go

Source:exec_mocks.go

...114func (mr *MockCmdMockRecorder) StdinPipe() *gomock.Call {115	mr.mock.ctrl.T.Helper()116	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StdinPipe", reflect.TypeOf((*MockCmd)(nil).StdinPipe))117}118// StdoutPipe mocks base method119func (m *MockCmd) StdoutPipe() (io.ReadCloser, error) {120	m.ctrl.T.Helper()121	ret := m.ctrl.Call(m, "StdoutPipe")122	ret0, _ := ret[0].(io.ReadCloser)123	ret1, _ := ret[1].(error)124	return ret0, ret1125}126// StdoutPipe indicates an expected call of StdoutPipe127func (mr *MockCmdMockRecorder) StdoutPipe() *gomock.Call {128	mr.mock.ctrl.T.Helper()129	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StdoutPipe", reflect.TypeOf((*MockCmd)(nil).StdoutPipe))130}131// Wait mocks base method132func (m *MockCmd) Wait() error {133	m.ctrl.T.Helper()134	ret := m.ctrl.Call(m, "Wait")135	ret0, _ := ret[0].(error)136	return ret0137}138// Wait indicates an expected call of Wait139func (mr *MockCmdMockRecorder) Wait() *gomock.Call {140	mr.mock.ctrl.T.Helper()141	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Wait", reflect.TypeOf((*MockCmd)(nil).Wait))142}143// MockExec is a mock of Exec interface...

DeveloperClient.go

Source:DeveloperClient.go

...74func (d *DeveloperClient) PNPMBuild() {75	  buildDir := d.WorkDir + "/frontend"76	  cmd := exec.Command("pnpm", "build")77	  cmd.Dir = buildDir78	  stdout, _ := cmd.StdoutPipe()79	  err := cmd.Start()80	  if err != nil {81		fmt.Printf("Got (error) output for build %v\n", err)82		return83	  }84	  85	  scanner := bufio.NewScanner(stdout)86	  scanner.Split(bufio.ScanLines)87	  for scanner.Scan() {88		  m := scanner.Text()89		  runtime.EventsEmit(*d.ctx, "dev:frontend|build", m)90	  }91	  // wait for command to finish92	  cmd.Wait()93}94func (d *DeveloperClient) WailsBuild() {95	buildDir := d.WorkDir96	cmd := exec.Command("wails", "build", "-nsis")97	cmd.Dir = buildDir98	stdout, _ := cmd.StdoutPipe()99	err := cmd.Start()100	if err != nil {101	  fmt.Printf("Got (error) output for build %v\n", err)102	  return103	}104	105	scanner := bufio.NewScanner(stdout)106	scanner.Split(bufio.ScanLines)107	for scanner.Scan() {108		m := scanner.Text()109		runtime.EventsEmit(*d.ctx, "dev:backend|build", m)110	}111	// wait for command to finish112	cmd.Wait()...

StdoutPipe

Using AI Code Generation

1import (2func TestStdoutPipe(t *testing.T) {3	cmd := exec.Command("echo", "hello")4	stdout, err := cmd.StdoutPipe()5	if err != nil {6		t.Fatal(err)7	}8	if err := cmd.Start(); err != nil {9		t.Fatal(err)10	}11	buf := make([]byte, 5)12	n, err := stdout.Read(buf)13	if err != nil {14		t.Fatal(err)15	}16	fmt.Printf("buf: %s17	if err := cmd.Wait(); err != nil {18		t.Fatal(err)19	}20}

StdoutPipe

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-l")4	stdout, err := cmd.StdoutPipe()5	if err != nil {6		fmt.Println(err)7		os.Exit(1)8	}9	if err := cmd.Start(); err != nil {10		fmt.Println(err)11		os.Exit(1)12	}13	if _, err := os.Wait4(cmd.Process.Pid, &status, 0, nil); err != nil {14		fmt.Println(err)15		os.Exit(1)16	}17	fmt.Println("Exit status: ", status.ExitStatus())18	fmt.Println("Exit signal: ", status.Signal())19	fmt.Println("Stop signal: ", status.StopSignal())20	fmt.Println("Stop signal: ", status.Stopped())21	fmt.Println("Continued: ", status.Continued())22	fmt.Println("Core dump: ", status.CoreDump())23	fmt.Println("Exit code: ", status.ExitCode())24	fmt.Println("Signaled: ", status.Signaled())25	fmt.Println("TrapCause: ", status.TrapCause())26	fmt.Println("If Core: ", status.IfCoreDump())27	fmt.Println("If stopped: ", status.IfStopped())28	n, err := stdout.Read(buf[:])29	if err != nil {30		fmt.Println(err)31		os.Exit(1)32	}33	fmt.Printf("%s", buf[:n])34}35import (

StdoutPipe

Using AI Code Generation

1import (2func TestStdoutPipe(t *testing.T) {3	ctrl := gomock.NewController(t)4	defer ctrl.Finish()5	mockCmd := mocks.NewMockCmd(ctrl)6	mockPipe := mocks.NewMockPipe(ctrl)7	mockFile := mocks.NewMockFile(ctrl)8	mockCmd.EXPECT().StdoutPipe().Return(mockPipe, nil)9	mockPipe.EXPECT().Read(gomock.Any()).Return(0, nil)10	mockPipe.EXPECT().Close().Return(nil)11	mockCmd.EXPECT().Run().Return(nil)12	mockCmd.EXPECT().Output().Return(nil, nil)13	mockFile.EXPECT().Write(gomock.Any()).Return(0, nil)14	mockFile.EXPECT().Close().Return(nil)15	mockFile.EXPECT().Read(gomock.Any()).Return(0, nil)16	mockFile.EXPECT().Seek(gomock.Any(), gomock.Any()).Return(0, nil)17	mockFile.EXPECT().Stat().Return(nil, nil)18	mockFile.EXPECT().WriteString(gomock.Any()).Return(0, nil)19	mockFile.EXPECT().Readdir(gomock.Any()).Return(nil, nil)20	mockFile.EXPECT().Readdirnames(gomock.Any()).Return(nil, nil

StdoutPipe

Using AI Code Generation

1import (2func TestStdoutPipe(t *testing.T) {3	cmd := exec.Command("go", "version")4	stdout, err := cmd.StdoutPipe()5	if err != nil {6		t.Fatal(err)7	}8	if err := cmd.Start(); err != nil {9		t.Fatal(err)10	}11	in := bufio.NewScanner(stdout)12	in.Split(bufio.ScanWords)13	for in.Scan() {14		t.Log(in.Text())15	}16	if err := cmd.Wait(); err != nil {17		t.Fatal(err)18	}19}20import (21func TestStderrPipe(t *testing.T) {22	cmd := exec.Command("go", "version")23	stderr, err := cmd.StderrPipe()24	if err != nil {25		t.Fatal(err)26	}27	if err := cmd.Start(); err != nil {28		t.Fatal(err)29	}30	in := bufio.NewScanner(stderr)31	in.Split(bufio.ScanWords)32	for in.Scan() {33		t.Log(in.Text())34	}35	if err := cmd.Wait(); err != nil {36		t.Fatal(err)37	}38}39import (40func TestStdinPipe(t *testing.T) {41	cmd := exec.Command("cat")42	stdin, err := cmd.StdinPipe()43	if err != nil {44		t.Fatal(err)45	}46	if err := cmd.Start(); err != nil {47		t.Fatal(err)48	}49	in := bufio.NewScanner(os.Stdin)50	for in.Scan() {51		fmt.Fprintln(stdin, in.Text())52	}53	if err := cmd.Wait(); err != nil {54		t.Fatal(err)55	}56}57import (58func TestStderrPipe(t *testing.T) {59	cmd := exec.Command("cat")60	stderr, err := cmd.StderrPipe()61	if err != nil {

StdoutPipe

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("go", "run", "1.go")4    stdout, err := cmd.StdoutPipe()5    if err != nil {6        fmt.Println(err)7        os.Exit(1)8    }9    if err := cmd.Start(); err != nil {10        fmt.Println(err)11        os.Exit(1)12    }13    in := bufio.NewScanner(stdout)14    for in.Scan() {15    }16    if err := in.Err(); err != nil {17        fmt.Println("ERROR:", err)18    }19    if err := cmd.Wait(); err != nil {20        fmt.Println("Command finished with error:", err)21    }22}

StdoutPipe

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("go", "run", "1.go")4	stdout, _ := cmd.StdoutPipe()5	scanner := bufio.NewScanner(stdout)6	go func() {7		for scanner.Scan() {8			m := scanner.Text()9			fmt.Println(">", m)10		}11	}()12	cmd.Start()13	cmd.Wait()14}15import (16func main() {17	cmd := exec.Command("go", "run", "1.go")18	stdin, _ := cmd.StdinPipe()19	scanner := bufio.NewScanner(stdin)20	go func() {21		for scanner.Scan() {22			m := scanner.Text()23			fmt.Println(">", m)24		}25	}()26	cmd.Start()27	cmd.Wait()28}29import (30func main() {31	cmd := exec.Command("go", "run", "1.go")32	stderr, _ := cmd.StderrPipe()33	scanner := bufio.NewScanner(stderr)34	go func() {35		for scanner.Scan() {36			m := scanner.Text()37			fmt.Println(">", m)38		}39	}()40	cmd.Start()41	cmd.Wait()42}

StdoutPipe

Using AI Code Generation

1func main() {2  cmd := exec.Command("bash", "-c", "echo 'Hello World!'")3  stdout, err := cmd.StdoutPipe()4  if err != nil {5    log.Fatal(err)6  }7  cmd.Start()8  buf := bufio.NewReader(stdout)9  line, _, err := buf.ReadLine()10  if err != nil {11    log.Fatal(err)12  }13  fmt.Println(string(line))14  cmd.Wait()15}

StdoutPipe

Using AI Code Generation

1import (2func TestStdoutPipe(t *testing.T) {3	writer := new(bytes.Buffer)4	reader, writer := io.Pipe()5	done := make(chan struct{})6	go func() {7		io.Copy(os.Stdout, reader)8	}()9	fmt.Println("Hello")10	writer.Close()11	fmt.Println(writer.String())12}

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