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How to use ForExec method of wait Package

Best Testcontainers-go code snippet using wait.ForExec

exec_test.go

Source:exec_test.go

...13func ExampleExecStrategy() {14	ctx := context.Background()15	req := testcontainers.ContainerRequest{16		Image:      "localstack/localstack:latest",17		WaitingFor: wait.ForExec([]string{"awslocal", "dynamodb", "list-tables"}),18	}19	localstack, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{20		ContainerRequest: req,21		Started:          true,22	})23	if err != nil {24		panic(err)25	}26	defer localstack.Terminate(ctx) // nolint: errcheck27	// Here you have a running container28}29type mockExecTarget struct {30	waitDuration time.Duration31	successAfter time.Time32	exitCode     int33	failure      error34}35func (st mockExecTarget) Host(_ context.Context) (string, error) {36	return "", errors.New("not implemented")37}38func (st mockExecTarget) MappedPort(_ context.Context, n nat.Port) (nat.Port, error) {39	return n, errors.New("not implemented")40}41func (st mockExecTarget) Logs(_ context.Context) (io.ReadCloser, error) {42	return nil, errors.New("not implemented")43}44func (st mockExecTarget) Exec(ctx context.Context, _ []string) (int, io.Reader, error) {45	time.Sleep(st.waitDuration)46	if err := ctx.Err(); err != nil {47		return st.exitCode, nil, err48	}49	if !st.successAfter.IsZero() && time.Now().After(st.successAfter) {50		return 0, nil, st.failure51	}52	return st.exitCode, nil, st.failure53}54func (st mockExecTarget) State(_ context.Context) (*types.ContainerState, error) {55	return nil, errors.New("not implemented")56}57func TestExecStrategyWaitUntilReady(t *testing.T) {58	target := mockExecTarget{}59	wg := wait.NewExecStrategy([]string{"true"}).60		WithStartupTimeout(30 * time.Second)61	err := wg.WaitUntilReady(context.Background(), target)62	if err != nil {63		t.Fatal(err)64	}65}66func TestExecStrategyWaitUntilReadyForExec(t *testing.T) {67	target := mockExecTarget{}68	wg := wait.ForExec([]string{"true"})69	err := wg.WaitUntilReady(context.Background(), target)70	if err != nil {71		t.Fatal(err)72	}73}74func TestExecStrategyWaitUntilReady_MultipleChecks(t *testing.T) {75	target := mockExecTarget{76		exitCode:     10,77		successAfter: time.Now().Add(2 * time.Second),78	}79	wg := wait.NewExecStrategy([]string{"true"}).80		WithPollInterval(500 * time.Millisecond)81	err := wg.WaitUntilReady(context.Background(), target)82	if err != nil {...

exec.go

Source:exec.go

...37func (ws *ExecStrategy) WithPollInterval(pollInterval time.Duration) *ExecStrategy {38	ws.PollInterval = pollInterval39	return ws40}41// ForExec is a convenience method to assign ExecStrategy42func ForExec(cmd []string) *ExecStrategy {43	return NewExecStrategy(cmd)44}45func (ws ExecStrategy) WaitUntilReady(ctx context.Context, target StrategyTarget) error {46	// limit context to startupTimeout47	ctx, cancelContext := context.WithTimeout(ctx, ws.startupTimeout)48	defer cancelContext()49	for {50		select {51		case <-ctx.Done():52			return ctx.Err()53		case <-time.After(ws.PollInterval):54			exitCode, _, err := target.Exec(ctx, ws.cmd)55			if err != nil {56				return err...

ForExec

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("sleep", "5")4    err := cmd.Start()5    if err != nil {6        fmt.Println("Error: ", err)7    }8    fmt.Println("Waiting for command to finish...")9    err = cmd.Wait()10    fmt.Println("Command finished with error: ", err)11}12import (13func main() {14    cmd := exec.Command("sleep", "5")15    err := cmd.Start()16    if err != nil {17        fmt.Println("Error: ", err)18    }19    fmt.Println("Waiting for command to finish...")20    err = cmd.Wait()21    fmt.Println("Command finished with error: ", err)22}23import (24func main() {25    cmd := exec.Command("sleep", "5")26    err := cmd.Start()27    if err != nil {28        fmt.Println("Error: ", err)29    }30    fmt.Println("Waiting for command to finish...")31    err = cmd.Wait()32    fmt.Println("Command finished with error: ", err)33}34import (35func main() {36    cmd := exec.Command("sleep", "5")37    err := cmd.Start()38    if err != nil {39        fmt.Println("Error: ", err)40    }41    fmt.Println("Waiting for command to finish...")42    err = cmd.Wait()43    fmt.Println("Command finished with error: ", err)44}45import (46func main() {47    cmd := exec.Command("sleep", "5")48    err := cmd.Start()49    if err != nil {50        fmt.Println("Error: ", err)51    }52    fmt.Println("Waiting for command to finish...")53    err = cmd.Wait()54    fmt.Println("Command finished with error:

ForExec

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-l")4	out, err := cmd.Output()5	if err != nil {6		panic(err)7	}8	fmt.Printf("%s", out)9}

ForExec

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("sleep", "2")4    if err := cmd.Start(); err != nil {5        fmt.Println("Error starting process: ", err)6    }7    fmt.Println("Waiting for command to finish...")8    err := cmd.Wait()9    fmt.Println("Command finished with error: ", err)10    fmt.Println("Command finished with error: ", err)11}12import (13func main() {14    cmd := exec.Command("sleep", "2")15    fmt.Println("Waiting for command to finish...")16    err := cmd.Run()17    fmt.Println("Command finished with error: ", err)18    fmt.Println("Command finished with error: ", err)19}20import (21func main() {22    cmd := exec.Command("sleep", "2")23    fmt.Println("Waiting for command to finish...")24    out, err := cmd.Output()25    fmt.Println("Command finished with error: ", err)26    fmt.Println("Command finished with error: ", err)27    fmt.Println("Command finished with error: ", out)28}29import (30func main() {31    cmd := exec.Command("sleep", "2")32    fmt.Println("Waiting for command to finish...")33    out, err := cmd.CombinedOutput()34    fmt.Println("Command finished with error: ", err)35    fmt.Println("Command finished with error: ", err)36    fmt.Println("Command finished with error: ", out)37}

ForExec

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-l")4	err := cmd.Start()5	if err != nil {6		panic(err)7	}8	fmt.Println("Waiting for command to finish...")9	err = cmd.Wait()10	fmt.Println("Command finished with error: %v", err)11}12import (13func main() {14	cmd := exec.Command("ls", "-l")15	err := cmd.Start()16	if err != nil {17		panic(err)18	}19	fmt.Println("Waiting for command to finish...")20	time.Sleep(2 * time.Second)21	err = cmd.Wait()22	fmt.Println("Command finished with error: %v", err)23}24import (25func main() {26	cmd := exec.Command("sleep", "5")27	err := cmd.Start()28	if err != nil {29		panic(err)30	}31	fmt.Println("Waiting for command to finish...")32	err = cmd.Wait()33	fmt.Println("Command finished with error: %v", err)34}35import (36func main() {37	cmd := exec.Command("sleep", "5")38	err := cmd.Start()39	if err != nil {40		panic(err)41	}42	fmt.Println("Waiting for command to finish...")43	time.Sleep(2 * time.Second)44	err = cmd.Wait()45	fmt.Println("Command finished with error: %v", err)46}47import (48func main() {49	cmd := exec.Command("sleep", "5")50	err := cmd.Start()51	if err != nil {52		panic(err)53	}54	fmt.Println("Waiting for command to finish...")55	time.Sleep(2 * time.Second)56	err = cmd.Process.Kill()57	err = cmd.Wait()58	fmt.Println("Command finished with error: %v", err)59}60import (

ForExec

Using AI Code Generation

1import (2func main() {3	wait := exec.Command("cmd", "/c", "dir")4	err := wait.Run()5	if err != nil {6		fmt.Println("Error in running the command", err)7	}8}9import (10func main() {11	wait := exec.Command("cmd", "/c", "dir")12	output, err := wait.Output()13	if err != nil {14		fmt.Println("Error in running the command", err)15	}16	fmt.Println("Output is ", string(output))17}18import (19func main() {20	wait := exec.Command("cmd", "/c", "dir")21	output, err := wait.CombinedOutput()22	if err != nil {23		fmt.Println("Error in running the command", err)24	}25	fmt.Println("Output is ", string(output))26}27import (28func main() {29	wait := exec.Command("cmd", "/c", "dir")30	err := wait.Start()31	if err != nil {32		fmt.Println("Error in running the command", err)33	}34	time.Sleep(5 * time.Second)35}36import (37func main() {38	wait := exec.Command("cmd", "/c", "dir")39	err := wait.Start()40	if err != nil {41		fmt.Println("Error in running the command", err)42	}43	fmt.Println("Process id is ", wait.Process.Pid)44}45import (46func main() {47	wait := exec.Command("cmd", "/c", "dir")48	err := wait.Start()49	if err != nil {50		fmt.Println("Error in running the command", err)51	}52	fmt.Println("Process id is ", wait.Process.Pid)53	fmt.Println("Process state is ", wait.ProcessState)54}

ForExec

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-l", "/home")4	output, err := cmd.CombinedOutput()5	fmt.Println(string(output))6	if err != nil {7		fmt.Println(err)8	}9}10import (11func main() {12	cmd := exec.Command("ls", "-l", "/home")13	output, err := cmd.Run()14	fmt.Println(output)15	if err != nil {16		fmt.Println(err)17	}18}19import (20func main() {

ForExec

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls")4	output, err := cmd.Output()5	if err != nil {6		fmt.Println(err)7	}8	fmt.Println(string(output))9}10import (11func main() {12	cmd := exec.Command("ls")13	err := cmd.Run()14	if err != nil {15		fmt.Println(err)16	}17}18import (19func main() {20	cmd := exec.Command("ls")21	err := cmd.Start()22	if err != nil {23		fmt.Println(err)24	}25}26import (27func main() {28	cmd := exec.Command("ls")29	err := cmd.Wait()30	if err != nil {31		fmt.Println(err)32	}33}34import (35func main() {36	cmd := exec.Command("ls")37	err := cmd.Process()38	if err != nil {39		fmt.Println(err)40	}41}42import (43func main() {44	cmd := exec.Command("ls")45	err := cmd.ProcessState()46	if err != nil {47		fmt.Println(err)48	}49}50import (51func main() {52	cmd := exec.Command("ls")

ForExec

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-la")4	err := cmd.Run()5	if err != nil {6		log.Fatal(err)7	}8	fmt.Printf("Output : %q", out.String())9}10import (11func main() {12	cmd := exec.Command("ls", "-la")13	out, err := cmd.Output()

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