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How to use NewLogStrategy method of wait Package

Best Testcontainers-go code snippet using wait.NewLogStrategy

log.go

Source:log.go

...15	Log          string16	Occurrence   int17	PollInterval time.Duration18}19// NewLogStrategy constructs with polling interval of 100 milliseconds and startup timeout of 60 seconds by default20func NewLogStrategy(log string) *LogStrategy {21	return &LogStrategy{22		startupTimeout: defaultStartupTimeout(),23		Log:            log,24		Occurrence:     1,25		PollInterval:   defaultPollInterval(),26	}27}28// fluent builders for each property29// since go has neither covariance nor generics, the return type must be the type of the concrete implementation30// this is true for all properties, even the "shared" ones like startupTimeout31// WithStartupTimeout can be used to change the default startup timeout32func (ws *LogStrategy) WithStartupTimeout(startupTimeout time.Duration) *LogStrategy {33	ws.startupTimeout = startupTimeout34	return ws35}36// WithPollInterval can be used to override the default polling interval of 100 milliseconds37func (ws *LogStrategy) WithPollInterval(pollInterval time.Duration) *LogStrategy {38	ws.PollInterval = pollInterval39	return ws40}41func (ws *LogStrategy) WithOccurrence(o int) *LogStrategy {42	// the number of occurrence needs to be positive43	if o <= 0 {44		o = 145	}46	ws.Occurrence = o47	return ws48}49// ForLog is the default construction for the fluid interface.50//51// For Example:52// wait.53//     ForLog("some text").54//     WithPollInterval(1 * time.Second)55func ForLog(log string) *LogStrategy {56	return NewLogStrategy(log)57}58// WaitUntilReady implements Strategy.WaitUntilReady59func (ws *LogStrategy) WaitUntilReady(ctx context.Context, target StrategyTarget) (err error) {60	// limit context to startupTimeout61	ctx, cancelContext := context.WithTimeout(ctx, ws.startupTimeout)62	defer cancelContext()63LOOP:64	for {65		select {66		case <-ctx.Done():67			return ctx.Err()68		default:69			reader, err := target.Logs(ctx)70			if err != nil {...

log_test.go

Source:log_test.go

...30func TestWaitForLog(t *testing.T) {31	target := noopStrategyTarget{32		ioReaderCloser: ioutil.NopCloser(bytes.NewReader([]byte("docker"))),33	}34	wg := NewLogStrategy("docker").WithStartupTimeout(100 * time.Microsecond)35	err := wg.WaitUntilReady(context.Background(), target)36	if err != nil {37		t.Fatal(err)38	}39}40func TestWaitWithExactNumberOfOccurrences(t *testing.T) {41	target := noopStrategyTarget{42		ioReaderCloser: ioutil.NopCloser(bytes.NewReader([]byte("kubernetes\r\ndocker\n\rdocker"))),43	}44	wg := NewLogStrategy("docker").45		WithStartupTimeout(100 * time.Microsecond).46		WithOccurrence(2)47	err := wg.WaitUntilReady(context.Background(), target)48	if err != nil {49		t.Fatal(err)50	}51}52func TestWaitWithExactNumberOfOccurrencesButItWillNeverHappen(t *testing.T) {53	target := noopStrategyTarget{54		ioReaderCloser: ioutil.NopCloser(bytes.NewReader([]byte("kubernetes\r\ndocker"))),55	}56	wg := NewLogStrategy("containerd").57		WithStartupTimeout(100 * time.Microsecond).58		WithOccurrence(2)59	err := wg.WaitUntilReady(context.Background(), target)60	if err == nil {61		t.Fatal("expected error")62	}63}64func TestWaitShouldFailWithExactNumberOfOccurrences(t *testing.T) {65	target := noopStrategyTarget{66		ioReaderCloser: ioutil.NopCloser(bytes.NewReader([]byte("kubernetes\r\ndocker"))),67	}68	wg := NewLogStrategy("docker").69		WithStartupTimeout(100 * time.Microsecond).70		WithOccurrence(2)71	err := wg.WaitUntilReady(context.Background(), target)72	if err == nil {73		t.Fatal("expected error")74	}75}...

NewLogStrategy

Using AI Code Generation

1import (2func main() {3 strategy := strategy.NewLogStrategy()4 wait := strategy.NewWait()5 wait.Wait()6}

NewLogStrategy

Using AI Code Generation

1import "fmt"2func main() {3 wait := Wait{}4 wait.NewLogStrategy()5 wait.Wait()6}

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