How to use NewLogStrategy method of wait Package

Best Testcontainers-go code snippet using wait.NewLogStrategy

log.go

Source: log.go Github

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...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 {...

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log_test.go

Source: log_test.go Github

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...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}...

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NewLogStrategy

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

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NewLogStrategy

Using AI Code Generation

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

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