75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
package sdk
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import (
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"context"
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"time"
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)
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func init() {
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NowTime = time.Now
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Sleep = time.Sleep
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SleepWithContext = sleepWithContext
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}
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// NowTime is a value for getting the current time. This value can be overridden
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// for testing mocking out current time.
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var NowTime func() time.Time
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// Sleep is a value for sleeping for a duration. This value can be overridden
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// for testing and mocking out sleep duration.
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var Sleep func(time.Duration)
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// SleepWithContext will wait for the timer duration to expire, or the context
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// is canceled. Which ever happens first. If the context is canceled the Context's
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// error will be returned.
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//
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// This value can be overridden for testing and mocking out sleep duration.
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var SleepWithContext func(context.Context, time.Duration) error
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// sleepWithContext will wait for the timer duration to expire, or the context
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// is canceled. Which ever happens first. If the context is canceled the
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// Context's error will be returned.
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func sleepWithContext(ctx context.Context, dur time.Duration) error {
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t := time.NewTimer(dur)
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defer t.Stop()
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select {
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case <-t.C:
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break
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case <-ctx.Done():
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return ctx.Err()
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}
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return nil
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}
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// noOpSleepWithContext does nothing, returns immediately.
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func noOpSleepWithContext(context.Context, time.Duration) error {
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return nil
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}
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func noOpSleep(time.Duration) {}
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// TestingUseNopSleep is a utility for disabling sleep across the SDK for
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// testing.
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func TestingUseNopSleep() func() {
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SleepWithContext = noOpSleepWithContext
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Sleep = noOpSleep
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return func() {
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SleepWithContext = sleepWithContext
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Sleep = time.Sleep
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}
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}
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// TestingUseReferenceTime is a utility for swapping the time function across the SDK to return a specific reference time
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// for testing purposes.
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func TestingUseReferenceTime(referenceTime time.Time) func() {
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NowTime = func() time.Time {
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return referenceTime
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}
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return func() {
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NowTime = time.Now
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}
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}
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