103 lines
2.0 KiB
Go
103 lines
2.0 KiB
Go
package common
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import (
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"fmt"
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"testing"
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"time"
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)
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func TestInterruptibleTaskShouldImmediatelyEndOnCancel(t *testing.T) {
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testSubject := NewInterruptibleTask(
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func() bool { return true },
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func(<-chan struct{}) error {
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for {
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time.Sleep(time.Second * 30)
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}
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})
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result := testSubject.Run()
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if result.IsCancelled != true {
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t.Fatal("Expected the task to be cancelled, but it was not.")
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}
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}
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func TestInterruptibleTaskShouldRunTaskUntilCompletion(t *testing.T) {
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var count int
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testSubject := &InterruptibleTask{
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IsCancelled: func() bool {
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return false
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},
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Task: func(<-chan struct{}) error {
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for i := 0; i < 10; i++ {
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count += 1
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}
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return nil
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},
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}
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result := testSubject.Run()
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if result.IsCancelled != false {
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t.Errorf("Expected the task to *not* be cancelled, but it was.")
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}
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if count != 10 {
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t.Errorf("Expected the task to wait for completion, but it did not.")
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}
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if result.Err != nil {
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t.Errorf("Expected the task to return a nil error, but got=%s", result.Err)
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}
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}
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func TestInterruptibleTaskShouldImmediatelyStopOnTaskError(t *testing.T) {
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testSubject := &InterruptibleTask{
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IsCancelled: func() bool {
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return false
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},
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Task: func(cancelCh <-chan struct{}) error {
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return fmt.Errorf("boom")
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},
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}
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result := testSubject.Run()
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if result.IsCancelled != false {
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t.Errorf("Expected the task to *not* be cancelled, but it was.")
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}
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if result.Err == nil {
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t.Errorf("Expected the task to return an error, but it did not.")
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}
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}
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func TestInterruptibleTaskShouldProvideLiveChannel(t *testing.T) {
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testSubject := &InterruptibleTask{
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IsCancelled: func() bool {
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return false
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},
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Task: func(cancelCh <-chan struct{}) error {
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isOpen := false
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select {
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case _, ok := <-cancelCh:
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isOpen = !ok
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if !isOpen {
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t.Errorf("Expected the channel to open, but it was closed.")
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}
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default:
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isOpen = true
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break
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}
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if !isOpen {
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t.Errorf("Check for openness failed.")
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}
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return nil
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},
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}
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testSubject.Run()
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}
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