Files
zrepl/daemon/job/trigger/trigger_test.go

85 lines
1.7 KiB
Go

package trigger
import (
"context"
"sync"
"testing"
"github.com/stretchr/testify/require"
)
func TestBasics(t *testing.T) {
var wg sync.WaitGroup
defer wg.Wait()
tr := New()
triggered := make(chan int)
waitForTriggerError := make(chan error)
waitForResetCallToBeMadeByMainGoroutine := make(chan struct{})
postResetAssertionsDone := make(chan struct{})
taskCtx := context.Background()
taskCtx, cancelTaskCtx := context.WithCancel(taskCtx)
wg.Add(1)
go func() {
defer wg.Done()
taskCtx := context.WithValue(taskCtx, "mykey", "myvalue")
triggers := 0
outer:
for {
invocationCtx, err := tr.WaitForTrigger(taskCtx)
if err != nil {
waitForTriggerError <- err
return
}
require.Equal(t, invocationCtx.Value("mykey"), "myvalue")
triggers++
triggered <- triggers
switch triggers {
case 1:
continue outer
case 2:
<-waitForResetCallToBeMadeByMainGoroutine
require.Equal(t, context.Canceled, invocationCtx.Err(), "Reset() cancels invocation context")
require.Nil(t, taskCtx.Err(), "Reset() does not cancel task context")
close(postResetAssertionsDone)
}
}
}()
t.Logf("trigger 1")
_, err := tr.Trigger()
require.NoError(t, err)
v := <-triggered
require.Equal(t, 1, v)
t.Logf("trigger 2")
triggerResponse, err := tr.Trigger()
require.NoError(t, err)
v = <-triggered
require.Equal(t, 2, v)
t.Logf("reset")
resetResponse, err := tr.Reset(ResetRequest{InvocationId: triggerResponse.InvocationId})
require.NoError(t, err)
t.Logf("reset response: %#v", resetResponse)
close(waitForResetCallToBeMadeByMainGoroutine)
<-postResetAssertionsDone
t.Logf("cancel the context")
cancelTaskCtx()
wfte := <-waitForTriggerError
require.Equal(t, taskCtx.Err(), wfte)
}