github.com/anth0d/nomad@v0.0.0-20221214183521-ae3a0a2cad06/client/allocrunner/tasklifecycle/testing.go (about)

     1  package tasklifecycle
     2  
     3  import (
     4  	"time"
     5  
     6  	"github.com/hashicorp/nomad/nomad/structs"
     7  	"github.com/hashicorp/nomad/testutil"
     8  	testing "github.com/mitchellh/go-testing-interface"
     9  )
    10  
    11  func RequireTaskBlocked(t testing.T, c *Coordinator, task *structs.Task) {
    12  	ch := c.StartConditionForTask(task)
    13  	requireChannelBlocking(t, ch, task.Name)
    14  }
    15  
    16  func RequireTaskAllowed(t testing.T, c *Coordinator, task *structs.Task) {
    17  	ch := c.StartConditionForTask(task)
    18  	requireChannelPassing(t, ch, task.Name)
    19  }
    20  
    21  func WaitNotInitUntil(c *Coordinator, until time.Duration, errorFunc func()) {
    22  	testutil.WaitForResultUntil(until,
    23  		func() (bool, error) {
    24  			c.currentStateLock.RLock()
    25  			defer c.currentStateLock.RUnlock()
    26  			return c.currentState != coordinatorStateInit, nil
    27  		},
    28  		func(_ error) {
    29  			errorFunc()
    30  		})
    31  }
    32  
    33  func requireChannelPassing(t testing.T, ch <-chan struct{}, name string) {
    34  	testutil.WaitForResult(func() (bool, error) {
    35  		return !isChannelBlocking(ch), nil
    36  	}, func(_ error) {
    37  		t.Fatalf("%s channel was blocking, should be passing", name)
    38  	})
    39  }
    40  
    41  func requireChannelBlocking(t testing.T, ch <-chan struct{}, name string) {
    42  	testutil.WaitForResult(func() (bool, error) {
    43  		return isChannelBlocking(ch), nil
    44  	}, func(_ error) {
    45  		t.Fatalf("%s channel was passing, should be blocking", name)
    46  	})
    47  }
    48  
    49  func isChannelBlocking(ch <-chan struct{}) bool {
    50  	select {
    51  	case <-ch:
    52  		return false
    53  	default:
    54  		return true
    55  	}
    56  }