github.com/tilt-dev/tilt@v0.33.15-0.20240515162809-0a22ed45d8a0/internal/controllers/klog_test.go (about)

     1  package controllers
     2  
     3  import (
     4  	"bytes"
     5  	"testing"
     6  
     7  	"github.com/stretchr/testify/assert"
     8  	"k8s.io/klog/v2"
     9  )
    10  
    11  func TestResourceVersionTooOldWarningsSilenced(t *testing.T) {
    12  	out := bytes.NewBuffer(nil)
    13  	InitKlog(out)
    14  
    15  	PrintWatchEndedV4()
    16  	klog.Flush()
    17  	assert.Equal(t, "", out.String())
    18  
    19  	PrintWatchEndedWarning()
    20  	klog.Flush()
    21  	assert.Contains(t, out.String(), "")
    22  	assert.Contains(t, out.String(), "")
    23  }
    24  
    25  func TestResourceVersionTooOldWarningsPrinted(t *testing.T) {
    26  	klogLevel = 5
    27  	defer func() {
    28  		klogLevel = 0
    29  	}()
    30  	out := bytes.NewBuffer(nil)
    31  	InitKlog(out)
    32  
    33  	PrintWatchEndedV4()
    34  	klog.Flush()
    35  	assert.Contains(t, out.String(), "watch ended")
    36  }
    37  
    38  func TestEmptyGroupVersionErrorsSilenced(t *testing.T) {
    39  	out := bytes.NewBuffer(nil)
    40  	InitKlog(out)
    41  
    42  	klog.Error("couldn't get resource list for external.metrics.k8s.io/v1beta1: Got empty response for: external.metrics.k8s.io/v1beta1")
    43  	klog.Flush()
    44  
    45  	assert.Empty(t, out.String())
    46  }
    47  
    48  func PrintWatchEndedV4() {
    49  	klog.V(4).Infof("watch ended")
    50  }
    51  func PrintWatchEndedWarning() {
    52  	klog.Warningf("watch ended")
    53  }