github.com/annwntech/go-micro/v2@v2.9.5/debug/log/kubernetes/kubernetes_test.go (about)

     1  package kubernetes
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/json"
     6  	"io"
     7  	"os"
     8  	"testing"
     9  	"time"
    10  
    11  	"github.com/annwntech/go-micro/v2/debug/log"
    12  	"github.com/stretchr/testify/assert"
    13  )
    14  
    15  func TestKubernetes(t *testing.T) {
    16  	// TODO: fix local test running
    17  	return
    18  
    19  	if os.Getenv("IN_TRAVIS_CI") == "yes" {
    20  		t.Skip("In Travis CI")
    21  	}
    22  
    23  	k := NewLog(log.Name("micro-network"))
    24  
    25  	r, w, err := os.Pipe()
    26  	if err != nil {
    27  		t.Fatal(err)
    28  	}
    29  
    30  	s := os.Stderr
    31  	os.Stderr = w
    32  	meta := make(map[string]string)
    33  
    34  	write := log.Record{
    35  		Timestamp: time.Unix(0, 0).UTC(),
    36  		Message:   "Test log entry",
    37  		Metadata:  meta,
    38  	}
    39  
    40  	meta["foo"] = "bar"
    41  
    42  	k.Write(write)
    43  	b := &bytes.Buffer{}
    44  	w.Close()
    45  	io.Copy(b, r)
    46  	os.Stderr = s
    47  
    48  	var read log.Record
    49  
    50  	if err := json.Unmarshal(b.Bytes(), &read); err != nil {
    51  		t.Fatalf("json.Unmarshal failed: %s", err.Error())
    52  	}
    53  
    54  	assert.Equal(t, write, read, "Write was not equal")
    55  
    56  	records, err := k.Read()
    57  	assert.Nil(t, err, "Read should not error")
    58  	assert.NotNil(t, records, "Read should return records")
    59  
    60  	stream, err := k.Stream()
    61  	if err != nil {
    62  		t.Fatal(err)
    63  	}
    64  
    65  	records = nil
    66  
    67  	go stream.Stop()
    68  
    69  	for s := range stream.Chan() {
    70  		records = append(records, s)
    71  	}
    72  
    73  	assert.Equal(t, 0, len(records), "Stream should return nothing")
    74  }