services/crunch-run/logging_test.go

   1 package main
   2
   3 import (
   4         "fmt"
   5         "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
   6         . "gopkg.in/check.v1"
   7         "testing"
   8         "time"
   9 )
  10
  11 type LoggingTestSuite struct{}
  12
  13 type TestTimestamper struct {
  14         count int
  15 }
  16
  17 func (this *TestTimestamper) Timestamp(t time.Time) string {
  18         this.count += 1
  19         return fmt.Sprintf("2015-12-29T15:51:45.%09dZ", this.count)
  20 }
  21
  22 // Gocheck boilerplate
  23 var _ = Suite(&LoggingTestSuite{})
  24
  25 func (s *LoggingTestSuite) TestWriteLogs(c *C) {
  26         api := &ArvTestClient{}
  27         kc := &KeepTestClient{}
  28         cr := NewContainerRunner(api, kc, nil, "zzzzz-zzzzzzzzzzzzzzz")
  29         cr.CrunchLog.Timestamper = (&TestTimestamper{}).Timestamp
  30
  31         cr.CrunchLog.Print("Hello world!")
  32         cr.CrunchLog.Print("Goodbye")
  33         cr.CrunchLog.Close()
  34
  35         c.Check(api.Calls, Equals, 1)
  36
  37         mt, err := cr.LogCollection.ManifestText()
  38         c.Check(err, IsNil)
  39         c.Check(mt, Equals, ". 74561df9ae65ee9f35d5661d42454264+83 0:83:crunch-run.txt\n")
  40
  41         logtext := "2015-12-29T15:51:45.000000001Z Hello world!\n" +
  42                 "2015-12-29T15:51:45.000000002Z Goodbye\n"
  43
  44         c.Check(api.Content[0]["log"].(arvadosclient.Dict)["event_type"], Equals, "crunch-run")
  45         c.Check(api.Content[0]["log"].(arvadosclient.Dict)["properties"].(map[string]string)["text"], Equals, logtext)
  46         c.Check(string(kc.Content), Equals, logtext)
  47 }
  48
  49 func (s *LoggingTestSuite) TestWriteLogsLarge(c *C) {
  50         if testing.Short() {
  51                 return
  52         }
  53         api := &ArvTestClient{}
  54         kc := &KeepTestClient{}
  55         cr := NewContainerRunner(api, kc, nil, "zzzzz-zzzzzzzzzzzzzzz")
  56         cr.CrunchLog.Timestamper = (&TestTimestamper{}).Timestamp
  57         cr.CrunchLog.Immediate = nil
  58
  59         for i := 0; i < 2000000; i++ {
  60                 cr.CrunchLog.Printf("Hello %d", i)
  61         }
  62         cr.CrunchLog.Print("Goodbye")
  63         cr.CrunchLog.Close()
  64
  65         c.Check(api.Calls > 1, Equals, true)
  66         c.Check(api.Calls < 2000000, Equals, true)
  67
  68         mt, err := cr.LogCollection.ManifestText()
  69         c.Check(err, IsNil)
  70         c.Check(mt, Equals, ". 9c2c05d1fae6aaa8af85113ba725716d+67108864 80b821383a07266c2a66a4566835e26e+21780065 0:88888929:crunch-run.txt\n")
  71 }
  72
  73 func (s *LoggingTestSuite) TestWriteMultipleLogs(c *C) {
  74         api := &ArvTestClient{}
  75         kc := &KeepTestClient{}
  76         cr := NewContainerRunner(api, kc, nil, "zzzzz-zzzzzzzzzzzzzzz")
  77         ts := &TestTimestamper{}
  78         cr.CrunchLog.Timestamper = ts.Timestamp
  79         stdout := NewThrottledLogger(cr.NewLogWriter("stdout"))
  80         stdout.Timestamper = ts.Timestamp
  81
  82         cr.CrunchLog.Print("Hello world!")
  83         stdout.Print("Doing stuff")
  84         cr.CrunchLog.Print("Goodbye")
  85         stdout.Print("Blurb")
  86         cr.CrunchLog.Close()
  87         stdout.Close()
  88
  89         logText := make(map[string]string)
  90         for _, content := range api.Content {
  91                 log := content["log"].(arvadosclient.Dict)
  92                 logText[log["event_type"].(string)] += log["properties"].(map[string]string)["text"]
  93         }
  94
  95         c.Check(logText["crunch-run"], Equals, `2015-12-29T15:51:45.000000001Z Hello world!
  96 2015-12-29T15:51:45.000000003Z Goodbye
  97 `)
  98         c.Check(logText["stdout"], Equals, `2015-12-29T15:51:45.000000002Z Doing stuff
  99 2015-12-29T15:51:45.000000004Z Blurb
 100 `)
 101
 102         mt, err := cr.LogCollection.ManifestText()
 103         c.Check(err, IsNil)
 104         c.Check(mt, Equals, ""+
 105                 ". 408672f5b5325f7d20edfbf899faee42+83 0:83:crunch-run.txt\n"+
 106                 ". c556a293010069fa79a6790a931531d5+80 0:80:stdout.txt\n")
 107 }