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         "time"
   8 )
   9
  10 type LoggingTestSuite struct{}
  11
  12 type TestTimestamper struct {
  13         count int
  14 }
  15
  16 func (this *TestTimestamper) Timestamp(t time.Time) string {
  17         this.count += 1
  18         return fmt.Sprintf("2015-12-29T15:51:45.%09dZ", this.count)
  19 }
  20
  21 // Gocheck boilerplate
  22 var _ = Suite(&LoggingTestSuite{})
  23
  24 func (s *LoggingTestSuite) TestWriteLogs(c *C) {
  25         api := &ArvTestClient{}
  26         kc := &KeepTestClient{}
  27         cr := NewContainerRunner(api, kc, nil, "zzzzz-zzzzzzzzzzzzzzz")
  28         cr.CrunchLog.Timestamper = (&TestTimestamper{}).Timestamp
  29
  30         cr.CrunchLog.Print("Hello world!")
  31         cr.CrunchLog.Print("Goodbye")
  32         cr.CrunchLog.Close()
  33
  34         c.Check(api.Calls, Equals, 1)
  35
  36         mt, err := cr.LogCollection.ManifestText()
  37         c.Check(err, IsNil)
  38         c.Check(mt, Equals, ". 74561df9ae65ee9f35d5661d42454264+83 0:83:crunch-run.txt\n")
  39
  40         logtext := "2015-12-29T15:51:45.000000001Z Hello world!\n" +
  41                 "2015-12-29T15:51:45.000000002Z Goodbye\n"
  42
  43         c.Check(api.Content["log"].(arvadosclient.Dict)["event_type"], Equals, "crunch-run")
  44         c.Check(api.Content["log"].(arvadosclient.Dict)["properties"].(map[string]string)["text"], Equals, logtext)
  45         c.Check(string(kc.Content), Equals, logtext)
  46 }
  47
  48 func (s *LoggingTestSuite) TestWriteLogsLarge(c *C) {
  49         api := &ArvTestClient{}
  50         kc := &KeepTestClient{}
  51         cr := NewContainerRunner(api, kc, nil, "zzzzz-zzzzzzzzzzzzzzz")
  52         cr.CrunchLog.Timestamper = (&TestTimestamper{}).Timestamp
  53
  54         for i := 0; i < 2000000; i += 1 {
  55                 cr.CrunchLog.Printf("Hello %d", i)
  56         }
  57         cr.CrunchLog.Print("Goodbye")
  58         cr.CrunchLog.Close()
  59
  60         c.Check(api.Calls > 1, Equals, true)
  61         c.Check(api.Calls < 2000000, Equals, true)
  62
  63         mt, err := cr.LogCollection.ManifestText()
  64         c.Check(err, IsNil)
  65         c.Check(mt, Equals, ". 9c2c05d1fae6aaa8af85113ba725716d+67108864 80b821383a07266c2a66a4566835e26e+21780065 0:88888929:crunch-run.txt\n")
  66 }
  67
  68 func (s *LoggingTestSuite) TestWriteMultipleLogs(c *C) {
  69         api := &ArvTestClient{}
  70         kc := &KeepTestClient{}
  71         cr := NewContainerRunner(api, kc, nil, "zzzzz-zzzzzzzzzzzzzzz")
  72         ts := &TestTimestamper{}
  73         cr.CrunchLog.Timestamper = ts.Timestamp
  74         stdout := NewThrottledLogger(cr.NewLogWriter("stdout"))
  75         stdout.Timestamper = ts.Timestamp
  76
  77         cr.CrunchLog.Print("Hello world!")
  78         stdout.Print("Doing stuff")
  79         cr.CrunchLog.Print("Goodbye")
  80         stdout.Print("Blurb")
  81
  82         cr.CrunchLog.Close()
  83         logtext1 := "2015-12-29T15:51:45.000000001Z Hello world!\n" +
  84                 "2015-12-29T15:51:45.000000003Z Goodbye\n"
  85         c.Check(api.Content["log"].(arvadosclient.Dict)["event_type"], Equals, "crunch-run")
  86         c.Check(api.Content["log"].(arvadosclient.Dict)["properties"].(map[string]string)["text"], Equals, logtext1)
  87
  88         stdout.Close()
  89         logtext2 := "2015-12-29T15:51:45.000000002Z Doing stuff\n" +
  90                 "2015-12-29T15:51:45.000000004Z Blurb\n"
  91         c.Check(api.Content["log"].(arvadosclient.Dict)["event_type"], Equals, "stdout")
  92         c.Check(api.Content["log"].(arvadosclient.Dict)["properties"].(map[string]string)["text"], Equals, logtext2)
  93
  94         mt, err := cr.LogCollection.ManifestText()
  95         c.Check(err, IsNil)
  96         c.Check(mt, Equals, ""+
  97                 ". 408672f5b5325f7d20edfbf899faee42+83 0:83:crunch-run.txt\n"+
  98                 ". c556a293010069fa79a6790a931531d5+80 0:80:stdout.txt\n")
  99 }