services/crunch-run/logging_test.go

   1 package main
   2
   3 import (
   4         "fmt"
   5         . "gopkg.in/check.v1"
   6         "time"
   7 )
   8
   9 type LoggingTestSuite struct{}
  10
  11 type TestTimestamper struct {
  12         count int
  13 }
  14
  15 func (this *TestTimestamper) Timestamp(t time.Time) string {
  16         this.count += 1
  17         return fmt.Sprintf("2015-12-29T15:51:45.%09dZ", this.count)
  18 }
  19
  20 // Gocheck boilerplate
  21 var _ = Suite(&LoggingTestSuite{})
  22
  23 func (s *LoggingTestSuite) TestWriteLogs(c *C) {
  24         api := &ArvTestClient{}
  25         kc := &KeepTestClient{}
  26         cr := NewContainerRunner(api, kc, nil)
  27         cr.CrunchLog.Timestamper = (&TestTimestamper{}).Timestamp
  28
  29         cr.CrunchLog.Print("Hello world!")
  30         cr.CrunchLog.Print("Goodbye")
  31         cr.CrunchLog.Close()
  32
  33         c.Check(api.Calls, Equals, 1)
  34
  35         mt, err := cr.LogCollection.ManifestText()
  36         c.Check(err, IsNil)
  37         c.Check(mt, Equals, ". 74561df9ae65ee9f35d5661d42454264+83 0:83:crunch-run.txt\n")
  38
  39         logtext := "2015-12-29T15:51:45.000000001Z Hello world!\n" +
  40                 "2015-12-29T15:51:45.000000002Z Goodbye\n"
  41
  42         c.Check(api.Content["event_type"], Equals, "crunch-run")
  43         c.Check(api.Content["properties"].(map[string]string)["text"], Equals, logtext)
  44         c.Check(string(kc.Content), Equals, logtext)
  45 }
  46
  47 func (s *LoggingTestSuite) TestWriteLogsLarge(c *C) {
  48         api := &ArvTestClient{}
  49         kc := &KeepTestClient{}
  50         cr := NewContainerRunner(api, kc, nil)
  51         cr.CrunchLog.Timestamper = (&TestTimestamper{}).Timestamp
  52
  53         for i := 0; i < 2000000; i += 1 {
  54                 cr.CrunchLog.Printf("Hello %d", i)
  55         }
  56         cr.CrunchLog.Print("Goodbye")
  57         cr.CrunchLog.Close()
  58
  59         c.Check(api.Calls > 1, Equals, true)
  60         c.Check(api.Calls < 2000000, Equals, true)
  61
  62         mt, err := cr.LogCollection.ManifestText()
  63         c.Check(err, IsNil)
  64         c.Check(mt, Equals, ". 9c2c05d1fae6aaa8af85113ba725716d+67108864 80b821383a07266c2a66a4566835e26e+21780065 0:88888929:crunch-run.txt\n")
  65 }
  66
  67 func (s *LoggingTestSuite) TestWriteMultipleLogs(c *C) {
  68         api := &ArvTestClient{}
  69         kc := &KeepTestClient{}
  70         cr := NewContainerRunner(api, kc, nil)
  71         ts := &TestTimestamper{}
  72         cr.CrunchLog.Timestamper = ts.Timestamp
  73         stdout := NewThrottledLogger(cr.NewLogWriter("stdout"))
  74         stdout.Timestamper = ts.Timestamp
  75
  76         cr.CrunchLog.Print("Hello world!")
  77         stdout.Print("Doing stuff")
  78         cr.CrunchLog.Print("Goodbye")
  79         stdout.Print("Blurb")
  80
  81         cr.CrunchLog.Close()
  82         logtext1 := "2015-12-29T15:51:45.000000001Z Hello world!\n" +
  83                 "2015-12-29T15:51:45.000000003Z Goodbye\n"
  84         c.Check(api.Content["event_type"], Equals, "crunch-run")
  85         c.Check(api.Content["properties"].(map[string]string)["text"], Equals, logtext1)
  86
  87         stdout.Close()
  88         logtext2 := "2015-12-29T15:51:45.000000002Z Doing stuff\n" +
  89                 "2015-12-29T15:51:45.000000004Z Blurb\n"
  90         c.Check(api.Content["event_type"], Equals, "stdout")
  91         c.Check(api.Content["properties"].(map[string]string)["text"], Equals, logtext2)
  92
  93         mt, err := cr.LogCollection.ManifestText()
  94         c.Check(err, IsNil)
  95         c.Check(mt, Equals, ""+
  96                 ". 408672f5b5325f7d20edfbf899faee42+83 0:83:crunch-run.txt\n"+
  97                 ". c556a293010069fa79a6790a931531d5+80 0:80:stdout.txt\n")
  98 }