services/keepstore/pull_worker_integration_test.go

   1 package main
   2
   3 import (
   4         "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
   5         "git.curoverse.com/arvados.git/sdk/go/arvadostest"
   6         "git.curoverse.com/arvados.git/sdk/go/keepclient"
   7         "net/http"
   8         "os"
   9         "strings"
  10         "testing"
  11 )
  12
  13 var keepClient *keepclient.KeepClient
  14
  15 type PullWorkIntegrationTestData struct {
  16         Name     string
  17         Locator  string
  18         Content  string
  19         GetError string
  20 }
  21
  22 func SetupPullWorkerIntegrationTest(t *testing.T, testData PullWorkIntegrationTestData, wantData bool) PullRequest {
  23         os.Setenv("ARVADOS_API_HOST_INSECURE", "true")
  24
  25         // start api and keep servers
  26         arvadostest.StartAPI()
  27         arvadostest.StartKeep()
  28
  29         // make arvadosclient
  30         arv, err := arvadosclient.MakeArvadosClient()
  31         if err != nil {
  32                 t.Error("Error creating arv")
  33         }
  34
  35         // keep client
  36         keepClient = &keepclient.KeepClient{
  37                 Arvados:       &arv,
  38                 Want_replicas: 1,
  39                 Using_proxy:   true,
  40                 Client:        &http.Client{},
  41         }
  42
  43         // discover keep services
  44         var servers []string
  45         if err := keepClient.DiscoverKeepServers(); err != nil {
  46                 t.Error("Error discovering keep services")
  47         }
  48         for _, host := range keepClient.LocalRoots() {
  49                 servers = append(servers, host)
  50         }
  51
  52         // Put content if the test needs it
  53         if wantData {
  54                 locator, _, err := keepClient.PutB([]byte(testData.Content))
  55                 if err != nil {
  56                         t.Errorf("Error putting test data in setup for %s %s %v", testData.Content, locator, err)
  57                 }
  58                 if locator == "" {
  59                         t.Errorf("No locator found after putting test data")
  60                 }
  61         }
  62
  63         // Create pullRequest for the test
  64         pullRequest := PullRequest{
  65                 Locator: testData.Locator,
  66                 Servers: servers,
  67         }
  68         return pullRequest
  69 }
  70
  71 // Do a get on a block that is not existing in any of the keep servers.
  72 // Expect "block not found" error.
  73 func TestPullWorkerIntegration_GetNonExistingLocator(t *testing.T) {
  74         testData := PullWorkIntegrationTestData{
  75                 Name:     "TestPullWorkerIntegration_GetLocator",
  76                 Locator:  "5d41402abc4b2a76b9719d911017c592",
  77                 Content:  "hello",
  78                 GetError: "Block not found",
  79         }
  80
  81         pullRequest := SetupPullWorkerIntegrationTest(t, testData, false)
  82
  83         performPullWorkerIntegrationTest(testData, pullRequest, t)
  84 }
  85
  86 // Do a get on a block that exists on one of the keep servers.
  87 // The setup method will create this block before doing the get.
  88 func TestPullWorkerIntegration_GetExistingLocator(t *testing.T) {
  89         testData := PullWorkIntegrationTestData{
  90                 Name:     "TestPullWorkerIntegration_GetLocator",
  91                 Locator:  "5d41402abc4b2a76b9719d911017c592",
  92                 Content:  "hello",
  93                 GetError: "",
  94         }
  95
  96         pullRequest := SetupPullWorkerIntegrationTest(t, testData, true)
  97
  98         performPullWorkerIntegrationTest(testData, pullRequest, t)
  99 }
 100
 101 // Perform the test.
 102 // The test directly invokes the "PullItemAndProcess" rather than
 103 // putting an item on the pullq so that the errors can be verified.
 104 func performPullWorkerIntegrationTest(testData PullWorkIntegrationTestData, pullRequest PullRequest, t *testing.T) {
 105
 106         // Override PutContent to mock PutBlock functionality
 107         PutContent = func(content []byte, locator string) (err error) {
 108                 if string(content) != testData.Content {
 109                         t.Errorf("PutContent invoked with unexpected data. Expected: %s; Found: %s", testData.Content, content)
 110                 }
 111                 return
 112         }
 113
 114         keepClient.Arvados.ApiToken = GenerateRandomApiToken()
 115         err := PullItemAndProcess(pullRequest, keepClient.Arvados.ApiToken, keepClient)
 116
 117         if len(testData.GetError) > 0 {
 118                 if (err == nil) || (!strings.Contains(err.Error(), testData.GetError)) {
 119                         t.Errorf("Got error %v", err)
 120                 }
 121         } else {
 122                 if err != nil {
 123                         t.Errorf("Got error %v", err)
 124                 }
 125         }
 126 }