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         service_roots, err := keepClient.DiscoverKeepServers()
  46         if err != nil {
  47                 t.Error("Error discovering keep services")
  48         }
  49         for _, host := range service_roots {
  50                 servers = append(servers, host)
  51         }
  52
  53         // Put content if the test needs it
  54         if wantData {
  55                 keepClient.SetServiceRoots(service_roots)
  56                 locator, _, err := keepClient.PutB([]byte(testData.Content))
  57                 if err != nil {
  58                         t.Errorf("Error putting test data in setup for %s %s %v", testData.Content, locator, err)
  59                 }
  60                 if locator == "" {
  61                         t.Errorf("No locator found after putting test data")
  62                 }
  63         }
  64
  65         // Create pullRequest for the test
  66         pullRequest := PullRequest{
  67                 Locator: testData.Locator,
  68                 Servers: servers,
  69         }
  70         return pullRequest
  71 }
  72
  73 // Do a get on a block that is not existing in any of the keep servers.
  74 // Expect "block not found" error.
  75 func TestPullWorkerIntegration_GetNonExistingLocator(t *testing.T) {
  76         testData := PullWorkIntegrationTestData{
  77                 Name:     "TestPullWorkerIntegration_GetLocator",
  78                 Locator:  "5d41402abc4b2a76b9719d911017c592",
  79                 Content:  "hello",
  80                 GetError: "Block not found",
  81         }
  82
  83         pullRequest := SetupPullWorkerIntegrationTest(t, testData, false)
  84
  85         performPullWorkerIntegrationTest(testData, pullRequest, t)
  86 }
  87
  88 // Do a get on a block that exists on one of the keep servers.
  89 // The setup method will create this block before doing the get.
  90 func TestPullWorkerIntegration_GetExistingLocator(t *testing.T) {
  91         testData := PullWorkIntegrationTestData{
  92                 Name:     "TestPullWorkerIntegration_GetLocator",
  93                 Locator:  "5d41402abc4b2a76b9719d911017c592",
  94                 Content:  "hello",
  95                 GetError: "",
  96         }
  97
  98         pullRequest := SetupPullWorkerIntegrationTest(t, testData, true)
  99
 100         performPullWorkerIntegrationTest(testData, pullRequest, t)
 101 }
 102
 103 // Perform the test.
 104 // The test directly invokes the "PullItemAndProcess" rather than
 105 // putting an item on the pullq so that the errors can be verified.
 106 func performPullWorkerIntegrationTest(testData PullWorkIntegrationTestData, pullRequest PullRequest, t *testing.T) {
 107
 108         // Override PutContent to mock PutBlock functionality
 109         PutContent = func(content []byte, locator string) (err error) {
 110                 if string(content) != testData.Content {
 111                         t.Errorf("PutContent invoked with unexpected data. Expected: %s; Found: %s", testData.Content, content)
 112                 }
 113                 return
 114         }
 115
 116         keepClient.Arvados.ApiToken = GenerateRandomApiToken()
 117         err := PullItemAndProcess(pullRequest, keepClient.Arvados.ApiToken, keepClient)
 118
 119         if len(testData.GetError) > 0 {
 120                 if (err == nil) || (!strings.Contains(err.Error(), testData.GetError)) {
 121                         t.Errorf("Got error %v", err)
 122                 }
 123         } else {
 124                 if err != nil {
 125                         t.Errorf("Got error %v", err)
 126                 }
 127         }
 128 }