package main import ( "bytes" "errors" "git.curoverse.com/arvados.git/sdk/go/arvadosclient" "git.curoverse.com/arvados.git/sdk/go/keepclient" . "gopkg.in/check.v1" "io" "net/http" "time" ) var _ = Suite(&PullWorkerTestSuite{}) type PullWorkerTestSuite struct{} var testPullLists map[string]string var readContent string var readError error var putContent []byte var putError error var currentTestData PullWorkerTestData func (s *PullWorkerTestSuite) SetUpTest(c *C) { readContent = "" readError = nil putContent = []byte("") putError = nil // When a new pull request arrives, the old one will be overwritten. // This behavior is verified using these two maps in the // "TestPullWorkerPullList_with_two_items_latest_replacing_old" testPullLists = make(map[string]string) } // Since keepstore does not come into picture in tests, // we need to explicitly start the goroutine in tests. func RunTestPullWorker(c *C) { arv, err := arvadosclient.MakeArvadosClient() c.Assert(err, Equals, nil) keepClient, err := keepclient.MakeKeepClient(&arv) c.Assert(err, Equals, nil) pullq = NewWorkQueue() go RunPullWorker(pullq, keepClient) } var firstPullList = []byte(`[ { "locator":"acbd18db4cc2f85cedef654fccc4a4d8+3", "servers":[ "server_1", "server_2" ] },{ "locator":"37b51d194a7513e45b56f6524f2d51f2+3", "servers":[ "server_3" ] } ]`) var secondPullList = []byte(`[ { "locator":"73feffa4b7f6bb68e44cf984c85f6e88+3", "servers":[ "server_1", "server_2" ] } ]`) type PullWorkerTestData struct { name string req RequestTester responseCode int responseBody string readContent string readError bool putError bool } func (s *PullWorkerTestSuite) TestPullWorkerPullList_with_two_locators(c *C) { defer teardown() dataManagerToken = "DATA MANAGER TOKEN" testData := PullWorkerTestData{ name: "TestPullWorkerPullList_with_two_locators", req: RequestTester{"/pull", dataManagerToken, "PUT", firstPullList}, responseCode: http.StatusOK, responseBody: "Received 2 pull requests\n", readContent: "hello", readError: false, putError: false, } performTest(testData, c) } func (s *PullWorkerTestSuite) TestPullWorkerPullList_with_one_locator(c *C) { defer teardown() dataManagerToken = "DATA MANAGER TOKEN" testData := PullWorkerTestData{ name: "TestPullWorkerPullList_with_one_locator", req: RequestTester{"/pull", dataManagerToken, "PUT", secondPullList}, responseCode: http.StatusOK, responseBody: "Received 1 pull requests\n", readContent: "hola", readError: false, putError: false, } performTest(testData, c) } func (s *PullWorkerTestSuite) TestPullWorker_error_on_get_one_locator(c *C) { defer teardown() dataManagerToken = "DATA MANAGER TOKEN" testData := PullWorkerTestData{ name: "TestPullWorker_error_on_get_one_locator", req: RequestTester{"/pull", dataManagerToken, "PUT", secondPullList}, responseCode: http.StatusOK, responseBody: "Received 1 pull requests\n", readContent: "unused", readError: true, putError: false, } performTest(testData, c) } func (s *PullWorkerTestSuite) TestPullWorker_error_on_get_two_locators(c *C) { defer teardown() dataManagerToken = "DATA MANAGER TOKEN" testData := PullWorkerTestData{ name: "TestPullWorker_error_on_get_two_locators", req: RequestTester{"/pull", dataManagerToken, "PUT", firstPullList}, responseCode: http.StatusOK, responseBody: "Received 2 pull requests\n", readContent: "unused", readError: true, putError: false, } performTest(testData, c) } func (s *PullWorkerTestSuite) TestPullWorker_error_on_put_one_locator(c *C) { defer teardown() dataManagerToken = "DATA MANAGER TOKEN" testData := PullWorkerTestData{ name: "TestPullWorker_error_on_put_one_locator", req: RequestTester{"/pull", dataManagerToken, "PUT", secondPullList}, responseCode: http.StatusOK, responseBody: "Received 1 pull requests\n", readContent: "hello hello", readError: false, putError: true, } performTest(testData, c) } func (s *PullWorkerTestSuite) TestPullWorker_error_on_put_two_locators(c *C) { defer teardown() dataManagerToken = "DATA MANAGER TOKEN" testData := PullWorkerTestData{ name: "TestPullWorker_error_on_put_two_locators", req: RequestTester{"/pull", dataManagerToken, "PUT", firstPullList}, responseCode: http.StatusOK, responseBody: "Received 2 pull requests\n", readContent: "hello again", readError: false, putError: true, } performTest(testData, c) } // When a new pull request arrives, the old one is replaced. This test // is used to check that behavior by first putting an item on the queue, // and then performing the test. Thus the "testPullLists" has two entries; // however, processedPullLists will see only the newest item in the list. func (s *PullWorkerTestSuite) TestPullWorkerPullList_with_two_items_latest_replacing_old(c *C) { defer teardown() var firstInput = []int{1} pullq = NewWorkQueue() pullq.ReplaceQueue(makeTestWorkList(firstInput)) testPullLists["Added_before_actual_test_item"] = string(1) dataManagerToken = "DATA MANAGER TOKEN" testData := PullWorkerTestData{ name: "TestPullWorkerPullList_with_two_items_latest_replacing_old", req: RequestTester{"/pull", dataManagerToken, "PUT", secondPullList}, responseCode: http.StatusOK, responseBody: "Received 1 pull requests\n", readContent: "hola de nuevo", readError: false, putError: false, } performTest(testData, c) } // In this case, the item will not be placed on pullq func (s *PullWorkerTestSuite) TestPullWorker_invalid_dataManagerToken(c *C) { defer teardown() dataManagerToken = "DATA MANAGER TOKEN" testData := PullWorkerTestData{ name: "TestPullWorkerPullList_with_two_locators", req: RequestTester{"/pull", "invalid_dataManagerToken", "PUT", firstPullList}, responseCode: http.StatusUnauthorized, responseBody: "Unauthorized\n", readContent: "hello", readError: false, putError: false, } performTest(testData, c) } func performTest(testData PullWorkerTestData, c *C) { KeepVM = MakeTestVolumeManager(2) defer KeepVM.Close() RunTestPullWorker(c) defer pullq.Close() currentTestData = testData testPullLists[testData.name] = testData.responseBody processedPullLists := make(map[string]string) // Override GetContent to mock keepclient Get functionality defer func(orig func(string, *keepclient.KeepClient) (io.ReadCloser, int64, string, error)) { GetContent = orig }(GetContent) GetContent = func(signedLocator string, keepClient *keepclient.KeepClient) (reader io.ReadCloser, contentLength int64, url string, err error) { c.Assert(getStatusItem("PullQueue", "InProgress"), Equals, float64(1)) processedPullLists[testData.name] = testData.responseBody if testData.readError { err = errors.New("Error getting data") readError = err return nil, 0, "", err } readContent = testData.readContent cb := &ClosingBuffer{bytes.NewBufferString(testData.readContent)} var rc io.ReadCloser rc = cb return rc, int64(len(testData.readContent)), "", nil } // Override PutContent to mock PutBlock functionality defer func(orig func([]byte, string) error) { PutContent = orig }(PutContent) PutContent = func(content []byte, locator string) (err error) { if testData.putError { err = errors.New("Error putting data") putError = err return err } putContent = content return nil } c.Assert(getStatusItem("PullQueue", "InProgress"), Equals, float64(0)) c.Assert(getStatusItem("PullQueue", "Queued"), Equals, float64(0)) response := IssueRequest(&testData.req) c.Assert(response.Code, Equals, testData.responseCode) c.Assert(response.Body.String(), Equals, testData.responseBody) expectEqualWithin(c, time.Second, 0, func() interface{} { st := pullq.Status() return st.InProgress + st.Queued }) if testData.name == "TestPullWorkerPullList_with_two_items_latest_replacing_old" { c.Assert(len(testPullLists), Equals, 2) c.Assert(len(processedPullLists), Equals, 1) c.Assert(testPullLists["Added_before_actual_test_item"], NotNil) c.Assert(testPullLists["TestPullWorkerPullList_with_two_items_latest_replacing_old"], NotNil) c.Assert(processedPullLists["TestPullWorkerPullList_with_two_items_latest_replacing_old"], NotNil) } else { if testData.responseCode == http.StatusOK { c.Assert(len(testPullLists), Equals, 1) c.Assert(len(processedPullLists), Equals, 1) c.Assert(testPullLists[testData.name], NotNil) } else { c.Assert(len(testPullLists), Equals, 1) c.Assert(len(processedPullLists), Equals, 0) } } if testData.readError { c.Assert(readError, NotNil) } else if testData.responseCode == http.StatusOK { c.Assert(readError, IsNil) c.Assert(readContent, Equals, testData.readContent) if testData.putError { c.Assert(putError, NotNil) } else { c.Assert(putError, IsNil) c.Assert(string(putContent), Equals, testData.readContent) } } expectChannelEmpty(c, pullq.NextItem) } type ClosingBuffer struct { *bytes.Buffer } func (cb *ClosingBuffer) Close() (err error) { return }