package arvadosclient
import (
+ "fmt"
"git.curoverse.com/arvados.git/sdk/go/arvadostest"
. "gopkg.in/check.v1"
+ "net"
"net/http"
"os"
"testing"
var _ = Suite(&ServerRequiredSuite{})
var _ = Suite(&UnitSuite{})
+var _ = Suite(&MockArvadosServerSuite{})
// Tests that require the Keep server running
type ServerRequiredSuite struct{}
func (s *ServerRequiredSuite) SetUpSuite(c *C) {
arvadostest.StartAPI()
arvadostest.StartKeep(2, false)
+ RetryDelay = 0
}
func (s *ServerRequiredSuite) SetUpTest(c *C) {
c.Assert(PDHMatch("+12345"), Equals, false)
c.Assert(PDHMatch(""), Equals, false)
}
+
+// Tests that use mock arvados server
+type MockArvadosServerSuite struct{}
+
+func (s *MockArvadosServerSuite) SetUpSuite(c *C) {
+ RetryDelay = 0
+}
+
+func (s *MockArvadosServerSuite) SetUpTest(c *C) {
+ arvadostest.ResetEnv()
+}
+
+type APIServer struct {
+ listener net.Listener
+ url string
+}
+
+func RunFakeArvadosServer(st http.Handler) (api APIServer, err error) {
+ api.listener, err = net.ListenTCP("tcp", &net.TCPAddr{Port: 0})
+ if err != nil {
+ return
+ }
+ api.url = api.listener.Addr().String()
+ go http.Serve(api.listener, st)
+ return
+}
+
+type APIStub struct {
+ method string
+ retryAttempts int
+ expected int
+ respStatus []int
+ responseBody []string
+}
+
+func (h *APIStub) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
+ resp.WriteHeader(h.respStatus[h.retryAttempts])
+ resp.Write([]byte(h.responseBody[h.retryAttempts]))
+ h.retryAttempts++
+}
+
+func (s *MockArvadosServerSuite) TestWithRetries(c *C) {
+ for _, stub := range []APIStub{
+ {
+ "get", 0, 200, []int{200, 500}, []string{`{"ok":"ok"}`, ``},
+ },
+ {
+ "create", 0, 200, []int{200, 500}, []string{`{"ok":"ok"}`, ``},
+ },
+ {
+ "get", 0, 500, []int{500, 500, 500, 200}, []string{``, ``, ``, `{"ok":"ok"}`},
+ },
+ {
+ "create", 0, 500, []int{500, 500, 500, 200}, []string{``, ``, ``, `{"ok":"ok"}`},
+ },
+ {
+ "update", 0, 500, []int{500, 500, 500, 200}, []string{``, ``, ``, `{"ok":"ok"}`},
+ },
+ {
+ "delete", 0, 500, []int{500, 500, 500, 200}, []string{``, ``, ``, `{"ok":"ok"}`},
+ },
+ {
+ "get", 0, 502, []int{500, 500, 502, 200}, []string{``, ``, ``, `{"ok":"ok"}`},
+ },
+ {
+ "create", 0, 502, []int{500, 500, 502, 200}, []string{``, ``, ``, `{"ok":"ok"}`},
+ },
+ {
+ "get", 0, 200, []int{500, 500, 200}, []string{``, ``, `{"ok":"ok"}`},
+ },
+ {
+ "create", 0, 200, []int{500, 500, 200}, []string{``, ``, `{"ok":"ok"}`},
+ },
+ {
+ "delete", 0, 200, []int{500, 500, 200}, []string{``, ``, `{"ok":"ok"}`},
+ },
+ {
+ "update", 0, 200, []int{500, 500, 200}, []string{``, ``, `{"ok":"ok"}`},
+ },
+ {
+ "get", 0, 401, []int{401, 200}, []string{``, `{"ok":"ok"}`},
+ },
+ {
+ "create", 0, 401, []int{401, 200}, []string{``, `{"ok":"ok"}`},
+ },
+ {
+ "get", 0, 404, []int{404, 200}, []string{``, `{"ok":"ok"}`},
+ },
+ {
+ "get", 0, 401, []int{500, 401, 200}, []string{``, ``, `{"ok":"ok"}`},
+ },
+ // Use nil responseBody to simulate error during request processing
+ // Even though retryable, the simulated error applies during reties also, and hence "get" also eventually fails in this test.
+ {
+ "get", 0, -1, nil, nil,
+ },
+ {
+ "create", 0, -1, nil, nil,
+ },
+ } {
+ api, err := RunFakeArvadosServer(&stub)
+ c.Check(err, IsNil)
+
+ defer api.listener.Close()
+
+ arv := ArvadosClient{
+ Scheme: "http",
+ ApiServer: api.url,
+ ApiToken: "abc123",
+ ApiInsecure: true,
+ Client: &http.Client{Transport: &http.Transport{}},
+ Retries: 2}
+
+ // We use nil responseBody to look for errors during request processing
+ // Simulate an error using https (but the arv.Client transport used does not support it)
+ if stub.responseBody == nil {
+ arv.Scheme = "https"
+ }
+
+ getback := make(Dict)
+ switch stub.method {
+ case "get":
+ err = arv.Get("collections", "zzzzz-4zz18-znfnqtbbv4spc3w", nil, &getback)
+ case "create":
+ err = arv.Create("collections",
+ Dict{"collection": Dict{"name": "testing"}},
+ &getback)
+ case "update":
+ err = arv.Update("collections", "zzzzz-4zz18-znfnqtbbv4spc3w",
+ Dict{"collection": Dict{"name": "testing"}},
+ &getback)
+ case "delete":
+ err = arv.Delete("pipeline_templates", "zzzzz-4zz18-znfnqtbbv4spc3w", nil, &getback)
+ }
+
+ if stub.expected == 200 {
+ c.Check(err, IsNil)
+ c.Assert(getback["ok"], Equals, "ok")
+ } else {
+ c.Check(err, NotNil)
+
+ if stub.responseBody == nil { // test uses empty responseBody to look for errors during request processing
+ c.Assert(err, ErrorMatches, "* oversized record received.*")
+ } else {
+ c.Assert(err, ErrorMatches, fmt.Sprintf("%s%d.*", "arvados API server error: ", stub.expected))
+ c.Assert(err.(APIServerError).HttpStatusCode, Equals, stub.expected)
+ }
+ }
+ }
+}