Implement graceful shutdown of consumer
[nonrtric.git] / dmaap-mediator-producer / internal / jobs / jobs_test.go
index 0941033..9fe27c3 100644 (file)
 package jobs
 
 import (
+       "bytes"
+       "io/ioutil"
+       "net/http"
        "os"
        "path/filepath"
+       "sync"
        "testing"
+       "time"
 
        "github.com/stretchr/testify/require"
+       "oransc.org/nonrtric/dmaapmediatorproducer/internal/config"
 )
 
-const type1Schema = `{"title": "Type 1"}`
+const typeDefinition = `{"types": [{"id": "type1", "dmaapTopicUrl": "events/unauthenticated.SEC_FAULT_OUTPUT/dmaapmediatorproducer/type1"}]}`
 
 func TestGetTypes_filesOkShouldReturnSliceOfTypesAndProvideSupportedTypes(t *testing.T) {
        assertions := require.New(t)
@@ -36,35 +42,32 @@ func TestGetTypes_filesOkShouldReturnSliceOfTypesAndProvideSupportedTypes(t *tes
        if err != nil {
                t.Errorf("Unable to create temporary directory for types due to: %v", err)
        }
+       fname := filepath.Join(typesDir, "type_config.json")
+       handlerUnderTest := NewJobHandlerImpl(fname, nil, nil)
        t.Cleanup(func() {
                os.RemoveAll(typesDir)
-               clearAll()
+               handlerUnderTest.clearAll()
        })
-       typeDir = typesDir
-       fname := filepath.Join(typesDir, "type1.json")
-       if err = os.WriteFile(fname, []byte(type1Schema), 0666); err != nil {
-               t.Errorf("Unable to create temporary files for types due to: %v", err)
+       if err = os.WriteFile(fname, []byte(typeDefinition), 0666); err != nil {
+               t.Errorf("Unable to create temporary config file for types due to: %v", err)
        }
-       types, err := GetTypes()
-       wantedType := Type{
-               TypeId: "type1",
-               Schema: type1Schema,
+       types, err := handlerUnderTest.GetTypes()
+       wantedType := config.TypeDefinition{
+               Id:            "type1",
+               DmaapTopicURL: "events/unauthenticated.SEC_FAULT_OUTPUT/dmaapmediatorproducer/type1",
        }
-       wantedTypes := []*Type{&wantedType}
+       wantedTypes := []config.TypeDefinition{wantedType}
        assertions.EqualValues(wantedTypes, types)
        assertions.Nil(err)
 
-       supportedTypes := GetSupportedTypes()
+       supportedTypes := handlerUnderTest.GetSupportedTypes()
        assertions.EqualValues([]string{"type1"}, supportedTypes)
 }
 
 func TestAddJobWhenTypeIsSupported_shouldAddJobToAllJobsMap(t *testing.T) {
        assertions := require.New(t)
-       allJobs["type1"] = make(map[string]JobInfo)
-       t.Cleanup(func() {
-               clearAll()
-       })
-       jobInfo := JobInfo{
+       handlerUnderTest := NewJobHandlerImpl("", nil, nil)
+       wantedJob := JobInfo{
                Owner:            "owner",
                LastUpdated:      "now",
                InfoJobIdentity:  "job1",
@@ -72,49 +75,183 @@ func TestAddJobWhenTypeIsSupported_shouldAddJobToAllJobsMap(t *testing.T) {
                InfoJobData:      "{}",
                InfoTypeIdentity: "type1",
        }
+       handlerUnderTest.allTypes["type1"] = TypeData{
+               TypeId: "type1",
+               Jobs:   map[string]JobInfo{"job1": wantedJob},
+       }
+       t.Cleanup(func() {
+               handlerUnderTest.clearAll()
+       })
 
-       err := AddJob(jobInfo)
+       err := handlerUnderTest.AddJob(wantedJob)
        assertions.Nil(err)
-       assertions.Equal(1, len(allJobs["type1"]))
-       assertions.Equal(jobInfo, allJobs["type1"]["job1"])
+       assertions.Equal(1, len(handlerUnderTest.allTypes["type1"].Jobs))
+       assertions.Equal(wantedJob, handlerUnderTest.allTypes["type1"].Jobs["job1"])
 }
 
 func TestAddJobWhenTypeIsNotSupported_shouldReturnError(t *testing.T) {
        assertions := require.New(t)
+       handlerUnderTest := NewJobHandlerImpl("", nil, nil)
        jobInfo := JobInfo{
                InfoTypeIdentity: "type1",
        }
 
-       err := AddJob(jobInfo)
+       err := handlerUnderTest.AddJob(jobInfo)
        assertions.NotNil(err)
        assertions.Equal("type not supported: type1", err.Error())
 }
 
 func TestAddJobWhenJobIdMissing_shouldReturnError(t *testing.T) {
        assertions := require.New(t)
-       allJobs["type1"] = make(map[string]JobInfo)
+       handlerUnderTest := NewJobHandlerImpl("", nil, nil)
+       handlerUnderTest.allTypes["type1"] = TypeData{
+               TypeId: "type1",
+       }
        t.Cleanup(func() {
-               clearAll()
+               handlerUnderTest.clearAll()
        })
+
        jobInfo := JobInfo{
                InfoTypeIdentity: "type1",
        }
-
-       err := AddJob(jobInfo)
+       err := handlerUnderTest.AddJob(jobInfo)
        assertions.NotNil(err)
-       assertions.Equal("missing required job identity: {     type1}", err.Error())
+       assertions.Equal("missing required job identity: {    <nil> type1}", err.Error())
 }
 
 func TestAddJobWhenTargetUriMissing_shouldReturnError(t *testing.T) {
        assertions := require.New(t)
-       allJobs["type1"] = make(map[string]JobInfo)
+       handlerUnderTest := NewJobHandlerImpl("", nil, nil)
+       handlerUnderTest.allTypes["type1"] = TypeData{
+               TypeId: "type1",
+       }
+       t.Cleanup(func() {
+               handlerUnderTest.clearAll()
+       })
+
        jobInfo := JobInfo{
                InfoTypeIdentity: "type1",
                InfoJobIdentity:  "job1",
        }
-
-       err := AddJob(jobInfo)
+       err := handlerUnderTest.AddJob(jobInfo)
        assertions.NotNil(err)
-       assertions.Equal("missing required target URI: {  job1   type1}", err.Error())
-       clearAll()
+       assertions.Equal("missing required target URI: {  job1  <nil> type1}", err.Error())
+}
+
+func TestDeleteJob(t *testing.T) {
+       assertions := require.New(t)
+       handlerUnderTest := NewJobHandlerImpl("", nil, nil)
+       jobToKeep := JobInfo{
+               InfoJobIdentity:  "job1",
+               InfoTypeIdentity: "type1",
+       }
+       jobToDelete := JobInfo{
+               InfoJobIdentity:  "job2",
+               InfoTypeIdentity: "type1",
+       }
+       handlerUnderTest.allTypes["type1"] = TypeData{
+               TypeId: "type1",
+               Jobs:   map[string]JobInfo{"job1": jobToKeep, "job2": jobToDelete},
+       }
+       t.Cleanup(func() {
+               handlerUnderTest.clearAll()
+       })
+
+       handlerUnderTest.DeleteJob("job2")
+       assertions.Equal(1, len(handlerUnderTest.allTypes["type1"].Jobs))
+       assertions.Equal(jobToKeep, handlerUnderTest.allTypes["type1"].Jobs["job1"])
+}
+
+func TestPollAndDistributeMessages(t *testing.T) {
+       assertions := require.New(t)
+
+       messages := `[{"message": {"data": "data"}}]`
+       pollClientMock := NewTestClient(func(req *http.Request) *http.Response {
+               if req.URL.String() == "http://mrAddr/topicUrl" {
+                       assertions.Equal(req.Method, "GET")
+                       wg.Done() // Signal that the poll call has been made
+                       return &http.Response{
+                               StatusCode: 200,
+                               Body:       ioutil.NopCloser(bytes.NewReader([]byte(messages))),
+                               Header:     make(http.Header), // Must be set to non-nil value or it panics
+                       }
+               }
+               t.Error("Wrong call to client: ", req)
+               t.Fail()
+               return nil
+       })
+       distributeClientMock := NewTestClient(func(req *http.Request) *http.Response {
+               if req.URL.String() == "http://consumerHost/target" {
+                       assertions.Equal(req.Method, "POST")
+                       assertions.Equal(messages, getBodyAsString(req))
+                       assertions.Equal("application/json; charset=utf-8", req.Header.Get("Content-Type"))
+                       wg.Done() // Signal that the distribution call has been made
+                       return &http.Response{
+                               StatusCode: 200,
+                               Body:       ioutil.NopCloser(bytes.NewBufferString(`OK`)),
+                               Header:     make(http.Header), // Must be set to non-nil value or it panics
+                       }
+               }
+               t.Error("Wrong call to client: ", req)
+               t.Fail()
+               return nil
+       })
+       handlerUnderTest := NewJobHandlerImpl("", pollClientMock, distributeClientMock)
+       jobInfo := JobInfo{
+               InfoTypeIdentity: "type1",
+               InfoJobIdentity:  "job1",
+               TargetUri:        "http://consumerHost/target",
+       }
+       handlerUnderTest.allTypes["type1"] = TypeData{
+               TypeId:        "type1",
+               DMaaPTopicURL: "topicUrl",
+               Jobs:          map[string]JobInfo{"job1": jobInfo},
+       }
+       t.Cleanup(func() {
+               handlerUnderTest.clearAll()
+       })
+
+       wg := sync.WaitGroup{}
+       wg.Add(2) // Two calls should be made to the server, one to poll and one to distribute
+       handlerUnderTest.pollAndDistributeMessages("http://mrAddr")
+
+       if waitTimeout(&wg, 100*time.Millisecond) {
+               t.Error("Not all calls to server were made")
+               t.Fail()
+       }
+}
+
+type RoundTripFunc func(req *http.Request) *http.Response
+
+func (f RoundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
+       return f(req), nil
+}
+
+//NewTestClient returns *http.Client with Transport replaced to avoid making real calls
+func NewTestClient(fn RoundTripFunc) *http.Client {
+       return &http.Client{
+               Transport: RoundTripFunc(fn),
+       }
+}
+
+// waitTimeout waits for the waitgroup for the specified max timeout.
+// Returns true if waiting timed out.
+func waitTimeout(wg *sync.WaitGroup, timeout time.Duration) bool {
+       c := make(chan struct{})
+       go func() {
+               defer close(c)
+               wg.Wait()
+       }()
+       select {
+       case <-c:
+               return false // completed normally
+       case <-time.After(timeout):
+               return true // timed out
+       }
+}
+
+func getBodyAsString(req *http.Request) string {
+       buf := new(bytes.Buffer)
+       buf.ReadFrom(req.Body)
+       return buf.String()
 }