2020-09-28 14:13:10 +00:00
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package agent
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import (
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"context"
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"fmt"
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"net/http"
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"net/http/httptest"
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"net/url"
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"strings"
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"testing"
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"time"
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2020-10-08 18:27:52 +00:00
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"github.com/hashicorp/nomad/helper/uuid"
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2020-10-23 18:23:00 +00:00
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"github.com/hashicorp/nomad/nomad/mock"
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2020-10-06 15:08:12 +00:00
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"github.com/hashicorp/nomad/nomad/structs"
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2020-09-28 14:13:10 +00:00
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"github.com/hashicorp/nomad/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type testEvent struct {
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ID string
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}
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2020-10-23 18:23:00 +00:00
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func TestHTTP_EventSinkList(t *testing.T) {
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t.Parallel()
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httpTest(t, nil, func(s *TestAgent) {
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s1 := mock.EventSink()
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s2 := mock.EventSink()
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require.NoError(t, s.Agent.server.State().UpsertEventSink(1000, s1))
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require.NoError(t, s.Agent.server.State().UpsertEventSink(1001, s2))
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req, err := http.NewRequest("GET", "/v1/event/sinks", nil)
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require.NoError(t, err)
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respW := httptest.NewRecorder()
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obj, err := s.Server.EventSinksRequest(respW, req)
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require.NoError(t, err)
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require.Equal(t, "1001", respW.HeaderMap.Get("X-Nomad-Index"))
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n := obj.([]*structs.EventSink)
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require.Len(t, n, 2)
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})
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}
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func TestHTTP_EventSinkGet(t *testing.T) {
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httpTest(t, nil, func(s *TestAgent) {
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s1 := mock.EventSink()
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require.NoError(t, s.Agent.server.State().UpsertEventSink(1000, s1))
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req, err := http.NewRequest("GET", "/v1/event/sink/"+s1.ID, nil)
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require.NoError(t, err)
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respW := httptest.NewRecorder()
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obj, err := s.Server.EventSinkSpecificRequest(respW, req)
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require.NoError(t, err)
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require.Equal(t, "1000", respW.HeaderMap.Get("X-Nomad-Index"))
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n := obj.(*structs.EventSink)
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require.Equal(t, s1, n)
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})
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}
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func TestHTTP_EventSinkUpsert(t *testing.T) {
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httpTest(t, nil, func(s *TestAgent) {
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s1 := mock.EventSink()
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buf := encodeReq(s1)
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req, err := http.NewRequest("POST", "/v1/event/sink/"+s1.ID, buf)
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require.NoError(t, err)
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respW := httptest.NewRecorder()
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_, err = s.Server.EventSinkSpecificRequest(respW, req)
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require.NoError(t, err)
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require.NotEqual(t, "", respW.HeaderMap.Get("X-Nomad-Index"))
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state := s.Agent.server.State()
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out, err := state.EventSinkByID(nil, s1.ID)
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require.NoError(t, err)
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require.Equal(t, s1.Address, out.Address)
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require.Equal(t, s1.ID, out.ID)
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})
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}
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func TestHTTP_EventSinkDelete(t *testing.T) {
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httpTest(t, nil, func(s *TestAgent) {
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s1 := mock.EventSink()
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require.NoError(t, s.Agent.server.State().UpsertEventSink(1000, s1))
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req, err := http.NewRequest("DELETE", "/v1/event/sink/"+s1.ID, nil)
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require.NoError(t, err)
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respW := httptest.NewRecorder()
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_, err = s.Server.EventSinkSpecificRequest(respW, req)
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require.NoError(t, err)
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require.NotEqual(t, "", respW.HeaderMap.Get("X-Nomad-Index"))
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state := s.Agent.server.State()
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out, err := state.EventSinkByID(nil, s1.ID)
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require.NoError(t, err)
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require.Nil(t, out)
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})
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}
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2020-09-28 14:13:10 +00:00
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func TestEventStream(t *testing.T) {
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t.Parallel()
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httpTest(t, nil, func(s *TestAgent) {
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ctx, cancel := context.WithCancel(context.Background())
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req, err := http.NewRequestWithContext(ctx, "GET", "/v1/event/stream", nil)
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require.Nil(t, err)
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resp := httptest.NewRecorder()
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respErrCh := make(chan error)
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go func() {
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_, err = s.Server.EventStream(resp, req)
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respErrCh <- err
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assert.NoError(t, err)
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}()
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2020-10-08 18:27:52 +00:00
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pub, err := s.Agent.server.State().EventBroker()
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2020-09-28 14:13:10 +00:00
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require.NoError(t, err)
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2020-10-06 20:21:58 +00:00
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pub.Publish(&structs.Events{Index: 100, Events: []structs.Event{{Payload: testEvent{ID: "123"}}}})
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2020-09-28 14:13:10 +00:00
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testutil.WaitForResult(func() (bool, error) {
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got := resp.Body.String()
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want := `{"ID":"123"}`
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if strings.Contains(got, want) {
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return true, nil
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}
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return false, fmt.Errorf("missing expected json, got: %v, want: %v", got, want)
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}, func(err error) {
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cancel()
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require.Fail(t, err.Error())
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})
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// wait for response to close to prevent race between subscription
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2020-10-08 15:57:21 +00:00
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// shutdown and server shutdown returning subscription closed by server err
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cancel()
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select {
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case err := <-respErrCh:
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require.Nil(t, err)
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case <-time.After(1 * time.Second):
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require.Fail(t, "waiting for request cancellation")
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}
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})
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}
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func TestEventStream_NamespaceQuery(t *testing.T) {
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t.Parallel()
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httpTest(t, nil, func(s *TestAgent) {
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ctx, cancel := context.WithCancel(context.Background())
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2020-10-08 18:27:52 +00:00
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defer cancel()
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2020-10-08 15:57:21 +00:00
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req, err := http.NewRequestWithContext(ctx, "GET", "/v1/event/stream?namespace=foo", nil)
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require.Nil(t, err)
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resp := httptest.NewRecorder()
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respErrCh := make(chan error)
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go func() {
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_, err = s.Server.EventStream(resp, req)
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respErrCh <- err
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assert.NoError(t, err)
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}()
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2020-10-08 18:27:52 +00:00
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pub, err := s.Agent.server.State().EventBroker()
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2020-10-08 15:57:21 +00:00
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require.NoError(t, err)
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2020-10-08 18:27:52 +00:00
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badID := uuid.Generate()
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pub.Publish(&structs.Events{Index: 100, Events: []structs.Event{{Namespace: "bar", Payload: testEvent{ID: badID}}}})
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2020-10-08 15:57:21 +00:00
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pub.Publish(&structs.Events{Index: 101, Events: []structs.Event{{Namespace: "foo", Payload: testEvent{ID: "456"}}}})
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testutil.WaitForResult(func() (bool, error) {
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got := resp.Body.String()
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want := `"Namespace":"foo"`
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2020-10-08 18:27:52 +00:00
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if strings.Contains(got, badID) {
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2020-10-08 15:57:21 +00:00
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return false, fmt.Errorf("expected non matching namespace to be filtered, got:%v", got)
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}
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if strings.Contains(got, want) {
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return true, nil
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}
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return false, fmt.Errorf("missing expected json, got: %v, want: %v", got, want)
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}, func(err error) {
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require.Fail(t, err.Error())
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})
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// wait for response to close to prevent race between subscription
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2020-09-28 14:13:10 +00:00
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// shutdown and server shutdown returning subscription closed by server err
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cancel()
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select {
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case err := <-respErrCh:
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require.Nil(t, err)
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case <-time.After(1 * time.Second):
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require.Fail(t, "waiting for request cancellation")
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}
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})
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}
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func TestEventStream_QueryParse(t *testing.T) {
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t.Parallel()
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cases := []struct {
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desc string
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query string
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2020-10-04 19:12:35 +00:00
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want map[structs.Topic][]string
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2020-09-28 14:13:10 +00:00
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wantErr bool
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}{
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{
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desc: "all topics and keys specified",
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query: "?topic=*:*",
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2020-10-04 19:12:35 +00:00
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want: map[structs.Topic][]string{
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2020-10-01 18:43:28 +00:00
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"*": {"*"},
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2020-09-28 14:13:10 +00:00
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},
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},
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{
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desc: "all topics and keys inferred",
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query: "",
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2020-10-04 19:12:35 +00:00
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want: map[structs.Topic][]string{
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2020-10-01 18:43:28 +00:00
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"*": {"*"},
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2020-09-28 14:13:10 +00:00
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},
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},
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{
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desc: "invalid key value formatting",
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query: "?topic=NodeDrain:*:*",
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wantErr: true,
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},
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{
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2020-10-06 15:08:12 +00:00
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desc: "Infer wildcard if absent",
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2020-09-28 14:13:10 +00:00
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query: "?topic=NodeDrain",
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2020-10-06 15:08:12 +00:00
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wantErr: false,
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want: map[structs.Topic][]string{
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"NodeDrain": {"*"},
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},
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2020-09-28 14:13:10 +00:00
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},
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{
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desc: "single topic and key",
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query: "?topic=NodeDrain:*",
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2020-10-04 19:12:35 +00:00
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want: map[structs.Topic][]string{
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2020-10-01 18:43:28 +00:00
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"NodeDrain": {"*"},
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2020-09-28 14:13:10 +00:00
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},
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},
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{
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desc: "single topic multiple keys",
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query: "?topic=NodeDrain:*&topic=NodeDrain:3caace09-f1f4-4d23-b37a-9ab5eb75069d",
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2020-10-04 19:12:35 +00:00
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want: map[structs.Topic][]string{
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2020-10-01 18:43:28 +00:00
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"NodeDrain": {
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2020-09-28 14:13:10 +00:00
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"*",
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"3caace09-f1f4-4d23-b37a-9ab5eb75069d",
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},
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},
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},
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{
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desc: "multiple topics",
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query: "?topic=NodeRegister:*&topic=NodeDrain:3caace09-f1f4-4d23-b37a-9ab5eb75069d",
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2020-10-04 19:12:35 +00:00
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want: map[structs.Topic][]string{
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2020-10-01 18:43:28 +00:00
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"NodeDrain": {
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2020-09-28 14:13:10 +00:00
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"3caace09-f1f4-4d23-b37a-9ab5eb75069d",
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},
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2020-10-01 18:43:28 +00:00
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"NodeRegister": {
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2020-09-28 14:13:10 +00:00
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"*",
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},
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},
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},
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}
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for _, tc := range cases {
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t.Run(tc.desc, func(t *testing.T) {
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raw := fmt.Sprintf("http://localhost:80/v1/events%s", tc.query)
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req, err := url.Parse(raw)
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require.NoError(t, err)
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got, err := parseEventTopics(req.Query())
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if tc.wantErr {
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require.Error(t, err)
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return
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}
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require.NoError(t, err)
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require.Equal(t, tc.want, got)
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})
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}
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}
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