Beispiel #1
0
// Ensure a time duration can be formatted.
func TestFormatDuration(t *testing.T) {
	var tests = []struct {
		d time.Duration
		s string
	}{
		{d: 3 * time.Microsecond, s: `3`},
		{d: 1001 * time.Microsecond, s: `1001`},
		{d: 15 * time.Millisecond, s: `15ms`},
		{d: 100 * time.Second, s: `100s`},
		{d: 2 * time.Minute, s: `2m`},
		{d: 2 * time.Hour, s: `2h`},
		{d: 2 * 24 * time.Hour, s: `2d`},
		{d: 2 * 7 * 24 * time.Hour, s: `2w`},
	}

	for i, tt := range tests {
		s := influxql.FormatDuration(tt.d)
		if tt.s != s {
			t.Errorf("%d. %v: mismatch: %s != %s", i, tt.d, tt.s, s)
		}
	}
}
Beispiel #2
0
func TestContinuousQueryService_ResampleOptions(t *testing.T) {
	s := NewTestService(t)
	mc := NewMetaClient(t)
	mc.CreateDatabase("db", "")
	mc.CreateContinuousQuery("db", "cq", `CREATE CONTINUOUS QUERY cq ON db RESAMPLE EVERY 10s FOR 2m BEGIN SELECT mean(value) INTO cpu_mean FROM cpu GROUP BY time(1m) END`)
	s.MetaClient = mc

	db, err := s.MetaClient.Database("db")
	if err != nil {
		t.Fatal(err)
	}

	cq, err := NewContinuousQuery(db.Name, &db.ContinuousQueries[0])
	if err != nil {
		t.Fatal(err)
	} else if cq.Resample.Every != 10*time.Second {
		t.Errorf("expected resample every to be 10s, got %s", influxql.FormatDuration(cq.Resample.Every))
	} else if cq.Resample.For != 2*time.Minute {
		t.Errorf("expected resample for 2m, got %s", influxql.FormatDuration(cq.Resample.For))
	}

	// Set RunInterval high so we can trigger using Run method.
	s.RunInterval = 10 * time.Minute

	done := make(chan struct{})
	expectCallCnt := 0
	callCnt := 0

	// Set a callback for ExecuteQuery.
	qe := s.QueryExecutor.(*QueryExecutor)
	qe.ExecuteQueryFn = func(query *influxql.Query, database string, chunkSize int, closing chan struct{}) (<-chan *influxql.Result, error) {
		callCnt++
		if callCnt >= expectCallCnt {
			done <- struct{}{}
		}
		dummych := make(chan *influxql.Result, 1)
		dummych <- &influxql.Result{}
		return dummych, nil
	}

	s.Open()
	defer s.Close()

	// Set the 'now' time to the start of a 10 minute interval. Then trigger a run.
	// This should trigger two queries (one for the current time interval, one for the previous).
	now := time.Now().Truncate(10 * time.Minute)
	expectCallCnt += 2
	s.RunCh <- &RunRequest{Now: now}

	if err := wait(done, 100*time.Millisecond); err != nil {
		t.Fatal(err)
	}

	// Trigger another run 10 seconds later. Another two queries should happen,
	// but it will be a different two queries.
	expectCallCnt += 2
	s.RunCh <- &RunRequest{Now: now.Add(10 * time.Second)}

	if err := wait(done, 100*time.Millisecond); err != nil {
		t.Fatal(err)
	}

	// Reset the time period and send the initial request at 5 seconds after the
	// 10 minute mark. There should be exactly one call since the current interval is too
	// young and only one interval matches the FOR duration.
	expectCallCnt += 1
	s.Run("", "", now.Add(5*time.Second))

	if err := wait(done, 100*time.Millisecond); err != nil {
		t.Fatal(err)
	}

	// No overflow should be sent.
	if err := wait(done, 100*time.Millisecond); err == nil {
		t.Error("too many queries executed")
	}
}