func checkTimeSeries(t *testing.T, got *ts.TimeSeries, exp *TestSeries) {
if got == nil {
t.Errorf("FAIL(TimeSeries): can't be nil")
return
}
if exp == nil {
t.Errorf("FAIL(TimeSeries): can't be nil")
return
}
checkKey(t, got.Key(), exp.Key)
checkStart(t, got.Start(), exp.Start)
checkEnd(t, got.End(), exp.End)
checkStep(t, got.Step(), exp.Step)
checkData(t, got.Data(), exp.Data)
}
func valueString(ts *ts.TimeSeries, start, end time.Time) (string, error) {
s := bytes.NewBufferString("[ '")
if _, err := s.WriteString(ts.Key()); err != nil {
return "", err
}
if _, err := s.WriteString("', "); err != nil {
return "", err
}
for cursor, step := start, ts.Step(); cursor.Before(end); cursor = cursor.Add(step) {
v, _ := ts.GetAt(cursor)
if _, err := s.WriteString(strconv.FormatFloat(v, 'E', 2, 64)); err != nil {
return "", err
}
if err := s.WriteByte(','); err != nil {
return "", err
}
if step == 0 {
break
}
}
if s.Len() > 0 {
s.Truncate(s.Len() - 1)
}
if err := s.WriteByte(']'); err != nil {
return "", err
}
return s.String(), nil
}
func timeString(ts *ts.TimeSeries) (string, error) {
s := bytes.NewBufferString("[ 'x', ")
cursor := ts.Start()
step := ts.Step()
for _, _ = range ts.Data() {
if err := s.WriteByte('\''); err != nil {
return "", err
}
if _, err := s.WriteString(cursor.Format("20060102 15:04:05")); err != nil {
return "", err
}
if _, err := s.WriteString("',"); err != nil {
return "", err
}
cursor = cursor.Add(step)
}
if s.Len() > 0 {
s.Truncate(s.Len() - 1)
}
if err := s.WriteByte(']'); err != nil {
return "", err
}
return s.String(), nil
}