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 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
}
func ChartSingle(ts *ts.TimeSeries) (template.JS, error) {
if ts == nil {
return template.JS(""), nil
}
t, err := timeString(ts)
if err != nil {
return "", err
}
s := bytes.NewBufferString(t)
if err := s.WriteByte(','); err != nil {
return "", err
}
v, err := valueString(ts, ts.Start(), ts.End())
if err != nil {
return "", err
}
if _, err := s.WriteString(v); err != nil {
return "", err
}
return template.JS(s.String()), nil
}