func TestValidateInt(t *testing.T) {
testVal, err := util.ValidateInt("15", 10)
if err != nil {
t.Error("'15' should pass validation")
}
if 15 != testVal {
t.Error("validation should return 15")
}
testVal, err = util.ValidateInt("1a5", 10)
if err == nil {
t.Error("'1a5' should fail validation")
}
if 10 != testVal {
t.Error("validation should return 10 (default value)")
}
testVal, err = util.ValidateInt("", 10)
if err != nil {
t.Error("'' should pass validation (empty string)")
}
if 10 != testVal {
t.Error("validation should return 10 (default value)")
}
}
func ExampleValidateInt() {
value, err := util.ValidateInt("1a5", 10) // fails to validate, returns default
if err != nil {
// if you care that validation failed, otherwise value == default (10)
}
value, err = util.ValidateInt("15", 10) // validates, returns parsed val
fmt.Printf("%v | %v", value, err) // Output: 15 | <nil>
}
func (c *streamController) coalesceStreams(w http.ResponseWriter, r *http.Request, ps httprouter.Params) error {
body, err := ioutil.ReadAll(r.Body)
log.WithFields(fieldsFor(r, body, err)).Debug("/coalesce")
queryParams := r.URL.Query()
limit, err := util.ValidateInt(queryParams.Get("limit"), 10)
if err != nil {
return StatusError{Code: 422, Err: errors.New("Limit should be a number")}
}
fromSlug := queryParams.Get("from")
var query model.StreamQuery
err = json.Unmarshal(body, &query)
if err != nil {
return StatusError{Code: 422, Err: err}
}
response, err := c.streamService.Load(query, limit, fromSlug)
if err != nil {
return StatusError{Code: 400, Err: errors.New("An error occurred loading streams")}
}
addLink(w, nextPage(r, response, limit))
c.JSON(w, http.StatusOK, response.Items)
return nil
}
func (c *streamController) getStream(w http.ResponseWriter, r *http.Request, ps httprouter.Params) error {
startTime := time.Now()
log.WithFields(fieldsFor(r, nil, nil)).Debug("/getStream")
//get ID and validate that it is a uuid.
streamID := ps.ByName("id")
queryParams := r.URL.Query()
limit, err := util.ValidateInt(queryParams.Get("limit"), 10)
if err != nil {
return StatusError{Code: 422, Err: errors.New("Limit should be a number")}
}
fromSlug := queryParams.Get("from")
response, err := c.streamService.Load(model.StreamQuery{Streams: []string{streamID}}, limit, fromSlug)
if err != nil {
return StatusError{Code: 400, Err: errors.New("An error occurred loading streams")}
}
addLink(w, nextPage(r, response, limit))
c.JSON(w, http.StatusOK, response.Items)
getStreamTimer.UpdateSince(startTime)
return nil
}