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extern crate serde;
#[macro_use]
extern crate serde_derive;
extern crate serde_json;
mod mods;
pub use mods::*;
mod types;
pub use types::*;
pub mod requests;
#[cfg(feature = "reqwest")]
pub use requests::default_client;
fn get_slack_url_for_method(method: &str) -> String {
format!("https://slack.com/api/{}", method)
}
fn optional_struct_or_empty_array<'de, T, D>(deserializer: D) -> Result<Option<T>, D::Error>
where T: serde::Deserialize + Default,
D: serde::Deserializer
{
use std::marker::PhantomData;
use serde::de;
struct StructOrEmptyArray<T>(PhantomData<T>);
impl<'de, T> de::Visitor for StructOrEmptyArray<T>
where T: de::Deserialize + Default
{
type Value = Option<T>;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
formatter.write_str("struct or empty array")
}
fn visit_seq<A>(self, mut seq: A) -> Result<Option<T>, A::Error>
where A: de::SeqVisitor
{
match seq.visit::<T>()? {
Some(_) => Err(de::Error::custom("non-empty array is not valid")),
None => Ok(Some(T::default())),
}
}
fn visit_unit<E>(self) -> Result<Option<T>, E>
where E: de::Error
{
Ok(None)
}
fn visit_map<M>(self, visitor: M) -> Result<Option<T>, M::Error>
where M: de::MapVisitor
{
T::deserialize(de::value::MapVisitorDeserializer::new(visitor)).map(Some)
}
}
deserializer.deserialize(StructOrEmptyArray(PhantomData))
}
#[cfg(test)]
mod tests {
use serde_json;
use super::UserProfile;
#[test]
fn test_user_profile_fields_empty_array_deserialize() {
let user_profile: UserProfile = serde_json::from_str(r#"{"fields": []}"#).unwrap();
assert_eq!(0, user_profile.fields.unwrap().len());
}
#[test]
fn test_user_profile_fields_empty_map_deserialize() {
let user_profile: UserProfile = serde_json::from_str(r#"{"fields": {}}"#).unwrap();
assert_eq!(0, user_profile.fields.unwrap().len());
}
#[test]
fn test_user_profile_fields_nonempty_map_deserialize() {
let user_profile: UserProfile = serde_json::from_str(r#"{"fields": {"some_field": {"alt": "foo", "label": "bar"}}}"#).unwrap();
assert_eq!(1, user_profile.fields.unwrap().len());
}
#[test]
fn test_user_profile_fields_null_deserialize() {
let user_profile: UserProfile = serde_json::from_str(r#"{"fields": null}"#).unwrap();
assert!(user_profile.fields.is_none());
}
#[test]
fn test_user_profile_fields_undefined_deserialize() {
let user_profile: UserProfile = serde_json::from_str(r#"{}"#).unwrap();
assert!(user_profile.fields.is_none());
}
}