Use generics to separate mocked from unmocked

This commit is contained in:
Paul Campbell 2024-11-06 19:52:23 +00:00
parent 461e682212
commit 821b61084c
4 changed files with 88 additions and 104 deletions

View file

@ -1,77 +0,0 @@
//
use super::{Error, Net, Result};
#[derive(Debug)]
struct Plan {
request: reqwest::Request,
response: reqwest::Response,
}
#[derive(Default, Debug)]
pub struct MockNet {
plans: Vec<Plan>,
}
impl MockNet {
pub(crate) fn new() -> Self {
Self::default()
}
pub fn into_net(self) -> Net {
Net::mock(self)
}
pub fn client(&self) -> reqwest::Client {
reqwest::Client::new()
}
pub fn response(&self) -> http::response::Builder {
http::Response::builder()
}
pub fn on(&mut self, request: reqwest::Request) -> OnRequest {
OnRequest {
mock: self,
request,
}
}
fn _on(&mut self, request: reqwest::Request, response: reqwest::Response) {
self.plans.push(Plan { request, response })
}
pub(crate) async fn send(
&mut self,
request: reqwest::RequestBuilder,
) -> Result<reqwest::Response> {
let request = request.build()?;
let index = self.plans.iter().position(|plan| {
// TODO: add support or only matching on selected criteria
plan.request.method() == request.method()
&& plan.request.url() == request.url()
&& match (plan.request.body(), request.body()) {
(None, None) => true,
(Some(plan), Some(request)) => plan.as_bytes() == request.as_bytes(),
_ => false,
}
&& plan.request.headers() == request.headers()
});
match index {
Some(i) => Ok(self.plans.remove(i).response),
None => Err(Error::UnexpectedMockRequest(request)),
}
}
pub fn assert(&self) -> Result<()> {
todo!()
}
}
pub struct OnRequest<'mock> {
mock: &'mock mut MockNet,
request: reqwest::Request,
}
impl<'mock> OnRequest<'mock> {
pub fn response(self, response: reqwest::Response) {
self.mock._on(self.request, response)
}
}

View file

@ -2,21 +2,21 @@
//! //!
//! //!
mod mock;
mod system; mod system;
mod result; mod result;
pub use result::{Error, Result}; pub use result::{Error, Result};
pub use system::Net; pub use system::Net;
use system::{Mocked, Unmocked};
/// Creates a new `Net`. /// Creates a new `Net`.
pub const fn new() -> Net { pub const fn new() -> Net<Unmocked> {
Net::new() Net::<Unmocked>::new()
} }
/// Creates a new `MockNet` for use in tests. /// Creates a new `MockNet` for use in tests.
pub fn mock() -> mock::MockNet { pub fn mock() -> Net<Mocked> {
mock::MockNet::new() Net::<Mocked>::new()
} }

View file

@ -1,31 +1,93 @@
use std::marker::PhantomData;
// //
use super::{mock::MockNet, Error}; use super::{Error, Result};
pub struct Net { pub trait NetType {}
mock: Option<MockNet>,
}
impl Net {
pub(crate) const fn mock(mock: MockNet) -> Self {
Self { mock: Some(mock) }
}
pub struct Mocked;
impl NetType for Mocked {}
pub struct Unmocked;
impl NetType for Unmocked {}
type Plans = Vec<Plan>;
#[derive(Debug)]
pub struct Plan {
request: reqwest::Request,
response: reqwest::Response,
} }
impl Net { pub struct Net<T: NetType> {
_type: PhantomData<T>,
plans: Plans,
}
impl Net<Unmocked> {
pub(crate) const fn new() -> Self { pub(crate) const fn new() -> Self {
Self { mock: None } Self {
_type: PhantomData,
plans: vec![],
}
} }
pub async fn send(&mut self, request: reqwest::RequestBuilder) -> Result<reqwest::Response> {
request.send().await.map_err(Error::from)
}
}
impl<T: NetType> Net<T> {
pub fn client(&self) -> reqwest::Client { pub fn client(&self) -> reqwest::Client {
reqwest::Client::new() reqwest::Client::new()
} }
}
pub async fn send(&mut self, request: reqwest::RequestBuilder) -> Result<reqwest::Response, Error> { impl Net<Mocked> {
if let Some(mock) = &mut self.mock { pub(crate) const fn new() -> Self {
mock.send(request).await Self {
} else { _type: PhantomData,
request.send().await.map_err(Error::from) plans: vec![],
} }
} }
pub async fn send(&mut self, request: reqwest::RequestBuilder) -> Result<reqwest::Response> {
let request = request.build()?;
let index = self.plans.iter().position(|plan| {
// TODO: add support or only matching on selected criteria
plan.request.method() == request.method()
&& plan.request.url() == request.url()
&& match (plan.request.body(), request.body()) {
(None, None) => true,
(Some(plan), Some(request)) => plan.as_bytes() == request.as_bytes(),
_ => false,
}
&& plan.request.headers() == request.headers()
});
match index {
Some(i) => Ok(self.plans.remove(i).response),
None => Err(Error::UnexpectedMockRequest(request)),
}
}
pub fn response(&self) -> http::response::Builder {
http::Response::builder()
}
pub fn on(&mut self, request: reqwest::Request) -> OnRequest {
OnRequest { net: self, request }
}
fn _on(&mut self, request: reqwest::Request, response: reqwest::Response) {
self.plans.push(Plan { request, response })
}
pub fn assert(&self) -> Result<()> {
todo!()
}
}
pub struct OnRequest<'net> {
net: &'net mut Net<Mocked>,
request: reqwest::Request,
}
impl<'net> OnRequest<'net> {
pub fn response(self, response: reqwest::Response) {
self.net._on(self.request, response)
}
} }

View file

@ -8,15 +8,14 @@ mod get {
#[tokio::test] #[tokio::test]
async fn test() -> TestResult { async fn test() -> TestResult {
let mut net_mock = kxio::net::mock(); let mut net = kxio::net::mock();
let url = "https://www.example.com"; let url = "https://www.example.com";
let request = net_mock.client().get(url).build()?; let request = net.client().get(url).build()?;
let my_response = net_mock.response().status(200).body("OK").unwrap(); let my_response = net.response().status(200).body("OK").unwrap();
net_mock.on(request).response(my_response.clone().into()); net.on(request).response(my_response.clone().into());
let mut net = net_mock.into_net();
let client = net.client(); let client = net.client();
let response = net.send(client.get(url)).await?; let response = net.send(client.get(url)).await?;