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|
use std::future;
use axum::extract::{Json, State};
use futures::stream::StreamExt as _;
use super::post;
use crate::{
channel::app,
name::Name,
test::fixtures::{self, future::Immediately as _},
};
#[tokio::test]
async fn new_channel() {
// Set up the environment
let app = fixtures::scratch_app().await;
let creator = fixtures::identity::create(&app, &fixtures::now()).await;
// Call the endpoint
let name = fixtures::channel::propose();
let request = post::Request { name: name.clone() };
let post::Response(response) =
post::handler(State(app.clone()), creator, fixtures::now(), Json(request))
.await
.expect("creating a channel in an empty app succeeds");
// Verify the structure of the response
assert_eq!(name, response.name);
// Verify the semantics
let snapshot = app.boot().snapshot().await.expect("boot always succeeds");
assert!(snapshot.channels.iter().any(|channel| channel == &response));
let channel = app
.channels()
.get(&response.id)
.await
.expect("searching for channels by ID never fails")
.expect("the newly-created channel exists");
assert_eq!(response, channel);
let mut events = app
.events()
.subscribe(None)
.await
.expect("subscribing never fails")
.filter_map(fixtures::channel::events)
.filter_map(fixtures::channel::created)
.filter(|event| future::ready(event.channel == response));
let event = events
.next()
.immediately()
.await
.expect("creation event published");
assert_eq!(event.channel, response);
}
#[tokio::test]
async fn duplicate_name() {
// Set up the environment
let app = fixtures::scratch_app().await;
let creator = fixtures::identity::create(&app, &fixtures::now()).await;
let channel = fixtures::channel::create(&app, &fixtures::now()).await;
// Call the endpoint
let request = post::Request {
name: channel.name.clone(),
};
let post::Error(error) =
post::handler(State(app.clone()), creator, fixtures::now(), Json(request))
.await
.expect_err("duplicate channel name should fail the request");
// Verify the structure of the response
assert!(matches!(
error,
app::CreateError::DuplicateName(name) if channel.name == name
));
}
#[tokio::test]
async fn conflicting_canonical_name() {
// Set up the environment
let app = fixtures::scratch_app().await;
let creator = fixtures::identity::create(&app, &fixtures::now()).await;
let existing_name = Name::from("rijksmuseum");
app.channels()
.create(&existing_name, &fixtures::now())
.await
.expect("creating a channel in an empty environment succeeds");
let conflicting_name = Name::from("r\u{0133}ksmuseum");
// Call the endpoint
let request = post::Request {
name: conflicting_name.clone(),
};
let post::Error(error) =
post::handler(State(app.clone()), creator, fixtures::now(), Json(request))
.await
.expect_err("duplicate channel name should fail the request");
// Verify the structure of the response
assert!(matches!(
error,
app::CreateError::DuplicateName(name) if conflicting_name == name
));
}
#[tokio::test]
async fn name_reusable_after_delete() {
// Set up the environment
let app = fixtures::scratch_app().await;
let creator = fixtures::identity::create(&app, &fixtures::now()).await;
let name = fixtures::channel::propose();
// Call the endpoint (first time)
let request = post::Request { name: name.clone() };
let post::Response(response) = post::handler(
State(app.clone()),
creator.clone(),
fixtures::now(),
Json(request),
)
.await
.expect("new channel in an empty app");
// Delete the channel
app.channels()
.delete(&response.id, &fixtures::now())
.await
.expect("deleting a newly-created channel succeeds");
// Call the endpoint (second time)
let request = post::Request { name: name.clone() };
let post::Response(response) =
post::handler(State(app.clone()), creator, fixtures::now(), Json(request))
.await
.expect("creation succeeds after original channel deleted");
// Verify the structure of the response
assert_eq!(name, response.name);
// Verify the semantics
let channel = app
.channels()
.get(&response.id)
.await
.expect("searching for channels by ID never fails")
.expect("the newly-created channel exists");
assert_eq!(response, channel);
}
#[tokio::test]
async fn name_reusable_after_expiry() {
// Set up the environment
let app = fixtures::scratch_app().await;
let creator = fixtures::identity::create(&app, &fixtures::ancient()).await;
let name = fixtures::channel::propose();
// Call the endpoint (first time)
let request = post::Request { name: name.clone() };
let post::Response(_) = post::handler(
State(app.clone()),
creator.clone(),
fixtures::ancient(),
Json(request),
)
.await
.expect("new channel in an empty app");
// Delete the channel
app.channels()
.expire(&fixtures::now())
.await
.expect("expiry always succeeds");
// Call the endpoint (second time)
let request = post::Request { name: name.clone() };
let post::Response(response) =
post::handler(State(app.clone()), creator, fixtures::now(), Json(request))
.await
.expect("creation succeeds after original channel expired");
// Verify the structure of the response
assert_eq!(name, response.name);
// Verify the semantics
let channel = app
.channels()
.get(&response.id)
.await
.expect("searching for channels by ID never fails")
.expect("the newly-created channel exists");
assert_eq!(response, channel);
}
|
