From e5f72711c5a17c5db24e209b14f82d426eceb86e Mon Sep 17 00:00:00 2001
From: Owen Jacobson <owen@grimoire.ca>
Date: Thu, 19 Sep 2024 01:25:31 -0400
Subject: Write tests.

---
 src/channel/routes/test/on_create.rs | 58 ++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/channel/routes/test/on_create.rs

(limited to 'src/channel/routes/test/on_create.rs')

diff --git a/src/channel/routes/test/on_create.rs b/src/channel/routes/test/on_create.rs
new file mode 100644
index 0000000..df23deb
--- /dev/null
+++ b/src/channel/routes/test/on_create.rs
@@ -0,0 +1,58 @@
+use axum::extract::{Json, State};
+
+use crate::{
+    channel::{app, routes},
+    test::fixtures,
+};
+
+#[tokio::test]
+async fn new_channel() {
+    // Set up the environment
+
+    let app = fixtures::scratch_app().await;
+    let creator = fixtures::login::create(&app).await;
+
+    // Call the endpoint
+
+    let name = fixtures::channel::propose();
+    let request = routes::CreateRequest { name };
+    let Json(response_channel) =
+        routes::on_create(State(app.clone()), creator, Json(request.clone()))
+            .await
+            .expect("new channel in an empty app");
+
+    // Verify the structure of the response
+
+    assert_eq!(request.name, response_channel.name);
+
+    // Verify the semantics
+
+    let channels = app.channels().all().await.expect("always succeeds");
+
+    assert!(channels.contains(&response_channel));
+}
+
+#[tokio::test]
+async fn duplicate_name() {
+    // Set up the environment
+
+    let app = fixtures::scratch_app().await;
+    let creator = fixtures::login::create(&app).await;
+    let channel = fixtures::channel::create(&app).await;
+
+    // Call the endpoint
+
+    let request = routes::CreateRequest { name: channel.name };
+    let routes::CreateError(error) =
+        routes::on_create(State(app.clone()), creator, Json(request.clone()))
+            .await
+            .expect_err("duplicate channel name");
+
+    // Verify the structure of the response
+
+    fixtures::error::expected!(
+        error,
+        app::CreateError::DuplicateName(name),
+        assert_eq!(request.name, name),
+    );
+}
-- 
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