チャンネル取得機能のテストの実装

backend/Cargo.toml

@@ -15,4 +15,5 @@ sea-orm = { version = "0.12", features = [
   "sqlx-postgres",
   "runtime-tokio-native-tls",
   "macros",
+  "mock"
 ] }

backend/src/models.rs

@@ -1 +1,2 @@
+pub mod channel;
 pub mod test;

backend/src/models/channel.rs

@@ -0,0 +1,17 @@
+use async_graphql::SimpleObject;
+
+#[derive(SimpleObject, Debug, PartialEq, Eq)]
+pub struct Channel {
+    pub id: String,
+    pub name: String,
+    // User型を実装したら書き換える
+    pub owner: String,
+    pub description: Option<String>,
+    pub created_at: String,
+    pub archived: bool,
+    pub private: bool,
+    // User型を実装したら書き換える
+    pub users: Vec<String>,
+    // message型を実装したら書き換える
+    pub messages: Vec<String>,
+}

backend/src/usecase.rs

@@ -1 +1,2 @@
+pub mod channel;
 pub mod test;

backend/src/usecase/channel.rs

@@ -0,0 +1,60 @@
+use crate::context::Context;
+use crate::generate::entities::channel::Model;
+use crate::models::channel::Channel;
+
+pub async fn get_all_channel(_ctx: &Context) -> Result<Vec<Channel>, ()> {
+    todo!("generate::entities::channel::Model to models::channel::Channel")
+}
+
+#[cfg(test)]
+mod test {
+    use super::get_all_channel;
+    use crate::context::Context;
+    use crate::generate::entities::channel;
+    use crate::models::channel::Channel;
+    use sea_orm::prelude::*;
+    use sea_orm::MockDatabase;
+
+    #[tokio::test]
+    async fn すべてのチャンネルを取得する() {
+        // Arrange
+        let db: DatabaseConnection = MockDatabase::new(sea_orm::DatabaseBackend::Postgres)
+            .append_query_results([vec![channel::Model {
+                id: "0".to_string(),
+                channel_name: "hoge".to_string(),
+                description: Some("huga".to_string()),
+                is_private: false,
+                created_user_id: "0".to_string(),
+                created_at: DateTime::parse_from_str("2024-08-08 00:00:00", "%Y-%m-%d %H:%M:%S")
+                    .unwrap(),
+                updated_at: None,
+                archive_at: None,
+                deleted_at: None,
+            }]])
+            .into_connection();
+
+        let context = Context {
+            env: "harukun".to_string(),
+            db,
+        };
+
+        // Action
+        let result = get_all_channel(&context).await.unwrap();
+
+        // Assert
+        assert_eq!(
+            result,
+            vec![Channel {
+                id: "0".to_string(),
+                name: "hoge".to_string(),
+                owner: "0".to_string(),
+                description: Some("huga".to_string()),
+                created_at: "2024-08-08 00:00:00".to_string(),
+                archived: false,
+                private: false,
+                users: vec!["eraser".to_string(), "yuorei".to_string()],
+                messages: vec!["welcome".to_string(), "zoo".to_string()]
+            }],
+        )
+    }
+}