From b70193d9d0616fa296f302895f76f4453e95d950 Mon Sep 17 00:00:00 2001
From: Tyler Green <tgreen8091@gmail.com>
Date: Fri, 15 Sep 2023 15:23:27 -0400
Subject: [PATCH] Add use_dependencies feature flag

---
 example-app/Cargo.toml | 4 ++++
 example-app/README.md  | 4 ++++
 example-app/src/api.rs | 2 ++
 3 files changed, 10 insertions(+)

diff --git a/example-app/Cargo.toml b/example-app/Cargo.toml
index 5bda76e..a183bcb 100644
--- a/example-app/Cargo.toml
+++ b/example-app/Cargo.toml
@@ -14,9 +14,13 @@ serde_json = "1.0.103"
 tokio = { version = "1.29.1", features = ["macros", "rt-multi-thread"] }
 tower = "0.4.13"
 ureq = "2.7.1"
+mime = { version = "0.3.17", optional = true }
 
 [build-dependencies]
 prost-build = "0.12"
 
 [dev-dependencies]
 mockito = "1.1.0"
+
+[features]
+use_dependencies = ["mime"]
diff --git a/example-app/README.md b/example-app/README.md
index 18e12d8..cf078c2 100644
--- a/example-app/README.md
+++ b/example-app/README.md
@@ -28,6 +28,10 @@ axum::Server::bind(&address)
 cargo test
 cargo run
 ```
+These commands include a few (and hopefully growing number of) re-implemented library crates. I challenged myself to maintain the same interface and learn how these libraries work. To run with the original dependencies, this works.
+```
+cargo test --features "use_dependencies"
+```
 
 ## Sample Feed
 ```
diff --git a/example-app/src/api.rs b/example-app/src/api.rs
index 4fe9852..85c0d60 100644
--- a/example-app/src/api.rs
+++ b/example-app/src/api.rs
@@ -136,7 +136,9 @@ async fn list_handler(state: State<AppState>) -> impl IntoResponse {
 
 #[cfg(test)]
 mod api_tests {
+    #[cfg(not(feature = "use_dependencies"))]
     use crate::deps::mime;
+
     use crate::fetcher::Feed;
     use crate::scheduler_interface::{SchedulerInterface, TaskSender};
     use tulsa::AsyncTask;