Add observability using the tracing crate

tests/health_check.rs

@@ -1,6 +1,6 @@
 pub mod test_helper;
 
-#[actix_rt::test]
+#[tokio::test]
 async fn health_check_works() {
     let address = test_helper::spawn_app();
     let client = reqwest::Client::new();

tests/task.rs

@@ -3,14 +3,14 @@ pub mod test_helper;
 use contextswitch_api::taskwarrior;
 use contextswitch_types::Task;
 
-#[actix_rt::test]
+#[tokio::test]
 async fn list_tasks() {
     let task_data_path = test_helper::setup_tasks();
     let address = test_helper::spawn_app();
     let client = reqwest::Client::new();
     taskwarrior::add(vec!["test1", "contextswitch:'{\"test\": 1}'"]).unwrap();
 
-    let response = client
+    let response: reqwest::Response = client
         .get(&format!("{}/tasks?filter=ls", &address))
         .send()
         .await

tests/test_helper.rs

@@ -1,9 +1,18 @@
+use contextswitch_api::observability::{get_subscriber, init_subscriber};
 use contextswitch_api::taskwarrior;
 use mktemp::Temp;
+use once_cell::sync::Lazy;
 use std::fs;
 use std::net::TcpListener;
 
+static TRACING: Lazy<()> = Lazy::new(|| {
+    let subscriber = get_subscriber("info".to_string());
+    init_subscriber(subscriber);
+});
+
 pub fn spawn_app() -> String {
+    Lazy::force(&TRACING);
+
     let listener = TcpListener::bind("127.0.0.1:0").expect("Failed to bind random port");
     let port = listener.local_addr().unwrap().port();