fix: return correct not found for disconnected client and fix tests

.gitignore

@@ -29,3 +29,5 @@ autopush_rs/target
 autopush_rs/_native*
 target
 *.rs.bk
+requirements.txt
+test-requirements.txt

.travis.yml

@@ -11,7 +11,10 @@ dist: trusty
 
 install:
 - make ddb
+- curl https://raw.githubusercontent.com/mozilla-services/autopush/master/requirements.txt > requirements.txt
+- curl https://raw.githubusercontent.com/mozilla-services/autopush/master/test-requirements.txt > test-requirements.txt
 - pip install --upgrade pip
+- pip install bottle
 - pip install -r requirements.txt
 - pip install -r test-requirements.txt
 - pip install -e git+https://github.com/mozilla-services/autopush.git#egg=autopush

src/http.rs

@@ -57,7 +57,7 @@ impl Service for Push {
                             Ok(hyper::Response::new().with_status(StatusCode::Ok))
                         } else {
                             Ok(hyper::Response::new()
-                                .with_status(StatusCode::BadGateway)
+                                .with_status(StatusCode::NotFound)
                                 .with_body("Client not available."))
                         }
                     } else {
@@ -71,7 +71,7 @@ impl Service for Push {
                 if srv.check_client_storage(uaid).is_ok() {
                     response.set_status(StatusCode::Ok)
                 } else {
-                    response.set_status(StatusCode::BadGateway);
+                    response.set_status(StatusCode::NotFound);
                     response.set_body("Client not available.");
                 }
             }