Extract a test helper function

Author: carols10cents

src/bin/update-downloads.rs

@@ -252,6 +252,14 @@ mod test {
         assert_eq!(Ok(false), processed);
     }
 
+    fn version_find_first(conn: &PgConnection, id: i32) -> Version {
+        versions::table
+            .find(id)
+            .select(cargo_registry::models::version::ALL_COLUMNS)
+            .first::<Version>(conn)
+            .unwrap()
+    }
+
     #[test]
     fn increment_a_little() {
         use diesel::dsl::*;
@@ -286,21 +294,13 @@ mod test {
             .execute(&conn)
             .unwrap();
 
-        let version_before = versions::table
-            .find(version.id)
-            .select(cargo_registry::models::version::ALL_COLUMNS)
-            .first::<Version>(&conn)
-            .unwrap();
+        let version_before = version_find_first(&conn, version.id);
         let krate_before = Crate::all()
             .filter(crates::id.eq(krate.id))
             .first::<Crate>(&conn)
             .unwrap();
         crate::update(&conn).unwrap();
-        let version2 = versions::table
-            .find(version.id)
-            .select(cargo_registry::models::version::ALL_COLUMNS)
-            .first::<Version>(&conn)
-            .unwrap();
+        let version2 = version_find_first(&conn, version.id);
         assert_eq!(version2.downloads, 2);
         assert_eq!(version2.updated_at, version_before.updated_at);
         let krate2 = Crate::all()
@@ -311,11 +311,7 @@ mod test {
         assert_eq!(krate2.updated_at, krate_before.updated_at);
         crate_downloads!(&conn, krate.id, 1);
         crate::update(&conn).unwrap();
-        let version3 = versions::table
-            .find(version.id)
-            .select(cargo_registry::models::version::ALL_COLUMNS)
-            .first::<Version>(&conn)
-            .unwrap();
+        let version3 = version_find_first(&conn, version.id);
         assert_eq!(version3.downloads, 2);
     }