Add controller stub and circle CI configuration

.circleci/config.yml

@@ -32,6 +32,24 @@ jobs:
           command: |
             . venv/bin/activate
             ./scripts/test.sh
+
+  tests_rust:
+    docker:
+      - image: circleci/rust:1.3.7
+    steps:
+      - checkout
+
+      - run:
+          name: install dependencies
+          command: |
+              rustup install nightly
+              rustup default nightly
+
+      - run:
+          name: run tests
+          command: |
+            ./scripts/test_rust.sh
+
   tests_slow:
     docker:
       - image: circleci/python:3.7
@@ -99,3 +117,4 @@ workflows:
       - tests
       - tests_slow
       - tests_benchmark
+      - tests_rust

controller/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "controller"
+version = "0.1.0"
+authors = ["The XAIN developers"]
+edition = "2018"
+
+[dependencies]
+async-std = "^0.99"

controller/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}

scripts/test_rust.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+set -e
+
+cd controller
+cargo test