From 2696283e35f4bd5c19553012a39fc3561bf05298 Mon Sep 17 00:00:00 2001
From: Philipp Tessenow <philipp@tessenow.org>
Date: Wed, 15 Jan 2020 12:45:34 +0100
Subject: [PATCH] experiment with the circle config

---
 .circleci/config.yml        | 43 +++++++++++++++++++++++++++++--------
 .gitignore                  |  1 -
 README.md                   |  1 +
 mix.exs                     |  4 ++--
 test/wasm_source/Cargo.lock |  5 +++++
 test/wasm_source/Cargo.toml | 10 +++++++++
 6 files changed, 52 insertions(+), 12 deletions(-)
 create mode 100644 test/wasm_source/Cargo.lock
 create mode 100644 test/wasm_source/Cargo.toml

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8ad63ab0..a7998ec9 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,23 +2,48 @@
 version: 2
 jobs:
   build:
+    parallelism: 1
     docker:
-      # specify the version here
       - image: circleci/elixir:1.9.1
+        environment:
+            MIX_ENV: test
 
     working_directory: ~/repo
     steps:
       - checkout
+
+      - restore_cache:
+          keys:
+            - v1-dependency-cache-{{ checksum "mix.lock" }}
+            - v1-dependency-cache
+
+      - run: mix local.hex --force  # install Hex locally (without prompt)
+      - run: mix local.rebar --force  # fetch a copy of rebar (without prompt)
       - run:
-          name: "Install Rust and WASM toolchain"
+          name: "Install Rust"
           command: |
-            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- --default-toolchain stable -y
+            source $HOME/.cargo/env
             rustup component add rustfmt
             rustup target add wasm32-unknown-unknown # to compile our example WASM files for testing
 
-      - run: mix deps.get
-      - run: mix test
-      - run: mix format --check-formatted
-      - run: cargo fmt --manifest-path native/wasmex/Cargo.toml  -- --check
-      - run: mix dialyzer
-      - run: mix docs
+      - run:
+          name: "Run Checks (Tests, Formatters, ..)"
+          command: |
+            source $HOME/.cargo/env
+            mix deps.get
+            mix test
+            mix format --check-formatted
+            cargo fmt --manifest-path native/wasmex/Cargo.toml  -- --check
+            mix dialyzer
+            mix docs
+
+      - save_cache:
+          key: v1-dependency-cache-{{ checksum "mix.lock" }}
+          paths:
+            - _build
+            - deps
+            - ~/.mix
+
+      - store_test_results:
+          path: _build/test/lib/wasmex
diff --git a/.gitignore b/.gitignore
index 3f18ac48..765e6f2c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,5 +23,4 @@ erl_crash.dump
 wasmex-*.tar
 
 # Cargo things in the Rust part of this package
-Cargo.*
 priv/native/libwasmex.so
diff --git a/README.md b/README.md
index 044b9fd2..89dd08b9 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@
   <a href="https://github.com/tessi/wasmex/blob/master/LICENSE">
     <img src="https://img.shields.io/github/license/wasmerio/wasmer.svg" alt="License">
   </a>
+  [![CircleCI](https://circleci.com/gh/tessi/wasmex.svg?style=svg)](https://circleci.com/gh/tessi/wasmex)
 </p>
 
 Wasmex is an Elixir library for executing WebAssembly binaries:
diff --git a/mix.exs b/mix.exs
index 26473db1..476646a3 100644
--- a/mix.exs
+++ b/mix.exs
@@ -31,8 +31,8 @@ defmodule Wasmex.MixProject do
   defp deps do
     [
       {:rustler, "~> 0.21.0"},
-      {:ex_doc, "~> 0.21.2", only: :dev},
-      {:dialyxir, "~> 1.0.0-rc.7", only: [:dev], runtime: false}
+      {:ex_doc, "~> 0.21.2", only: [:dev, :test]},
+      {:dialyxir, "~> 1.0.0-rc.7", only: [:dev, :test], runtime: false}
     ]
   end
 
diff --git a/test/wasm_source/Cargo.lock b/test/wasm_source/Cargo.lock
new file mode 100644
index 00000000..417f9c93
--- /dev/null
+++ b/test/wasm_source/Cargo.lock
@@ -0,0 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "wasmex_test"
+version = "0.1.0"
diff --git a/test/wasm_source/Cargo.toml b/test/wasm_source/Cargo.toml
new file mode 100644
index 00000000..df2b3614
--- /dev/null
+++ b/test/wasm_source/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "wasmex_test"
+version = "0.1.0"
+authors = ["Philipp Tessenow <philipp@tessenow.org>"]
+edition = "2018"
+
+[dependencies]
+
+[lib]
+crate-type =["cdylib"]