feat: testing, credo and dialyzer

.github/workflows/test.yml

@@ -0,0 +1,43 @@
+name: CI
+on:
+  push:
+    branches-ignore:
+      - main
+
+env:
+  MIX_ENV: test
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Elixir
+        uses: erlef/setup-beam@v1
+        with:
+          elixir-version: "1.18"
+          otp-version: "27"
+
+      - name: Cache deps
+        uses: actions/cache@v4
+        with:
+          path: deps
+          key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
+          restore-keys: ${{ runner.os }}-mix-
+
+      - name: Cache build
+        uses: actions/cache@v4
+        with:
+          path: _build
+          key: ${{ runner.os }}-build-${{ hashFiles('**/mix.lock') }}
+          restore-keys: ${{ runner.os }}-build-
+
+      - name: Install dependencies
+        run: mix deps.get
+
+      - name: Run credo and dialyzer
+        run: mix check
+      - name: Run tests
+        run: mix test

mix.exs

@@ -9,10 +9,17 @@ defmodule App.MixProject do
       elixir: "~> 1.18",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
+      aliases: aliases(),
       escript: [main_module: Server]
     ]
   end
 
+  defp aliases do
+    [
+      check: ["format --check-formatted", "credo --strict", "dialyzer", "test"]
+    ]
+  end
+
   # Run "mix help compile.app" to learn about applications.
   def application do
     [
@@ -24,8 +31,8 @@ defmodule App.MixProject do
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [
-      # {:dep_from_hexpm, "~> 0.3.0"},
-      # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"}
+      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
+      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false}
     ]
   end
 end

mix.lock

@@ -0,0 +1,8 @@
+%{
+  "bunt": {:hex, :bunt, "1.0.0", "081c2c665f086849e6d57900292b3a161727ab40431219529f13c4ddcf3e7a44", [:mix], [], "hexpm", "dc5f86aa08a5f6fa6b8096f0735c4e76d54ae5c9fa2c143e5a1fc7c1cd9bb6b5"},
+  "credo": {:hex, :credo, "1.7.18", "5c5596bf7aedf9c8c227f13272ac499fe8eae6237bd326f2f07dfc173786f042", [:mix], [{:bunt, "~> 0.2.1 or ~> 1.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "a189d164685fd945809e862fe76a7420c4398fa288d76257662aecb909d6b3e5"},
+  "dialyxir": {:hex, :dialyxir, "1.4.7", "dda948fcee52962e4b6c5b4b16b2d8fa7d50d8645bbae8b8685c3f9ecb7f5f4d", [:mix], [{:erlex, ">= 0.2.8", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "b34527202e6eb8cee198efec110996c25c5898f43a4094df157f8d28f27d9efe"},
+  "erlex": {:hex, :erlex, "0.2.8", "cd8116f20f3c0afe376d1e8d1f0ae2452337729f68be016ea544a72f767d9c12", [:mix], [], "hexpm", "9d66ff9fedf69e49dc3fd12831e12a8a37b76f8651dd21cd45fcf5561a8a7590"},
+  "file_system": {:hex, :file_system, "1.1.1", "31864f4685b0148f25bd3fbef2b1228457c0c89024ad67f7a81a3ffbc0bbad3a", [:mix], [], "hexpm", "7a15ff97dfe526aeefb090a7a9d3d03aa907e100e262a0f8f7746b78f8f87a5d"},
+  "jason": {:hex, :jason, "1.4.4", "b9226785a9aa77b6857ca22832cffa5d5011a667207eb2a0ad56adb5db443b8a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "c5eb0cab91f094599f94d55bc63409236a8ec69a21a67814529e8d5f6cc90b3b"},
+}