Add CI and publish workflows

.github/workflows/ci.yml

@@ -0,0 +1,53 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+  workflow_call:
+  workflow_dispatch:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v7
+      - uses: CargoSense/setup-elixir-project@v1
+        with:
+          elixir-version: "1.19"
+          otp-version: 28
+      - run: mix format --check-formatted
+      - run: mix deps.unlock --check-unused
+        if: ${{ !cancelled() }}
+      - run: mix credo
+        if: ${{ !cancelled() }}
+  test:
+    runs-on: ubuntu-latest
+    env:
+      MIX_ENV: test
+    strategy:
+      fail-fast: false
+      matrix:
+        otp: [29, 28, 27, 26, 25]
+        elixir: ["1.20", "1.19", "1.18"]
+        exclude:
+          - otp: 26
+            elixir: "1.20"
+          - otp: 25
+            elixir: "1.20"
+          - otp: 29
+            elixir: "1.19"
+          - otp: 25
+            elixir: "1.19"
+          - otp: 29
+            elixir: "1.18"
+          - otp: 28
+            elixir: "1.18"
+    steps:
+      - uses: actions/checkout@v7
+      - uses: CargoSense/setup-elixir-project@v1
+        with:
+          build-flags: --no-optional-deps --warnings-as-errors
+          elixir-version: ${{ matrix.elixir }}
+          otp-version: ${{ matrix.otp }}
+      - run: mix test

.github/workflows/publish.yml

@@ -0,0 +1,18 @@
+name: Publish
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  ci:
+    name: CI
+    uses: ./.github/workflows/ci.yml
+  publish:
+    name: Publish to Hex
+    needs: ci
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v7
+      - uses: CargoSense/setup-elixir-project@v1
+      - run: mix hex.publish --yes

lib/fable/process_manager.ex

@@ -155,7 +155,7 @@ defmodule Fable.ProcessManager do
     end)
   end
 
-  defp handle_run_event(event, state) do
+  defp handle_run_event(event, %__MODULE__{} = state) do
     case run_handler(state, event) do
       {:ok, data} ->
         state.handler

test/events_test.exs

@@ -9,15 +9,15 @@ defmodule Fable.EventsTest do
   end
 
   describe "emit/2" do
-    test "returns a zero arity callback with an schema as first argument" do
+    test "returns a callback taking a repo when given a schema" do
       aggregate = %Aggregate{id: Ecto.UUID.generate()}
 
       fun =
         Events.emit(aggregate, fn _aggregate, _repo, _changes ->
           %Aggregate.Created{}
         end)
 
-      assert is_function(fun, 0)
+      assert is_function(fun, 1)
     end
   end