Merge pull request #74 from otobus/mustafaturan/update_travis_scripts

Update travis script
Allow nil value type on optional attributes of Event struct

.travis.yml

@@ -9,3 +9,10 @@ matrix:
   include:
     - elixir: 1.7
       otp_release: 21.0
+env:
+  - MIX_ENV=test
+script:
+  - mix dialyzer
+  - mix coveralls.travis
+  - mix credo --strict
+  - mix test

CHANGELOG.md

@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [1.6.X]
 - Update type names and docs for consistent naming convention (Note: there is no logic or method name change)
+- Update the Travis script to prevent breaks on merges:
+- - Include dialyzer warnings
+- - Include coverage
+- - Include credo checks
+- Update `EventBus.Model.Event` struct optional attribute type specs to allow `nil` values
 
 ## [1.5.X]
 - Fix Elixir `v1.7.x` warnings for string to atom conversions

lib/event_bus/models/event.ex

@@ -30,13 +30,13 @@ defmodule EventBus.Model.Event do
   """
   @type t :: %__MODULE__{
           id: String.t() | integer(),
-          transaction_id: String.t() | integer(),
+          transaction_id: String.t() | integer() | nil,
           topic: atom(),
           data: any(),
-          initialized_at: integer(),
-          occurred_at: integer(),
-          source: String.t(),
-          ttl: integer()
+          initialized_at: integer() | nil,
+          occurred_at: integer() | nil,
+          source: String.t() | nil,
+          ttl: integer() | nil
         }
 
   @doc """

mix.exs

@@ -46,7 +46,7 @@ defmodule EventBus.Mixfile do
   defp deps do
     [
       {:credo, "~> 0.10", only: [:dev, :test]},
-      {:dialyxir, "~> 1.0.0-rc.3", only: [:dev], runtime: false},
+      {:dialyxir, "~> 1.0.0-rc.3", only: [:dev, :test], runtime: false},
       {:excoveralls, "~> 0.10", only: [:test]},
       {:ex_doc, "~> 0.19", only: [:dev]}
     ]