don't load .env.local in rails' test environment

Changelog.md

@@ -2,10 +2,17 @@
 
 [Unreleased changes](https://github.com/bkeepers/dotenv/compare/v2.1.2...master)
 
+## Unreleased
+
+* [dotenv-rails] Allow to have a local file per environment, e.g. `.env.development.local` ([281](https://github.com/bkeepers/dotenv/pull/281))
+* [dotenv-rails] No longer load `.env.local` in rails' test environment ([#280](https://github.com/bkeepers/dotenv/pull/280))
+
+[Full Changelog](https://github.com/bkeepers/dotenv/compare/v2.1.1...v2.1.2)
+
 ## 2.1.2
 
 * Fix parser to allow leading whitespace before variables ([#276](https://github.com/bkeepers/dotenv/pull/276))
-* Fix bug with `require "dotenv/rails-now"` in older versions of rails ([#269](https://github.com/bkeepers/dotenv/pull/269))
+* [dotenv-rails] Fix bug with `require "dotenv/rails-now"` in older versions of rails ([#269](https://github.com/bkeepers/dotenv/pull/269))
 
 [Full Changelog](https://github.com/bkeepers/dotenv/compare/v2.1.1...v2.1.2)
 

lib/dotenv/rails.rb

@@ -35,12 +35,7 @@ class Railtie < Rails::Railtie
     # This will get called during the `before_configuration` callback, but you
     # can manually call `Dotenv::Railtie.load` if you needed it sooner.
     def load
-      Dotenv.load(
-        root.join(".env.#{Rails.env}.local"),
-        root.join(".env.local"),
-        root.join(".env.#{Rails.env}"),
-        root.join(".env")
-      )
+      Dotenv.load(*dotenv_files)
     end
 
     # Internal: `Rails.root` is nil in Rails 4.1 before the application is
@@ -57,5 +52,16 @@ def self.load
     end
 
     config.before_configuration { load }
+
+    private
+
+    def dotenv_files
+      [
+        root.join(".env.#{Rails.env}.local"),
+        (root.join(".env.local") unless Rails.env.test?),
+        root.join(".env.#{Rails.env}"),
+        root.join(".env")
+      ].compact
+    end
   end
 end

spec/dotenv/rails_spec.rb

@@ -1,5 +1,4 @@
 require "spec_helper"
-ENV["RAILS_ENV"] = "test"
 require "rails"
 require "dotenv/rails"
 
@@ -18,6 +17,7 @@ def add(*items)
   end
 
   before do
+    Rails.env = "test"
     allow(Rails).to receive(:root)
       .and_return Pathname.new(File.expand_path("../../fixtures", __FILE__))
     Rails.application = double(:application)
@@ -50,19 +50,30 @@ def add(*items)
       expect(Spring.watcher.items).to include(path)
     end
 
-    it "loads .env, .env.local, and .env.#{Rails.env}" do
-      expect(Spring.watcher.items).to eql(
+    it "does not load .env.local in test rails environment" do
+      expect(Dotenv::Railtie.instance.send(:dotenv_files)).to eql(
         [
-          Rails.root.join(".env.test.local").to_s,
-          Rails.root.join(".env.local").to_s,
-          Rails.root.join(".env.test").to_s,
-          Rails.root.join(".env").to_s
+          Rails.root.join(".env.test.local"),
+          Rails.root.join(".env.test"),
+          Rails.root.join(".env")
         ]
       )
     end
 
-    it "loads .env.local before .env" do
-      expect(ENV["DOTENV"]).to eql("local")
+    it "does load .env.local in development environment" do
+      Rails.env = "development"
+      expect(Dotenv::Railtie.instance.send(:dotenv_files)).to eql(
+        [
+          Rails.root.join(".env.development.local"),
+          Rails.root.join(".env.local"),
+          Rails.root.join(".env.development"),
+          Rails.root.join(".env")
+        ]
+      )
+    end
+
+    it "loads .env.test before .env" do
+      expect(ENV["DOTENV"]).to eql("test")
     end
 
     context "when Rails.root is nil" do

spec/fixtures/.env.development

@@ -0,0 +1,2 @@
+FROM_RAILS_ENV=.env.development
+DOTENV=dev

spec/fixtures/.env.test.local → spec/fixtures/.env.development.local

@@ -1,3 +1,3 @@
 FROM_RAILS_ENV=.env.test
 FROM_LOCAL=true
-DOTENV=local
+DOTENV=development-local

spec/fixtures/.env.test

@@ -1 +1,2 @@
 FROM_RAILS_ENV=.env.test
+DOTENV=test