Add autoloadability via Bundler.require (#137)

Author: tonyta

lib/launchdarkly-server-sdk.rb

@@ -0,0 +1 @@
+require_relative "ldclient-rb"

spec/launchdarkly-server-sdk_spec.rb

@@ -0,0 +1,13 @@
+require "spec_helper"
+require "bundler"
+
+describe LaunchDarkly do
+  it "can be automatically loaded by Bundler.require" do
+    ldclient_loaded =
+      Bundler.with_clean_env do
+        Kernel.system("ruby", "./spec/launchdarkly-server-sdk_spec_autoloadtest.rb")
+      end
+
+    expect(ldclient_loaded).to be true
+  end
+end

spec/launchdarkly-server-sdk_spec_autoloadtest.rb

@@ -0,0 +1,9 @@
+require "bundler/setup"
+require "bundler/inline"
+
+gemfile do
+  gem "launchdarkly-server-sdk", path: "."
+end
+
+Bundler.require(:development)
+abort unless $LOADED_FEATURES.any? { |file| file =~ /ldclient-rb\.rb/ }