Provide better matching for YAML/JSON files

Instead of the strict matching of `.yaml`, `.yml`, or `.json`
extensions, from now and on we check if those parts are present
in any part of the filename. The following cases are recognized
as formatted: `data.YAML`, `data.yml.erb`, `data.JSON.erb` etc.

CHANGELOG.md

@@ -5,6 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## WIP
+
+### Added
+
+- Better matching of YAML/JSON files (nepalez)
+
+  The loader recognizes complex extensions like `data.yml.erb`
+  or `data.json.erb`, as well as `data.YAML` in upper register.
+
 ## [0.0.5] - [2018-06-04]
 
 ### Added

lib/fixturama.rb

@@ -28,11 +28,11 @@ def seed_fixture(path, **opts)
   end
 
   def load_fixture(path, **opts)
-    extname = Pathname.new(path).extname
+    basename = Pathname.new(path).basename.to_s
 
     read_fixture(path, **opts).tap do |content|
-      return YAML.load(content)  if %w[.yaml .yml].include?(extname)
-      return JSON.parse(content) if extname == ".json"
+      return YAML.load(content)  if basename[YAML]
+      return JSON.parse(content) if basename[JSON]
     end
   end
 
@@ -49,4 +49,8 @@ def read_fixture(path, **opts)
   def fixturama_stubs
     @fixturama_stubs ||= Stubs.new
   end
+
+  # Matchers for YAML/YML/JSON in file extension like "data.yml.erb" etc.
+  YAML = /.+\.ya?ml(\.|\z)/i.freeze
+  JSON = /.+\.json(\.|\z)/i.freeze
 end