test: add test harness with http and router tests

test/test_inflector.rb

@@ -0,0 +1,37 @@
+require 'minitest/autorun'
+require 'prism'
+
+class InflectorTest < Minitest::Test
+  include Prism::Inflector
+
+  def test_underscore
+    assert_equal 'posts_controller', underscore('PostsController')
+    assert_equal 'html_parser', underscore('HTMLParser')
+  end
+
+  def test_camelize
+    assert_equal 'PostsController', camelize('posts_controller')
+  end
+
+  def test_pluralize
+    assert_equal 'posts', pluralize('post')
+    assert_equal 'categories', pluralize('category')
+    assert_equal 'boxes', pluralize('box')
+    assert_equal 'leaves', pluralize('leaf')
+  end
+
+  def test_singularize
+    assert_equal 'category', singularize('categories')
+    assert_equal 'post', singularize('posts')
+    assert_equal 'box', singularize('boxes')
+  end
+
+  def test_tableize
+    assert_equal 'categories', tableize('Category')
+    assert_equal 'posts', tableize('Post')
+  end
+
+  def test_classify
+    assert_equal 'Category', classify('categories')
+  end
+end