start adding tests for module support

Author: v0dro

spec/fixtures/module/module.rubex

@@ -0,0 +1,28 @@
+module Foo
+  class Bar
+    def initialize
+    end
+
+    def baz
+      return "hello world"
+    end
+  end
+end
+
+module Bar
+  def self.a
+    return "a"
+  end
+
+  def b
+    return "b"
+  end
+end
+
+module Outer
+  module Inner
+    def abc
+      return "abc"
+    end
+  end
+end

spec/module_spec.rb

@@ -0,0 +1,39 @@
+require 'spec_helper'
+
+describe Rubex do
+  test_case = "module"
+
+  context "Case: #{test_case}" do
+    before do
+      @path = path_str test_case
+    end
+
+    context ".ast" do
+      it "generates the AST" do
+        t = Rubex::Compiler.ast(@path + '.rubex')
+      end
+    end
+
+    context ".compile" do
+      it "compiles to valid C file" do
+        t,c,e = Rubex::Compiler.compile(@path + '.rubex', test: true)
+      end
+    end
+
+    context "Black Box testing" do
+      it "compiles and checks for valid output" do
+        setup_and_teardown_compiled_files(test_case) do |dir|
+          require_relative "#{dir}/#{test_case}.#{os_extension}"
+
+          expect(Foo::Bar.new.baz).to eq("hello world")
+
+          include Bar
+          expect(b).to eq("b")
+
+          include Outer::Inner
+          expect(abc).to eq("abc")
+        end
+      end
+    end
+  end
+end