Reorganize build tests structure

Rakefile

@@ -1,6 +1,8 @@
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
 
-RSpec::Core::RakeTask.new(:spec)
+RSpec::Core::RakeTask.new(:spec) do |t|
+  t.fail_on_error = false
+end
 
 task :default => :spec

build_tests/c-simple/spec.rb

@@ -1,6 +0,0 @@
-it 'builds a C program with one source file' do
-  env = Rscons::Environment.new
-  env.Program('simple', 'simple.c')
-  File.exist?('simple.o').should be_true
-  `./simple`.should =~ /This is a simple C program/
-end

spec/build_tests_spec.rb

@@ -1,21 +1,34 @@
 require 'fileutils'
 
 describe Rscons do
-  FileUtils.rm_rf('build_tests/test')
-  test_dirs = Dir['build_tests/*/']
-  test_dirs.each do |build_test_rel_path|
-    context build_test_rel_path do
-      before do
-        FileUtils.cp_r(build_test_rel_path, 'build_tests/test')
-        @owd = Dir.pwd
-        Dir.chdir('build_tests/test')
-        $stdout.stub(:puts) { nil }
-      end
-      instance_eval(File.read(File.join(build_test_rel_path, 'spec.rb')))
-      after do
-        Dir.chdir(@owd)
-        FileUtils.rm_rf('build_tests/test')
-      end
+  FileUtils.rm_rf('build_test')
+
+  def setup_testdir(files, &blk)
+    FileUtils.mkdir_p('build_test')
+    files.each do |fname|
+      src = "spec/build_items/#{fname}"
+      dst = "build_test/#{fname}"
+      FileUtils.mkdir_p(File.dirname(dst))
+      FileUtils.cp_r(src, dst)
+    end
+    Dir.chdir('build_test', &blk)
+    FileUtils.rm_rf('build_test')
+  end
+
+  before do
+    $stdout.stub(:puts) { nil }
+  end
+
+  ###########################################################################
+  # Build Tests
+  ###########################################################################
+
+  it 'builds a C program with one source file' do
+    setup_testdir(['simple.c']) do
+      env = Rscons::Environment.new
+      env.Program('simple', 'simple.c')
+      File.exist?('simple.o').should be_true
+      `./simple`.should =~ /This is a simple C program/
     end
   end
 end