From 4152cfd1ea6b2591e4aed5c89279b7f865c37a9a Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Sun, 30 Jun 2013 15:23:00 -0400
Subject: [PATCH] create rspec environment for build tests

---
 .gitignore                  |  1 +
 .rspec                      |  2 ++
 Rakefile                    | 10 ++++++++++
 build_tests/simple/build.rb |  3 +++
 build_tests/simple/simple.c |  6 ++++++
 rscons.gemspec              |  9 +++++++++
 spec/build_tests_spec.rb    | 30 ++++++++++++++++++++++++++++++
 7 files changed, 61 insertions(+)
 create mode 100644 .rspec
 create mode 100644 build_tests/simple/build.rb
 create mode 100644 build_tests/simple/simple.c
 create mode 100644 spec/build_tests_spec.rb

diff --git a/.gitignore b/.gitignore
index d87d4be..27bdad0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@ spec/reports
 test/tmp
 test/version_tmp
 tmp
+build_tests_run
diff --git a/.rspec b/.rspec
new file mode 100644
index 0000000..83e16f8
--- /dev/null
+++ b/.rspec
@@ -0,0 +1,2 @@
+--color
+--require spec_helper
diff --git a/Rakefile b/Rakefile
index b7e9ed5..6e909d5 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,5 +1,15 @@
+require "bundler"
+begin
+  Bundler.setup(:default, :development)
+rescue Bundler::BundlerError => e
+  raise LoadError.new("Unable to setup Bundler; you might need to `bundle install`: #{e.message}")
+end
+
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
+require "rake/clean"
+
+CLEAN.include 'build_tests_run'
 
 RSpec::Core::RakeTask.new(:spec)
 
diff --git a/build_tests/simple/build.rb b/build_tests/simple/build.rb
new file mode 100644
index 0000000..9775f9a
--- /dev/null
+++ b/build_tests/simple/build.rb
@@ -0,0 +1,3 @@
+Rscons::Environment.new do |env|
+  env.Program('simple', Dir['*.c'])
+end
diff --git a/build_tests/simple/simple.c b/build_tests/simple/simple.c
new file mode 100644
index 0000000..ee61f1f
--- /dev/null
+++ b/build_tests/simple/simple.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+    printf("This is a simple C program\n");
+}
diff --git a/rscons.gemspec b/rscons.gemspec
index bd3f95a..5a82548 100644
--- a/rscons.gemspec
+++ b/rscons.gemspec
@@ -16,4 +16,13 @@ Gem::Specification.new do |gem|
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
+
+  gem.add_development_dependency "rspec-core"
+  gem.add_development_dependency "rspec-mocks"
+  gem.add_development_dependency "rspec-expectations"
+  gem.add_development_dependency "rspec"
+  gem.add_development_dependency "rake"
+  gem.add_development_dependency "simplecov"
+  gem.add_development_dependency "json"
+  gem.add_development_dependency 'rdoc'
 end
diff --git a/spec/build_tests_spec.rb b/spec/build_tests_spec.rb
new file mode 100644
index 0000000..e23973d
--- /dev/null
+++ b/spec/build_tests_spec.rb
@@ -0,0 +1,30 @@
+require 'fileutils'
+
+describe Rscons do
+  before(:all) do
+    FileUtils.rm_rf('build_tests_run')
+    FileUtils.cp_r('build_tests', 'build_tests_run')
+    @owd = Dir.pwd
+  end
+
+  after(:each) do
+    Dir.chdir(@owd)
+  end
+
+  def test_dir(build_test_directory)
+    Dir.chdir("build_tests_run/#{build_test_directory}")
+    if File.exists?('build.rb')
+      system('ruby build.rb')
+    end
+  end
+
+  ###########################################################################
+  # Tests
+  ###########################################################################
+
+  it 'builds a C program with one source file' do
+    test_dir('simple')
+    File.exists?('simple.o').should be_true
+    `./simple`.should == "This is a simple C program\n"
+  end
+end