start integration tests + add test for resource/command

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>

Rakefile

@@ -15,4 +15,40 @@ namespace :test do
       sh(Gem.ruby, '-w', '-Ilib:test', file)
     end or raise "Failures"
   end
+
+  task :integration do
+    require 'docker'
+    require 'yaml'
+
+    tests = Dir["test/resource/*.rb"]
+    return if tests.empty?
+
+    images = {}
+    Docker::Image.all.map do |img|
+      Array(img.info['RepoTags']).each do |tag|
+        images[tag] = img
+      end
+    end
+
+    conf = YAML.load(File::read '.tests.yaml')
+    conf['images'].each do |name|
+      dname = "docker-#{name}:latest"
+      image = images[dname]
+      raise "Can't find docker image #{dname}" if image.nil?
+
+      container = Docker::Container.create(
+        'Cmd' => [ '/bin/bash' ],
+        'Image' => image.id,
+        'OpenStdin' => true,
+      )
+      container.start
+
+      res = sh(Gem.ruby, '-I', 'lib', 'test/docker.rb', container.id, *tests)
+
+      container.kill
+      container.delete(force: true)
+      res
+    end.all? or raise "Failures"
+
+  end
 end

test/docker.rb

@@ -0,0 +1,12 @@
+require_relative '../lib/vulcano'
+docker_id = ARGV[0]
+raise 'You must provide a valid docker container ID' if docker_id.nil?
+tests = ARGV.drop(1)
+exit 0 if tests.empty?
+
+opts = { target: "docker://#{docker_id}" }
+runner = Vulcano::Runner.new(nil, opts)
+p "Create runner at #{opts}"
+
+runner.add_tests(tests)
+runner.run

test/resource/command.rb

@@ -0,0 +1,30 @@
+
+describe command('echo hello') do
+  its(:stdout) { should eq "hello\n" }
+  its(:stderr) { should eq "" }
+  its(:exit_status) { should eq 0 }
+end
+
+describe command('>&2 echo error') do
+  its(:stdout) { should eq "" }
+  its(:stderr) { should eq "error\n" }
+  its(:exit_status) { should eq 0 }
+end
+
+describe command('exit 123') do
+  its(:stdout) { should eq "" }
+  its(:stderr) { should eq "" }
+  its(:exit_status) { should eq 123 }
+end
+
+describe command('/bin/sh').exists? do
+  it { should eq true }
+end
+
+describe command('sh').exists? do
+  it { should eq true }
+end
+
+describe command('this is not existing').exists? do
+  it { should eq false }
+end