add export specs

spec/foreman/export/upstart_spec.rb

@@ -1,2 +1,21 @@
 require "spec_helper"
 require "foreman/export/upstart"
+
+describe Foreman::Export::Upstart do
+  let(:engine) { Foreman::Engine.new(write_procfile) }
+  let(:upstart) { Foreman::Export::Upstart.new(engine) }
+
+  before(:each) { load_export_templates_into_fakefs("upstart") }
+  before(:each) { stub(upstart).say }
+
+  it "exports to the filesystem" do
+    upstart.export("/tmp/init")
+
+    File.read("/tmp/init/foreman.conf").should         == example_export_file("upstart/foreman.conf")
+    File.read("/tmp/init/foreman-alpha.conf").should   == example_export_file("upstart/foreman-alpha.conf")
+    File.read("/tmp/init/foreman-alpha-1.conf").should == example_export_file("upstart/foreman-alpha-1.conf")
+    File.read("/tmp/init/foreman-alpha-2.conf").should == example_export_file("upstart/foreman-alpha-2.conf")
+    File.read("/tmp/init/foreman-bravo.conf").should   == example_export_file("upstart/foreman.bravo.conf")
+    File.read("/tmp/init/foreman-bravo-1.conf").should == example_export_file("upstart/foreman-bravo-1.conf")
+  end
+end

spec/resources/export/upstart/foreman-alpha-1.conf

@@ -0,0 +1,6 @@
+start on starting foreman-alpha
+stop on stopping foreman-alpha
+respawn
+
+chdir /Users/david/Code/foreman
+exec su foreman -c 'export PORT=5000; ./alpha >> /var/log/foreman/alpha-1.log 2>&1'

spec/resources/export/upstart/foreman-alpha-2.conf

@@ -0,0 +1,6 @@
+start on starting foreman-alpha
+stop on stopping foreman-alpha
+respawn
+
+chdir /Users/david/Code/foreman
+exec su foreman -c 'export PORT=5001; ./alpha >> /var/log/foreman/alpha-2.log 2>&1'

spec/resources/export/upstart/foreman-alpha.conf

@@ -0,0 +1,2 @@
+start on starting foreman
+stop on stopping foreman

spec/resources/export/upstart/foreman-bravo-1.conf

@@ -0,0 +1,6 @@
+start on starting foreman-bravo
+stop on stopping foreman-bravo
+respawn
+
+chdir /Users/david/Code/foreman
+exec su foreman -c 'export PORT=5100; ./bravo >> /var/log/foreman/bravo-1.log 2>&1'

spec/resources/export/upstart/foreman.bravo.conf

@@ -0,0 +1,2 @@
+start on starting foreman
+stop on stopping foreman

spec/resources/export/upstart/foreman.conf

@@ -0,0 +1,8 @@
+pre-start script
+
+bash << "EOF"
+  mkdir -p /var/log/foreman
+  chown -R foreman /var/log/foreman
+EOF
+
+end script

spec/spec_helper.rb

@@ -29,6 +29,27 @@ def write_procfile(procfile="Procfile")
     file.puts "alpha: ./alpha"
     file.puts "bravo: ./bravo"
   end
+  File.expand_path(procfile)
+end
+
+def load_export_templates_into_fakefs(type)
+  FakeFS.deactivate!
+  files = Dir[File.expand_path("../../data/export/#{type}/**", __FILE__)].inject({}) do |hash, file|
+    hash.update(file => File.read(file))
+  end
+  FakeFS.activate!
+  files.each do |filename, contents|
+    File.open(filename, "w") do |f|
+      f.puts contents
+    end
+  end
+end
+
+def example_export_file(filename)
+  FakeFS.deactivate!
+  data = File.read(File.expand_path("../resources/export/#{filename}", __FILE__))
+  FakeFS.activate!
+  data
 end
 
 Rspec.configure do |config|