working on tests

spec/foreman/cli_spec.rb

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+require "spec_helper"
+require "foreman/cli"
+
+describe "Foreman::CLI" do
+  subject { Foreman::CLI.new }
+
+  describe "start" do
+    #let(:engine) { stub_engine }
+
+    describe "with a non-existent Procifile" do
+      it "prints an error" do
+        mock_error(subject, "Procfile does not exist.") do
+          dont_allow.instance_of(Foreman::Engine).start
+          subject.start
+        end
+      end
+    end
+
+    describe "with a Procfile" do
+      before(:each) { write_procfile }
+
+      it "runs successfully" do
+        dont_allow(subject).error
+        mock.instance_of(Foreman::Engine).start
+        subject.start
+      end
+    end
+  end
+
+  describe "export" do
+    describe "with a non-existent Procifile" do
+      it "prints an error" do
+        mock_error(subject, "Procfile does not exist.") do
+          dont_allow.instance_of(Foreman::Engine).export
+          subject.export("testapp")
+        end
+      end
+    end
+
+    describe "with a Procfile" do
+      before(:each) { write_procfile }
+
+      describe "with an invalid formatter" do
+        it "prints an error" do
+          mock_error(subject, "Unknown export format: invalidformatter.") do
+            subject.export("testapp", "Procfile", "invalidformatter")
+          end
+        end
+      end
+
+      describe "with a valid config" do
+        before(:each) { write_foreman_config("testapp") }
+
+        it "runs successfully" do
+          dont_allow(subject).error
+          subject.export("testapp")
+        end
+      end
+    end
+  end
+
+  describe "scale" do
+    describe "without an existing configuration" do
+      # TODO
+    end
+
+    describe "with an existing configuration" do
+      before(:each) { write_foreman_config("testapp") }
+
+      it "scales the specified process" do
+        mock.instance_of(Foreman::Configuration).scale("testprocess", "2")
+        subject.scale("testapp", "testprocess", "2")
+      end
+    end
+  end
+
+end

spec/foreman/configuration_spec.rb

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+require "spec_helper"
+require "foreman/configuration"

spec/foreman/engine_spec.rb

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+require "spec_helper"
+require "foreman/engine"

spec/foreman/export/upstart_spec.rb

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+require "spec_helper"
+require "foreman/export/upstart"

spec/foreman/export_spec.rb

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+require "spec_helper"
+require "foreman/export"

spec/foreman/process_spec.rb

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+require "spec_helper"
+require "foreman/process"

spec/foreman_spec.rb

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+require "spec_helper"
+require "foreman"
+
+describe Foreman do
+
+  describe "VERSION" do
+    subject { Foreman::VERSION }
+    it { should be_a String }
+  end
+
+end

spec/spec_helper.rb

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+require "fakefs/spec_helpers"
+require "rspec"
+
+$:.unshift "lib"
+
+# def stub_configuration
+#   config = mock(Foreman::Configuration)
+#   Foreman::Configuration.stub(:new).and_return(config)
+#   config  
+# end
+# 
+# 
+# def stub_export_upstart
+#   upstart = mock(Foreman::Export::Upstart)
+#   Foreman::Export::Upstart.stub(:new).and_return(upstart)
+#   upstart
+# end
+
+def mock_error(subject, message)
+  mock_exit do
+    mock(subject).puts("ERROR: #{message}")
+    yield
+  end
+end
+
+def mock_exit(&block)
+  block.should raise_error(SystemExit)
+end
+
+# def stub_engine
+#   engine = mock(Foreman::Engine)
+#   stub(Foreman::Engine).new { engine }
+#   engine
+# end
+# 
+def write_foreman_config(app)
+  File.open("/etc/foreman/#{app}.conf", "w") do |file|
+    file.puts %{#{app}_processes="alpha bravo"}
+    file.puts %{#{app}_alpha="1"}
+    file.puts %{#{app}_bravo="2"}    
+  end
+end
+
+def write_procfile(procfile="Procfile")
+  File.open(procfile, "w") do |file|
+    file.puts "alpha ./alpha"
+    file.puts "bravo ./bravo"
+  end
+end
+
+Rspec.configure do |config|
+  config.color_enabled = true
+  config.include FakeFS::SpecHelpers
+  config.mock_with :rr
+end