require File.expand_path(File.join(File.dirname(__FILE__),"spec_helper.rb"))
describe Heel::Server do
    before(:each) do 
        @stdin = StringIO.new
        @stdout = StringIO.new
        @stderr = StringIO.new
        ENV["HEEL_DEFAULT_DIRECTORY"] = "/tmp/heel"
    end
    
    after(:each) do
        ENV.delete("HEEL_DEFAULT_DIRECTORY")
        FileUtils.rm_rf "/tmp/heel"
    end
    
    it "should output the version when invoked with --version" do
        server = Heel::Server.new(["--version"])
        server.set_io(@stdin, @stdout)
        begin
            server.run
        rescue SystemExit => se
            se.status.should == 0
            @stdout.string.should =~ /version #{Heel::VERSION}/
        end
    end
    
    it "should output the Usage when invoked with --help" do
        server = Heel::Server.new(["--help"])
        server.set_io(@stdin, @stdout)
        begin
            server.run
        rescue SystemExit => se
            se.status.should == 0
            @stdout.string.should =~ /Usage/m
        end
    end
    
    it "should have an error when invoked with invalid parameters" do
        server = Heel::Server.new(["--junk"])
        server.set_io(@stdin,@stdout)
        begin
            server.run
        rescue SystemExit => se
            se.status.should == 1
            @stdout.string.should =~ /Try .*--help/m
        end
    end
    
    it "should raise print an error if the directory to serve does not exist" do
        server = Heel::Server.new(%w[--root /not/valid])
        server.set_io(@stdin,@stdout)
        begin
            server.run
        rescue SystemExit => se
            se.status.should == 1
            @stdout.string.should =~ /Try .*--help/m
        end
    end
    
    it "should allow port and address to be set" do
        server = Heel::Server.new(%w[--port 4242 --address 192.168.1.1])
        server.merge_options
        server.options.address.should == "192.168.1.1"
        server.options.port.should == 4242        
    end
    
    it "should allow the highlighting option to be unset" do
        server = Heel::Server.new(%w[--no-highlighting])
        server.merge_options
        server.options.highlighting.should == false
    end
    
    it "should set no-launch-browser option and kill option" do
        server = Heel::Server.new(%w[--no-launch-browser])
        server.merge_options
        server.options.launch_browser.should == false
    end
    
    it "should attempt to kill the process" do
        server = Heel::Server.new(%w[--kill])
        server.set_io(@stdin,@stdout)
        
        begin
            server.run
            violated("Should have thrown SystemExit")
        rescue SystemExit => se
            se.status.should == 0
            @stdout.string.should =~ /Done/m
        end
    end
    
    it "should setup a heel directory" do
        server = Heel::Server.new(%w[--daemonize])
        server.set_io(@stdin,@stdout)
        File.directory?(server.default_directory).should == false
        server.setup_heel_dir
        File.directory?(server.default_directory).should == true
        @stdout.string.should =~ /Created/m
    end
    
    it "should send a signal to a pid" do
        server = Heel::Server.new(%w[--kil])
        server.set_io(@stdin,@stdout)
        server.setup_heel_dir
        
        File.open(server.pid_file,"w+") { |f| f.write("-42") }
        begin
            server.run
            violated("Should have exited")
        rescue SystemExit => se
            se.status.should == 0
            @stdout.string.should =~ /Sending TERM to process -42/m
        end
    end
    
end