require File.join(File.dirname(__FILE__), 'test_helper')


describe HammerCLI::ExceptionHandler do

  before(:each) do
    @log_output = Logging::Appenders['__test__']
    @log_output.reset
  end

  let(:output) { HammerCLI::Output::Output.new }
  let(:handler) { HammerCLI::ExceptionHandler.new(:output => output)}
  let(:heading) { "Something went wrong" }
  let(:cmd) { Class.new(HammerCLI::AbstractCommand).new("command_name") }

  it "should handle unauthorized" do
    output.expects(:print_error).with(heading, "Unauthorized")
    handler.handle_exception(RestClient::Unauthorized.new, :heading => heading)
  end

  it "should handle general exception" do
    output.expects(:print_error).with(heading, "Error: message")
    handler.handle_exception(Exception.new('message'), :heading => heading)
  end

  it "should handle unknown exception" do
    output.expects(:print_error).with(heading, "Error: message")
    MyException = Class.new(Exception)
    handler.handle_exception(MyException.new('message'), :heading => heading)
  end

  it "should handle help request" do
    output.expects(:print_message).with(cmd.help, {}, verbosity: HammerCLI::V_QUIET)
    handler.handle_exception(Clamp::HelpWanted.new(cmd), :heading => heading)

  end

  it "should handle usage error" do
    output.expects(:print_error).with(heading, "Error: wrong_usage\n\nSee: 'command_name --help'.")
    handler.handle_exception(Clamp::UsageError.new('wrong_usage', cmd), :heading => heading)

  end

  it "should handle resource not found" do
    ex = RestClient::ResourceNotFound.new
    output.expects(:print_error).with(heading, ex.message)
    handler.handle_exception(ex, :heading => heading)
  end

  it "should log the error" do
    ex = RestClient::ResourceNotFound.new
    output.default_adapter = :silent
    handler.handle_exception(ex)
    assert_match /Using exception handler HammerCLI::ExceptionHandler#handle_not_found/, @log_output.readline.strip
    assert_match /ERROR  Exception : (Resource )?Not Found/, @log_output.readline.strip
  end

  it "should print default prompts for standard missing arguments" do
    params = %w[login mail]
    heading = 'Could not create user:'
    body = "Missing arguments for '--login', '--mail'."
    ex = ApipieBindings::MissingArgumentsError.new(params)
    output.expects(:print_error).with(heading, body)
    handler.handle_exception(ex, heading: heading)
  end

  it "should print right prompts for nested missing arguments" do
    params = %w[user[login] user[mail]]
    heading = 'Could not create user:'
    body = "Missing arguments for '--login', '--mail'."
    ex = ApipieBindings::MissingArgumentsError.new(params)
    output.expects(:print_error).with(heading, body)
    handler.handle_exception(ex, heading: heading)
  end

  it "should print simple prompts for even more nested arguments" do
    params = %w[user[address][city] user[address][street]]
    heading = 'Could not create user:'
    body = "Missing arguments for '--address'."
    ex = ApipieBindings::MissingArgumentsError.new(params)
    output.expects(:print_error).with(heading, body)
    handler.handle_exception(ex, heading: heading)
  end

  it "should print simple prompts for even more different nested arguments" do
    params = %w[user[address][city] user[address][street] user[nested][par1]]
    heading = 'Could not create user:'
    body = "Missing arguments for '--address', '--nested'."
    ex = ApipieBindings::MissingArgumentsError.new(params)
    output.expects(:print_error).with(heading, body)
    handler.handle_exception(ex, heading: heading)
  end

  it "should print default prompts for standard missing arguments" do
    params = %w[opt_abc opt_a_b-c]
    heading = 'Could not create user:'
    body = "Missing arguments for '--opt-abc', '--opt-a-b-c'."
    ex = ApipieBindings::MissingArgumentsError.new(params)
    output.expects(:print_error).with(heading, body)
    handler.handle_exception(ex, heading: heading)
  end
end