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require 'test_tools'
require 'qpid_proton'

class TestURI < MiniTest::Test

  PARTS=[:scheme, :userinfo, :host, :port, :path] # Interesting URI components
  def uri(u) Qpid::Proton::uri(u); end
  def uri_parts(u) uri(u).select(*PARTS); end

  # Extension to standard URI parser
  def test_standard
    u = URI("amqp://u:p@h/x")
    assert_equal URI::AMQP, u.class
    assert_equal ['amqp', 'u:p', 'h', 5672, '/x'], u.select(*PARTS)

    u = URI("amqps://u:p@h/x")
    assert_equal URI::AMQPS, u.class
    assert_equal ['amqps', 'u:p', 'h', 5671, '/x'], u.select(*PARTS)

    assert_equal ['amqp', nil, '[::1:2:3]', 5672, ""], URI('amqp://[::1:2:3]').select(*PARTS)
  end

  # Proton::uri on valid URIs
  def test_valid
    u = uri("amqp://u:p@h:1/x")
    assert_equal URI::AMQP, u.class
    assert_equal ['amqp', 'u:p', 'h', 1, '/x'], u.select(*PARTS)

    u = uri("amqps://u:p@h:1/x")
    assert_equal URI::AMQPS, u.class
    assert_equal ['amqps', 'u:p', 'h', 1, '/x'], u.select(*PARTS)

    # Schemeless string -> amqp
    assert_equal ["amqp", nil, "h", 1, "/x"], uri_parts("//h:1/x")
    assert_equal ["amqp", nil, "", 5672, "/x"], uri_parts("/x")
    assert_equal ["amqp", nil, "[::1]", 5672, ""], uri_parts("//[::1]")

    # Schemeless URI gets amqp: scheme
    assert_equal ["amqp", nil, nil, 5672, "/x"], uri_parts(URI("/x"))

    # Pass-through
    u = uri('')
    assert_same u, uri(u)
  end

  # Proton::uri non-standard shortcuts
  def test_shortcut
    assert_equal URI("amqp://u:p@h:1/x"), uri("u:p@h:1/x")
    assert_equal URI("amqp://h:1"), uri("h:1")
    assert_equal URI("amqp://h"), uri("h")
    assert_equal URI("amqp://h"), uri("h:")
    assert_equal ["amqp", nil, "", 1, ""], uri_parts(":1")
    assert_equal ["amqp", nil, "", 1, ""], uri_parts("amqp://:1")
    assert_equal URI("amqp://[::1:2]:1"), uri("[::1:2]:1")
    assert_equal URI("amqp://[::1:2]"), uri("[::1:2]")
  end

  def test_error
    assert_raises(::ArgumentError) { uri(nil) }
    assert_raises(URI::BadURIError) { uri(URI("http://x")) } # Don't re-parse a URI with wrong scheme
    assert_raises(URI::InvalidURIError) { uri("x:y:z") } # Nonsense
    assert_raises(URI::InvalidURIError) { uri("amqp://[foobar]") } # Bad host
  end

end