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require 'test/unit'
class TestNoMethodError < Test::Unit::TestCase
def test_new_default
error = NoMethodError.new
assert_equal("NoMethodError", error.message)
end
def test_new_message
error = NoMethodError.new("Message")
assert_equal("Message", error.message)
end
def test_new_name
error = NoMethodError.new("Message")
assert_nil(error.name)
error = NoMethodError.new("Message", :foo)
assert_equal(:foo, error.name)
end
def test_new_name_args
error = NoMethodError.new("Message", :foo)
assert_nil(error.args)
error = NoMethodError.new("Message", :foo, [1, 2])
assert_equal([:foo, [1, 2]], [error.name, error.args])
end
def test_new_name_args_priv
error = NoMethodError.new("Message", :foo, [1, 2])
assert_not_predicate(error, :private_call?)
error = NoMethodError.new("Message", :foo, [1, 2], true)
assert_equal([:foo, [1, 2], true],
[error.name, error.args, error.private_call?])
end
def test_new_receiver
receiver = Object.new
error = NoMethodError.new
assert_raise(ArgumentError) {error.receiver}
error = NoMethodError.new(receiver: receiver)
assert_equal(receiver, error.receiver)
error = NoMethodError.new("Message")
assert_raise(ArgumentError) {error.receiver}
error = NoMethodError.new("Message", receiver: receiver)
assert_equal(["Message", receiver],
[error.message, error.receiver])
error = NoMethodError.new("Message", :foo)
assert_raise(ArgumentError) {error.receiver}
msg = defined?(DidYouMean.formatter) ?
"Message\nDid you mean? for" : "Message"
error = NoMethodError.new("Message", :foo, receiver: receiver)
assert_equal([msg, :foo, receiver],
[error.message, error.name, error.receiver])
error = NoMethodError.new("Message", :foo, [1, 2])
assert_raise(ArgumentError) {error.receiver}
error = NoMethodError.new("Message", :foo, [1, 2], receiver: receiver)
assert_equal([msg, :foo, [1, 2], receiver],
[error.message, error.name, error.args, error.receiver])
error = NoMethodError.new("Message", :foo, [1, 2], true)
assert_raise(ArgumentError) {error.receiver}
error = NoMethodError.new("Message", :foo, [1, 2], true, receiver: receiver)
assert_equal([:foo, [1, 2], true, receiver],
[error.name, error.args, error.private_call?, error.receiver])
end
def test_message_encoding
bug3237 = '[ruby-core:29948]'
str = "\u2600"
id = :"\u2604"
msg = "undefined method `#{id}' for \"#{str}\":String"
assert_raise_with_message(NoMethodError, msg, bug3237) do
str.__send__(id)
end
end
end
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