97 lines
3.2 KiB
Ruby
97 lines
3.2 KiB
Ruby
require File.dirname(__FILE__) + '/../test_helper'
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class MessageTest < ActiveSupport::TestCase
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api_fixtures
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fixtures :messages
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EURO = "\xe2\x82\xac" #euro symbol
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# This needs to be updated when new fixtures are added
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# or removed.
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def test_check_message_count
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assert_equal 2, Message.count
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end
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def test_check_empty_message_fails
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message = Message.new
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assert !message.valid?
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assert message.errors.invalid?(:title)
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assert message.errors.invalid?(:body)
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assert message.errors.invalid?(:sent_on)
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assert true, message.message_read
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end
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def test_validating_msgs
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message = messages(:one)
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assert message.valid?
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massage = messages(:two)
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assert message.valid?
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end
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def test_invalid_send_recipient
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message = messages(:one)
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message.sender = nil
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message.recipient = nil
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assert !message.valid?
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assert_raise(ActiveRecord::RecordNotFound) { User.find(0) }
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message.from_user_id = 0
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message.to_user_id = 0
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assert_raise(ActiveRecord::RecordInvalid) {message.save!}
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end
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def test_utf8_roundtrip
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(1..255).each do |i|
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assert_message_ok('c', i)
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assert_message_ok(EURO, i)
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end
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end
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def test_length_oversize
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assert_raise(ActiveRecord::RecordInvalid) { make_message('c', 256).save! }
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assert_raise(ActiveRecord::RecordInvalid) { make_message(EURO, 256).save! }
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end
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def test_invalid_utf8
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# See e.g http://en.wikipedia.org/wiki/UTF-8 for byte sequences
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# FIXME - Invalid Unicode characters can still be encoded into "valid" utf-8 byte sequences - maybe check this too?
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invalid_sequences = ["\xC0", # always invalid utf8
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"\xC2\x4a", # 2-byte multibyte identifier, followed by plain ASCII
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"\xC2\xC2", # 2-byte multibyte identifier, followed by another one
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"\x4a\x82", # plain ASCII, followed by multibyte continuation
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"\x82\x82", # multibyte continuations without multibyte identifier
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"\xe1\x82\x4a", # three-byte identifier, contination and (incorrectly) plain ASCII
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]
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invalid_sequences.each do |char|
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begin
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# create a message and save to the database
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msg = make_message(char, 1)
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# if the save throws, thats fine and the test should pass, as we're
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# only testing invalid sequences anyway.
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msg.save!
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# get the saved message back and check that it is identical - i.e:
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# its OK to accept invalid UTF-8 as long as we return it unmodified.
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db_msg = msg.class.find(msg.id)
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assert_equal char, db_msg.title, "Database silently truncated message title"
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rescue ActiveRecord::RecordInvalid
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# because we only test invalid sequences it is OK to barf on them
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end
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end
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end
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def make_message(char, count)
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message = messages(:one)
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message.title = char * count
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return message
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end
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def assert_message_ok(char, count)
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message = make_message(char, count)
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assert message.save!
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response = message.class.find(message.id) # stand by for some über-generalisation...
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assert_equal char * count, response.title, "message with #{count} #{char} chars (i.e. #{char.length*count} bytes) fails"
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end
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end
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