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require 'abstract_unit'
class SafeBufferTest < ActiveSupport::TestCase
def setup
@buffer = ActiveSupport::SafeBuffer.new
end
test "Should look like a string" do
assert @buffer.is_a?(String)
assert_equal "", @buffer
end
test "Should escape a raw string which is passed to them" do
@buffer << "<script>"
assert_equal "&lt;script&gt;", @buffer
end
test "Should NOT escape a safe value passed to it" do
@buffer << "<script>".html_safe
assert_equal "<script>", @buffer
end
test "Should not mess with an innocuous string" do
@buffer << "Hello"
assert_equal "Hello", @buffer
end
test "Should not mess with a previously escape test" do
@buffer << ERB::Util.html_escape("<script>")
assert_equal "&lt;script&gt;", @buffer
end
test "Should be considered safe" do
assert @buffer.html_safe?
end
test "Should return a safe buffer when calling to_s" do
new_buffer = @buffer.to_s
assert_equal ActiveSupport::SafeBuffer, new_buffer.class
end
test "Should not return safe buffer from gsub" do
altered_buffer = @buffer.gsub('', 'asdf')
assert_equal 'asdf', altered_buffer
assert !altered_buffer.html_safe?
end
test "Should not allow gsub! on safe buffers" do
assert_raise TypeError do
@buffer.gsub!('', 'asdf')
end
end
end
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