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haml--haml/test/util_test.rb
2013-05-22 22:08:56 -06:00

74 lines
2.8 KiB
Ruby

require 'test_helper'
class UtilTest < MiniTest::Test
include Haml::Util
def test_powerset
return unless Set[Set[]] == Set[Set[]] # There's a bug in Ruby 1.8.6 that breaks nested set equality
assert_equal([[].to_set].to_set,
powerset([]))
assert_equal([[].to_set, [1].to_set].to_set,
powerset([1]))
assert_equal([[].to_set, [1].to_set, [2].to_set, [1, 2].to_set].to_set,
powerset([1, 2]))
assert_equal([[].to_set, [1].to_set, [2].to_set, [3].to_set,
[1, 2].to_set, [2, 3].to_set, [1, 3].to_set, [1, 2, 3].to_set].to_set,
powerset([1, 2, 3]))
end
def test_silence_warnings
old_stderr, $stderr = $stderr, StringIO.new
warn "Out"
assert_equal("Out\n", $stderr.string)
silence_warnings {warn "In"}
assert_equal("Out\n", $stderr.string)
ensure
$stderr = old_stderr
end
def test_caller_info
assert_equal(["/tmp/foo.rb", 12, "fizzle"], caller_info("/tmp/foo.rb:12: in `fizzle'"))
assert_equal(["/tmp/foo.rb", 12, nil], caller_info("/tmp/foo.rb:12"))
assert_equal(["(haml)", 12, "blah"], caller_info("(haml):12: in `blah'"))
assert_equal(["", 12, "boop"], caller_info(":12: in `boop'"))
assert_equal(["/tmp/foo.rb", -12, "fizzle"], caller_info("/tmp/foo.rb:-12: in `fizzle'"))
assert_equal(["/tmp/foo.rb", 12, "fizzle"], caller_info("/tmp/foo.rb:12: in `fizzle {}'"))
end
def test_def_static_method
klass = Class.new
def_static_method(klass, :static_method, [:arg1, :arg2],
:sarg1, :sarg2, <<RUBY)
s = "Always " + arg1
s << " <% if sarg1 %>and<% else %>but never<% end %> " << arg2
<% if sarg2 %>
s << "."
<% end %>
RUBY
c = klass.new
assert_equal("Always brush your teeth and comb your hair.",
c.send(static_method_name(:static_method, true, true),
"brush your teeth", "comb your hair"))
assert_equal("Always brush your teeth and comb your hair",
c.send(static_method_name(:static_method, true, false),
"brush your teeth", "comb your hair"))
assert_equal("Always brush your teeth but never play with fire.",
c.send(static_method_name(:static_method, false, true),
"brush your teeth", "play with fire"))
assert_equal("Always brush your teeth but never play with fire",
c.send(static_method_name(:static_method, false, false),
"brush your teeth", "play with fire"))
end
def test_check_encoding_does_not_destoy_the_given_string
string_with_bom = if RUBY_VERSION > '1.9'
File.read(File.dirname(__FILE__) + '/templates/with_bom.haml', :encoding => Encoding::UTF_8)
else
File.read(File.dirname(__FILE__) + '/templates/with_bom.haml')
end
original = string_with_bom.dup
check_encoding(string_with_bom)
assert_equal(original, string_with_bom)
end
end