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76 lines
2.7 KiB
Ruby
76 lines
2.7 KiB
Ruby
require 'test_helper'
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class UtilTest < MiniTest::Unit::TestCase
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include Haml::Util
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class Dumpable
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attr_reader :arr
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def initialize; @arr = []; end
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def _before_dump; @arr << :before; end
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def _after_dump; @arr << :after; end
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def _around_dump
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@arr << :around_before
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yield
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@arr << :around_after
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end
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def _after_load; @arr << :loaded; end
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end
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def test_powerset
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return unless Set[Set[]] == Set[Set[]] # There's a bug in Ruby 1.8.6 that breaks nested set equality
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assert_equal([[].to_set].to_set,
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powerset([]))
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assert_equal([[].to_set, [1].to_set].to_set,
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powerset([1]))
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assert_equal([[].to_set, [1].to_set, [2].to_set, [1, 2].to_set].to_set,
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powerset([1, 2]))
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assert_equal([[].to_set, [1].to_set, [2].to_set, [3].to_set,
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[1, 2].to_set, [2, 3].to_set, [1, 3].to_set, [1, 2, 3].to_set].to_set,
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powerset([1, 2, 3]))
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end
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def test_silence_warnings
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old_stderr, $stderr = $stderr, StringIO.new
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warn "Out"
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assert_equal("Out\n", $stderr.string)
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silence_warnings {warn "In"}
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assert_equal("Out\n", $stderr.string)
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ensure
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$stderr = old_stderr
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end
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def test_caller_info
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assert_equal(["/tmp/foo.rb", 12, "fizzle"], caller_info("/tmp/foo.rb:12: in `fizzle'"))
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assert_equal(["/tmp/foo.rb", 12, nil], caller_info("/tmp/foo.rb:12"))
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assert_equal(["(haml)", 12, "blah"], caller_info("(haml):12: in `blah'"))
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assert_equal(["", 12, "boop"], caller_info(":12: in `boop'"))
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assert_equal(["/tmp/foo.rb", -12, "fizzle"], caller_info("/tmp/foo.rb:-12: in `fizzle'"))
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assert_equal(["/tmp/foo.rb", 12, "fizzle"], caller_info("/tmp/foo.rb:12: in `fizzle {}'"))
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end
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def test_def_static_method
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klass = Class.new
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def_static_method(klass, :static_method, [:arg1, :arg2],
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:sarg1, :sarg2, <<RUBY)
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s = "Always " + arg1
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s << " <% if sarg1 %>and<% else %>but never<% end %> " << arg2
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<% if sarg2 %>
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s << "."
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<% end %>
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RUBY
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c = klass.new
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assert_equal("Always brush your teeth and comb your hair.",
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c.send(static_method_name(:static_method, true, true),
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"brush your teeth", "comb your hair"))
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assert_equal("Always brush your teeth and comb your hair",
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c.send(static_method_name(:static_method, true, false),
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"brush your teeth", "comb your hair"))
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assert_equal("Always brush your teeth but never play with fire.",
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c.send(static_method_name(:static_method, false, true),
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"brush your teeth", "play with fire"))
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assert_equal("Always brush your teeth but never play with fire",
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c.send(static_method_name(:static_method, false, false),
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"brush your teeth", "play with fire"))
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end
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end
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