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401b64c4e8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
97 lines
1.9 KiB
Ruby
97 lines
1.9 KiB
Ruby
require 'erb'
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require_relative '../../spec_helper'
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describe "ERB#run" do
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# TODO: what is this? why does it not use
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# lambda { ... }.should output
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def _steal_stdout
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orig = $stdout
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s = ''
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def s.write(arg); self << arg.to_s; end
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$stdout = s
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begin
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yield
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ensure
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$stdout = orig
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end
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return s
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end
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it "print the result of compiled ruby code" do
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input = <<END
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<ul>
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<% for item in list %>
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<li><%= item %>
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<% end %>
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</ul>
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END
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expected = <<END
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<ul>
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<li>AAA
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<li>BBB
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<li>CCC
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</ul>
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END
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erb = ERB.new(input)
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list = %w[AAA BBB CCC]
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actual = _steal_stdout { erb.run(binding) }
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actual.should == expected
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end
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it "share local variables" do
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input = "<% var = 456 %>"
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expected = 456
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var = 123
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_steal_stdout { ERB.new(input).run(binding) }
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var.should == expected
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end
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it "is not able to h() or u() unless including ERB::Util" do
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input = "<%=h '<>' %>"
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lambda {
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_steal_stdout { ERB.new(input).run() }
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}.should raise_error(NameError)
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end
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it "is able to h() or u() if ERB::Util is included" do
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myerb1 = Class.new do
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include ERB::Util
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def main
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input = "<%=h '<>' %>"
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ERB.new(input).run(binding)
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end
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end
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expected = '<>'
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actual = _steal_stdout { myerb1.new.main() }
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actual.should == expected
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end
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it "use TOPLEVEL_BINDING if binding is not passed" do
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myerb2 = Class.new do
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include ERB::Util
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def main1
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#input = "<%= binding.to_s %>"
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input = "<%= _xxx_var_ %>"
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return ERB.new(input).run()
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end
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def main2
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input = "<%=h '<>' %>"
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return ERB.new(input).run()
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end
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end
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eval '_xxx_var_ = 123', TOPLEVEL_BINDING
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expected = '123'
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actual = _steal_stdout { myerb2.new.main1() }
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actual.should == expected
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lambda {
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_steal_stdout { myerb2.new.main2() }
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}.should raise_error(NameError)
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end
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end
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