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require 'contest'
require 'tilt'
begin
if RUBY_VERSION >= '1.9.0'
require 'csv'
else
require 'fastercsv'
end
class CSVTemplateTest < Test::Unit::TestCase
test "registered for '.rcsv' files" do
assert Tilt.mappings['rcsv'].include?(Tilt::CSVTemplate)
end
test "compiles and evaluates the template on #render" do
template = Tilt::CSVTemplate.new { "csv << ['hello', 'world']" }
assert_equal "hello,world\n", template.render
end
test "can be rendered more than once" do
template = Tilt::CSVTemplate.new { "csv << [1,2,3]" }
3.times { assert_equal "1,2,3\n", template.render }
end
test "can pass locals" do
template = Tilt::CSVTemplate.new { 'csv << [1, name]' }
assert_equal "1,Joe\n", template.render(Object.new, :name => 'Joe')
end
test "evaluating in an object scope" do
template = Tilt::CSVTemplate.new { 'csv << [1, @name]' }
scope = Object.new
scope.instance_variable_set :@name, 'Joe'
assert_equal "1,Joe\n", template.render(scope)
end
test "backtrace file and line reporting" do
data = File.read(__FILE__).split("\n__END__\n").last
template = Tilt::CSVTemplate.new('test.csv') { data }
begin
template.render
fail 'should have raised an exception'
rescue => boom
assert_kind_of NameError, boom
line = boom.backtrace.grep(/^test\.csv:/).first
assert line, "Backtrace didn't contain test.csv"
file, line, meth = line.split(":")
assert_equal '4', line
end
end
end
rescue LoadError => boom
warn "Tilt::CSVTemplate (disabled) please install 'fastercsv' if using ruby 1.8.x"
end
__END__
# header
csv << ['Type', 'Age']
raise NameError
# rows
csv << ['Frog', 2]
csv << ['Cat', 5]
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