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require 'contest'
require 'tilt'
class StringTemplateTest < Test::Unit::TestCase
test "registered for '.str' files" do
assert_equal Tilt::StringTemplate, Tilt['test.str']
end
test "loading and evaluating templates on #render" do
template = Tilt::StringTemplate.new { |t| "Hello World!" }
assert_equal "Hello World!", template.render
end
test "can be rendered more than once" do
template = Tilt::StringTemplate.new { |t| "Hello World!" }
3.times { assert_equal "Hello World!", template.render }
end
test "passing locals" do
template = Tilt::StringTemplate.new { 'Hey #{name}!' }
assert_equal "Hey Joe!", template.render(Object.new, :name => 'Joe')
end
test "evaluating in an object scope" do
template = Tilt::StringTemplate.new { 'Hey #{@name}!' }
scope = Object.new
scope.instance_variable_set :@name, 'Joe'
assert_equal "Hey Joe!", template.render(scope)
end
test "passing a block for yield" do
template = Tilt::StringTemplate.new { 'Hey #{yield}!' }
assert_equal "Hey Joe!", template.render { 'Joe' }
assert_equal "Hey Moe!", template.render { 'Moe' }
end
test "multiline templates" do
template = Tilt::StringTemplate.new { "Hello\nWorld!\n" }
assert_equal "Hello\nWorld!\n", template.render
end
test "backtrace file and line reporting without locals" do
data = File.read(__FILE__).split("\n__END__\n").last
fail unless data[0] == ?<
template = Tilt::StringTemplate.new('test.str', 11) { data }
begin
template.render
fail 'should have raised an exception'
rescue => boom
assert_kind_of NameError, boom
line = boom.backtrace.grep(/^test\.str:/).first
assert line, "Backtrace didn't contain test.str"
file, line, meth = line.split(":")
assert_equal '13', line
end
end
test "backtrace file and line reporting with locals" do
data = File.read(__FILE__).split("\n__END__\n").last
fail unless data[0] == ?<
template = Tilt::StringTemplate.new('test.str', 1) { data }
begin
template.render(nil, :name => 'Joe', :foo => 'bar')
fail 'should have raised an exception'
rescue => boom
assert_kind_of RuntimeError, boom
line = boom.backtrace.first
file, line, meth = line.split(":")
assert_equal 'test.str', file
assert_equal '6', line
end
end
end
class CompiledStringTemplateTest < Test::Unit::TestCase
def teardown
GC.start
end
class Scope
end
test "compiling template source to a method" do
template = Tilt::StringTemplate.new { |t| "Hello World!" }
template.render(Scope.new)
method = template.send(:compiled_method, [])
assert_kind_of UnboundMethod, method
end
test "loading and evaluating templates on #render" do
template = Tilt::StringTemplate.new { |t| "Hello World!" }
assert_equal "Hello World!", template.render(Scope.new)
end
test "passing locals" do
template = Tilt::StringTemplate.new { 'Hey #{name}!' }
assert_equal "Hey Joe!", template.render(Scope.new, :name => 'Joe')
assert_equal "Hey Moe!", template.render(Scope.new, :name => 'Moe')
end
test "evaluating in an object scope" do
template = Tilt::StringTemplate.new { 'Hey #{@name}!' }
scope = Scope.new
scope.instance_variable_set :@name, 'Joe'
assert_equal "Hey Joe!", template.render(scope)
scope.instance_variable_set :@name, 'Moe'
assert_equal "Hey Moe!", template.render(scope)
end
test "passing a block for yield" do
template = Tilt::StringTemplate.new { 'Hey #{yield}!' }
assert_equal "Hey Joe!", template.render(Scope.new) { 'Joe' }
assert_equal "Hey Moe!", template.render(Scope.new) { 'Moe' }
end
test "multiline templates" do
template = Tilt::StringTemplate.new { "Hello\nWorld!\n" }
assert_equal "Hello\nWorld!\n", template.render(Scope.new)
end
test "template with '}'" do
template = Tilt::StringTemplate.new { "Hello }" }
assert_equal "Hello }", template.render
end
test "backtrace file and line reporting without locals" do
data = File.read(__FILE__).split("\n__END__\n").last
fail unless data[0] == ?<
template = Tilt::StringTemplate.new('test.str', 11) { data }
begin
template.render(Scope.new)
fail 'should have raised an exception'
rescue => boom
assert_kind_of NameError, boom
line = boom.backtrace.first
line = boom.backtrace.grep(/^test\.str:/).first
assert line, "Backtrace didn't contain test.str"
file, line, meth = line.split(":")
assert_equal '13', line
end
end
test "backtrace file and line reporting with locals" do
data = File.read(__FILE__).split("\n__END__\n").last
fail unless data[0] == ?<
template = Tilt::StringTemplate.new('test.str') { data }
begin
template.render(Scope.new, :name => 'Joe', :foo => 'bar')
fail 'should have raised an exception'
rescue => boom
assert_kind_of RuntimeError, boom
line = boom.backtrace.first
file, line, meth = line.split(":")
assert_equal 'test.str', file
assert_equal '6', line
end
end
end
__END__
<html>
<body>
<h1>Hey #{name}!</h1>
<p>#{fail}</p>
</body>
</html>