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require 'contest'
require 'tilt'
begin
require 'liquid'
class LiquidTemplateTest < Test::Unit::TestCase
test "registered for '.liquid' files" do
assert_equal Tilt::LiquidTemplate, Tilt['test.liquid']
end
test "preparing and evaluating templates on #render" do
template = Tilt::LiquidTemplate.new { |t| "Hello World!" }
assert_equal "Hello World!", template.render
end
test "can be rendered more than once" do
template = Tilt::LiquidTemplate.new { |t| "Hello World!" }
3.times { assert_equal "Hello World!", template.render }
end
test "passing locals" do
template = Tilt::LiquidTemplate.new { "Hey {{ name }}!" }
assert_equal "Hey Joe!", template.render(nil, :name => 'Joe')
end
# Object's passed as "scope" to LiquidTemplate may respond to
# #to_h with a Hash. The Hash's contents are merged underneath
# Tilt locals.
class ExampleLiquidScope
def to_h
{ :beer => 'wet', :whisky => 'wetter' }
end
end
test "combining scope and locals when scope responds to #to_h" do
template =
Tilt::LiquidTemplate.new {
'Beer is {{ beer }} but Whisky is {{ whisky }}.'
}
scope = ExampleLiquidScope.new
assert_equal "Beer is wet but Whisky is wetter.", template.render(scope)
end
test "precedence when locals and scope define same variables" do
template =
Tilt::LiquidTemplate.new {
'Beer is {{ beer }} but Whisky is {{ whisky }}.'
}
scope = ExampleLiquidScope.new
assert_equal "Beer is great but Whisky is greater.",
template.render(scope, :beer => 'great', :whisky => 'greater')
end
# Object's passed as "scope" to LiquidTemplate that do not
# respond to #to_h are silently ignored.
class ExampleIgnoredLiquidScope
end
test "handling scopes that do not respond to #to_h" do
template = Tilt::LiquidTemplate.new { 'Whisky' }
scope = ExampleIgnoredLiquidScope.new
assert_equal "Whisky", template.render(scope)
end
test "passing a block for yield" do
template =
Tilt::LiquidTemplate.new {
'Beer is {{ yield }} but Whisky is {{ content }}ter.'
}
assert_equal "Beer is wet but Whisky is wetter.",
template.render({}) { 'wet' }
end
end
rescue LoadError => boom
warn "Tilt::LiquidTemplate (disabled)"
end
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