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require_relative 'test_helper'
checked_describe 'tilt/haml' do
data = (<<'END').freeze
%html
%body
%h1= "Hey #{name}"
= raise MockError
%p we never get here
END
self::MockError = Class.new(NameError)
it "registered for '.haml' files" do
assert_equal Tilt::HamlTemplate, Tilt['test.haml']
end
it "preparing and evaluating templates on #render" do
template = Tilt::HamlTemplate.new { |t| "%p Hello World!" }
assert_equal "<p>Hello World!</p>\n", template.render
end
it "can be rendered more than once" do
template = Tilt::HamlTemplate.new { |t| "%p Hello World!" }
3.times { assert_equal "<p>Hello World!</p>\n", template.render }
end
it "passing locals" do
template = Tilt::HamlTemplate.new { "%p= 'Hey ' + name + '!'" }
assert_equal "<p>Hey Joe!</p>\n", template.render(Object.new, :name => 'Joe')
end
it 'evaluating in default/nil scope' do
template = Tilt::HamlTemplate.new { |t| '%p Hey unknown!' }
assert_equal "<p>Hey unknown!</p>\n", template.render
assert_equal "<p>Hey unknown!</p>\n", template.render(nil)
end
it 'evaluating in invalid, frozen scope' do
template = Tilt::HamlTemplate.new { |t| '%p Hey unknown!' }
assert_raises(ArgumentError, FrozenError) { template.render(Object.new.freeze) }
end
it "evaluating in an object scope" do
template = Tilt::HamlTemplate.new { "%p= 'Hey ' + @name + '!'" }
scope = Object.new
scope.instance_variable_set :@name, 'Joe'
assert_equal "<p>Hey Joe!</p>\n", template.render(scope)
end
it "passing a block for yield" do
template = Tilt::HamlTemplate.new { "%p= 'Hey ' + yield + '!'" }
assert_equal "<p>Hey Joe!</p>\n", template.render { 'Joe' }
end
it "backtrace file and line reporting without locals" do
template = Tilt::HamlTemplate.new('test.haml', 10) { data }
begin
template.render
fail 'should have raised an exception'
rescue => boom
assert_kind_of NameError, boom
line = boom.backtrace.grep(/\Atest\.haml:/).first
assert line, "Backtrace didn't contain test.haml"
_file, line, _meth = line.split(":")
assert_equal '12', line
end
end
it "backtrace file and line reporting with locals" do
template = Tilt::HamlTemplate.new('test.haml') { data }
begin
template.render(self, :name => 'Joe', :foo => 'bar')
rescue => boom
assert_kind_of self.class::MockError, boom
line = boom.backtrace.first
file, line, _meth = line.split(":")
assert_equal 'test.haml', file
assert_equal '5', line
end
end
_Scope = Class.new
_Scope::MockError = Class.new(NameError)
it "compiling template source to a method" do
template = Tilt::HamlTemplate.new { |t| "Hello World!" }
template.render(_Scope.new)
method = template.send(:compiled_method, [])
assert_kind_of UnboundMethod, method
end
it "passing locals" do
template = Tilt::HamlTemplate.new { "%p= 'Hey ' + name + '!'" }
assert_equal "<p>Hey Joe!</p>\n", template.render(_Scope.new, :name => 'Joe')
end
it 'evaluating in default/nil scope' do
template = Tilt::HamlTemplate.new { |t| '%p Hey unknown!' }
assert_equal "<p>Hey unknown!</p>\n", template.render
assert_equal "<p>Hey unknown!</p>\n", template.render(nil)
end
it 'evaluating in invalid, frozen scope' do
template = Tilt::HamlTemplate.new { |t| '%p Hey unknown!' }
assert_raises(ArgumentError, FrozenError) { template.render(Object.new.freeze) }
end
it "evaluating in an object scope" do
template = Tilt::HamlTemplate.new { "%p= 'Hey ' + @name + '!'" }
scope = _Scope.new
scope.instance_variable_set :@name, 'Joe'
assert_equal "<p>Hey Joe!</p>\n", template.render(scope)
end
it "passing a block for yield" do
template = Tilt::HamlTemplate.new { "%p= 'Hey ' + yield + '!'" }
assert_equal "<p>Hey Joe!</p>\n", template.render(_Scope.new) { 'Joe' }
end
it "backtrace file and line reporting without locals" do
template = Tilt::HamlTemplate.new('test.haml', 10) { data }
begin
template.render(_Scope.new)
fail 'should have raised an exception'
rescue => boom
assert_kind_of NameError, boom
line = boom.backtrace.grep(/\Atest\.haml:/).first
assert line, "Backtrace didn't contain test.haml"
_file, line, _meth = line.split(":")
assert_equal '12', line
end
end
it "backtrace file and line reporting with locals" do
template = Tilt::HamlTemplate.new('test.haml') { data }
begin
template.render(_Scope.new, :name => 'Joe', :foo => 'bar')
rescue => boom
assert_kind_of _Scope::MockError, boom
line = boom.backtrace.first
file, line, _meth = line.split(":")
assert_equal 'test.haml', file
assert_equal '5', line
end
end
end
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