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# frozen_string_literal: true
require 'test_helper'
class ContextDrop < Liquid::Drop
def scopes
@context.scopes.size
end
def scopes_as_array
(1..@context.scopes.size).to_a
end
def loop_pos
@context['forloop.index']
end
def liquid_method_missing(method)
@context[method]
end
end
class ProductDrop < Liquid::Drop
class TextDrop < Liquid::Drop
def array
['text1', 'text2']
end
def text
'text1'
end
end
class CatchallDrop < Liquid::Drop
def liquid_method_missing(method)
"catchall_method: #{method}"
end
end
def texts
TextDrop.new
end
def catchall
CatchallDrop.new
end
def context
ContextDrop.new
end
protected
def callmenot
"protected"
end
end
class EnumerableDrop < Liquid::Drop
def liquid_method_missing(method)
method
end
def size
3
end
def first
1
end
def count
3
end
def min
1
end
def max
3
end
def each
yield 1
yield 2
yield 3
end
end
class RealEnumerableDrop < Liquid::Drop
include Enumerable
def liquid_method_missing(method)
method
end
def each
yield 1
yield 2
yield 3
end
end
class DropsTest < Minitest::Test
include Liquid
def test_product_drop
tpl = Liquid::Template.parse(' ')
assert_equal(' ', tpl.render!('product' => ProductDrop.new))
end
def test_drop_does_only_respond_to_whitelisted_methods
assert_equal("", Liquid::Template.parse("{{ product.inspect }}").render!('product' => ProductDrop.new))
assert_equal("", Liquid::Template.parse("{{ product.pretty_inspect }}").render!('product' => ProductDrop.new))
assert_equal("", Liquid::Template.parse("{{ product.whatever }}").render!('product' => ProductDrop.new))
assert_equal("", Liquid::Template.parse('{{ product | map: "inspect" }}').render!('product' => ProductDrop.new))
assert_equal("", Liquid::Template.parse('{{ product | map: "pretty_inspect" }}').render!('product' => ProductDrop.new))
assert_equal("", Liquid::Template.parse('{{ product | map: "whatever" }}').render!('product' => ProductDrop.new))
end
def test_drops_respond_to_to_liquid
assert_equal("text1", Liquid::Template.parse("{{ product.to_liquid.texts.text }}").render!('product' => ProductDrop.new))
assert_equal("text1", Liquid::Template.parse('{{ product | map: "to_liquid" | map: "texts" | map: "text" }}').render!('product' => ProductDrop.new))
end
def test_text_drop
output = Liquid::Template.parse(' {{ product.texts.text }} ').render!('product' => ProductDrop.new)
assert_equal(' text1 ', output)
end
def test_catchall_unknown_method
output = Liquid::Template.parse(' {{ product.catchall.unknown }} ').render!('product' => ProductDrop.new)
assert_equal(' catchall_method: unknown ', output)
end
def test_catchall_integer_argument_drop
output = Liquid::Template.parse(' {{ product.catchall[8] }} ').render!('product' => ProductDrop.new)
assert_equal(' catchall_method: 8 ', output)
end
def test_text_array_drop
output = Liquid::Template.parse('{% for text in product.texts.array %} {{text}} {% endfor %}').render!('product' => ProductDrop.new)
assert_equal(' text1 text2 ', output)
end
def test_context_drop
output = Liquid::Template.parse(' {{ context.bar }} ').render!('context' => ContextDrop.new, 'bar' => "carrot")
assert_equal(' carrot ', output)
end
def test_context_drop_array_with_map
output = Liquid::Template.parse(' {{ contexts | map: "bar" }} ').render!('contexts' => [ContextDrop.new, ContextDrop.new], 'bar' => "carrot")
assert_equal(' carrotcarrot ', output)
end
def test_nested_context_drop
output = Liquid::Template.parse(' {{ product.context.foo }} ').render!('product' => ProductDrop.new, 'foo' => "monkey")
assert_equal(' monkey ', output)
end
def test_protected
output = Liquid::Template.parse(' {{ product.callmenot }} ').render!('product' => ProductDrop.new)
assert_equal(' ', output)
end
def test_object_methods_not_allowed
[:dup, :clone, :singleton_class, :eval, :class_eval, :inspect].each do |method|
output = Liquid::Template.parse(" {{ product.#{method} }} ").render!('product' => ProductDrop.new)
assert_equal(' ', output)
end
end
def test_scope
assert_equal('1', Liquid::Template.parse('{{ context.scopes }}').render!('context' => ContextDrop.new))
assert_equal('2', Liquid::Template.parse('{%for i in dummy%}{{ context.scopes }}{%endfor%}').render!('context' => ContextDrop.new, 'dummy' => [1]))
assert_equal('3', Liquid::Template.parse('{%for i in dummy%}{%for i in dummy%}{{ context.scopes }}{%endfor%}{%endfor%}').render!('context' => ContextDrop.new, 'dummy' => [1]))
end
def test_scope_though_proc
assert_equal('1', Liquid::Template.parse('{{ s }}').render!('context' => ContextDrop.new, 's' => proc { |c| c['context.scopes'] }))
assert_equal('2', Liquid::Template.parse('{%for i in dummy%}{{ s }}{%endfor%}').render!('context' => ContextDrop.new, 's' => proc { |c| c['context.scopes'] }, 'dummy' => [1]))
assert_equal('3', Liquid::Template.parse('{%for i in dummy%}{%for i in dummy%}{{ s }}{%endfor%}{%endfor%}').render!('context' => ContextDrop.new, 's' => proc { |c| c['context.scopes'] }, 'dummy' => [1]))
end
def test_scope_with_assigns
assert_equal('variable', Liquid::Template.parse('{% assign a = "variable"%}{{a}}').render!('context' => ContextDrop.new))
assert_equal('variable', Liquid::Template.parse('{% assign a = "variable"%}{%for i in dummy%}{{a}}{%endfor%}').render!('context' => ContextDrop.new, 'dummy' => [1]))
assert_equal('test', Liquid::Template.parse('{% assign header_gif = "test"%}{{header_gif}}').render!('context' => ContextDrop.new))
assert_equal('test', Liquid::Template.parse("{% assign header_gif = 'test'%}{{header_gif}}").render!('context' => ContextDrop.new))
end
def test_scope_from_tags
assert_equal('1', Liquid::Template.parse('{% for i in context.scopes_as_array %}{{i}}{% endfor %}').render!('context' => ContextDrop.new, 'dummy' => [1]))
assert_equal('12', Liquid::Template.parse('{%for a in dummy%}{% for i in context.scopes_as_array %}{{i}}{% endfor %}{% endfor %}').render!('context' => ContextDrop.new, 'dummy' => [1]))
assert_equal('123', Liquid::Template.parse('{%for a in dummy%}{%for a in dummy%}{% for i in context.scopes_as_array %}{{i}}{% endfor %}{% endfor %}{% endfor %}').render!('context' => ContextDrop.new, 'dummy' => [1]))
end
def test_access_context_from_drop
assert_equal('123', Liquid::Template.parse('{%for a in dummy%}{{ context.loop_pos }}{% endfor %}').render!('context' => ContextDrop.new, 'dummy' => [1, 2, 3]))
end
def test_enumerable_drop
assert_equal('123', Liquid::Template.parse('{% for c in collection %}{{c}}{% endfor %}').render!('collection' => EnumerableDrop.new))
end
def test_enumerable_drop_size
assert_equal('3', Liquid::Template.parse('{{collection.size}}').render!('collection' => EnumerableDrop.new))
end
def test_enumerable_drop_will_invoke_liquid_method_missing_for_clashing_method_names
["select", "each", "map", "cycle"].each do |method|
assert_equal(method.to_s, Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => EnumerableDrop.new))
assert_equal(method.to_s, Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => EnumerableDrop.new))
assert_equal(method.to_s, Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => RealEnumerableDrop.new))
assert_equal(method.to_s, Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => RealEnumerableDrop.new))
end
end
def test_some_enumerable_methods_still_get_invoked
[:count, :max].each do |method|
assert_equal("3", Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => RealEnumerableDrop.new))
assert_equal("3", Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => RealEnumerableDrop.new))
assert_equal("3", Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => EnumerableDrop.new))
assert_equal("3", Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => EnumerableDrop.new))
end
assert_equal("yes", Liquid::Template.parse("{% if collection contains 3 %}yes{% endif %}").render!('collection' => RealEnumerableDrop.new))
[:min, :first].each do |method|
assert_equal("1", Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => RealEnumerableDrop.new))
assert_equal("1", Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => RealEnumerableDrop.new))
assert_equal("1", Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => EnumerableDrop.new))
assert_equal("1", Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => EnumerableDrop.new))
end
end
def test_empty_string_value_access
assert_equal('', Liquid::Template.parse('{{ product[value] }}').render!('product' => ProductDrop.new, 'value' => ''))
end
def test_nil_value_access
assert_equal('', Liquid::Template.parse('{{ product[value] }}').render!('product' => ProductDrop.new, 'value' => nil))
end
def test_default_to_s_on_drops
assert_equal('ProductDrop', Liquid::Template.parse("{{ product }}").render!('product' => ProductDrop.new))
assert_equal('EnumerableDrop', Liquid::Template.parse('{{ collection }}').render!('collection' => EnumerableDrop.new))
end
def test_invokable_methods
assert_equal(%w(to_liquid catchall context texts).to_set, ProductDrop.invokable_methods)
assert_equal(%w(to_liquid scopes_as_array loop_pos scopes).to_set, ContextDrop.invokable_methods)
assert_equal(%w(to_liquid size max min first count).to_set, EnumerableDrop.invokable_methods)
assert_equal(%w(to_liquid max min sort count first).to_set, RealEnumerableDrop.invokable_methods)
end
end # DropsTest
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