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require 'test_helper'
class VariableTest < Minitest::Test
include Liquid
def test_simple_variable
template = Template.parse(%({{test}}))
assert_equal 'worked', template.render!('test' => 'worked')
assert_equal 'worked wonderfully', template.render!('test' => 'worked wonderfully')
end
def test_variable_render_calls_to_liquid
assert_template_result 'foobar', '{{ foo }}', 'foo' => ThingWithToLiquid.new
end
def test_simple_with_whitespaces
template = Template.parse(%( {{ test }} ))
assert_equal ' worked ', template.render!('test' => 'worked')
assert_equal ' worked wonderfully ', template.render!('test' => 'worked wonderfully')
end
def test_ignore_unknown
template = Template.parse(%({{ test }}))
assert_equal '', template.render!
end
def test_using_blank_as_variable_name
template = Template.parse("{% assign foo = blank %}{{ foo }}")
assert_equal '', template.render!
end
def test_using_empty_as_variable_name
template = Template.parse("{% assign foo = empty %}{{ foo }}")
assert_equal '', template.render!
end
def test_hash_scoping
template = Template.parse(%({{ test.test }}))
assert_equal 'worked', template.render!('test' => { 'test' => 'worked' })
end
def test_false_renders_as_false
assert_equal 'false', Template.parse("{{ foo }}").render!('foo' => false)
assert_equal 'false', Template.parse("{{ false }}").render!
end
def test_nil_renders_as_empty_string
assert_equal '', Template.parse("{{ nil }}").render!
assert_equal 'cat', Template.parse("{{ nil | append: 'cat' }}").render!
end
def test_preset_assigns
template = Template.parse(%({{ test }}))
template.assigns['test'] = 'worked'
assert_equal 'worked', template.render!
end
def test_reuse_parsed_template
template = Template.parse(%({{ greeting }} {{ name }}))
template.assigns['greeting'] = 'Goodbye'
assert_equal 'Hello Tobi', template.render!('greeting' => 'Hello', 'name' => 'Tobi')
assert_equal 'Hello ', template.render!('greeting' => 'Hello', 'unknown' => 'Tobi')
assert_equal 'Hello Brian', template.render!('greeting' => 'Hello', 'name' => 'Brian')
assert_equal 'Goodbye Brian', template.render!('name' => 'Brian')
assert_equal({ 'greeting' => 'Goodbye' }, template.assigns)
end
def test_assigns_not_polluted_from_template
template = Template.parse(%({{ test }}{% assign test = 'bar' %}{{ test }}))
template.assigns['test'] = 'baz'
assert_equal 'bazbar', template.render!
assert_equal 'bazbar', template.render!
assert_equal 'foobar', template.render!('test' => 'foo')
assert_equal 'bazbar', template.render!
end
def test_hash_with_default_proc
template = Template.parse(%(Hello {{ test }}))
assigns = Hash.new { |h, k| raise "Unknown variable '#{k}'" }
assigns['test'] = 'Tobi'
assert_equal 'Hello Tobi', template.render!(assigns)
assigns.delete('test')
e = assert_raises(RuntimeError) do
template.render!(assigns)
end
assert_equal "Unknown variable 'test'", e.message
end
def test_multiline_variable
assert_equal 'worked', Template.parse("{{\ntest\n}}").render!('test' => 'worked')
end
def test_render_symbol
assert_template_result 'bar', '{{ foo }}', 'foo' => :bar
end
end
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