require 'test_helper'
class ForTagTest < Test::Unit::TestCase
include Liquid
def test_for
assert_template_result(' yo yo yo yo ','{%for item in array%} yo {%endfor%}','array' => [1,2,3,4])
assert_template_result('yoyo','{%for item in array%}yo{%endfor%}','array' => [1,2])
assert_template_result(' yo ','{%for item in array%} yo {%endfor%}','array' => [1])
assert_template_result('','{%for item in array%}{%endfor%}','array' => [1,2])
expected = <<HERE
yo
yo
yo
HERE
template = <<HERE
{%for item in array%}
yo
{%endfor%}
HERE
assert_template_result(expected,template,'array' => [1,2,3])
end
def test_for_reversed
assigns = {'array' => [ 1, 2, 3] }
assert_template_result('321','{%for item in array reversed %}{{item}}{%endfor%}',assigns)
end
def test_for_with_range
assert_template_result(' 1 2 3 ','{%for item in (1..3) %} {{item}} {%endfor%}')
end
def test_for_with_variable
assert_template_result(' 1 2 3 ','{%for item in array%} {{item}} {%endfor%}','array' => [1,2,3])
assert_template_result('123','{%for item in array%}{{item}}{%endfor%}','array' => [1,2,3])
assert_template_result('123','{% for item in array %}{{item}}{% endfor %}','array' => [1,2,3])
assert_template_result('abcd','{%for item in array%}{{item}}{%endfor%}','array' => ['a','b','c','d'])
assert_template_result('a b c','{%for item in array%}{{item}}{%endfor%}','array' => ['a',' ','b',' ','c'])
assert_template_result('abc','{%for item in array%}{{item}}{%endfor%}','array' => ['a','','b','','c'])
end
def test_for_helpers
assigns = {'array' => [1,2,3] }
assert_template_result(' 1/3 2/3 3/3 ',
'{%for item in array%} {{forloop.index}}/{{forloop.length}} {%endfor%}',
assigns)
assert_template_result(' 1 2 3 ', '{%for item in array%} {{forloop.index}} {%endfor%}', assigns)
assert_template_result(' 0 1 2 ', '{%for item in array%} {{forloop.index0}} {%endfor%}', assigns)
assert_template_result(' 2 1 0 ', '{%for item in array%} {{forloop.rindex0}} {%endfor%}', assigns)
assert_template_result(' 3 2 1 ', '{%for item in array%} {{forloop.rindex}} {%endfor%}', assigns)
assert_template_result(' true false false ', '{%for item in array%} {{forloop.first}} {%endfor%}', assigns)
assert_template_result(' false false true ', '{%for item in array%} {{forloop.last}} {%endfor%}', assigns)
end
def test_for_and_if
assigns = {'array' => [1,2,3] }
assert_template_result('+--',
'{%for item in array%}{% if forloop.first %}+{% else %}-{% endif %}{%endfor%}',
assigns)
end
def test_for_else
assert_template_result('+++', '{%for item in array%}+{%else%}-{%endfor%}', 'array'=>[1,2,3])
assert_template_result('-', '{%for item in array%}+{%else%}-{%endfor%}', 'array'=>[])
assert_template_result('-', '{%for item in array%}+{%else%}-{%endfor%}', 'array'=>nil)
end
def test_sorting
assigns = {'array' => [1,2,3,4,5,6,7,8,9,0]}
assert_template_result('0123456789', '{%for i in array order:ascending %}{{ i }}{%endfor%}', assigns)
assert_template_result('9876543210', '{%for i in array order:descending %}{{ i }}{%endfor%}', assigns)
assert_template_result('765', '{%for i in array order:descending offset:2 limit:3 %}{{ i }}{%endfor%}', assigns)
assigns = {'array' => [{"name" => 'A', "count" => '3'}, {"name" => 'C', "count" => '1'}, {"name" => 'B', "count" => '2'}]}
assert_template_result('A|B|C|', '{%for i in array sort_by:name %}{{ i["name"] }}|{%endfor%}', assigns)
assert_template_result('C|B|A|', '{%for i in array sort_by:name order:descending %}{{ i["name"] }}|{%endfor%}', assigns)
assert_template_result('1|2|3|', '{%for i in array sort_by:count %}{{ i["count"] }}|{%endfor%}', assigns)
assert_template_result('A|C|B|', '{%for i in array sort_by:missing_attribute %}{{ i["name"] }}|{%endfor%}', assigns)
end
def test_limiting
assigns = {'array' => [1,2,3,4,5,6,7,8,9,0]}
assert_template_result('12', '{%for i in array limit:2 %}{{ i }}{%endfor%}', assigns)
assert_template_result('1234', '{%for i in array limit:4 %}{{ i }}{%endfor%}', assigns)
assert_template_result('3456', '{%for i in array limit:4 offset:2 %}{{ i }}{%endfor%}', assigns)
assert_template_result('3456', '{%for i in array limit: 4 offset: 2 %}{{ i }}{%endfor%}', assigns)
end
def test_dynamic_variable_limiting
assigns = {'array' => [1,2,3,4,5,6,7,8,9,0]}
assigns['limit'] = 2
assigns['offset'] = 2
assert_template_result('34', '{%for i in array limit: limit offset: offset %}{{ i }}{%endfor%}', assigns)
end
def test_nested_for
assigns = {'array' => [[1,2],[3,4],[5,6]] }
assert_template_result('123456', '{%for item in array%}{%for i in item%}{{ i }}{%endfor%}{%endfor%}', assigns)
end
def test_offset_only
assigns = {'array' => [1,2,3,4,5,6,7,8,9,0]}
assert_template_result('890', '{%for i in array offset:7 %}{{ i }}{%endfor%}', assigns)
end
def test_pause_resume
assigns = {'array' => {'items' => [1,2,3,4,5,6,7,8,9,0]}}
markup = <<-MKUP
{%for i in array.items limit: 3 %}{{i}}{%endfor%}
next
{%for i in array.items offset:continue limit: 3 %}{{i}}{%endfor%}
next
{%for i in array.items offset:continue limit: 3 %}{{i}}{%endfor%}
MKUP
expected = <<-XPCTD
123
next
456
next
789
XPCTD
assert_template_result(expected,markup,assigns)
end
def test_pause_resume_limit
assigns = {'array' => {'items' => [1,2,3,4,5,6,7,8,9,0]}}
markup = <<-MKUP
{%for i in array.items limit:3 %}{{i}}{%endfor%}
next
{%for i in array.items offset:continue limit:3 %}{{i}}{%endfor%}
next
{%for i in array.items offset:continue limit:1 %}{{i}}{%endfor%}
MKUP
expected = <<-XPCTD
123
next
456
next
7
XPCTD
assert_template_result(expected,markup,assigns)
end
def test_pause_resume_BIG_limit
assigns = {'array' => {'items' => [1,2,3,4,5,6,7,8,9,0]}}
markup = <<-MKUP
{%for i in array.items limit:3 %}{{i}}{%endfor%}
next
{%for i in array.items offset:continue limit:3 %}{{i}}{%endfor%}
next
{%for i in array.items offset:continue limit:1000 %}{{i}}{%endfor%}
MKUP
expected = <<-XPCTD
123
next
456
next
7890
XPCTD
assert_template_result(expected,markup,assigns)
end
def test_pause_resume_BIG_offset
assigns = {'array' => {'items' => [1,2,3,4,5,6,7,8,9,0]}}
markup = %q({%for i in array.items limit:3 %}{{i}}{%endfor%}
next
{%for i in array.items offset:continue limit:3 %}{{i}}{%endfor%}
next
{%for i in array.items offset:continue limit:3 offset:1000 %}{{i}}{%endfor%})
expected = %q(123
next
456
next
)
assert_template_result(expected,markup,assigns)
end
def test_for_tag_string
# ruby 1.8.7 "String".each => Enumerator with single "String" element.
# ruby 1.9.3 no longer supports .each on String though we mimic
# the functionality for backwards compatibility
assert_template_result('test string',
'{%for val in string%}{{val}}{%endfor%}',
'string' => "test string")
assert_template_result('test string',
'{%for val in string limit:1%}{{val}}{%endfor%}',
'string' => "test string")
assert_template_result('val-string-1-1-0-1-0-true-true-test string',
'{%for val in string%}' +
'{{forloop.name}}-' +
'{{forloop.index}}-' +
'{{forloop.length}}-' +
'{{forloop.index0}}-' +
'{{forloop.rindex}}-' +
'{{forloop.rindex0}}-' +
'{{forloop.first}}-' +
'{{forloop.last}}-' +
'{{val}}{%endfor%}',
'string' => "test string")
end
def test_blank_string_not_iterable
assert_template_result('', "{% for char in characters %}I WILL NOT BE OUTPUT{% endfor %}", 'characters' => '')
end
end