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require_relative 'helper'
class ParserTest < Minitest::Test
def test_parser_extension
parser = Mustache::Parser.new
parser.instance_variable_set :@result, 'zomg'
Mustache::Parser.add_type(:'@', :'$') do |*args|
[:mustache, :at_sign, @result, *args]
end
assert_match Mustache::Parser.valid_types, '@'
assert_match Mustache::Parser.valid_types, '$'
assert_equal [:mustache, :at_sign, 'zomg', 1, 2, 3],
parser.send('scan_tag_@', 1, 2, 3)
assert_equal [:mustache, :at_sign, 'zomg', 1, 2, 3],
parser.send('scan_tag_$', 1, 2, 3)
end
def test_parser
lexer = Mustache::Parser.new
tokens = lexer.compile(<<-EOF)
<h1>{{header}}</h1>
{{#items}}
{{#first}}
<li><strong>{{name}}</strong></li>
{{/first}}
{{#link}}
<li><a href="{{url}}">{{name}}</a></li>
{{/link}}
{{/items}}
{{#empty}}
<p>The list is empty.</p>
{{/empty}}
EOF
expected = [:multi,
[:static, "<h1>"],
[:mustache, :etag, [:mustache, :fetch, ["header"]], [1, 11]],
[:static, "</h1>\n"],
[:mustache,
:section,
[:mustache, :fetch, ["items"]],
[2, 7],
[:multi,
[:mustache,
:section,
[:mustache, :fetch, ["first"]],
[3, 7],
[:multi,
[:static, " <li><strong>"],
[:mustache, :etag, [:mustache, :fetch, ["name"]], [4, 19]],
[:static, "</strong></li>\n"]],
%Q' <li><strong>{{name}}</strong></li>\n',
%w[{{ }}]],
[:mustache,
:section,
[:mustache, :fetch, ["link"]],
[6, 6],
[:multi,
[:static, " <li><a href=\""],
[:mustache, :etag, [:mustache, :fetch, ["url"]], [7, 19]],
[:static, "\">"],
[:mustache, :etag, [:mustache, :fetch, ["name"]], [7, 29]],
[:static, "</a></li>\n"]],
%Q' <li><a href="{{url}}">{{name}}</a></li>\n',
%w[{{ }}]]],
%Q'{{#first}}\n <li><strong>{{name}}</strong></li>\n{{/first}}\n{{#link}}\n <li><a href="{{url}}">{{name}}</a></li>\n{{/link}}\n',
%w[{{ }}]],
[:static, "\n"],
[:mustache,
:section,
[:mustache, :fetch, ["empty"]],
[11, 7],
[:multi, [:static, "<p>The list is empty.</p>\n"]],
%Q'<p>The list is empty.</p>\n',
%w[{{ }}]]]
assert_equal expected, tokens
end
def test_raw_content_and_whitespace
lexer = Mustache::Parser.new
tokens = lexer.compile("{{#list}}\t{{/list}}")
expected = [:multi,
[:mustache,
:section,
[:mustache, :fetch, ["list"]],
[1, 6],
[:multi, [:static, "\t"]],
"\t",
%w[{{ }}]]]
assert_equal expected, tokens
end
def test_unclosed_section
lexer = Mustache::Parser.new
exception = assert_raises Mustache::Parser::SyntaxError do
lexer.compile("{{#list}}")
end
expected = <<-EOF
Unclosed section "list"
Line 1
{{#list}}
^
EOF
assert_equal expected, exception.message
end
def test_closing_unopened
lexer = Mustache::Parser.new
exception = assert_raises Mustache::Parser::SyntaxError do
lexer.compile("{{/list}}")
end
expected = <<-EOF
Closing unopened "list"
Line 1
{{/list}}
^
EOF
assert_equal expected, exception.message
end
def test_unclosed_tag
lexer = Mustache::Parser.new
exception = assert_raises Mustache::Parser::SyntaxError do
lexer.compile("{{list")
end
expected = <<-EOF
Unclosed tag
Line 1
{{list
^
EOF
assert_equal expected, exception.message
end
def test_illegal_content
lexer = Mustache::Parser.new
exception = assert_raises Mustache::Parser::SyntaxError do
lexer.compile("{{")
end
expected = <<-EOF
Illegal content in tag
Line 1
{{
^
EOF
assert_equal expected, exception.message
end
end
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