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# frozen_string_literal: true
require 'test_helper'
class ParserUnitTest < Minitest::Test
include Liquid
def test_consume
p = Parser.new("wat: 7")
assert_equal('wat', p.consume(:id))
assert_equal(':', p.consume(:colon))
assert_equal('7', p.consume(:number))
end
def test_jump
p = Parser.new("wat: 7")
p.jump(2)
assert_equal('7', p.consume(:number))
end
def test_consume?
p = Parser.new("wat: 7")
assert_equal('wat', p.consume?(:id))
assert_equal(false, p.consume?(:dot))
assert_equal(':', p.consume(:colon))
assert_equal('7', p.consume?(:number))
end
def test_id?
p = Parser.new("wat 6 Peter Hegemon")
assert_equal('wat', p.id?('wat'))
assert_equal(false, p.id?('endgame'))
assert_equal('6', p.consume(:number))
assert_equal('Peter', p.id?('Peter'))
assert_equal(false, p.id?('Achilles'))
end
def test_look
p = Parser.new("wat 6 Peter Hegemon")
assert_equal(true, p.look(:id))
assert_equal('wat', p.consume(:id))
assert_equal(false, p.look(:comparison))
assert_equal(true, p.look(:number))
assert_equal(true, p.look(:id, 1))
assert_equal(false, p.look(:number, 1))
end
def test_expressions
p = Parser.new("hi.there hi?[5].there? hi.there.bob")
assert_equal('hi.there', p.expression)
assert_equal('hi?[5].there?', p.expression)
assert_equal('hi.there.bob', p.expression)
p = Parser.new("567 6.0 'lol' \"wut\"")
assert_equal('567', p.expression)
assert_equal('6.0', p.expression)
assert_equal("'lol'", p.expression)
assert_equal('"wut"', p.expression)
end
def test_ranges
p = Parser.new("(5..7) (1.5..9.6) (young..old) (hi[5].wat..old)")
assert_equal('(5..7)', p.expression)
assert_equal('(1.5..9.6)', p.expression)
assert_equal('(young..old)', p.expression)
assert_equal('(hi[5].wat..old)', p.expression)
end
def test_arguments
p = Parser.new("filter: hi.there[5], keyarg: 7")
assert_equal('filter', p.consume(:id))
assert_equal(':', p.consume(:colon))
assert_equal('hi.there[5]', p.argument)
assert_equal(',', p.consume(:comma))
assert_equal('keyarg: 7', p.argument)
end
def test_invalid_expression
assert_raises(SyntaxError) do
p = Parser.new("==")
p.expression
end
end
end
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