Files
liquid/test/unit/parser_unit_test.rb
2020-11-12 16:14:33 -05:00

94 lines
2.7 KiB
Ruby

# 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(VariableLookup.send(:new, 'hi', ['there'], 0), p.expression)
assert_equal(VariableLookup.send(:new, 'hi?', [5, 'there?'], 0), p.expression)
assert_equal(VariableLookup.send(:new, 'hi', ['there', 'bob'], 0), p.expression)
p = Parser.new("nil true false")
assert_nil(p.expression)
assert_equal(true, p.expression)
assert_equal(false, 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..9, p.expression)
assert_equal(
RangeLookup.new(VariableLookup.send(:new, 'young', [], 0), VariableLookup.send(:new, 'old', [], 0)),
p.expression
)
assert_equal(
RangeLookup.new(VariableLookup.send(:new, 'hi', [5, "wat"], 0), VariableLookup.send(:new, 'old', [], 0)),
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([[VariableLookup.send(:new, "hi", ["there", 5], 0)], { "keyarg" => 7 }], p.arguments)
end
def test_invalid_expression
assert_raises(SyntaxError) do
p = Parser.new("==")
p.expression
end
end
end