rubyx/test/parser/test_basic.rb

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require_relative "helper"
class TestBasic < MiniTest::Test
# include the magic (setup and parse -> test method translation), see there
include ParserHelper
def test_number
@string_input = '42 '
@parse_output = {:integer => '42'}
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@transform_output = Ast::IntegerExpression.new(42)
@parser = @parser.integer
end
def test_name
@string_input = 'foo '
@parse_output = {:name => 'foo'}
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@transform_output = Ast::NameExpression.new('foo')
@parser = @parser.name
end
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def test_comment
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out = "# i am a comment \n"
@string_input = out.dup #NEEDS the return, which is what delimits the comment
out = out[1..-2]
@parse_output = {:comment => out}
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@transform_output = @parse_output #dont transform
@parser = @parser.comment
end
def test_string
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@string_input = "\"hello\""
@parse_output = {:string=>"hello"}
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@transform_output = Ast::StringExpression.new('hello')
@parser = @parser.string
end
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def test_string_escapes
out = "hello nyou"
out[6] = '\\'
@string_input = "\"#{out}\""
# puts will show that this is a string with a \n in it.
# but he who knows the ruby string rules well enough to do this in the input may win a beer at the ...
# puts @string_input
@parse_output = {:string=>out} #chop quotes off
@transform_output = Ast::StringExpression.new(out)
@parser = @parser.string
end
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def test_assignment
@string_input = "a = 5"
@parse_output = { :asignee => { :name=>"a" } , :asigned => { :integer => "5" } }
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@transform_output = Ast::AssignmentExpression.new("a", Ast::IntegerExpression.new(5) )
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@parser = @parser.assignment
end
end