60 lines
1.7 KiB
Ruby
60 lines
1.7 KiB
Ruby
require_relative "../helper"
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# Included in parser test will create tests methods
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module ParserHelper
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def self.included(base)
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base.send :include, InstanceMethods #provides helpers and setup
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base.send :extend, ClassMethods #gets the method creation going
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end
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module InstanceMethods
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def setup
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@parser = Parser::Composed.new
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@transform = Parser::Transform.new
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end
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# check that @string_input parses correctly to @parse_output
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def check_parse
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is = @parser.parse(@string_input)
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#puts is.inspect
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assert_equal @parse_output , is
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end
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#check that @parse_output transforms to @transform_output
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def check_transform
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is = @transform.apply @parse_output
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#puts is.transform
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assert_equal @transform_output , is
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end
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# check that @string_input parses and transforms to @transform_output
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def check_ast
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syntax = @parser.parse(@string_input)
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tree = @transform.apply(syntax)
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# puts tree.inspect
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assert_equal @transform_output , tree
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end
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end
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module ClassMethods
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# this creates test methods dynamically. For each parse_* method we create
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# three test_* methods that in turn check the three phases.
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# runnable_methods is called by minitest to determine which tests to run (ie normally test_*)
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def runnable_methods
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tests = []
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public_instance_methods(true).grep(/^parse_/).map(&:to_s).each do |parse|
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["ast" , "transform" , "parse"].each do |what|
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name = "parse_#{what}"
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tests << name
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self.send(:define_method, name ) do
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send(parse)
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send("check_#{what}")
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end
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end
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end
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tests
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end
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end
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end
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