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|
# frozen_string_literal: true
begin
require 'ripper'
require 'test/unit'
ripper_test = true
module TestRipper; end
rescue LoadError
end
class TestRipper::Sexp < Test::Unit::TestCase
def test_compile_error
assert_nil Ripper.sexp("/")
assert_nil Ripper.sexp("-")
assert_nil Ripper.sexp("+")
assert_nil Ripper.sexp("*")
assert_nil Ripper.sexp("end")
assert_nil Ripper.sexp("end 1")
assert_nil Ripper.sexp("/*")
assert_nil Ripper.sexp("/*/")
assert_nil Ripper.sexp("/+/")
end
def test_regexp_content
sexp = Ripper.sexp('//')
assert_nil search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))
sexp = Ripper.sexp('/foo/')
assert_equal 'foo', search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))[1]
sexp = Ripper.sexp("/foo\nbar/")
assert_equal "foo\nbar", search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))[1]
sexp = Ripper.sexp('/(?<n>a(b|\g<n>))/')
assert_equal '(?<n>a(b|\g<n>))', search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))[1]
end
def test_heredoc_content
sexp = Ripper.sexp("<<E\nfoo\nE")
assert_equal "foo\n", search_sexp(:@tstring_content, sexp)[1]
end
def test_squiggly_heredoc
sexp = Ripper.sexp("<<~eot\n asdf\neot")
assert_equal "asdf\n", search_sexp(:@tstring_content, sexp)[1]
end
def test_squiggly_heredoc_with_interpolated_expression
sexp1 = Ripper.sexp(<<-eos)
<<-eot
a\#{1}z
eot
eos
sexp2 = Ripper.sexp(<<-eos)
<<~eot
a\#{1}z
eot
eos
assert_equal clear_pos(sexp1), clear_pos(sexp2)
end
def test_params_mlhs
sexp = Ripper.sexp("proc {|(w, *x, y), z|}")
_, ((mlhs, w, (rest, x), y), z) = search_sexp(:params, sexp)
assert_equal(:mlhs, mlhs)
assert_equal(:@ident, w[0])
assert_equal("w", w[1])
assert_equal(:rest_param, rest)
assert_equal(:@ident, x[0])
assert_equal("x", x[1])
assert_equal(:@ident, y[0])
assert_equal("y", y[1])
assert_equal(:@ident, z[0])
assert_equal("z", z[1])
end
def test_def_fname
sexp = Ripper.sexp("def t; end")
_, (type, fname,) = search_sexp(:def, sexp)
assert_equal(:@ident, type)
assert_equal("t", fname)
sexp = Ripper.sexp("def <<; end")
_, (type, fname,) = search_sexp(:def, sexp)
assert_equal(:@op, type)
assert_equal("<<", fname)
end
def test_defs_fname
sexp = Ripper.sexp("def self.t; end")
_, recv, _, (type, fname) = search_sexp(:defs, sexp)
assert_equal(:var_ref, recv[0], recv)
assert_equal([:@kw, "self", [1, 4]], recv[1], recv)
assert_equal(:@ident, type)
assert_equal("t", fname)
end
def test_named_with_default
sexp = Ripper.sexp("def hello(bln: true, int: 1, str: 'str', sym: :sym) end")
named = String.new
search_sexp(:params, sexp)[5].each { |i| named << "#{i}\n" } # join flattens
exp = "#{<<-"{#"}#{<<~'};'}"
{#
[[:@label, "bln:", [1, 10]], [:var_ref, [:@kw, "true", [1, 15]]]]
[[:@label, "int:", [1, 21]], [:@int, "1", [1, 26]]]
[[:@label, "str:", [1, 29]], [:string_literal, [:string_content, [:@tstring_content, "str", [1, 35]]]]]
[[:@label, "sym:", [1, 41]], [:symbol_literal, [:symbol, [:@ident, "sym", [1, 47]]]]]
};
assert_equal(exp, named)
end
def search_sexp(sym, sexp)
return sexp if !sexp or sexp[0] == sym
sexp.find do |e|
if Array === e and e = search_sexp(sym, e)
return e
end
end
end
def clear_pos(sexp)
return sexp if !sexp
sexp.each do |e|
if Array === e
if e.size == 3 and Array === (last = e.last) and
last.size == 2 and Integer === last[0] and Integer === last[1]
last.clear
else
clear_pos(e)
end
end
end
end
end if ripper_test
|
