require 'test/unit'
require_relative 'envutil'
class TestSyntax < Test::Unit::TestCase
def assert_syntax_files(test)
srcdir = File.expand_path("../../..", __FILE__)
srcdir = File.join(srcdir, test)
assert_separately(%W[--disable-gem -r#{__dir__}/envutil - #{srcdir}],
__FILE__, __LINE__, <<-'eom', timeout: Float::INFINITY)
dir = ARGV.shift
for script in Dir["#{dir}/**/*.rb"].sort
assert_valid_syntax(IO::read(script), script)
end
eom
end
def test_syntax_lib; assert_syntax_files("lib"); end
def test_syntax_sample; assert_syntax_files("sample"); end
def test_syntax_ext; assert_syntax_files("ext"); end
def test_syntax_test; assert_syntax_files("test"); end
def test_defined_empty_argument
bug8220 = '[ruby-core:53999] [Bug #8220]'
assert_ruby_status(%w[--disable-gem], 'puts defined? ()', bug8220)
end
def test_must_ascii_compatible
require 'tempfile'
f = Tempfile.new("must_ac_")
Encoding.list.each do |enc|
next unless enc.ascii_compatible?
make_tmpsrc(f, "# -*- coding: #{enc.name} -*-")
assert_nothing_raised(ArgumentError, enc.name) {load(f.path)}
end
Encoding.list.each do |enc|
next if enc.ascii_compatible?
make_tmpsrc(f, "# -*- coding: #{enc.name} -*-")
assert_raise(ArgumentError, enc.name) {load(f.path)}
end
f.close!
end
def test_script_lines
require 'tempfile'
f = Tempfile.new("bug4361_")
bug4361 = '[ruby-dev:43168]'
with_script_lines do |debug_lines|
Encoding.list.each do |enc|
next unless enc.ascii_compatible?
make_tmpsrc(f, "# -*- coding: #{enc.name} -*-\n#----------------")
load(f.path)
assert_equal([f.path], debug_lines.keys)
assert_equal([enc, enc], debug_lines[f.path].map(&:encoding), bug4361)
end
end
f.close!
end
def test_newline_in_block_parameters
bug = '[ruby-dev:45292]'
["", "a", "a, b"].product(["", ";x", [";", "x"]]) do |params|
params = ["|", *params, "|"].join("\n")
assert_valid_syntax("1.times{#{params}}", __FILE__, "#{bug} #{params.inspect}")
end
end
tap do |_,
bug6115 = '[ruby-dev:45308]',
blockcall = '["elem"].each_with_object [] do end',
methods = [['map', 'no'], ['inject([])', 'with']],
blocks = [['do end', 'do'], ['{}', 'brace']],
*|
[%w'. dot', %w':: colon'].product(methods, blocks) do |(c, n1), (m, n2), (b, n3)|
m = m.tr_s('()', ' ').strip if n2 == 'do'
name = "test_#{n3}_block_after_blockcall_#{n1}_#{n2}_arg"
code = "#{blockcall}#{c}#{m} #{b}"
define_method(name) {assert_valid_syntax(code, bug6115)}
end
end
def test_do_block_in_cmdarg
bug9726 = '[ruby-core:61950] [Bug #9726]'
assert_valid_syntax("tap (proc do end)", __FILE__, bug9726)
end
def test_keyword_rest
bug5989 = '[ruby-core:42455]'
assert_valid_syntax("def kwrest_test(**a) a; end", __FILE__, bug5989)
assert_valid_syntax("def kwrest_test2(**a, &b) end", __FILE__, bug5989)
o = Object.new
def o.kw(**a) a end
assert_equal({}, o.kw, bug5989)
assert_equal({foo: 1}, o.kw(foo: 1), bug5989)
assert_equal({foo: 1, bar: 2}, o.kw(foo: 1, bar: 2), bug5989)
EnvUtil.under_gc_stress do
eval("def o.m(k: 0) k end")
end
assert_equal(42, o.m(k: 42), '[ruby-core:45744]')
bug7922 = '[ruby-core:52744] [Bug #7922]'
def o.bug7922(**) end
assert_nothing_raised(ArgumentError, bug7922) {o.bug7922(foo: 42)}
end
def test_keyword_splat
assert_valid_syntax("foo(**h)", __FILE__)
o = Object.new
def o.kw(k1: 1, k2: 2) [k1, k2] end
h = {k1: 11, k2: 12}
assert_equal([11, 12], o.kw(**h))
assert_equal([11, 22], o.kw(k2: 22, **h))
assert_equal([11, 12], o.kw(**h, **{k2: 22}))
assert_equal([11, 22], o.kw(**{k2: 22}, **h))
h = {k3: 31}
assert_raise(ArgumentError) {o.kw(**h)}
h = {"k1"=>11, k2: 12}
assert_raise(TypeError) {o.kw(**h)}
end
def test_warn_grouped_expression
bug5214 = '[ruby-core:39050]'
assert_warning("", bug5214) do
assert_valid_syntax("foo \\\n(\n true)", "test") {$VERBOSE = true}
end
end
def test_warn_unreachable
assert_warning("test:3: warning: statement not reached\n") do
code = "loop do\n" "break\n" "foo\n" "end"
assert_valid_syntax(code, "test") {$VERBOSE = true}
end
end
def test_cmd_symbol_after_keyword
bug6347 = '[ruby-dev:45563]'
assert_not_label(:foo, 'if true then not_label:foo end', bug6347)
assert_not_label(:foo, 'if false; else not_label:foo end', bug6347)
assert_not_label(:foo, 'begin not_label:foo end', bug6347)
assert_not_label(:foo, 'begin ensure not_label:foo end', bug6347)
end
def test_cmd_symbol_in_string
bug6347 = '[ruby-dev:45563]'
assert_not_label(:foo, '"#{not_label:foo}"', bug6347)
end
def test_cmd_symbol_singleton_class
bug6347 = '[ruby-dev:45563]'
@not_label = self
assert_not_label(:foo, 'class << not_label:foo; end', bug6347)
end
def test_cmd_symbol_superclass
bug6347 = '[ruby-dev:45563]'
@not_label = Object
assert_not_label(:foo, 'class Foo < not_label:foo; end', bug6347)
end
def test_duplicated_arg
assert_syntax_error("def foo(a, a) end", /duplicated argument name/)
end
def test_duplicated_rest
assert_syntax_error("def foo(a, *a) end", /duplicated argument name/)
end
def test_duplicated_opt
assert_syntax_error("def foo(a, a=1) end", /duplicated argument name/)
end
def test_duplicated_opt_rest
assert_syntax_error("def foo(a=1, *a) end", /duplicated argument name/)
end
def test_duplicated_rest_opt
assert_syntax_error("def foo(*a, a=1) end", /duplicated argument name/)
end
def test_duplicated_rest_post
assert_syntax_error("def foo(*a, a) end", /duplicated argument name/)
end
def test_duplicated_opt_post
assert_syntax_error("def foo(a=1, a) end", /duplicated argument name/)
end
def test_duplicated_kw
assert_syntax_error("def foo(a, a: 1) end", /duplicated argument name/)
end
def test_duplicated_rest_kw
assert_syntax_error("def foo(*a, a: 1) end", /duplicated argument name/)
end
def test_duplicated_opt_kw
assert_syntax_error("def foo(a=1, a: 1) end", /duplicated argument name/)
end
def test_duplicated_kw_kwrest
assert_syntax_error("def foo(a: 1, **a) end", /duplicated argument name/)
end
def test_duplicated_rest_kwrest
assert_syntax_error("def foo(*a, **a) end", /duplicated argument name/)
end
def test_duplicated_opt_kwrest
assert_syntax_error("def foo(a=1, **a) end", /duplicated argument name/)
end
def test_duplicated_when
w = 'warning: duplicated when clause is ignored'
assert_warning(/3: #{w}.+4: #{w}.+4: #{w}.+5: #{w}.+5: #{w}/m){
eval %q{
case 1
when 1, 1
when 1, 1
when 1, 1
end
}
}
assert_warning(/#{w}/){ a = 1
eval %q{
case 1
when 1, 1
when 1, a
when 1, 1
end
}
}
end
def test_lambda_with_space
feature6390 = '[ruby-dev:45605]'
assert_valid_syntax("-> (x, y) {}", __FILE__, feature6390)
end
def test_do_block_in_cmdarg_begin
bug6419 = '[ruby-dev:45631]'
assert_valid_syntax("p begin 1.times do 1 end end", __FILE__, bug6419)
end
def test_do_block_in_call_args
bug9308 = '[ruby-core:59342] [Bug #9308]'
assert_valid_syntax("bar def foo; self.each do end end", bug9308)
end
def test_reserved_method_no_args
bug6403 = '[ruby-dev:45626]'
assert_valid_syntax("def self; :foo; end", __FILE__, bug6403)
end
def test_unassignable
gvar = global_variables
%w[self nil true false __FILE__ __LINE__ __ENCODING__].each do |kwd|
assert_raise(SyntaxError) {eval("#{kwd} = nil")}
assert_equal(gvar, global_variables)
end
end
Bug7559 = '[ruby-dev:46737]'
def test_lineno_command_call_quote
expected = __LINE__ + 1
actual = caller_lineno "a
b
c
d
e"
assert_equal(expected, actual, "#{Bug7559}: ")
end
def test_lineno_after_heredoc
bug7559 = '[ruby-dev:46737]'
expected, _, actual = __LINE__, <<eom, __LINE__
a
b
c
d
eom
assert_equal(expected, actual, bug7559)
end
def test_lineno_operation_brace_block
expected = __LINE__ + 1
actual = caller_lineno\
{}
assert_equal(expected, actual)
end
def assert_constant_reassignment_nested(preset, op, expected, err = [], bug = '[Bug #5449]')
[
["p ", ""], ["", "p Foo::Bar"], ].each do |p1, p2|
src = <<-EOM.gsub(/^\s*\n/, '')
class Foo
#{"Bar = " + preset if preset}
end
#{p1}Foo::Bar #{op}= 42
#{p2}
EOM
msg = "\# #{bug}\n#{src}"
assert_valid_syntax(src, caller_locations(1, 1)[0].path, msg)
assert_in_out_err([], src, expected, err, msg)
end
end
def test_constant_reassignment_nested
already = /already initialized constant Foo::Bar/
uninitialized = /uninitialized constant Foo::Bar/
assert_constant_reassignment_nested(nil, "||", %w[42])
assert_constant_reassignment_nested("false", "||", %w[42], already)
assert_constant_reassignment_nested("true", "||", %w[true])
assert_constant_reassignment_nested(nil, "&&", [], uninitialized)
assert_constant_reassignment_nested("false", "&&", %w[false])
assert_constant_reassignment_nested("true", "&&", %w[42], already)
assert_constant_reassignment_nested(nil, "+", [], uninitialized)
assert_constant_reassignment_nested("false", "+", [], /undefined method/)
assert_constant_reassignment_nested("11", "+", %w[53], already)
end
def assert_constant_reassignment_toplevel(preset, op, expected, err = [], bug = '[Bug #5449]')
[
["p ", ""], ["", "p ::Bar"], ].each do |p1, p2|
src = <<-EOM.gsub(/^\s*\n/, '')
#{"Bar = " + preset if preset}
class Foo
#{p1}::Bar #{op}= 42
#{p2}
end
EOM
msg = "\# #{bug}\n#{src}"
assert_valid_syntax(src, caller_locations(1, 1)[0].path, msg)
assert_in_out_err([], src, expected, err, msg)
end
end
def test_constant_reassignment_toplevel
already = /already initialized constant Bar/
uninitialized = /uninitialized constant Bar/
assert_constant_reassignment_toplevel(nil, "||", %w[42])
assert_constant_reassignment_toplevel("false", "||", %w[42], already)
assert_constant_reassignment_toplevel("true", "||", %w[true])
assert_constant_reassignment_toplevel(nil, "&&", [], uninitialized)
assert_constant_reassignment_toplevel("false", "&&", %w[false])
assert_constant_reassignment_toplevel("true", "&&", %w[42], already)
assert_constant_reassignment_toplevel(nil, "+", [], uninitialized)
assert_constant_reassignment_toplevel("false", "+", [], /undefined method/)
assert_constant_reassignment_toplevel("11", "+", %w[53], already)
end
def test_error_message_encoding
bug10114 = '[ruby-core:64228] [Bug #10114]'
code = "# -*- coding: utf-8 -*-\n" "def n \"\u{2208}\"; end"
assert_syntax_error(code, /def n "\u{2208}"; end/, bug10114)
end
private
def not_label(x) @result = x; @not_label ||= nil end
def assert_not_label(expected, src, message = nil)
@result = nil
assert_nothing_raised(SyntaxError, message) {eval(src)}
assert_equal(expected, @result, message)
end
def make_tmpsrc(f, src)
f.open
f.truncate(0)
f.puts(src)
f.close
end
def with_script_lines
script_lines = nil
debug_lines = {}
Object.class_eval do
if defined?(SCRIPT_LINES__)
script_lines = SCRIPT_LINES__
remove_const :SCRIPT_LINES__
end
const_set(:SCRIPT_LINES__, debug_lines)
end
yield debug_lines
ensure
Object.class_eval do
remove_const :SCRIPT_LINES__
const_set(:SCRIPT_LINES__, script_lines) if script_lines
end
end
def caller_lineno(*)
caller_locations(1, 1)[0].lineno
end
end