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ruby--ruby/test/ruby/test_argf.rb
nobu dc82e7e749 * test/ruby/test_argf.rb (test_readlines_twice_tty): removed incomplete test committed accidentally.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34412 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-02-01 01:50:52 +00:00

749 lines
18 KiB
Ruby

require 'test/unit'
require 'timeout'
require 'tmpdir'
require 'tempfile'
require_relative 'envutil'
class TestArgf < Test::Unit::TestCase
def setup
@t1 = Tempfile.new("argf-foo")
@t1.binmode
@t1.puts "1"
@t1.puts "2"
@t1.close
@t2 = Tempfile.new("argf-bar")
@t2.binmode
@t2.puts "3"
@t2.puts "4"
@t2.close
@t3 = Tempfile.new("argf-baz")
@t3.binmode
@t3.puts "5"
@t3.puts "6"
@t3.close
@tmps = [@t1, @t2, @t3]
end
def teardown
@tmps.each {|t|
bak = t.path + ".bak"
File.unlink bak if File.file? bak
t.close(true)
}
end
def make_tempfile
t = Tempfile.new("argf-qux")
t.puts "foo"
t.puts "bar"
t.puts "baz"
t.close
@tmps << t
t
end
def ruby(*args)
args = ['-e', '$>.write($<.read)'] if args.empty?
ruby = EnvUtil.rubybin
f = IO.popen([ruby] + args, 'r+')
yield(f)
ensure
f.close unless !f || f.closed?
end
def no_safe_rename
/cygwin|mswin|mingw|bccwin/ =~ RUBY_PLATFORM
end
def assert_src_expected(line, src, args = nil)
args ||= [@t1.path, @t2.path, @t3.path]
expected = src.split(/^/)
ruby('-e', src, *args) do |f|
expected.each_with_index do |e, i|
/#=> *(.*)/ =~ e or next
a = f.gets
assert_not_nil(a, "[ruby-dev:34445]: remained")
assert_equal($1, a.chomp, "[ruby-dev:34445]: line #{line+i}")
end
end
end
def test_argf
assert_src_expected(__LINE__+1, <<-'SRC')
a = ARGF
b = a.dup
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["1", 1, "1", 1]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["2", 2, "2", 2]
a.rewind
b.rewind
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["1", 1, "1", 3]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["2", 2, "2", 4]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["3", 3, "3", 5]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["4", 4, "4", 6]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["5", 5, "5", 7]
a.rewind
b.rewind
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["5", 5, "5", 8]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["6", 6, "6", 9]
SRC
end
def test_lineno
assert_src_expected(__LINE__+1, <<-'SRC')
a = ARGF
a.gets; p $. #=> 1
a.gets; p $. #=> 2
a.gets; p $. #=> 3
a.rewind; p $. #=> 3
a.gets; p $. #=> 3
a.gets; p $. #=> 4
a.rewind; p $. #=> 4
a.gets; p $. #=> 3
a.lineno = 1000; p $. #=> 1000
a.gets; p $. #=> 1001
a.gets; p $. #=> 1002
$. = 2000
a.gets; p $. #=> 2001
a.gets; p $. #=> 2001
SRC
end
def test_lineno2
assert_src_expected(__LINE__+1, <<-'SRC')
a = ARGF.dup
a.gets; p $. #=> 1
a.gets; p $. #=> 2
a.gets; p $. #=> 1
a.rewind; p $. #=> 1
a.gets; p $. #=> 1
a.gets; p $. #=> 2
a.gets; p $. #=> 1
a.lineno = 1000; p $. #=> 1
a.gets; p $. #=> 2
a.gets; p $. #=> 2
$. = 2000
a.gets; p $. #=> 2000
a.gets; p $. #=> 2000
SRC
end
def test_lineno3
assert_in_out_err(["-", @t1.path, @t2.path], <<-INPUT, %w"1 1 1 2 2 2 3 3 1 4 4 2", [], "[ruby-core:25205]")
ARGF.each do |line|
puts [$., ARGF.lineno, ARGF.file.lineno]
end
INPUT
end
def test_inplace
assert_in_out_err(["-", @t1.path, @t2.path, @t3.path], <<-INPUT, [], [])
ARGF.inplace_mode = '.bak'
while line = ARGF.gets
puts line.chomp + '.new'
end
INPUT
assert_equal("1.new\n2.new\n", File.read(@t1.path))
assert_equal("3.new\n4.new\n", File.read(@t2.path))
assert_equal("5.new\n6.new\n", File.read(@t3.path))
assert_equal("1\n2\n", File.read(@t1.path + ".bak"))
assert_equal("3\n4\n", File.read(@t2.path + ".bak"))
assert_equal("5\n6\n", File.read(@t3.path + ".bak"))
end
def test_inplace2
assert_in_out_err(["-", @t1.path, @t2.path, @t3.path], <<-INPUT, [], [])
ARGF.inplace_mode = '.bak'
puts ARGF.gets.chomp + '.new'
puts ARGF.gets.chomp + '.new'
p ARGF.inplace_mode
ARGF.inplace_mode = nil
puts ARGF.gets.chomp + '.new'
puts ARGF.gets.chomp + '.new'
p ARGF.inplace_mode
ARGF.inplace_mode = '.bak'
puts ARGF.gets.chomp + '.new'
p ARGF.inplace_mode
ARGF.inplace_mode = nil
puts ARGF.gets.chomp + '.new'
INPUT
assert_equal("1.new\n2.new\n\".bak\"\n3.new\n4.new\nnil\n", File.read(@t1.path))
assert_equal("3\n4\n", File.read(@t2.path))
assert_equal("5.new\n\".bak\"\n6.new\n", File.read(@t3.path))
assert_equal("1\n2\n", File.read(@t1.path + ".bak"))
assert_equal(false, File.file?(@t2.path + ".bak"))
assert_equal("5\n6\n", File.read(@t3.path + ".bak"))
end
def test_inplace3
assert_in_out_err(["-i.bak", "-", @t1.path, @t2.path, @t3.path], <<-INPUT, [], [])
puts ARGF.gets.chomp + '.new'
puts ARGF.gets.chomp + '.new'
p $-i
$-i = nil
puts ARGF.gets.chomp + '.new'
puts ARGF.gets.chomp + '.new'
p $-i
$-i = '.bak'
puts ARGF.gets.chomp + '.new'
p $-i
$-i = nil
puts ARGF.gets.chomp + '.new'
INPUT
assert_equal("1.new\n2.new\n\".bak\"\n3.new\n4.new\nnil\n", File.read(@t1.path))
assert_equal("3\n4\n", File.read(@t2.path))
assert_equal("5.new\n\".bak\"\n6.new\n", File.read(@t3.path))
assert_equal("1\n2\n", File.read(@t1.path + ".bak"))
assert_equal(false, File.file?(@t2.path + ".bak"))
assert_equal("5\n6\n", File.read(@t3.path + ".bak"))
end
def test_inplace_rename_impossible
t = make_tempfile
assert_in_out_err(["-", t.path], <<-INPUT) do |r, e|
ARGF.inplace_mode = '/\\\\:'
while line = ARGF.gets
puts line.chomp + '.new'
end
INPUT
assert_match(/Can't rename .* to .*: .*. skipping file/, e.first) #'
assert_equal([], r)
assert_equal("foo\nbar\nbaz\n", File.read(t.path))
end
end
def test_inplace_no_backup
t = make_tempfile
assert_in_out_err(["-", t.path], <<-INPUT) do |r, e|
ARGF.inplace_mode = ''
while line = ARGF.gets
puts line.chomp + '.new'
end
INPUT
if no_safe_rename
assert_match(/Can't do inplace edit without backup/, e.join) #'
else
assert_equal([], e)
assert_equal([], r)
assert_equal("foo.new\nbar.new\nbaz.new\n", File.read(t.path))
end
end
end
def test_inplace_dup
t = make_tempfile
assert_in_out_err(["-", t.path], <<-INPUT, [], [])
ARGF.inplace_mode = '.bak'
f = ARGF.dup
while line = f.gets
puts line.chomp + '.new'
end
INPUT
assert_equal("foo.new\nbar.new\nbaz.new\n", File.read(t.path))
end
def test_inplace_stdin
t = make_tempfile
assert_in_out_err(["-", "-"], <<-INPUT, [], /Can't do inplace edit for stdio; skipping/)
ARGF.inplace_mode = '.bak'
f = ARGF.dup
while line = f.gets
puts line.chomp + '.new'
end
INPUT
end
def test_inplace_stdin2
t = make_tempfile
assert_in_out_err(["-"], <<-INPUT, [], /Can't do inplace edit for stdio/)
ARGF.inplace_mode = '.bak'
while line = ARGF.gets
puts line.chomp + '.new'
end
INPUT
end
def test_encoding
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
p ARGF.external_encoding.is_a?(Encoding)
p ARGF.internal_encoding.is_a?(Encoding)
ARGF.gets
p ARGF.external_encoding.is_a?(Encoding)
p ARGF.internal_encoding
SRC
assert_equal("true\ntrue\ntrue\nnil\n", f.read)
end
end
def test_tell
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
begin
ARGF.binmode
loop do
p ARGF.tell
p ARGF.gets
end
rescue ArgumentError
puts "end"
end
SRC
a = f.read.split("\n")
[0, 2, 4, 2, 4, 2, 4].map {|i| i.to_s }.
zip((1..6).map {|i| '"' + i.to_s + '\n"' } + ["nil"]).flatten.
each do |x|
assert_equal(x, a.shift)
end
assert_equal('end', a.shift)
end
end
def test_seek
assert_src_expected(__LINE__+1, <<-'SRC')
ARGF.seek(4)
p ARGF.gets #=> "3\n"
ARGF.seek(0, IO::SEEK_END)
p ARGF.gets #=> "5\n"
ARGF.seek(4)
p ARGF.gets #=> nil
begin
ARGF.seek(0)
rescue
puts "end" #=> end
end
SRC
end
def test_set_pos
assert_src_expected(__LINE__+1, <<-'SRC')
ARGF.pos = 4
p ARGF.gets #=> "3\n"
ARGF.pos = 4
p ARGF.gets #=> "5\n"
ARGF.pos = 4
p ARGF.gets #=> nil
begin
ARGF.pos = 4
rescue
puts "end" #=> end
end
SRC
end
def test_rewind
assert_src_expected(__LINE__+1, <<-'SRC')
ARGF.pos = 4
ARGF.rewind
p ARGF.gets #=> "1\n"
ARGF.pos = 4
p ARGF.gets #=> "3\n"
ARGF.pos = 4
p ARGF.gets #=> "5\n"
ARGF.pos = 4
p ARGF.gets #=> nil
begin
ARGF.rewind
rescue
puts "end" #=> end
end
SRC
end
def test_fileno
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
p ARGF.fileno
ARGF.gets
ARGF.gets
p ARGF.fileno
ARGF.gets
ARGF.gets
p ARGF.fileno
ARGF.gets
ARGF.gets
p ARGF.fileno
ARGF.gets
begin
ARGF.fileno
rescue
puts "end"
end
SRC
a = f.read.split("\n")
fd1, fd2, fd3, fd4, tag = a
assert_match(/^\d+$/, fd1)
assert_match(/^\d+$/, fd2)
assert_match(/^\d+$/, fd3)
assert_match(/^\d+$/, fd4)
assert_equal('end', tag)
end
end
def test_to_io
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
8.times do
p ARGF.to_io
ARGF.gets
end
SRC
a = f.read.split("\n")
f11, f12, f13, f21, f22, f31, f32, f4 = a
assert_equal(f11, f12)
assert_equal(f11, f13)
assert_equal(f21, f22)
assert_equal(f31, f32)
assert_match(/\(closed\)/, f4)
f4.sub!(/ \(closed\)/, "")
assert_equal(f31, f4)
end
end
def test_eof
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
begin
8.times do
p ARGF.eof?
ARGF.gets
end
rescue IOError
puts "end"
end
SRC
a = f.read.split("\n")
(%w(false) + (%w(false true) * 3) + %w(end)).each do |x|
assert_equal(x, a.shift)
end
end
t1 = Tempfile.new("argf-foo")
t1.binmode
t1.puts "foo"
t1.close
t2 = Tempfile.new("argf-bar")
t2.binmode
t2.puts "bar"
t2.close
ruby('-e', 'STDERR.reopen(STDOUT); ARGF.gets; ARGF.skip; p ARGF.eof?', t1.path, t2.path) do |f|
assert_equal(%w(false), f.read.split(/\n/))
end
end
def test_read
ruby('-e', "p ARGF.read(8)", @t1.path, @t2.path, @t3.path) do |f|
assert_equal("\"1\\n2\\n3\\n4\\n\"\n", f.read)
end
end
def test_read2
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
s = ""
ARGF.read(8, s)
p s
SRC
assert_equal("\"1\\n2\\n3\\n4\\n\"\n", f.read)
end
end
def test_read3
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
nil while ARGF.gets
p ARGF.read
p ARGF.read(0, "")
SRC
assert_equal("nil\n\"\"\n", f.read)
end
end
def test_readpartial
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
s = ""
begin
loop do
s << ARGF.readpartial(1)
t = ""; ARGF.readpartial(1, t); s << t
end
rescue EOFError
puts s
end
SRC
assert_equal("1\n2\n3\n4\n5\n6\n", f.read)
end
end
def test_readpartial2
ruby('-e', <<-SRC) do |f|
s = ""
begin
loop do
s << ARGF.readpartial(1)
t = ""; ARGF.readpartial(1, t); s << t
end
rescue EOFError
$stdout.binmode
puts s
end
SRC
f.binmode
f.puts("foo")
f.puts("bar")
f.puts("baz")
f.close_write
assert_equal("foo\nbar\nbaz\n", f.read)
end
end
def test_getc
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
s = ""
while c = ARGF.getc
s << c
end
puts s
SRC
assert_equal("1\n2\n3\n4\n5\n6\n", f.read)
end
end
def test_getbyte
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
s = []
while c = ARGF.getbyte
s << c
end
p s
SRC
assert_equal("[49, 10, 50, 10, 51, 10, 52, 10, 53, 10, 54, 10]\n", f.read)
end
end
def test_readchar
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
s = ""
begin
while c = ARGF.readchar
s << c
end
rescue EOFError
puts s
end
SRC
assert_equal("1\n2\n3\n4\n5\n6\n", f.read)
end
end
def test_readbyte
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
begin
s = []
while c = ARGF.readbyte
s << c
end
rescue EOFError
p s
end
SRC
assert_equal("[49, 10, 50, 10, 51, 10, 52, 10, 53, 10, 54, 10]\n", f.read)
end
end
def test_each_line
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
s = []
ARGF.each_line {|l| s << l }
p s
SRC
assert_equal("[\"1\\n\", \"2\\n\", \"3\\n\", \"4\\n\", \"5\\n\", \"6\\n\"]\n", f.read)
end
end
def test_each_line_paragraph
assert_in_out_err(['-e', 'ARGF.each_line("") {|para| p para}'], "a\n\nb\n",
["\"a\\n\\n\"", "\"b\\n\""], [])
end
def test_each_byte
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
s = []
ARGF.each_byte {|c| s << c }
p s
SRC
assert_equal("[49, 10, 50, 10, 51, 10, 52, 10, 53, 10, 54, 10]\n", f.read)
end
end
def test_each_char
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
s = ""
ARGF.each_char {|c| s << c }
puts s
SRC
assert_equal("1\n2\n3\n4\n5\n6\n", f.read)
end
end
def test_filename
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
begin
puts ARGF.filename.dump
end while ARGF.gets
puts ARGF.filename.dump
SRC
a = f.read.split("\n")
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
end
end
def test_filename2
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
begin
puts $FILENAME.dump
end while ARGF.gets
puts $FILENAME.dump
SRC
a = f.read.split("\n")
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
end
end
def test_file
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
begin
puts ARGF.file.path.dump
end while ARGF.gets
puts ARGF.file.path.dump
SRC
a = f.read.split("\n")
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
end
end
def test_binmode
bug5268 = '[ruby-core:39234]'
open(@t3.path, "wb") {|f| f.write "5\r\n6\r\n"}
ruby('-e', "ARGF.binmode; STDOUT.binmode; puts ARGF.read", @t1.path, @t2.path, @t3.path) do |f|
f.binmode
assert_equal("1\n2\n3\n4\n5\r\n6\r\n", f.read, bug5268)
end
end
def test_textmode
bug5268 = '[ruby-core:39234]'
open(@t3.path, "wb") {|f| f.write "5\r\n6\r\n"}
ruby('-e', "STDOUT.binmode; puts ARGF.read", @t1.path, @t2.path, @t3.path) do |f|
f.binmode
assert_equal("1\n2\n3\n4\n5\n6\n", f.read, bug5268)
end
end unless IO::BINARY.zero?
def test_skip
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
ARGF.skip
puts ARGF.gets
ARGF.skip
puts ARGF.read
SRC
assert_equal("1\n3\n4\n5\n6\n", f.read)
end
end
def test_close
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
ARGF.close
puts ARGF.read
SRC
assert_equal("3\n4\n5\n6\n", f.read)
end
end
def test_closed
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
3.times do
p ARGF.closed?
ARGF.gets
ARGF.gets
end
p ARGF.closed?
ARGF.gets
p ARGF.closed?
SRC
assert_equal("false\nfalse\nfalse\nfalse\ntrue\n", f.read)
end
end
def test_argv
ruby('-e', "p ARGF.argv; p $*", @t1.path, @t2.path, @t3.path) do |f|
assert_equal([@t1.path, @t2.path, @t3.path].inspect, f.gets.chomp)
assert_equal([@t1.path, @t2.path, @t3.path].inspect, f.gets.chomp)
end
end
def test_readlines_limit_0
bug4024 = '[ruby-dev:42538]'
t = make_tempfile
argf = ARGF.class.new(t.path)
begin
assert_raise(ArgumentError, bug4024) do
argf.readlines(0)
end
ensure
argf.close
end
end
def test_each_line_limit_0
bug4024 = '[ruby-dev:42538]'
t = make_tempfile
argf = ARGF.class.new(t.path)
begin
assert_raise(ArgumentError, bug4024) do
argf.each_line(0).next
end
ensure
argf.close
end
end
def test_unreadable
bug4274 = '[ruby-core:34446]'
paths = (1..2).map do
t = Tempfile.new("bug4274-")
path = t.path
t.close!
path
end
argf = ARGF.class.new(*paths)
paths.each do |path|
e = assert_raise(Errno::ENOENT) {argf.gets}
assert_match(/- #{Regexp.quote(path)}\z/, e.message)
end
assert_nil(argf.gets, bug4274)
end
def test_readlines_twice
bug5952 = '[ruby-dev:45160]'
assert_ruby_status(["-e", "2.times {STDIN.tty?; readlines}"], "", bug5952)
end
end