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# Copyright (C) 2015-2021 Ruby-GNOME Project Team
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
require 'test/unit'
require 'glib2'
require 'tempfile'
class TestGIOChannel < Test::Unit::TestCase
def setup
@content = "aaa\nbbb\nccc\nあああ\n"
@sjis_content = @content.encode("CP932")
@file = Tempfile.new("glib2-content")
@file.open
@file.binmode
@file.print(@content)
@file.close
@sjis_file = Tempfile.new("glib2-sjis-content")
@sjis_file.open
@sjis_file.binmode
@sjis_file.print(@sjis_content)
@sjis_file.close
end
def test_open
write_test_file = Tempfile.new("glib2-write-test")
io = GLib::IOChannel.open(@file.path)
io.close
io = GLib::IOChannel.open(@file.path, "r")
assert_equal(@content, io.read)
io.close
io = GLib::IOChannel.open(write_test_file.path, "w")
assert_raises(RuntimeError){
assert_equal(@content, io.read)
}
io.close
GLib::IOChannel.open(@file.path) do |_io|
assert_equal(@content, _io.read)
end
GLib::IOChannel.open(@file.path, "r") do |_io|
assert_equal(@content, _io.read)
end
GLib::IOChannel.open(write_test_file.path, "w") do |_io|
io = _io
assert_raises(RuntimeError) do
assert_equal(@content, io.read)
end
end
assert_raises(GLib::FileError) do
GLib::IOChannel.new("foo")
end
end
def test_getc
io = GLib::IOChannel.new(@file.path)
["a", "b", "c", "あ"].each do |v|
3.times do
assert_equal(v.unpack("U")[0], io.getc)
end
assert_equal("\n".unpack("U")[0], io.getc)
end
assert_equal(nil, io.getc)
io.close
end
def test_each_char
text = @content.split(//u)
io = GLib::IOChannel.new(@file.path)
i = 0
io.each_char {|ch|
assert_equal(text[i].unpack("U")[0], ch)
i += 1
}
io.close
end
def test_readchar
io = GLib::IOChannel.new(@file.path)
text = @content.split(//u)
text.each do |v|
assert_equal(v.unpack("U")[0], io.readchar)
end
assert_raises(EOFError) {
io.readchar
}
io.close
end
def test_gets
io = GLib::IOChannel.new(@file.path)
assert_equal("aaa\n", io.gets)
assert_equal("bbb\n", io.gets)
assert_equal("ccc\n", io.gets)
assert_equal("あああ\n", io.gets)
assert_equal(nil, io.gets)
io.close
io = GLib::IOChannel.new(@file.path)
assert_equal("aaa\nbbb\n", io.gets("bbb\n"))
assert_equal("ccc\nあああ\n", io.gets("bbb\n"))
assert_equal(nil, io.gets("bbb\n"))
io.close
end
def test_readline
io = GLib::IOChannel.new(@file.path)
assert_equal("aaa\n", io.readline)
assert_equal("bbb\n", io.readline)
assert_equal("ccc\n", io.readline)
assert_equal("あああ\n", io.readline)
assert_raises(EOFError) {
io.readline
}
io.close
io = GLib::IOChannel.new(@file.path)
assert_equal("aaa\nbbb\n", io.readline("bbb\n"))
assert_equal("ccc\nあああ\n", io.readline("bbb\n"))
assert_raises(EOFError) {
io.readline("bbb\n")
}
io.close
end
def test_each_line
lines = ["aaa\n", "bbb\n", "ccc\n", "あああ\n"]
io = GLib::IOChannel.new(@file.path)
i = 0
io.each {|line|
assert_equal(lines[i], line)
i += 1
}
io.close
io = GLib::IOChannel.new(@file.path)
assert_raises(RuntimeError) {
io.each {|line|
raise "test"
}
}
io.close
io = GLib::IOChannel.new(@file.path)
i = 0
io.each_line {|line|
assert_equal(lines[i], line)
i += 1
}
io.close
#Test for Enumerable
GLib::IOChannel.open(@file.path) do |_io|
io = _io
io.each_with_index do |line, _i|
assert_equal(lines[_i], line)
end
end
assert_raises(ArgumentError) do
io.each
end
end
def test_read
io = GLib::IOChannel.new(@file.path)
assert_equal(@content, io.read)
io.close
io = GLib::IOChannel.new(@file.path)
assert_equal(@content, io.read(100))
io.close
io = GLib::IOChannel.new(@file.path)
assert_equal("aaa\nbbb\n", io.read(8))
assert_equal("ccc\n", io.read(4))
assert_equal("あああ\n", io.read(10))
assert_equal("", io.read(10))
assert_equal("", io.read(10))
io.close
end
def test_seek
text = @content
io = GLib::IOChannel.new(@file.path)
io.seek(5)
assert_equal(text.unpack("U*")[5], io.getc)
io.seek(6, GLib::IOChannel::SEEK_SET)
assert_equal(text.unpack("U*")[6], io.getc)
io.seek(1, GLib::IOChannel::SEEK_CUR)
assert_equal(text.unpack("U*")[8], io.getc)
io.pos = 0
assert_equal(text.unpack("U*")[0], io.getc)
io.set_pos(2)
assert_equal(text.unpack("U*")[2], io.getc)
io.close
end
def test_write
write_test_file = Tempfile.new("glib2-write-test")
io = GLib::IOChannel.new(write_test_file.path, "w")
io.write("a\n")
io.write("あいう\n")
io.printf("a%sa\n", "a")
io.print("a", 100, "a\n")
io.puts("b", 200, "b")
io.putc("c")
io.putc("c".unpack("U")[0])
io.putc("cc".unpack("U")[0])
io.putc("あ".unpack("U")[0])
io.putc("あ")
io.putc("あい") #Ignore 2nd char
io.putc("aあ") #Ignore 2nd char
io.close
# check them
io = GLib::IOChannel.new(write_test_file.path, "r")
assert_equal("a\n", io.gets)
assert_equal("あいう\n", io.gets)
assert_equal("aaa\n", io.gets)
assert_equal("a100a\n", io.gets)
assert_equal("b\n", io.gets)
assert_equal("200\n", io.gets)
assert_equal("b\n", io.gets)
assert_equal("c".unpack("U")[0], io.getc)
assert_equal("c".unpack("U")[0], io.getc)
assert_equal("c".unpack("U")[0], io.getc)
assert_equal("あ".unpack("U")[0], io.getc)
assert_equal("あ".unpack("U")[0], io.getc)
assert_equal("あ".unpack("U")[0], io.getc)
assert_equal("a".unpack("U")[0], io.getc)
io.close
end
def test_encoding
io = GLib::IOChannel.new(@file.path)
assert_equal("UTF-8", io.encoding)
io.encoding = "Shift_JIS"
assert_equal("Shift_JIS", io.encoding)
assert_raises(GLib::ConvertError) {
io.read
}
io.close
io = GLib::IOChannel.new(@sjis_file.path)
io.encoding = "Shift_JIS"
assert_equal("Shift_JIS", io.encoding)
assert_equal(@content, io.read)
io.close
end
def test_error
assert_raises(GLib::FileError) {
# No such file or directory
GLib::IOChannel.new("foo")
}
end
sub_test_case("#create_watch") do
def setup
super
@context = GLib::MainContext.new
end
def test_with_block
GLib::IOChannel.open(@file.path) do |channel|
received_condition = nil
source = channel.create_watch(GLib::IOChannel::IN) do |_, condition|
received_condition = condition
GLib::Source::CONTINUE
end
begin
source.attach(@context)
10.times do
@context.iteration(false)
end
assert_equal(GLib::IOCondition::IN, received_condition)
ensure
source.destroy
end
end
end
def test_set_callback
GLib::IOChannel.open(@file.path) do |channel|
received_condition = nil
source = channel.create_watch(GLib::IOChannel::IN)
source.set_callback do |_, condition|
received_condition = condition
GLib::Source::CONTINUE
end
begin
source.attach(@context)
10.times do
@context.iteration(false)
end
assert_equal(GLib::IOCondition::IN, received_condition)
ensure
source.destroy
end
end
end
end
end
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