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ruby--ruby/spec/ruby/core/io/shared/new.rb
2019-10-26 20:53:01 +02:00

382 lines
12 KiB
Ruby

require_relative '../fixtures/classes'
# This group of specs may ONLY contain specs that do successfully create
# an IO instance from the file descriptor returned by #new_fd helper.
describe :io_new, shared: true do
before :each do
@name = tmp("io_new.txt")
@fd = new_fd @name
@io = nil
end
after :each do
if @io
@io.close
elsif @fd
IO.new(@fd, "w").close
end
rm_r @name
end
it "creates an IO instance from a Fixnum argument" do
@io = IO.send(@method, @fd, "w")
@io.should be_an_instance_of(IO)
end
it "creates an IO instance when STDOUT is closed" do
suppress_warning do
stdout = STDOUT
stdout_file = tmp("stdout.txt")
begin
@io = IO.send(@method, @fd, "w")
@io.should be_an_instance_of(IO)
ensure
STDOUT = stdout
rm_r stdout_file
end
end
end
it "creates an IO instance when STDERR is closed" do
suppress_warning do
stderr = STDERR
stderr_file = tmp("stderr.txt")
STDERR = new_io stderr_file
STDERR.close
begin
@io = IO.send(@method, @fd, "w")
@io.should be_an_instance_of(IO)
ensure
STDERR = stderr
rm_r stderr_file
end
end
end
it "calls #to_int on an object to convert to a Fixnum" do
obj = mock("file descriptor")
obj.should_receive(:to_int).and_return(@fd)
@io = IO.send(@method, obj, "w")
@io.should be_an_instance_of(IO)
end
it "accepts a :mode option" do
@io = IO.send(@method, @fd, mode: "w")
@io.write("foo").should == 3
end
it "accepts a mode argument set to nil with a valid :mode option" do
@io = IO.send(@method, @fd, nil, mode: "w")
@io.write("foo").should == 3
end
it "accepts a mode argument with a :mode option set to nil" do
@io = IO.send(@method, @fd, "w", mode: nil)
@io.write("foo").should == 3
end
it "uses the external encoding specified in the mode argument" do
@io = IO.send(@method, @fd, 'w:utf-8')
@io.external_encoding.to_s.should == 'UTF-8'
end
it "uses the external and the internal encoding specified in the mode argument" do
@io = IO.send(@method, @fd, 'w:utf-8:ISO-8859-1')
@io.external_encoding.to_s.should == 'UTF-8'
@io.internal_encoding.to_s.should == 'ISO-8859-1'
end
it "uses the external encoding specified via the :external_encoding option" do
@io = IO.send(@method, @fd, 'w', external_encoding: 'utf-8')
@io.external_encoding.to_s.should == 'UTF-8'
end
it "uses the internal encoding specified via the :internal_encoding option" do
@io = IO.send(@method, @fd, 'w', internal_encoding: 'ibm866')
@io.internal_encoding.to_s.should == 'IBM866'
end
it "uses the colon-separated encodings specified via the :encoding option" do
@io = IO.send(@method, @fd, 'w', encoding: 'utf-8:ISO-8859-1')
@io.external_encoding.to_s.should == 'UTF-8'
@io.internal_encoding.to_s.should == 'ISO-8859-1'
end
it "uses the :encoding option as the external encoding when only one is given" do
@io = IO.send(@method, @fd, 'w', encoding: 'ISO-8859-1')
@io.external_encoding.to_s.should == 'ISO-8859-1'
end
it "uses the :encoding options as the external encoding when it's an Encoding object" do
@io = IO.send(@method, @fd, 'w', encoding: Encoding::ISO_8859_1)
@io.external_encoding.should == Encoding::ISO_8859_1
end
it "ignores the :encoding option when the :external_encoding option is present" do
-> {
@io = IO.send(@method, @fd, 'w', external_encoding: 'utf-8', encoding: 'iso-8859-1:iso-8859-1')
}.should complain(/Ignoring encoding parameter/)
@io.external_encoding.to_s.should == 'UTF-8'
end
it "ignores the :encoding option when the :internal_encoding option is present" do
-> {
@io = IO.send(@method, @fd, 'w', internal_encoding: 'ibm866', encoding: 'iso-8859-1:iso-8859-1')
}.should complain(/Ignoring encoding parameter/)
@io.internal_encoding.to_s.should == 'IBM866'
end
it "uses the encoding specified via the :mode option hash" do
@io = IO.send(@method, @fd, mode: 'w:utf-8:ISO-8859-1')
@io.external_encoding.to_s.should == 'UTF-8'
@io.internal_encoding.to_s.should == 'ISO-8859-1'
end
it "ignores the :internal_encoding option when the same as the external encoding" do
@io = IO.send(@method, @fd, 'w', external_encoding: 'utf-8', internal_encoding: 'utf-8')
@io.external_encoding.to_s.should == 'UTF-8'
@io.internal_encoding.to_s.should == ''
end
it "sets internal encoding to nil when passed '-'" do
@io = IO.send(@method, @fd, 'w', external_encoding: 'utf-8', internal_encoding: '-')
@io.external_encoding.to_s.should == 'UTF-8'
@io.internal_encoding.to_s.should == ''
end
it "sets binmode from mode string" do
@io = IO.send(@method, @fd, 'wb')
@io.binmode?.should == true
end
it "does not set binmode without being asked" do
@io = IO.send(@method, @fd, 'w')
@io.binmode?.should == false
end
it "sets binmode from :binmode option" do
@io = IO.send(@method, @fd, 'w', binmode: true)
@io.binmode?.should == true
end
it "does not set binmode from false :binmode" do
@io = IO.send(@method, @fd, 'w', binmode: false)
@io.binmode?.should == false
end
it "sets external encoding to binary with binmode in mode string" do
@io = IO.send(@method, @fd, 'wb')
@io.external_encoding.should == Encoding::BINARY
end
# #5917
it "sets external encoding to binary with :binmode option" do
@io = IO.send(@method, @fd, 'w', binmode: true)
@io.external_encoding.should == Encoding::BINARY
end
it "does not use binary encoding when mode encoding is specified" do
@io = IO.send(@method, @fd, 'wb:iso-8859-1')
@io.external_encoding.to_s.should == 'ISO-8859-1'
end
it "does not use binary encoding when :encoding option is specified" do
@io = IO.send(@method, @fd, 'wb', encoding: "iso-8859-1")
@io.external_encoding.to_s.should == 'ISO-8859-1'
end
it "does not use binary encoding when :external_encoding option is specified" do
@io = IO.send(@method, @fd, 'wb', external_encoding: "iso-8859-1")
@io.external_encoding.to_s.should == 'ISO-8859-1'
end
it "does not use binary encoding when :internal_encoding option is specified" do
@io = IO.send(@method, @fd, 'wb', internal_encoding: "ibm866")
@io.internal_encoding.to_s.should == 'IBM866'
end
it "accepts nil options" do
@io = suppress_keyword_warning do
IO.send(@method, @fd, 'w', nil)
end
@io.write("foo").should == 3
end
it "coerces mode with #to_str" do
mode = mock("mode")
mode.should_receive(:to_str).and_return('w')
@io = IO.send(@method, @fd, mode)
end
it "coerces mode with #to_int" do
mode = mock("mode")
mode.should_receive(:to_int).and_return(File::WRONLY)
@io = IO.send(@method, @fd, mode)
end
it "coerces mode with #to_str when passed in options" do
mode = mock("mode")
mode.should_receive(:to_str).and_return('w')
@io = IO.send(@method, @fd, mode: mode)
end
it "coerces mode with #to_int when passed in options" do
mode = mock("mode")
mode.should_receive(:to_int).and_return(File::WRONLY)
@io = IO.send(@method, @fd, mode: mode)
end
it "coerces :encoding option with #to_str" do
encoding = mock("encoding")
encoding.should_receive(:to_str).and_return('utf-8')
@io = IO.send(@method, @fd, 'w', encoding: encoding)
end
it "coerces :external_encoding option with #to_str" do
encoding = mock("encoding")
encoding.should_receive(:to_str).and_return('utf-8')
@io = IO.send(@method, @fd, 'w', external_encoding: encoding)
end
it "coerces :internal_encoding option with #to_str" do
encoding = mock("encoding")
encoding.should_receive(:to_str).at_least(:once).and_return('utf-8')
@io = IO.send(@method, @fd, 'w', internal_encoding: encoding)
end
it "coerces options as third argument with #to_hash" do
options = mock("options")
options.should_receive(:to_hash).and_return({})
@io = IO.send(@method, @fd, 'w', **options)
end
it "coerces options as second argument with #to_hash" do
options = mock("options")
options.should_receive(:to_hash).and_return({})
@io = IO.send(@method, @fd, **options)
end
it "accepts an :autoclose option" do
@io = IO.send(@method, @fd, 'w', autoclose: false)
@io.autoclose?.should == false
@io.autoclose = true
end
it "accepts any truthy option :autoclose" do
@io = IO.send(@method, @fd, 'w', autoclose: 42)
@io.autoclose?.should == true
end
end
# This group of specs may ONLY contain specs that do not actually create
# an IO instance from the file descriptor returned by #new_fd helper.
describe :io_new_errors, shared: true do
before :each do
@name = tmp("io_new.txt")
@fd = new_fd @name
end
after :each do
IO.new(@fd, "w").close if @fd
rm_r @name
end
it "raises an Errno::EBADF if the file descriptor is not valid" do
-> { IO.send(@method, -1, "w") }.should raise_error(Errno::EBADF)
end
it "raises an IOError if passed a closed stream" do
-> { IO.send(@method, IOSpecs.closed_io.fileno, 'w') }.should raise_error(IOError)
end
platform_is_not :windows do
it "raises an Errno::EINVAL if the new mode is not compatible with the descriptor's current mode" do
-> { IO.send(@method, @fd, "r") }.should raise_error(Errno::EINVAL)
end
end
it "raises ArgumentError if passed an empty mode string" do
-> { IO.send(@method, @fd, "") }.should raise_error(ArgumentError)
end
it "raises an error if passed modes two ways" do
-> {
IO.send(@method, @fd, "w", mode: "w")
}.should raise_error(ArgumentError)
end
it "raises an error if passed encodings two ways" do
-> {
@io = IO.send(@method, @fd, 'w:ISO-8859-1', encoding: 'ISO-8859-1')
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, 'w:ISO-8859-1', external_encoding: 'ISO-8859-1')
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, 'w:ISO-8859-1:UTF-8', internal_encoding: 'ISO-8859-1')
}.should raise_error(ArgumentError)
end
it "raises an error if passed matching binary/text mode two ways" do
-> {
@io = IO.send(@method, @fd, "wb", binmode: true)
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, "wt", textmode: true)
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, "wb", textmode: false)
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, "wt", binmode: false)
}.should raise_error(ArgumentError)
end
it "raises an error if passed conflicting binary/text mode two ways" do
-> {
@io = IO.send(@method, @fd, "wb", binmode: false)
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, "wt", textmode: false)
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, "wb", textmode: true)
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, "wt", binmode: true)
}.should raise_error(ArgumentError)
end
it "raises an error when trying to set both binmode and textmode" do
-> {
@io = IO.send(@method, @fd, "w", textmode: true, binmode: true)
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, File::Constants::WRONLY, textmode: true, binmode: true)
}.should raise_error(ArgumentError)
end
it "raises ArgumentError if not passed a hash or nil for options" do
-> {
@io = IO.send(@method, @fd, 'w', false)
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, false, false)
}.should raise_error(ArgumentError)
-> {
@io = IO.send(@method, @fd, nil, false)
}.should raise_error(ArgumentError)
end
it "raises TypeError if passed a hash for mode and nil for options" do
-> {
suppress_keyword_warning do
@io = IO.send(@method, @fd, {mode: 'w'}, nil)
end
}.should raise_error(TypeError)
end
end