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require_relative '../../spec_helper'
require_relative 'fixtures/common'
quarantine! do # leads to "Errno::EBADF: Bad file descriptor - closedir" in DirSpecs.delete_mock_dirs
platform_is_not :windows do
describe "Dir.for_fd" do
before :all do
DirSpecs.create_mock_dirs
end
after :all do
DirSpecs.delete_mock_dirs
end
before :each do
@original = Dir.pwd
end
after :each do
Dir.chdir(@original)
end
it "returns a new Dir object representing the directory specified by the given integer directory file descriptor" do
dir = Dir.new(DirSpecs.mock_dir)
dir_new = Dir.for_fd(dir.fileno)
dir_new.should.instance_of?(Dir)
dir_new.children.should == dir.children
dir_new.fileno.should == dir.fileno
ensure
dir.close
end
it "returns a new Dir object without associated path" do
dir = Dir.new(DirSpecs.mock_dir)
dir_new = Dir.for_fd(dir.fileno)
dir_new.path.should == nil
ensure
dir.close
end
it "calls #to_int to convert a value to an Integer" do
dir = Dir.new(DirSpecs.mock_dir)
obj = mock("fd")
obj.should_receive(:to_int).and_return(dir.fileno)
dir_new = Dir.for_fd(obj)
dir_new.fileno.should == dir.fileno
ensure
dir.close
end
it "raises TypeError when value cannot be converted to Integer" do
-> {
Dir.for_fd(nil)
}.should raise_consistent_error(TypeError, "no implicit conversion of nil into Integer")
end
it "raises a SystemCallError if the file descriptor given is not valid" do
-> { Dir.for_fd(-1) }.should.raise(SystemCallError, "Bad file descriptor - fdopendir")
end
it "raises a SystemCallError if the file descriptor given is not for a directory" do
-> { Dir.for_fd $stdout.fileno }.should.raise(SystemCallError, "Not a directory - fdopendir")
end
end
end
platform_is :windows do
describe "Dir.for_fd" do
it "raises NotImplementedError" do
-> { Dir.for_fd 1 }.should.raise(NotImplementedError)
end
end
end
end
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