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describe :dir_open, shared: true do
it "returns a Dir instance representing the specified directory" do
dir = Dir.send(@method, DirSpecs.mock_dir)
dir.should be_kind_of(Dir)
dir.close
end
it "raises a SystemCallError if the directory does not exist" do
lambda do
Dir.send @method, DirSpecs.nonexistent
end.should raise_error(SystemCallError)
end
it "may take a block which is yielded to with the Dir instance" do
Dir.send(@method, DirSpecs.mock_dir) {|dir| dir.should be_kind_of(Dir)}
end
it "returns the value of the block if a block is given" do
Dir.send(@method, DirSpecs.mock_dir) {|dir| :value }.should == :value
end
it "closes the Dir instance when the block exits if given a block" do
closed_dir = Dir.send(@method, DirSpecs.mock_dir) { |dir| dir }
lambda { closed_dir.read }.should raise_error(IOError)
end
it "closes the Dir instance when the block exits the block even due to an exception" do
closed_dir = nil
lambda do
Dir.send(@method, DirSpecs.mock_dir) do |dir|
closed_dir = dir
raise "dir specs"
end
end.should raise_error(RuntimeError, "dir specs")
lambda { closed_dir.read }.should raise_error(IOError)
end
it "calls #to_path on non-String arguments" do
p = mock('path')
p.should_receive(:to_path).and_return(DirSpecs.mock_dir)
Dir.send(@method, p) { true }
end
it "accepts an options Hash" do
dir = Dir.send(@method, DirSpecs.mock_dir, encoding: "utf-8") {|d| d }
dir.should be_kind_of(Dir)
end
it "calls #to_hash to convert the options object" do
options = mock("dir_open")
options.should_receive(:to_hash).and_return({ encoding: Encoding::UTF_8 })
dir = Dir.send(@method, DirSpecs.mock_dir, options) {|d| d }
dir.should be_kind_of(Dir)
end
it "ignores the :encoding option if it is nil" do
dir = Dir.send(@method, DirSpecs.mock_dir, encoding: nil) {|d| d }
dir.should be_kind_of(Dir)
end
end
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