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require_relative '../../spec_helper'
require_relative 'fixtures/common'
require_relative 'shared/closed'
describe "Dir#each" do
before :all do
DirSpecs.create_mock_dirs
end
after :all do
DirSpecs.delete_mock_dirs
end
before :each do
@dir = Dir.open DirSpecs.mock_dir
end
after :each do
@dir.close
end
it "yields each directory entry in succession" do
a = []
@dir.each {|dir| a << dir}
a.sort.should == DirSpecs.expected_paths
end
it "returns the directory which remains open" do
# an FS does not necessarily impose order
ls = Dir.entries(DirSpecs.mock_dir)
@dir.each {}.should == @dir
@dir.read.should == nil
@dir.rewind
ls.should include(@dir.read)
end
it "returns the same result when called repeatedly" do
a = []
@dir.each {|dir| a << dir}
b = []
@dir.each {|dir| b << dir}
a.sort.should == b.sort
a.sort.should == DirSpecs.expected_paths
end
describe "when no block is given" do
it "returns an Enumerator" do
@dir.each.should be_an_instance_of(Enumerator)
@dir.each.to_a.sort.should == DirSpecs.expected_paths
end
describe "returned Enumerator" do
describe "size" do
it "should return nil" do
@dir.each.size.should == nil
end
end
end
end
end
describe "Dir#each" do
before :all do
DirSpecs.create_mock_dirs
end
after :all do
DirSpecs.delete_mock_dirs
end
it_behaves_like :dir_closed, :each
end
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