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require_relative '../../spec_helper'
require_relative 'fixtures/common'
describe "Dir.chdir" 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 "defaults to $HOME with no arguments" do
skip "$HOME not valid directory" unless ENV['HOME'] && File.directory?(ENV['HOME'])
Dir.chdir
current_dir = Dir.pwd
Dir.chdir(ENV['HOME'])
home = Dir.pwd
current_dir.should == home
end
it "changes to the specified directory" do
Dir.chdir DirSpecs.mock_dir
Dir.pwd.should == DirSpecs.mock_dir
end
it "returns 0 when successfully changing directory" do
Dir.chdir(@original).should == 0
end
it "calls #to_str on the argument if it's not a String" do
obj = mock('path')
obj.should_receive(:to_str).and_return(Dir.pwd)
Dir.chdir(obj)
end
it "calls #to_str on the argument if it's not a String and a block is given" do
obj = mock('path')
obj.should_receive(:to_str).and_return(Dir.pwd)
Dir.chdir(obj) { }
end
it "calls #to_path on the argument if it's not a String" do
obj = mock('path')
obj.should_receive(:to_path).and_return(Dir.pwd)
Dir.chdir(obj)
end
it "prefers #to_path over #to_str" do
obj = Class.new do
def to_path; Dir.pwd; end
def to_str; DirSpecs.mock_dir; end
end
Dir.chdir(obj.new)
Dir.pwd.should == @original
end
it "returns the value of the block when a block is given" do
Dir.chdir(@original) { :block_value }.should == :block_value
end
it "defaults to the home directory when given a block but no argument" do
skip "$HOME not valid directory" unless ENV['HOME'] && File.directory?(ENV['HOME'])
# Windows will return a path with forward slashes for ENV["HOME"] so we have
# to compare the route representations returned by Dir.chdir.
current_dir = ""
Dir.chdir { current_dir = Dir.pwd }
Dir.chdir(ENV['HOME'])
home = Dir.pwd
current_dir.should == home
end
it "changes to the specified directory for the duration of the block" do
ar = Dir.chdir(DirSpecs.mock_dir) { |dir| [dir, Dir.pwd] }
ar.should == [DirSpecs.mock_dir, DirSpecs.mock_dir]
Dir.pwd.should == @original
end
it "raises an Errno::ENOENT if the directory does not exist" do
-> { Dir.chdir DirSpecs.nonexistent }.should raise_error(Errno::ENOENT)
-> { Dir.chdir(DirSpecs.nonexistent) { } }.should raise_error(Errno::ENOENT)
end
it "raises an Errno::ENOENT if the original directory no longer exists" do
dir1 = tmp('testdir1')
dir2 = tmp('testdir2')
Dir.should_not.exist?(dir1)
Dir.should_not.exist?(dir2)
Dir.mkdir dir1
Dir.mkdir dir2
begin
-> {
Dir.chdir dir1 do
Dir.chdir(dir2) { Dir.unlink dir1 }
end
}.should raise_error(Errno::ENOENT)
ensure
Dir.unlink dir1 if Dir.exist?(dir1)
Dir.unlink dir2 if Dir.exist?(dir2)
end
end
it "always returns to the original directory when given a block" do
begin
Dir.chdir(DirSpecs.mock_dir) do
raise StandardError, "something bad happened"
end
rescue StandardError
end
Dir.pwd.should == @original
end
end
ruby_version_is '3.3' do
describe "Dir#chdir" 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 "changes the current working directory to self" do
dir = Dir.new(DirSpecs.mock_dir)
dir.chdir
Dir.pwd.should == DirSpecs.mock_dir
ensure
dir.close
end
it "changes the current working directory to self for duration of the block when a block is given" do
dir = Dir.new(DirSpecs.mock_dir)
pwd_in_block = nil
dir.chdir { pwd_in_block = Dir.pwd }
pwd_in_block.should == DirSpecs.mock_dir
Dir.pwd.should == @original
ensure
dir.close
end
it "returns 0 when successfully changing directory" do
dir = Dir.new(DirSpecs.mock_dir)
dir.chdir.should == 0
ensure
dir.close
end
it "returns the value of the block when a block is given" do
dir = Dir.new(DirSpecs.mock_dir)
dir.chdir { :block_value }.should == :block_value
ensure
dir.close
end
platform_is_not :windows do
it "does not raise an Errno::ENOENT if the original directory no longer exists" do
dir_name1 = tmp('testdir1')
dir_name2 = tmp('testdir2')
Dir.should_not.exist?(dir_name1)
Dir.should_not.exist?(dir_name2)
Dir.mkdir dir_name1
Dir.mkdir dir_name2
dir2 = Dir.new(dir_name2)
begin
Dir.chdir(dir_name1) do
dir2.chdir { Dir.unlink dir_name1 }
end
Dir.pwd.should == @original
ensure
Dir.unlink dir_name1 if Dir.exist?(dir_name1)
Dir.unlink dir_name2 if Dir.exist?(dir_name2)
end
ensure
dir2.close
end
end
it "always returns to the original directory when given a block" do
dir = Dir.new(DirSpecs.mock_dir)
begin
dir.chdir do
raise StandardError, "something bad happened"
end
rescue StandardError
end
Dir.pwd.should == @original
ensure
dir.close
end
end
end
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