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require 'spec_helper'
require 'mspec/guards'
require 'mspec/helpers'
describe Object, "#cp" do
before :each do
@source = tmp("source.txt")
@copy = tmp("copied.txt")
@contents = "This is a copy."
File.open(@source, "w") { |f| f.write @contents }
end
after :each do
File.delete @source if File.exist? @source
File.delete @copy if File.exist? @copy
end
it "copies a file" do
cp @source, @copy
data = IO.read(@copy)
data.should == @contents
data.should == IO.read(@source)
end
end
describe Object, "#touch" do
before :all do
@name = tmp("touched.txt")
end
after :each do
File.delete @name if File.exist? @name
end
it "creates a file" do
touch @name
File.exist?(@name).should be_true
end
it "accepts an optional mode argument" do
touch @name, "wb"
File.exist?(@name).should be_true
end
it "overwrites an existing file" do
File.open(@name, "w") { |f| f.puts "used" }
File.size(@name).should > 0
touch @name
File.size(@name).should == 0
end
it "yields the open file if passed a block" do
touch(@name) { |f| f.write "touching" }
IO.read(@name).should == "touching"
end
end
describe Object, "#touch" do
before :all do
@name = tmp("subdir/touched.txt")
end
after :each do
rm_r File.dirname(@name)
end
it "creates all the directories in the path to the file" do
touch @name
File.exist?(@name).should be_true
end
end
describe Object, "#mkdir_p" do
before :all do
@dir1 = tmp("/nested")
@dir2 = @dir1 + "/directory"
@paths = [ @dir2, @dir1 ]
end
after :each do
File.delete @dir1 if File.file? @dir1
@paths.each { |path| Dir.rmdir path if File.directory? path }
end
it "creates all the directories in a path" do
mkdir_p @dir2
File.directory?(@dir2).should be_true
end
it "raises an ArgumentError if a path component is a file" do
File.open(@dir1, "w") { |f| }
lambda { mkdir_p @dir2 }.should raise_error(ArgumentError)
end
end
describe Object, "#rm_r" do
before :all do
@topdir = tmp("rm_r_tree")
@topfile = @topdir + "/file.txt"
@link = @topdir + "/file.lnk"
@socket = @topdir + "/socket.sck"
@subdir1 = @topdir + "/subdir1"
@subdir2 = @subdir1 + "/subdir2"
@subfile = @subdir1 + "/subfile.txt"
end
before :each do
mkdir_p @subdir2
touch @topfile
touch @subfile
end
after :each do
File.delete @link if File.exist? @link or File.symlink? @link
File.delete @socket if File.exist? @socket
File.delete @subfile if File.exist? @subfile
File.delete @topfile if File.exist? @topfile
Dir.rmdir @subdir2 if File.directory? @subdir2
Dir.rmdir @subdir1 if File.directory? @subdir1
Dir.rmdir @topdir if File.directory? @topdir
end
it "raises an ArgumentError if the path is not prefixed by MSPEC_RM_PREFIX" do
lambda { rm_r "some_file.txt" }.should raise_error(ArgumentError)
end
it "removes a single file" do
rm_r @subfile
File.exist?(@subfile).should be_false
end
it "removes multiple files" do
rm_r @topfile, @subfile
File.exist?(@topfile).should be_false
File.exist?(@subfile).should be_false
end
platform_is_not :windows do
it "removes a symlink to a file" do
File.symlink @topfile, @link
rm_r @link
File.exist?(@link).should be_false
end
it "removes a symlink to a directory" do
File.symlink @subdir1, @link
rm_r @link
lambda do
File.lstat(@link)
end.should raise_error(Errno::ENOENT)
File.exist?(@subdir1).should be_true
end
it "removes a dangling symlink" do
File.symlink "non_existent_file", @link
rm_r @link
lambda do
File.lstat(@link)
end.should raise_error(Errno::ENOENT)
end
it "removes a socket" do
require 'socket'
UNIXServer.new(@socket).close
rm_r @socket
File.exist?(@socket).should be_false
end
end
it "removes a single directory" do
rm_r @subdir2
File.directory?(@subdir2).should be_false
end
it "recursively removes a directory tree" do
rm_r @topdir
File.directory?(@topdir).should be_false
end
end
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