fakefs/test/fakefs_test.rb
2009-10-01 02:46:07 -04:00

977 lines
24 KiB
Ruby

$LOAD_PATH.unshift File.join(File.dirname(__FILE__), '..', 'lib')
require 'fakefs'
require 'test/unit'
class FakeFSTest < Test::Unit::TestCase
include FakeFS
def setup
FileSystem.clear
end
def test_can_be_initialized_empty
fs = FileSystem
assert_equal 0, fs.files.size
end
def xtest_can_be_initialized_with_an_existing_directory
fs = FileSystem
fs.clone(File.expand_path(File.dirname(__FILE__))).inspect
assert_equal 1, fs.files.size
end
def test_can_create_directories
FileUtils.mkdir_p("/path/to/dir")
assert_kind_of FakeDir, FileSystem.fs['path']['to']['dir']
end
def test_can_create_directories_with_mkpath
FileUtils.mkpath("/path/to/dir")
assert_kind_of FakeDir, FileSystem.fs['path']['to']['dir']
end
def test_can_delete_directories
FileUtils.mkdir_p("/path/to/dir")
FileUtils.rmdir("/path/to/dir")
assert File.exists?("/path/to/")
assert File.exists?("/path/to/dir") == false
end
def test_knows_directories_exist
FileUtils.mkdir_p(path = "/path/to/dir")
assert File.exists?(path)
end
def test_knows_directories_are_directories
FileUtils.mkdir_p(path = "/path/to/dir")
assert File.directory?(path)
end
def test_knows_symlink_directories_are_directories
FileUtils.mkdir_p(path = "/path/to/dir")
FileUtils.ln_s path, sympath = '/sympath'
assert File.directory?(sympath)
end
def test_knows_non_existent_directories_arent_directories
path = 'does/not/exist/'
assert_equal RealFile.directory?(path), File.directory?(path)
end
def test_doesnt_overwrite_existing_directories
FileUtils.mkdir_p(path = "/path/to/dir")
assert File.exists?(path)
FileUtils.mkdir_p("/path/to")
assert File.exists?(path)
end
def test_can_create_symlinks
FileUtils.mkdir_p(target = "/path/to/target")
FileUtils.ln_s(target, "/path/to/link")
assert_kind_of FakeSymlink, FileSystem.fs['path']['to']['link']
assert_raises(Errno::EEXIST) do
FileUtils.ln_s(target, '/path/to/link')
end
end
def test_can_follow_symlinks
FileUtils.mkdir_p(target = "/path/to/target")
FileUtils.ln_s(target, link = "/path/to/symlink")
assert_equal target, File.readlink(link)
end
def test_knows_symlinks_are_symlinks
FileUtils.mkdir_p(target = "/path/to/target")
FileUtils.ln_s(target, link = "/path/to/symlink")
assert File.symlink?(link)
end
def test_can_create_files
path = '/path/to/file.txt'
File.open(path, 'w') do |f|
f.write "Yatta!"
end
assert File.exists?(path)
end
def test_file_opens_in_read_only_mode
File.open("foo", "w") { |f| f << "foo" }
f = File.open("foo")
assert_raises(IOError) do
f << "bar"
end
end
def test_file_opens_in_invalid_mode
FileUtils.touch("foo")
assert_raises(ArgumentError) do
File.open("foo", "an_illegal_mode")
end
end
def test_raises_error_when_cannot_find_file_in_read_mode
assert_raises(Errno::ENOENT) do
File.open("does_not_exist", "r")
end
end
def test_raises_error_when_cannot_find_file_in_read_write_mode
assert_raises(Errno::ENOENT) do
File.open("does_not_exist", "r+")
end
end
def test_creates_files_in_write_only_mode
File.open("foo", "w")
assert File.exists?("foo")
end
def test_creates_files_in_read_write_truncate_mode
File.open("foo", "w+")
assert File.exists?("foo")
end
def test_creates_files_in_append_write_only
File.open("foo", "a")
assert File.exists?("foo")
end
def test_creates_files_in_append_read_write
File.open("foo", "a+")
assert File.exists?("foo")
end
def test_file_in_write_only_raises_error_when_reading
FileUtils.touch("foo")
f = File.open("foo", "w")
assert_raises(IOError) do
f.read
end
end
def test_file_in_write_mode_truncates_existing_file
File.open("foo", "w") { |f| f << "contents" }
f = File.open("foo", "w")
assert_equal "", File.read("foo")
end
def test_file_in_read_write_truncation_mode_truncates_file
File.open("foo", "w") { |f| f << "foo" }
f = File.open("foo", "w+")
assert_equal "", File.read("foo")
end
def test_file_in_append_write_only_raises_error_when_reading
FileUtils.touch("foo")
f = File.open("foo", "a")
assert_raises(IOError) do
f.read
end
end
def test_can_read_files_once_written
path = '/path/to/file.txt'
File.open(path, 'w') do |f|
f.write "Yatta!"
end
assert_equal "Yatta!", File.read(path)
end
def test_can_write_to_files
path = '/path/to/file.txt'
File.open(path, 'w') do |f|
f << 'Yada Yada'
end
assert_equal 'Yada Yada', File.read(path)
end
def test_can_get_size_of_files
path = '/path/to/file.txt'
File.open(path, 'w') do |f|
f << 'Yada Yada'
end
assert_equal 9, File.size(path)
end
def test_can_read_with_File_readlines
path = '/path/to/file.txt'
File.open(path, 'w') do |f|
f.puts "Yatta!", "Gatta!"
f.puts ["woot","toot"]
end
assert_equal %w(Yatta! Gatta! woot toot), File.readlines(path)
end
def test_File_close_disallows_further_access
path = '/path/to/file.txt'
file = File.open(path, 'w')
file.write 'Yada'
file.close
assert_raise IOError do
file.read
end
end
def test_can_read_from_file_objects
path = '/path/to/file.txt'
File.open(path, 'w') do |f|
f.write "Yatta!"
end
assert_equal "Yatta!", File.new(path).read
end
def test_file_read_errors_appropriately
assert_raise Errno::ENOENT do
File.read('anything')
end
end
def test_knows_files_are_files
path = '/path/to/file.txt'
File.open(path, 'w') do |f|
f.write "Yatta!"
end
assert File.file?(path)
end
def test_knows_symlink_files_are_files
path = '/path/to/file.txt'
File.open(path, 'w') do |f|
f.write "Yatta!"
end
FileUtils.ln_s path, sympath='/sympath'
assert File.file?(sympath)
end
def test_knows_non_existent_files_arent_files
assert_equal RealFile.file?('does/not/exist.txt'), File.file?('does/not/exist.txt')
end
def test_can_chown_files
good = 'file.txt'
bad = 'nofile.txt'
File.open(good,'w') { |f| f.write "foo" }
out = FileUtils.chown('noone', 'nogroup', good, :verbose => true)
assert_equal [good], out
assert_raises(Errno::ENOENT) do
FileUtils.chown('noone', 'nogroup', bad, :verbose => true)
end
assert_equal [good], FileUtils.chown('noone', 'nogroup', good)
assert_raises(Errno::ENOENT) do
FileUtils.chown('noone', 'nogroup', bad)
end
assert_equal [good], FileUtils.chown('noone', 'nogroup', [good])
assert_raises(Errno::ENOENT) do
FileUtils.chown('noone', 'nogroup', [good, bad])
end
end
def test_can_chown_R_files
FileUtils.mkdir_p '/path/'
File.open('/path/foo', 'w') { |f| f.write 'foo' }
File.open('/path/foobar', 'w') { |f| f.write 'foo' }
resp = FileUtils.chown_R('no', 'no', '/path')
assert_equal ['/path'], resp
end
def test_dir_globs_paths
FileUtils.mkdir_p '/path'
File.open('/path/foo', 'w') { |f| f.write 'foo' }
File.open('/path/foobar', 'w') { |f| f.write 'foo' }
FileUtils.mkdir_p '/path/bar'
File.open('/path/bar/baz', 'w') { |f| f.write 'foo' }
FileUtils.cp_r '/path/bar', '/path/bar2'
assert_equal ['/path'], Dir['/path']
assert_equal %w( /path/bar /path/bar2 /path/foo /path/foobar ), Dir['/path/*']
assert_equal ['/path/bar/baz'], Dir['/path/bar/*']
assert_equal ['/path/foo'], Dir['/path/foo']
assert_equal ['/path'], Dir['/path*']
assert_equal ['/path/foo', '/path/foobar'], Dir['/p*h/foo*']
assert_equal ['/path/foo', '/path/foobar'], Dir['/p??h/foo*']
FileUtils.cp_r '/path', '/otherpath'
assert_equal %w( /otherpath/foo /otherpath/foobar /path/foo /path/foobar ), Dir['/*/foo*']
end
def test_dir_glob_handles_root
FileUtils.mkdir_p '/path'
# this fails. the root dir should be named '/' but it is '.'
#assert_equal ['/'], Dir['/']
end
def test_chdir_changes_directories_like_a_boss
# I know memes!
FileUtils.mkdir_p '/path'
assert_equal '.', FileSystem.fs.name
assert_equal({}, FileSystem.fs['path'])
Dir.chdir '/path' do
File.open('foo', 'w') { |f| f.write 'foo'}
File.open('foobar', 'w') { |f| f.write 'foo'}
end
assert_equal '.', FileSystem.fs.name
assert_equal(['foo', 'foobar'], FileSystem.fs['path'].keys.sort)
c = nil
Dir.chdir '/path' do
c = File.open('foo', 'r') { |f| f.read }
end
assert_equal 'foo', c
end
def test_chdir_shouldnt_keep_us_from_absolute_paths
FileUtils.mkdir_p '/path'
Dir.chdir '/path' do
File.open('foo', 'w') { |f| f.write 'foo'}
File.open('/foobar', 'w') { |f| f.write 'foo'}
end
assert_equal ['foo'], FileSystem.fs['path'].keys.sort
assert_equal ['foobar', 'path'], FileSystem.fs.keys.sort
Dir.chdir '/path' do
FileUtils.rm('foo')
FileUtils.rm('/foobar')
end
assert_equal [], FileSystem.fs['path'].keys.sort
assert_equal ['path'], FileSystem.fs.keys.sort
end
def test_chdir_should_be_nestable
FileUtils.mkdir_p '/path/me'
Dir.chdir '/path' do
File.open('foo', 'w') { |f| f.write 'foo'}
Dir.chdir 'me' do
File.open('foobar', 'w') { |f| f.write 'foo'}
end
end
assert_equal ['foo','me'], FileSystem.fs['path'].keys.sort
assert_equal ['foobar'], FileSystem.fs['path']['me'].keys.sort
end
def test_chdir_should_flop_over_and_die_if_the_dir_doesnt_exist
assert_raise(Errno::ENOENT) do
Dir.chdir('/nope') do
1
end
end
end
def test_chdir_shouldnt_lose_state_because_of_errors
FileUtils.mkdir_p '/path'
Dir.chdir '/path' do
File.open('foo', 'w') { |f| f.write 'foo'}
File.open('foobar', 'w') { |f| f.write 'foo'}
end
begin
Dir.chdir('/path') do
raise Exception
end
rescue Exception # hardcore
end
Dir.chdir('/path') do
begin
Dir.chdir('nope'){ }
rescue Errno::ENOENT
end
assert_equal ['/path'], FileSystem.dir_levels
end
assert_equal(['foo', 'foobar'], FileSystem.fs['path'].keys.sort)
end
def test_chdir_with_no_block_is_awesome
FileUtils.mkdir_p '/path'
Dir.chdir('/path')
FileUtils.mkdir_p 'subdir'
assert_equal ['subdir'], FileSystem.current_dir.keys
Dir.chdir('subdir')
File.open('foo', 'w') { |f| f.write 'foo'}
assert_equal ['foo'], FileSystem.current_dir.keys
assert_raises(Errno::ENOENT) do
Dir.chdir('subsubdir')
end
assert_equal ['foo'], FileSystem.current_dir.keys
end
def test_current_dir_reflected_by_pwd
FileUtils.mkdir_p '/path'
Dir.chdir('/path')
assert_equal '/path', Dir.pwd
assert_equal '/path', Dir.getwd
FileUtils.mkdir_p 'subdir'
Dir.chdir('subdir')
assert_equal '/path/subdir', Dir.pwd
assert_equal '/path/subdir', Dir.getwd
end
def test_file_open_defaults_to_read
File.open('foo','w') { |f| f.write 'bar' }
assert_equal 'bar', File.open('foo') { |f| f.read }
end
def test_flush_exists_on_file
r = File.open('foo','w') { |f| f.write 'bar'; f.flush }
assert_equal 'foo', r.path
end
def test_mv_should_raise_error_on_missing_file
assert_raise(Errno::ENOENT) do
FileUtils.mv 'blafgag', 'foo'
end
end
def test_mv_actually_works
File.open('foo', 'w') { |f| f.write 'bar' }
FileUtils.mv 'foo', 'baz'
assert_equal 'bar', File.open('baz') { |f| f.read }
end
def test_cp_actually_works
File.open('foo', 'w') {|f| f.write 'bar' }
FileUtils.cp('foo', 'baz')
assert_equal 'bar', File.read('baz')
end
def test_cp_file_into_dir
File.open('foo', 'w') {|f| f.write 'bar' }
FileUtils.mkdir_p 'baz'
FileUtils.cp('foo', 'baz')
assert_equal 'bar', File.read('baz/foo')
end
def test_cp_overwrites_dest_file
File.open('foo', 'w') {|f| f.write 'FOO' }
File.open('bar', 'w') {|f| f.write 'BAR' }
FileUtils.cp('foo', 'bar')
assert_equal 'FOO', File.read('bar')
end
def test_cp_fails_on_no_source
assert_raise Errno::ENOENT do
FileUtils.cp('foo', 'baz')
end
end
def test_cp_fails_on_directory_copy
FileUtils.mkdir_p 'baz'
assert_raise Errno::EISDIR do
FileUtils.cp('baz', 'bar')
end
end
def test_cp_r_doesnt_tangle_files_together
File.open('foo', 'w') { |f| f.write 'bar' }
FileUtils.cp_r('foo', 'baz')
File.open('baz', 'w') { |f| f.write 'quux' }
assert_equal 'bar', File.open('foo') { |f| f.read }
end
def test_cp_r_should_raise_error_on_missing_file
# Yes, this error sucks, but it conforms to the original Ruby
# method.
assert_raise(RuntimeError) do
FileUtils.cp_r 'blafgag', 'foo'
end
end
def test_cp_r_handles_copying_directories
FileUtils.mkdir_p 'subdir'
Dir.chdir('subdir'){ File.open('foo', 'w') { |f| f.write 'footext' } }
FileUtils.mkdir_p 'baz'
# To a previously uncreated directory
FileUtils.cp_r('subdir', 'quux')
assert_equal 'footext', File.open('quux/foo') { |f| f.read }
# To a directory that already exists
FileUtils.cp_r('subdir', 'baz')
assert_equal 'footext', File.open('baz/subdir/foo') { |f| f.read }
# To a subdirectory of a directory that does not exist
assert_raises(Errno::ENOENT) do
FileUtils.cp_r('subdir', 'nope/something')
end
end
def test_cp_r_only_copies_into_directories
FileUtils.mkdir_p 'subdir'
Dir.chdir('subdir') { File.open('foo', 'w') { |f| f.write 'footext' } }
File.open('bar', 'w') { |f| f.write 'bartext' }
assert_raises(Errno::EEXIST) do
FileUtils.cp_r 'subdir', 'bar'
end
FileUtils.mkdir_p 'otherdir'
FileUtils.ln_s 'otherdir', 'symdir'
FileUtils.cp_r 'subdir', 'symdir'
assert_equal 'footext', File.open('symdir/subdir/foo') { |f| f.read }
end
def test_cp_r_sets_parent_correctly
FileUtils.mkdir_p '/path/foo'
File.open('/path/foo/bar', 'w') { |f| f.write 'foo' }
File.open('/path/foo/baz', 'w') { |f| f.write 'foo' }
FileUtils.cp_r '/path/foo', '/path/bar'
assert File.exists?('/path/bar/baz')
FileUtils.rm_rf '/path/bar/baz'
assert_equal %w( /path/bar/bar ), Dir['/path/bar/*']
end
def test_clone_clones_normal_files
RealFile.open(here('foo'), 'w') { |f| f.write 'bar' }
assert !File.exists?(here('foo'))
FileSystem.clone(here('foo'))
assert_equal 'bar', File.open(here('foo')) { |f| f.read }
ensure
RealFile.unlink(here('foo')) if RealFile.exists?(here('foo'))
end
def test_clone_clones_directories
RealFileUtils.mkdir_p(here('subdir'))
FileSystem.clone(here('subdir'))
assert File.exists?(here('subdir')), 'subdir was cloned'
assert File.directory?(here('subdir')), 'subdir is a directory'
ensure
RealFileUtils.rm_rf(here('subdir')) if RealFile.exists?(here('subdir'))
end
def test_clone_clones_dot_files_even_hard_to_find_ones
RealFileUtils.mkdir_p(here('subdir/.bar/baz/.quux/foo'))
assert !File.exists?(here('subdir'))
FileSystem.clone(here('subdir'))
assert_equal ['.bar'], FileSystem.find(here('subdir')).keys
assert_equal ['foo'], FileSystem.find(here('subdir/.bar/baz/.quux')).keys
ensure
RealFileUtils.rm_rf(here('subdir')) if RealFile.exists?(here('subdir'))
end
def test_putting_a_dot_at_end_copies_the_contents
FileUtils.mkdir_p 'subdir'
Dir.chdir('subdir') { File.open('foo', 'w') { |f| f.write 'footext' } }
FileUtils.mkdir_p 'newdir'
FileUtils.cp_r 'subdir/.', 'newdir'
assert_equal 'footext', File.open('newdir/foo') { |f| f.read }
end
def test_file_can_read_from_symlinks
File.open('first', 'w') { |f| f.write '1'}
FileUtils.ln_s 'first', 'one'
assert_equal '1', File.open('one') { |f| f.read }
FileUtils.mkdir_p 'subdir'
File.open('subdir/nother','w') { |f| f.write 'works' }
FileUtils.ln_s 'subdir', 'new'
assert_equal 'works', File.open('new/nother') { |f| f.read }
end
def test_can_symlink_through_file
FileUtils.touch("/foo")
File.symlink("/foo", "/bar")
assert File.symlink?("/bar")
end
def test_files_can_be_touched
FileUtils.touch('touched_file')
assert File.exists?('touched_file')
list = ['newfile', 'another']
FileUtils.touch(list)
list.each { |fp| assert(File.exists?(fp)) }
end
def test_touch_does_not_work_if_the_dir_path_cannot_be_found
assert_raises(Errno::ENOENT) do
FileUtils.touch('this/path/should/not/be/here')
end
FileUtils.mkdir_p('subdir')
list = ['subdir/foo', 'nosubdir/bar']
assert_raises(Errno::ENOENT) do
FileUtils.touch(list)
end
end
def test_extname
assert File.extname("test.doc") == ".doc"
end
# Directory tests
def test_new_directory
FileUtils.mkdir_p('/this/path/should/be/here')
assert_nothing_raised do
Dir.new('/this/path/should/be/here')
end
end
def test_new_directory_does_not_work_if_dir_path_cannot_be_found
assert_raises(Errno::ENOENT) do
Dir.new('/this/path/should/not/be/here')
end
end
def test_directory_close
FileUtils.mkdir_p('/this/path/should/be/here')
dir = Dir.new('/this/path/should/be/here')
assert dir.close.nil?
assert_raises(IOError) do
dir.each { |dir| dir }
end
end
def test_directory_each
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
dir = Dir.new('/this/path/should/be/here')
yielded = []
dir.each do |dir|
yielded << dir
end
assert yielded.size == test.size
test.each { |t| assert yielded.include?(t) }
end
def test_directory_path
FileUtils.mkdir_p('/this/path/should/be/here')
good_path = '/this/path/should/be/here'
assert_equal good_path, Dir.new('/this/path/should/be/here').path
end
def test_directory_pos
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
dir = Dir.new('/this/path/should/be/here')
assert dir.pos == 0
dir.read
assert dir.pos == 1
dir.read
assert dir.pos == 2
dir.read
assert dir.pos == 3
dir.read
assert dir.pos == 4
dir.read
assert dir.pos == 5
end
def test_directory_pos_assign
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
dir = Dir.new('/this/path/should/be/here')
assert dir.pos == 0
dir.pos = 2
assert dir.pos == 2
end
def test_directory_read
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
dir = Dir.new('/this/path/should/be/here')
assert dir.pos == 0
d = dir.read
assert dir.pos == 1
assert d == '.'
d = dir.read
assert dir.pos == 2
assert d == '..'
end
def test_directory_read_past_length
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
dir = Dir.new('/this/path/should/be/here')
d = dir.read
assert_not_nil d
d = dir.read
assert_not_nil d
d = dir.read
assert_not_nil d
d = dir.read
assert_not_nil d
d = dir.read
assert_not_nil d
d = dir.read
assert_not_nil d
d = dir.read
assert_not_nil d
d = dir.read
assert_nil d
end
def test_directory_rewind
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
dir = Dir.new('/this/path/should/be/here')
d = dir.read
d = dir.read
assert dir.pos == 2
dir.rewind
assert dir.pos == 0
end
def test_directory_seek
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
dir = Dir.new('/this/path/should/be/here')
d = dir.seek 1
assert d == '..'
assert dir.pos == 1
end
def test_directory_class_delete
FileUtils.mkdir_p('/this/path/should/be/here')
Dir.delete('/this/path/should/be/here')
assert File.exists?('/this/path/should/be/here') == false
end
def test_directory_class_delete_does_not_act_on_non_empty_directory
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
assert_raises(SystemCallError) do
Dir.delete('/this/path/should/be/here')
end
end
def test_directory_entries
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
yielded = Dir.entries('/this/path/should/be/here')
assert yielded.size == test.size
test.each { |t| assert yielded.include?(t) }
end
def test_directory_foreach
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
yielded = []
Dir.foreach('/this/path/should/be/here') do |dir|
yielded << dir
end
assert yielded.size == test.size
test.each { |t| assert yielded.include?(t) }
end
def test_directory_mkdir
Dir.mkdir('/path')
assert File.exists?('/path')
end
def test_directory_mkdir_relative
FileUtils.mkdir_p('/new/root')
FileSystem.chdir('/new/root')
Dir.mkdir('path')
assert File.exists?('/new/root/path')
end
def test_directory_mkdir_not_recursive
assert_raises(Errno::ENOENT) do
Dir.mkdir('/path/does/not/exist')
end
end
def test_directory_open
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
dir = Dir.open('/this/path/should/be/here')
assert dir.path == '/this/path/should/be/here'
end
def test_directory_open_block
test = ['.', '..', 'file_1', 'file_2', 'file_3', 'file_4', 'file_5' ]
FileUtils.mkdir_p('/this/path/should/be/here')
test.each do |f|
FileUtils.touch("/this/path/should/be/here/#{f}")
end
yielded = []
Dir.open('/this/path/should/be/here') do |dir|
yielded << dir
end
assert yielded.size == test.size
test.each { |t| assert yielded.include?(t) }
end
def test_tmpdir
assert Dir.tmpdir == "/tmp"
end
def test_hard_link_creates_file
FileUtils.touch("/foo")
File.link("/foo", "/bar")
assert File.exists?("/bar")
end
def test_hard_link_with_missing_file_raises_error
assert_raises(Errno::ENOENT) do
File.link("/foo", "/bar")
end
end
def test_hard_link_with_existing_destination_file
FileUtils.touch("/foo")
FileUtils.touch("/bar")
assert_raises(Errno::EEXIST) do
File.link("/foo", "/bar")
end
end
def test_hard_link_returns_0_when_successful
FileUtils.touch("/foo")
assert_equal 0, File.link("/foo", "/bar")
end
def test_hard_link_returns_duplicate_file
File.open("/foo", "w") { |x| x << "some content" }
File.link("/foo", "/bar")
assert_equal "some content", File.read("/bar")
end
def test_hard_link_with_directory_raises_error
Dir.mkdir "/foo"
assert_raises(Errno::EPERM) do
File.link("/foo", "/bar")
end
end
def test_file_stat_returns_file_stat_object
FileUtils.touch("/foo")
assert_equal File::Stat, File.stat("/foo").class
end
def here(fname)
RealFile.expand_path(RealFile.dirname(__FILE__)+'/'+fname)
end
end