ruby/test/dbm/test_dbm.rb

632 строки
15 KiB
Ruby

require 'test/unit'
require 'tmpdir'
begin
require 'dbm'
rescue LoadError
end
if defined? DBM
require 'tmpdir'
require 'fileutils'
class TestDBM_RDONLY < Test::Unit::TestCase
def TestDBM_RDONLY.uname_s
require 'rbconfig'
case RbConfig::CONFIG['target_os']
when 'cygwin'
require 'etc'
Etc.uname[:sysname]
else
RbConfig::CONFIG['target_os']
end
end
SYSTEM = uname_s
def setup
@tmpdir = Dir.mktmpdir("tmptest_dbm")
@prefix = "tmptest_dbm_#{$$}"
@path = "#{@tmpdir}/#{@prefix}_"
# prepare to make readonly DBM file
DBM.open("#{@tmpdir}/#{@prefix}_rdonly") {|dbm|
dbm['foo'] = 'FOO'
}
File.chmod(0400, *Dir.glob("#{@tmpdir}/#{@prefix}_rdonly.*"))
assert_instance_of(DBM, @dbm_rdonly = DBM.new("#{@tmpdir}/#{@prefix}_rdonly", nil))
end
def teardown
assert_nil(@dbm_rdonly.close)
ObjectSpace.each_object(DBM) do |obj|
obj.close unless obj.closed?
end
FileUtils.remove_entry_secure @tmpdir
end
def test_delete_rdonly
if /^CYGWIN_9/ !~ SYSTEM
assert_raise(DBMError) {
@dbm_rdonly.delete("foo")
}
assert_nil(@dbm_rdonly.delete("bar"))
end
end
def test_fetch_not_found
notfound = nil
result = Object.new
assert_same(result, @dbm_rdonly.fetch("bar") {|k| notfound = k; result})
assert_equal("bar", notfound)
assert_predicate(notfound, :tainted?)
end
end
class TestDBM < Test::Unit::TestCase
def setup
@tmpdir = Dir.mktmpdir("tmptest_dbm")
@prefix = "tmptest_dbm_#{$$}"
@path = "#{@tmpdir}/#{@prefix}_"
assert_instance_of(DBM, @dbm = DBM.new(@path))
end
def teardown
assert_nil(@dbm.close) unless @dbm.closed?
ObjectSpace.each_object(DBM) do |obj|
obj.close unless obj.closed?
end
FileUtils.remove_entry_secure @tmpdir
end
def check_size(expect, dbm=@dbm)
assert_equal(expect, dbm.size)
n = 0
dbm.each { n+=1 }
assert_equal(expect, n)
if expect == 0
assert_equal(true, dbm.empty?)
else
assert_equal(false, dbm.empty?)
end
end
def test_dbmfile_suffix
@dbm.close
prefix = File.basename(@path)
suffixes = Dir.entries(@tmpdir).grep(/\A#{Regexp.escape prefix}/) { $' }.sort
pagname = "#{@path}.pag"
dirname = "#{@path}.dir"
dbname = "#{@path}.db"
case DBM::VERSION
when /\bNDBM\b/
assert_equal(%w[.dir .pag], suffixes)
assert(File.zero?(pagname))
assert(File.zero?(dirname))
when /\bGDBM\b/
assert_equal(%w[.dir .pag], suffixes)
assert(!File.zero?(pagname))
assert(!File.zero?(dirname))
pag = File.binread(pagname, 16)
pag_magics = [
0x13579ace, # GDBM_OMAGIC
0x13579acd, # GDBM_MAGIC32
0x13579acf, # GDBM_MAGIC64
]
assert_operator(pag_magics, :include?,
pag.unpack("i")[0]) # native endian, native int.
if !File.identical?(pagname, dirname)
dir = File.binread(dirname, 16)
assert_equal("GDBM", dir[0, 4])
end
when /\bBerkeley DB\b/
assert_equal(%w[.db], suffixes)
assert(!File.zero?(dbname))
db = File.binread(dbname, 16)
assert(db[0,4].unpack("N") == [0x00061561] || # Berkeley DB 1
db[12,4].unpack("L") == [0x00061561]) # Berkeley DBM 2 or later.
when /\bQDBM\b/
assert_equal(%w[.dir .pag], suffixes)
assert(!File.zero?(pagname))
assert(!File.zero?(dirname))
dir = File.binread(dirname, 16)
assert_equal("[depot]\0\v", dir[0, 9])
pag = File.binread(pagname, 16)
if [1].pack("s") == "\x00\x01" # big endian
assert_equal("[DEPOT]\n\f", pag[0, 9])
else # little endian
assert_equal("[depot]\n\f", pag[0, 9])
end
end
if suffixes == %w[.db]
assert_match(/\bBerkeley DB\b/, DBM::VERSION)
end
end
def test_s_new_has_no_block
# DBM.new ignore the block
foo = true
assert_instance_of(DBM, dbm = DBM.new("#{@tmpdir}/#{@prefix}") { foo = false })
assert_equal(foo, true)
assert_nil(dbm.close)
end
def test_s_open_no_create
skip "dbm_open() is broken on libgdbm 1.8.0 or prior (#{DBM::VERSION})" if /GDBM version 1\.(?:[0-7]\b|8\.0)/ =~ DBM::VERSION
assert_nil(dbm = DBM.open("#{@tmpdir}/#{@prefix}", nil))
ensure
dbm.close if dbm
end
def test_s_open_with_block
assert_equal(DBM.open("#{@tmpdir}/#{@prefix}") { :foo }, :foo)
end
def test_close
assert_instance_of(DBM, dbm = DBM.open("#{@tmpdir}/#{@prefix}"))
assert_nil(dbm.close)
# closed DBM file
assert_raise(DBMError) { dbm.close }
end
def test_aref
assert_equal('bar', @dbm['foo'] = 'bar')
assert_equal('bar', @dbm['foo'])
assert_nil(@dbm['bar'])
end
def test_fetch
assert_equal('bar', @dbm['foo']='bar')
assert_equal('bar', @dbm.fetch('foo'))
# key not found
assert_raise(IndexError) {
@dbm.fetch('bar')
}
# test for `ifnone' arg
assert_equal('baz', @dbm.fetch('bar', 'baz'))
# test for `ifnone' block
assert_equal('foobar', @dbm.fetch('bar') {|key| 'foo' + key })
end
def test_aset
num = 0
2.times {|i|
assert_equal('foo', @dbm['foo'] = 'foo')
assert_equal('foo', @dbm['foo'])
assert_equal('bar', @dbm['foo'] = 'bar')
assert_equal('bar', @dbm['foo'])
num += 1 if i == 0
assert_equal(num, @dbm.size)
# assign nil
assert_equal('', @dbm['bar'] = '')
assert_equal('', @dbm['bar'])
num += 1 if i == 0
assert_equal(num, @dbm.size)
# empty string
assert_equal('', @dbm[''] = '')
assert_equal('', @dbm[''])
num += 1 if i == 0
assert_equal(num, @dbm.size)
# Fixnum
assert_equal('200', @dbm['100'] = '200')
assert_equal('200', @dbm['100'])
num += 1 if i == 0
assert_equal(num, @dbm.size)
# Big key and value
assert_equal('y' * 100, @dbm['x' * 100] = 'y' * 100)
assert_equal('y' * 100, @dbm['x' * 100])
num += 1 if i == 0
assert_equal(num, @dbm.size)
}
end
def test_key
assert_equal('bar', @dbm['foo'] = 'bar')
assert_equal('foo', @dbm.key('bar'))
assert_nil(@dbm['bar'])
end
def test_values_at
keys = %w(foo bar baz)
values = %w(FOO BAR BAZ)
@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
assert_equal(values.reverse, @dbm.values_at(*keys.reverse))
end
def test_select_with_block
keys = %w(foo bar baz)
values = %w(FOO BAR BAZ)
@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
ret = @dbm.select {|k,v|
assert_equal(k.upcase, v)
k != "bar"
}
assert_equal([['baz', 'BAZ'], ['foo', 'FOO']],
ret.sort)
end
def test_length
num = 10
assert_equal(0, @dbm.size)
num.times {|i|
i = i.to_s
@dbm[i] = i
}
assert_equal(num, @dbm.size)
@dbm.shift
assert_equal(num - 1, @dbm.size)
end
def test_empty?
assert_equal(true, @dbm.empty?)
@dbm['foo'] = 'FOO'
assert_equal(false, @dbm.empty?)
end
def test_each_pair
n = 0
@dbm.each_pair { n += 1 }
assert_equal(0, n)
keys = %w(foo bar baz)
values = %w(FOO BAR BAZ)
@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
n = 0
ret = @dbm.each_pair {|key, val|
assert_not_nil(i = keys.index(key))
assert_equal(val, values[i])
n += 1
}
assert_equal(keys.size, n)
assert_equal(@dbm, ret)
end
def test_each_value
n = 0
@dbm.each_value { n += 1 }
assert_equal(0, n)
keys = %w(foo bar baz)
values = %w(FOO BAR BAZ)
@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
n = 0
ret = @dbm.each_value {|val|
assert_not_nil(key = @dbm.key(val))
assert_not_nil(i = keys.index(key))
assert_equal(val, values[i])
n += 1
}
assert_equal(keys.size, n)
assert_equal(@dbm, ret)
end
def test_each_key
n = 0
@dbm.each_key { n += 1 }
assert_equal(0, n)
keys = %w(foo bar baz)
values = %w(FOO BAR BAZ)
@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
n = 0
ret = @dbm.each_key {|key|
assert_not_nil(i = keys.index(key))
assert_equal(@dbm[key], values[i])
n += 1
}
assert_equal(keys.size, n)
assert_equal(@dbm, ret)
end
def test_keys
assert_equal([], @dbm.keys)
keys = %w(foo bar baz)
values = %w(FOO BAR BAZ)
@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
assert_equal(keys.sort, @dbm.keys.sort)
assert_equal(values.sort, @dbm.values.sort)
end
def test_values
test_keys
end
def test_shift
assert_nil(@dbm.shift)
assert_equal(0, @dbm.size)
keys = %w(foo bar baz)
values = %w(FOO BAR BAZ)
@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
ret_keys = []
ret_values = []
while ret = @dbm.shift
ret_keys.push ret[0]
ret_values.push ret[1]
assert_equal(keys.size - ret_keys.size, @dbm.size)
end
assert_equal(keys.sort, ret_keys.sort)
assert_equal(values.sort, ret_values.sort)
end
def test_delete
keys = %w(foo bar baz)
values = %w(FOO BAR BAZ)
key = keys[1]
assert_nil(@dbm.delete(key))
assert_equal(0, @dbm.size)
@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
assert_equal('BAR', @dbm.delete(key))
assert_nil(@dbm[key])
assert_equal(2, @dbm.size)
assert_nil(@dbm.delete(key))
end
def test_delete_with_block
key = 'no called block'
@dbm[key] = 'foo'
assert_equal('foo', @dbm.delete(key) {|k| k.replace 'called block'; :blockval})
assert_equal(0, @dbm.size)
key = 'no called block'
assert_equal(:blockval, @dbm.delete(key) {|k| k.replace 'called block'; :blockval})
assert_equal(0, @dbm.size)
end
def test_delete_if
v = "0"
100.times {@dbm[v] = v; v = v.next}
ret = @dbm.delete_if {|key, val| key.to_i < 50}
assert_equal(@dbm, ret)
check_size(50, @dbm)
ret = @dbm.delete_if {|key, val| key.to_i >= 50}
assert_equal(@dbm, ret)
check_size(0, @dbm)
# break
v = "0"
100.times {@dbm[v] = v; v = v.next}
check_size(100, @dbm)
n = 0;
@dbm.delete_if {|key, val|
break if n > 50
n+=1
true
}
assert_equal(51, n)
check_size(49, @dbm)
@dbm.clear
# raise
v = "0"
100.times {@dbm[v] = v; v = v.next}
check_size(100, @dbm)
n = 0;
begin
@dbm.delete_if {|key, val|
raise "runtime error" if n > 50
n+=1
true
}
rescue RuntimeError
end
assert_equal(51, n)
check_size(49, @dbm)
end
def test_reject
v = "0"
100.times {@dbm[v] = v; v = v.next}
hash = @dbm.reject {|key, val| key.to_i < 50}
assert_instance_of(Hash, hash)
assert_equal(100, @dbm.size)
assert_equal(50, hash.size)
hash.each_pair {|key,val|
assert_equal(false, key.to_i < 50)
assert_equal(key, val)
}
hash = @dbm.reject {|key, val| key.to_i < 100}
assert_instance_of(Hash, hash)
assert_equal(true, hash.empty?)
end
def test_clear
v = "1"
100.times {v = v.next; @dbm[v] = v}
assert_equal(@dbm, @dbm.clear)
# validate DBM#size
i = 0
@dbm.each { i += 1 }
assert_equal(@dbm.size, i)
assert_equal(0, i)
end
def test_invert
v = "0"
100.times {@dbm[v] = v; v = v.next}
hash = @dbm.invert
assert_instance_of(Hash, hash)
assert_equal(100, hash.size)
hash.each_pair {|key, val|
assert_equal(key.to_i, val.to_i)
}
end
def test_update
hash = {}
v = "0"
100.times {v = v.next; hash[v] = v}
@dbm["101"] = "101"
@dbm.update hash
assert_equal(101, @dbm.size)
@dbm.each_pair {|key, val|
assert_equal(key.to_i, val.to_i)
}
end
def test_replace
hash = {}
v = "0"
100.times {v = v.next; hash[v] = v}
@dbm["101"] = "101"
@dbm.replace hash
assert_equal(100, @dbm.size)
@dbm.each_pair {|key, val|
assert_equal(key.to_i, val.to_i)
}
end
def test_haskey?
assert_equal('bar', @dbm['foo']='bar')
assert_equal(true, @dbm.has_key?('foo'))
assert_equal(false, @dbm.has_key?('bar'))
end
def test_has_value?
assert_equal('bar', @dbm['foo']='bar')
assert_equal(true, @dbm.has_value?('bar'))
assert_equal(false, @dbm.has_value?('foo'))
end
def test_to_a
v = "0"
100.times {v = v.next; @dbm[v] = v}
ary = @dbm.to_a
assert_instance_of(Array, ary)
assert_equal(100, ary.size)
ary.each {|key,val|
assert_equal(key.to_i, val.to_i)
}
end
def test_to_hash
v = "0"
100.times {v = v.next; @dbm[v] = v}
hash = @dbm.to_hash
assert_instance_of(Hash, hash)
assert_equal(100, hash.size)
hash.each {|key,val|
assert_equal(key.to_i, val.to_i)
}
end
end
class TestDBM2 < Test::Unit::TestCase
def setup
@tmproot = Dir.mktmpdir('ruby-dbm')
end
def teardown
FileUtils.remove_entry_secure @tmproot if File.directory?(@tmproot)
end
def test_version
assert_instance_of(String, DBM::VERSION)
end
def test_reader_open_notexist
assert_raise(Errno::ENOENT) {
DBM.open("#{@tmproot}/a", 0666, DBM::READER)
}
end
def test_writer_open_notexist
skip "dbm_open() is broken on libgdbm 1.8.0 or prior (#{DBM::VERSION})" if /GDBM version 1\.(?:[0-7]\b|8\.0)/ =~ DBM::VERSION
assert_raise(Errno::ENOENT) {
DBM.open("#{@tmproot}/a", 0666, DBM::WRITER)
}
end
def test_wrcreat_open_notexist
v = DBM.open("#{@tmproot}/a", 0666, DBM::WRCREAT)
assert_instance_of(DBM, v)
v.close
end
def test_newdb_open_notexist
v = DBM.open("#{@tmproot}/a", 0666, DBM::NEWDB)
assert_instance_of(DBM, v)
v.close
end
def test_reader_open
DBM.open("#{@tmproot}/a") {} # create a db.
v = DBM.open("#{@tmproot}/a", nil, DBM::READER) {|d|
# Errno::EPERM is raised on Solaris which use ndbm.
# DBMError is raised on Debian which use gdbm.
assert_raise(Errno::EPERM, DBMError) { d["k"] = "v" }
true
}
assert(v)
end
def test_newdb_open
DBM.open("#{@tmproot}/a") {|dbm|
dbm["k"] = "v"
}
v = DBM.open("#{@tmproot}/a", nil, DBM::NEWDB) {|d|
assert_equal(0, d.length)
assert_nil(d["k"])
true
}
assert(v)
end
def test_freeze
DBM.open("#{@tmproot}/a") {|d|
d.freeze
assert_raise(RuntimeError) { d["k"] = "v" }
}
end
end
end