560 lines
13 KiB
Ruby
560 lines
13 KiB
Ruby
require 'test/unit'
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require 'tmpdir'
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begin
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require 'dbm'
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rescue LoadError
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end
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if defined? DBM
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require 'tmpdir'
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require 'fileutils'
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class TestDBM < Test::Unit::TestCase
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def TestDBM.uname_s
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require 'rbconfig'
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case RbConfig::CONFIG['target_os']
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when 'cygwin'
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require 'Win32API'
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uname = Win32API.new('cygwin1', 'uname', 'P', 'I')
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utsname = ' ' * 100
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raise 'cannot get system name' if uname.call(utsname) == -1
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utsname.unpack('A20' * 5)[0]
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else
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RbConfig::CONFIG['target_os']
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end
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end
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SYSTEM = uname_s
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def setup
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@tmpdir = Dir.mktmpdir("tmptest_dbm")
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@prefix = "tmptest_dbm_#{$$}"
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@path = "#{@tmpdir}/#{@prefix}_"
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assert_instance_of(DBM, @dbm = DBM.new(@path))
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# prepare to make readonly DBM file
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DBM.open("#{@tmpdir}/#{@prefix}_rdonly") {|dbm|
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dbm['foo'] = 'FOO'
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}
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File.chmod(0400, *Dir.glob("#{@tmpdir}/#{@prefix}_rdonly.*"))
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assert_instance_of(DBM, @dbm_rdonly = DBM.new("#{@tmpdir}/#{@prefix}_rdonly", nil))
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end
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def teardown
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assert_nil(@dbm.close)
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assert_nil(@dbm_rdonly.close)
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ObjectSpace.each_object(DBM) do |obj|
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obj.close unless obj.closed?
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end
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FileUtils.remove_entry_secure @tmpdir
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end
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def check_size(expect, dbm=@dbm)
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assert_equal(expect, dbm.size)
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n = 0
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dbm.each { n+=1 }
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assert_equal(expect, n)
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if expect == 0
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assert_equal(true, dbm.empty?)
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else
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assert_equal(false, dbm.empty?)
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end
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end
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def have_fork?
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begin
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fork{}
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true
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rescue NotImplementedError
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false
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end
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end
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def test_s_new_has_no_block
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# DBM.new ignore the block
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foo = true
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assert_instance_of(DBM, dbm = DBM.new("#{@tmpdir}/#{@prefix}") { foo = false })
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assert_equal(foo, true)
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assert_nil(dbm.close)
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end
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def test_s_open_no_create
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assert_nil(dbm = DBM.open("#{@tmpdir}/#{@prefix}", nil))
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ensure
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dbm.close if dbm
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end
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def test_s_open_with_block
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assert_equal(DBM.open("#{@tmpdir}/#{@prefix}") { :foo }, :foo)
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end
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def test_close
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assert_instance_of(DBM, dbm = DBM.open("#{@tmpdir}/#{@prefix}"))
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assert_nil(dbm.close)
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# closed DBM file
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assert_raise(DBMError) { dbm.close }
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end
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def test_aref
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assert_equal('bar', @dbm['foo'] = 'bar')
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assert_equal('bar', @dbm['foo'])
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assert_nil(@dbm['bar'])
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end
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def test_fetch
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assert_equal('bar', @dbm['foo']='bar')
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assert_equal('bar', @dbm.fetch('foo'))
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# key not found
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assert_raise(IndexError) {
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@dbm.fetch('bar')
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}
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# test for `ifnone' arg
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assert_equal('baz', @dbm.fetch('bar', 'baz'))
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# test for `ifnone' block
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assert_equal('foobar', @dbm.fetch('bar') {|key| 'foo' + key })
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end
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def test_aset
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num = 0
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2.times {|i|
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assert_equal('foo', @dbm['foo'] = 'foo')
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assert_equal('foo', @dbm['foo'])
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assert_equal('bar', @dbm['foo'] = 'bar')
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assert_equal('bar', @dbm['foo'])
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num += 1 if i == 0
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assert_equal(num, @dbm.size)
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# assign nil
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assert_equal('', @dbm['bar'] = '')
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assert_equal('', @dbm['bar'])
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num += 1 if i == 0
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assert_equal(num, @dbm.size)
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# empty string
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assert_equal('', @dbm[''] = '')
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assert_equal('', @dbm[''])
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num += 1 if i == 0
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assert_equal(num, @dbm.size)
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# Fixnum
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assert_equal('200', @dbm['100'] = '200')
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assert_equal('200', @dbm['100'])
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num += 1 if i == 0
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assert_equal(num, @dbm.size)
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# Big key and value
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assert_equal('y' * 100, @dbm['x' * 100] = 'y' * 100)
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assert_equal('y' * 100, @dbm['x' * 100])
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num += 1 if i == 0
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assert_equal(num, @dbm.size)
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}
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end
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def test_key
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assert_equal('bar', @dbm['foo'] = 'bar')
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assert_equal('foo', @dbm.key('bar'))
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assert_nil(@dbm['bar'])
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end
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def test_values_at
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keys = %w(foo bar baz)
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values = %w(FOO BAR BAZ)
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@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
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assert_equal(values.reverse, @dbm.values_at(*keys.reverse))
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end
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def test_select_with_block
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keys = %w(foo bar baz)
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values = %w(FOO BAR BAZ)
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@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
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ret = @dbm.select {|k,v|
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assert_equal(k.upcase, v)
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k != "bar"
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}
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assert_equal([['baz', 'BAZ'], ['foo', 'FOO']],
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ret.sort)
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end
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def test_length
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num = 10
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assert_equal(0, @dbm.size)
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num.times {|i|
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i = i.to_s
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@dbm[i] = i
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}
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assert_equal(num, @dbm.size)
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@dbm.shift
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assert_equal(num - 1, @dbm.size)
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end
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def test_empty?
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assert_equal(true, @dbm.empty?)
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@dbm['foo'] = 'FOO'
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assert_equal(false, @dbm.empty?)
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end
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def test_each_pair
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n = 0
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@dbm.each_pair { n += 1 }
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assert_equal(0, n)
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keys = %w(foo bar baz)
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values = %w(FOO BAR BAZ)
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@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
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n = 0
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ret = @dbm.each_pair {|key, val|
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assert_not_nil(i = keys.index(key))
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assert_equal(val, values[i])
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n += 1
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}
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assert_equal(keys.size, n)
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assert_equal(@dbm, ret)
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end
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def test_each_value
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n = 0
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@dbm.each_value { n += 1 }
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assert_equal(0, n)
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keys = %w(foo bar baz)
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values = %w(FOO BAR BAZ)
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@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
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n = 0
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ret = @dbm.each_value {|val|
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assert_not_nil(key = @dbm.key(val))
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assert_not_nil(i = keys.index(key))
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assert_equal(val, values[i])
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n += 1
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}
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assert_equal(keys.size, n)
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assert_equal(@dbm, ret)
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end
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def test_each_key
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n = 0
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@dbm.each_key { n += 1 }
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assert_equal(0, n)
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keys = %w(foo bar baz)
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values = %w(FOO BAR BAZ)
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@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
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n = 0
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ret = @dbm.each_key {|key|
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assert_not_nil(i = keys.index(key))
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assert_equal(@dbm[key], values[i])
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n += 1
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}
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assert_equal(keys.size, n)
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assert_equal(@dbm, ret)
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end
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def test_keys
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assert_equal([], @dbm.keys)
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keys = %w(foo bar baz)
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values = %w(FOO BAR BAZ)
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@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
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assert_equal(keys.sort, @dbm.keys.sort)
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assert_equal(values.sort, @dbm.values.sort)
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end
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def test_values
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test_keys
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end
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def test_shift
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assert_nil(@dbm.shift)
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assert_equal(0, @dbm.size)
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keys = %w(foo bar baz)
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values = %w(FOO BAR BAZ)
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@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
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ret_keys = []
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ret_values = []
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while ret = @dbm.shift
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ret_keys.push ret[0]
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ret_values.push ret[1]
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assert_equal(keys.size - ret_keys.size, @dbm.size)
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end
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assert_equal(keys.sort, ret_keys.sort)
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assert_equal(values.sort, ret_values.sort)
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end
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def test_delete
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keys = %w(foo bar baz)
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values = %w(FOO BAR BAZ)
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key = keys[1]
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assert_nil(@dbm.delete(key))
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assert_equal(0, @dbm.size)
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@dbm[keys[0]], @dbm[keys[1]], @dbm[keys[2]] = values
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assert_equal('BAR', @dbm.delete(key))
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assert_nil(@dbm[key])
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assert_equal(2, @dbm.size)
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assert_nil(@dbm.delete(key))
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if /^CYGWIN_9/ !~ SYSTEM
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assert_raise(DBMError) {
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@dbm_rdonly.delete("foo")
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}
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assert_nil(@dbm_rdonly.delete("bar"))
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end
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end
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def test_delete_with_block
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key = 'no called block'
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@dbm[key] = 'foo'
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assert_equal('foo', @dbm.delete(key) {|k| k.replace 'called block'; :blockval})
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assert_equal(0, @dbm.size)
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key = 'no called block'
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assert_equal(:blockval, @dbm.delete(key) {|k| k.replace 'called block'; :blockval})
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assert_equal(0, @dbm.size)
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end
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def test_delete_if
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v = "0"
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100.times {@dbm[v] = v; v = v.next}
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ret = @dbm.delete_if {|key, val| key.to_i < 50}
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assert_equal(@dbm, ret)
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check_size(50, @dbm)
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ret = @dbm.delete_if {|key, val| key.to_i >= 50}
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assert_equal(@dbm, ret)
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check_size(0, @dbm)
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# break
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v = "0"
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100.times {@dbm[v] = v; v = v.next}
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check_size(100, @dbm)
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n = 0;
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@dbm.delete_if {|key, val|
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break if n > 50
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n+=1
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true
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}
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assert_equal(51, n)
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check_size(49, @dbm)
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@dbm.clear
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# raise
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v = "0"
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100.times {@dbm[v] = v; v = v.next}
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check_size(100, @dbm)
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n = 0;
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begin
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@dbm.delete_if {|key, val|
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raise "runtime error" if n > 50
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n+=1
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true
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}
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rescue
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end
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assert_equal(51, n)
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check_size(49, @dbm)
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end
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def test_reject
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v = "0"
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100.times {@dbm[v] = v; v = v.next}
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hash = @dbm.reject {|key, val| key.to_i < 50}
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assert_instance_of(Hash, hash)
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assert_equal(100, @dbm.size)
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assert_equal(50, hash.size)
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hash.each_pair {|key,val|
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assert_equal(false, key.to_i < 50)
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assert_equal(key, val)
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}
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hash = @dbm.reject {|key, val| key.to_i < 100}
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assert_instance_of(Hash, hash)
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assert_equal(true, hash.empty?)
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end
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def test_clear
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v = "1"
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100.times {v = v.next; @dbm[v] = v}
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assert_equal(@dbm, @dbm.clear)
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# validate DBM#size
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i = 0
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@dbm.each { i += 1 }
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assert_equal(@dbm.size, i)
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assert_equal(0, i)
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end
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def test_invert
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v = "0"
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100.times {@dbm[v] = v; v = v.next}
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hash = @dbm.invert
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assert_instance_of(Hash, hash)
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assert_equal(100, hash.size)
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hash.each_pair {|key, val|
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assert_equal(key.to_i, val.to_i)
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}
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end
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def test_update
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hash = {}
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v = "0"
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100.times {v = v.next; hash[v] = v}
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@dbm["101"] = "101"
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@dbm.update hash
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assert_equal(101, @dbm.size)
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@dbm.each_pair {|key, val|
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assert_equal(key.to_i, val.to_i)
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}
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end
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def test_replace
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hash = {}
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v = "0"
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100.times {v = v.next; hash[v] = v}
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@dbm["101"] = "101"
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@dbm.replace hash
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assert_equal(100, @dbm.size)
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@dbm.each_pair {|key, val|
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assert_equal(key.to_i, val.to_i)
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}
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end
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def test_haskey?
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assert_equal('bar', @dbm['foo']='bar')
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assert_equal(true, @dbm.has_key?('foo'))
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assert_equal(false, @dbm.has_key?('bar'))
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end
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def test_has_value?
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assert_equal('bar', @dbm['foo']='bar')
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assert_equal(true, @dbm.has_value?('bar'))
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assert_equal(false, @dbm.has_value?('foo'))
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end
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def test_to_a
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v = "0"
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100.times {v = v.next; @dbm[v] = v}
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ary = @dbm.to_a
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assert_instance_of(Array, ary)
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assert_equal(100, ary.size)
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ary.each {|key,val|
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assert_equal(key.to_i, val.to_i)
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}
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end
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def test_to_hash
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v = "0"
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100.times {v = v.next; @dbm[v] = v}
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hash = @dbm.to_hash
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assert_instance_of(Hash, hash)
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assert_equal(100, hash.size)
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hash.each {|key,val|
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assert_equal(key.to_i, val.to_i)
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}
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end
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end
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class TestDBM2 < Test::Unit::TestCase
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def setup
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@tmproot = Dir.mktmpdir('ruby-dbm')
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end
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def teardown
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FileUtils.remove_entry_secure @tmproot if File.directory?(@tmproot)
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end
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def test_reader_open_notexist
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assert_raise(Errno::ENOENT) {
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DBM.open("#{@tmproot}/a", 0666, DBM::READER)
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}
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end
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def test_writer_open_notexist
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assert_raise(Errno::ENOENT) {
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DBM.open("#{@tmproot}/a", 0666, DBM::WRITER)
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}
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end
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def test_wrcreat_open_notexist
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v = DBM.open("#{@tmproot}/a", 0666, DBM::WRCREAT)
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assert_instance_of(DBM, v)
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v.close
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end
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def test_newdb_open_notexist
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v = DBM.open("#{@tmproot}/a", 0666, DBM::NEWDB)
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assert_instance_of(DBM, v)
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v.close
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end
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def test_reader_open
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DBM.open("#{@tmproot}/a") {} # create a db.
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v = DBM.open("#{@tmproot}/a", nil, DBM::READER) {|d|
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# Errno::EPERM is raised on Solaris which use ndbm.
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# DBMError is raised on Debian which use gdbm.
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assert_raise(Errno::EPERM, DBMError) { d["k"] = "v" }
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true
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}
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assert(v)
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end
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def test_newdb_open
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DBM.open("#{@tmproot}/a") {|dbm|
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dbm["k"] = "v"
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}
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v = DBM.open("#{@tmproot}/a", nil, DBM::NEWDB) {|d|
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assert_equal(0, d.length)
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assert_nil(d["k"])
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|
true
|
|
}
|
|
assert(v)
|
|
end
|
|
|
|
def test_freeze
|
|
DBM.open("#{@tmproot}/a") {|d|
|
|
d.freeze
|
|
assert_raise(RuntimeError) { d["k"] = "v" }
|
|
}
|
|
end
|
|
end
|
|
end
|