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require 'test/unit'
require_relative 'envutil'
class TestEnv < Test::Unit::TestCase
IGNORE_CASE = /bccwin|mswin|mingw/ =~ RUBY_PLATFORM
PATH_ENV = "PATH"
def setup
@verbose = $VERBOSE
$VERBOSE = nil
@backup = ENV.to_hash
ENV.delete('test')
ENV.delete('TEST')
end
def teardown
$VERBOSE = @verbose
ENV.clear
@backup.each {|k, v| ENV[k] = v }
end
def test_bracket
assert_nil(ENV['test'])
assert_nil(ENV['TEST'])
ENV['test'] = 'foo'
assert_equal('foo', ENV['test'])
if IGNORE_CASE
assert_equal('foo', ENV['TEST'])
else
assert_nil(ENV['TEST'])
end
ENV['TEST'] = 'bar'
assert_equal('bar', ENV['TEST'])
if IGNORE_CASE
assert_equal('bar', ENV['test'])
else
assert_equal('foo', ENV['test'])
end
assert_raise(TypeError) {
tmp = ENV[1]
}
assert_raise(TypeError) {
ENV[1] = 'foo'
}
assert_raise(TypeError) {
ENV['test'] = 0
}
end
def test_has_value
val = 'a'
val.succ! while ENV.has_value?(val) || ENV.has_value?(val.upcase)
ENV['test'] = val[0...-1]
assert_equal(false, ENV.has_value?(val))
assert_equal(false, ENV.has_value?(val.upcase))
ENV['test'] = val
assert_equal(true, ENV.has_value?(val))
assert_equal(false, ENV.has_value?(val.upcase))
ENV['test'] = val.upcase
assert_equal(false, ENV.has_value?(val))
assert_equal(true, ENV.has_value?(val.upcase))
end
def test_key
val = 'a'
val.succ! while ENV.has_value?(val) || ENV.has_value?(val.upcase)
ENV['test'] = val[0...-1]
assert_nil(ENV.key(val))
assert_nil(ENV.index(val))
assert_nil(ENV.key(val.upcase))
ENV['test'] = val
if IGNORE_CASE
assert_equal('TEST', ENV.key(val).upcase)
else
assert_equal('test', ENV.key(val))
end
assert_nil(ENV.key(val.upcase))
ENV['test'] = val.upcase
assert_nil(ENV.key(val))
if IGNORE_CASE
assert_equal('TEST', ENV.key(val.upcase).upcase)
else
assert_equal('test', ENV.key(val.upcase))
end
end
def test_delete
assert_raise(ArgumentError) { ENV.delete("foo\0bar") }
assert_nil(ENV.delete("TEST"))
assert_nothing_raised { ENV.delete(PATH_ENV) }
end
def test_getenv
assert_raise(ArgumentError) { ENV["foo\0bar"] }
ENV[PATH_ENV] = ""
assert_equal("", ENV[PATH_ENV])
assert_nil(ENV[""])
end
def test_fetch
ENV["test"] = "foo"
assert_equal("foo", ENV.fetch("test"))
ENV.delete("test")
feature8649 = '[ruby-core:56062] [Feature #8649]'
assert_raise_with_message(KeyError, 'key not found: "test"', feature8649) do
ENV.fetch("test")
end
assert_equal("foo", ENV.fetch("test", "foo"))
assert_equal("bar", ENV.fetch("test") { "bar" })
assert_equal("bar", ENV.fetch("test", "foo") { "bar" })
assert_raise(ArgumentError) { ENV.fetch("foo\0bar") }
assert_nothing_raised { ENV.fetch(PATH_ENV, "foo") }
ENV[PATH_ENV] = ""
assert_equal("", ENV.fetch(PATH_ENV))
end
def test_aset
assert_nothing_raised { ENV["test"] = nil }
assert_equal(nil, ENV["test"])
assert_raise(ArgumentError) { ENV["foo\0bar"] = "test" }
assert_raise(ArgumentError) { ENV["test"] = "foo\0bar" }
begin
# setenv(3) allowed the name includes '=',
# but POSIX.1-2001 says it should fail with EINVAL.
# see also http://togetter.com/li/22380
ENV["foo=bar"] = "test"
assert_equal("test", ENV["foo=bar"])
assert_equal("test", ENV["foo"])
rescue Errno::EINVAL
end
ENV[PATH_ENV] = "/tmp/".taint
assert_equal("/tmp/", ENV[PATH_ENV])
end
def test_keys
a = ENV.keys
assert_kind_of(Array, a)
a.each {|k| assert_kind_of(String, k) }
end
def test_each_key
ENV.each_key {|k| assert_kind_of(String, k) }
end
def test_values
a = ENV.values
assert_kind_of(Array, a)
a.each {|k| assert_kind_of(String, k) }
end
def test_each_value
ENV.each_value {|k| assert_kind_of(String, k) }
end
def test_each_pair
ENV.each_pair do |k, v|
assert_kind_of(String, k)
assert_kind_of(String, v)
end
end
def test_reject_bang
h1 = {}
ENV.each_pair {|k, v| h1[k] = v }
ENV["test"] = "foo"
ENV.reject! {|k, v| IGNORE_CASE ? k.upcase == "TEST" : k == "test" }
h2 = {}
ENV.each_pair {|k, v| h2[k] = v }
assert_equal(h1, h2)
h1 = {}
ENV.each_pair {|k, v| h1[k] = v }
ENV["test"] = "foo"
ENV.delete_if {|k, v| IGNORE_CASE ? k.upcase == "TEST" : k == "test" }
h2 = {}
ENV.each_pair {|k, v| h2[k] = v }
assert_equal(h1, h2)
end
def test_select_bang
h1 = {}
ENV.each_pair {|k, v| h1[k] = v }
ENV["test"] = "foo"
ENV.select! {|k, v| IGNORE_CASE ? k.upcase != "TEST" : k != "test" }
h2 = {}
ENV.each_pair {|k, v| h2[k] = v }
assert_equal(h1, h2)
h1 = {}
ENV.each_pair {|k, v| h1[k] = v }
ENV["test"] = "foo"
ENV.keep_if {|k, v| IGNORE_CASE ? k.upcase != "TEST" : k != "test" }
h2 = {}
ENV.each_pair {|k, v| h2[k] = v }
assert_equal(h1, h2)
end
def test_values_at
ENV["test"] = "foo"
assert_equal(["foo", "foo"], ENV.values_at("test", "test"))
end
def test_select
ENV["test"] = "foo"
h = ENV.select {|k| IGNORE_CASE ? k.upcase == "TEST" : k == "test" }
assert_equal(1, h.size)
k = h.keys.first
v = h.values.first
if IGNORE_CASE
assert_equal("TEST", k.upcase)
assert_equal("FOO", v.upcase)
else
assert_equal("test", k)
assert_equal("foo", v)
end
end
def test_clear
ENV.clear
assert_equal(0, ENV.size)
end
def test_to_s
assert_equal("ENV", ENV.to_s)
end
def test_inspect
ENV.clear
ENV["foo"] = "bar"
ENV["baz"] = "qux"
s = ENV.inspect
if IGNORE_CASE
s = s.upcase
assert(s == '{"FOO"=>"BAR", "BAZ"=>"QUX"}' || s == '{"BAZ"=>"QUX", "FOO"=>"BAR"}')
else
assert(s == '{"foo"=>"bar", "baz"=>"qux"}' || s == '{"baz"=>"qux", "foo"=>"bar"}')
end
end
def test_to_a
ENV.clear
ENV["foo"] = "bar"
ENV["baz"] = "qux"
a = ENV.to_a
assert_equal(2, a.size)
if IGNORE_CASE
a = a.map {|x| x.map {|y| y.upcase } }
assert(a == [%w(FOO BAR), %w(BAZ QUX)] || a == [%w(BAZ QUX), %w(FOO BAR)])
else
assert(a == [%w(foo bar), %w(baz qux)] || a == [%w(baz qux), %w(foo bar)])
end
end
def test_rehash
assert_nil(ENV.rehash)
end
def test_size
s = ENV.size
ENV["test"] = "foo"
assert_equal(s + 1, ENV.size)
end
def test_empty_p
ENV.clear
assert_predicate(ENV, :empty?)
ENV["test"] = "foo"
assert_not_predicate(ENV, :empty?)
end
def test_has_key
assert_not_send([ENV, :has_key?, "test"])
ENV["test"] = "foo"
assert_send([ENV, :has_key?, "test"])
assert_raise(ArgumentError) { ENV.has_key?("foo\0bar") }
end
def test_assoc
assert_nil(ENV.assoc("test"))
ENV["test"] = "foo"
k, v = ENV.assoc("test")
if IGNORE_CASE
assert_equal("TEST", k.upcase)
assert_equal("FOO", v.upcase)
else
assert_equal("test", k)
assert_equal("foo", v)
end
assert_raise(ArgumentError) { ENV.assoc("foo\0bar") }
end
def test_has_value2
ENV.clear
assert_not_send([ENV, :has_value?, "foo"])
ENV["test"] = "foo"
assert_send([ENV, :has_value?, "foo"])
end
def test_rassoc
ENV.clear
assert_nil(ENV.rassoc("foo"))
ENV["foo"] = "bar"
ENV["test"] = "foo"
ENV["baz"] = "qux"
k, v = ENV.rassoc("foo")
if IGNORE_CASE
assert_equal("TEST", k.upcase)
assert_equal("FOO", v.upcase)
else
assert_equal("test", k)
assert_equal("foo", v)
end
end
def test_to_hash
h = {}
ENV.each {|k, v| h[k] = v }
assert_equal(h, ENV.to_hash)
end
def test_to_h
assert_equal(ENV.to_hash, ENV.to_h)
end
def test_reject
h1 = {}
ENV.each_pair {|k, v| h1[k] = v }
ENV["test"] = "foo"
h2 = ENV.reject {|k, v| IGNORE_CASE ? k.upcase == "TEST" : k == "test" }
assert_equal(h1, h2)
end
def check(as, bs)
if IGNORE_CASE
as = as.map {|xs| xs.map {|x| x.upcase } }
bs = bs.map {|xs| xs.map {|x| x.upcase } }
end
assert_equal(as.sort, bs.sort)
end
def test_shift
ENV.clear
ENV["foo"] = "bar"
ENV["baz"] = "qux"
a = ENV.shift
b = ENV.shift
check([a, b], [%w(foo bar), %w(baz qux)])
assert_nil(ENV.shift)
end
def test_invert
ENV.clear
ENV["foo"] = "bar"
ENV["baz"] = "qux"
check(ENV.invert.to_a, [%w(bar foo), %w(qux baz)])
end
def test_replace
ENV["foo"] = "xxx"
ENV.replace({"foo"=>"bar", "baz"=>"qux"})
check(ENV.to_hash.to_a, [%w(foo bar), %w(baz qux)])
end
def test_update
ENV.clear
ENV["foo"] = "bar"
ENV["baz"] = "qux"
ENV.update({"baz"=>"quux","a"=>"b"})
check(ENV.to_hash.to_a, [%w(foo bar), %w(baz quux), %w(a b)])
ENV.clear
ENV["foo"] = "bar"
ENV["baz"] = "qux"
ENV.update({"baz"=>"quux","a"=>"b"}) {|k, v1, v2| v1 ? k + "_" + v1 + "_" + v2 : v2 }
check(ENV.to_hash.to_a, [%w(foo bar), %w(baz baz_qux_quux), %w(a b)])
end
def test_huge_value
huge_value = "bar" * 40960
ENV["foo"] = "bar"
if /mswin|mingw/ =~ RUBY_PLATFORM
assert_raise(Errno::EINVAL) { ENV["foo"] = huge_value }
assert_equal("bar", ENV["foo"])
else
assert_nothing_raised { ENV["foo"] = huge_value }
assert_equal(huge_value, ENV["foo"])
end
end
if /mswin|mingw/ =~ RUBY_PLATFORM
def test_win32_blocksize
keys = []
len = 32767 - ENV.to_a.flatten.inject(0) {|r,e| r + e.bytesize + 1}
val = "bar" * 1000
key = nil
while (len -= val.size + (key="foo#{len}").size + 2) > 0
keys << key
ENV[key] = val
end
1.upto(12) {|i|
assert_raise(Errno::EINVAL) { ENV[key] = val }
}
ensure
keys.each {|k| ENV.delete(k)}
end
end
def test_frozen
ENV[PATH_ENV] = "/"
ENV.each do |k, v|
assert_predicate(k, :frozen?)
assert_predicate(v, :frozen?)
end
ENV.each_key do |k|
assert_predicate(k, :frozen?)
end
ENV.each_value do |v|
assert_predicate(v, :frozen?)
end
ENV.each_key do |k|
assert_predicate(ENV[k], :frozen?, "[#{k.dump}]")
assert_predicate(ENV.fetch(k), :frozen?, "fetch(#{k.dump})")
end
end
def test_taint_aref
assert_raise(SecurityError) do
proc do
$SAFE = 2
ENV["FOO".taint]
end.call
end
end
def test_taint_fetch
assert_raise(SecurityError) do
proc do
$SAFE = 2
ENV.fetch("FOO".taint)
end.call
end
end
def test_taint_assoc
assert_raise(SecurityError) do
proc do
$SAFE = 2
ENV.assoc("FOO".taint)
end.call
end
end
def test_taint_rassoc
assert_raise(SecurityError) do
proc do
$SAFE = 2
ENV.rassoc("FOO".taint)
end.call
end
end
def test_taint_key
assert_raise(SecurityError) do
proc do
$SAFE = 2
ENV.key("FOO".taint)
end.call
end
end
def test_taint_key_p
assert_raise(SecurityError) do
proc do
$SAFE = 2
ENV.key?("FOO".taint)
end.call
end
end
def test_taint_value_p
assert_raise(SecurityError) do
proc do
$SAFE = 2
ENV.value?("FOO".taint)
end.call
end
end
def test_taint_aset_value
assert_raise(SecurityError) do
proc do
$SAFE = 2
ENV["FOO"] = "BAR".taint
end.call
end
end
def test_taint_aset_key
assert_raise(SecurityError) do
proc do
$SAFE = 2
ENV["FOO".taint] = "BAR"
end.call
end
end
def test_memory_leak_aset
bug9977 = '[ruby-dev:48323] [Bug #9977]'
assert_no_memory_leak([], <<-'end;', "5_000.times {ENV[k] = v}", bug9977)
ENV.clear
k = 'FOO'
v = (ENV[k] = 'bar'*5000 rescue 'bar'*1500)
end;
end
def test_memory_leak_select
bug9978 = '[ruby-dev:48325] [Bug #9978]'
assert_no_memory_leak([], <<-'end;', "5_000.times {ENV.select {break}}", bug9978)
ENV.clear
k = 'FOO'
(ENV[k] = 'bar'*5000 rescue 'bar'*1500)
end;
end
def test_memory_crash_select
assert_normal_exit(<<-'end;')
1000.times {ENV["FOO#{i}"] = 'bar'}
ENV.select {ENV.clear}
end;
end
end
|