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ruby--ruby/test/ruby/test_env.rb

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require 'test/unit'
class TestEnv < Test::Unit::TestCase
IGNORE_CASE = /djgpp|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.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])
end
def test_fetch
ENV["test"] = "foo"
assert_equal("foo", ENV.fetch("test"))
ENV.delete("test")
assert_raise(KeyError) { ENV.fetch("test") }
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_raise(SecurityError) do
Thread.new do
$SAFE = 4
ENV["test"] = "foo"
end.join
end
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" }
ENV[PATH_ENV] = "/tmp/".taint
assert_equal("/tmp/", ENV[PATH_ENV])
end
def test_keys
a = nil
assert_block { 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 = nil
assert_block { 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_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(ENV.empty?)
ENV["test"] = "foo"
assert(!ENV.empty?)
end
def test_has_key
assert(!ENV.has_key?("test"))
ENV["test"] = "foo"
assert(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(!ENV.has_value?("foo"))
ENV["test"] = "foo"
assert(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_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
end