60 lines
1.6 KiB
Ruby
60 lines
1.6 KiB
Ruby
module Producer
|
|
module Core
|
|
class Condition
|
|
class << self
|
|
def define_test(keyword, test)
|
|
{
|
|
keyword => false,
|
|
"no_#{keyword}" => true
|
|
}.each do |kw, negated|
|
|
define_method(kw) do |*args|
|
|
if test.respond_to? :call
|
|
args = [test, *args]
|
|
klass = Tests::ConditionTest
|
|
else
|
|
klass = test
|
|
end
|
|
t = klass.new(@env, *args, negated: negated)
|
|
@tests << t
|
|
end
|
|
end
|
|
end
|
|
|
|
def evaluate(env, *args, &block)
|
|
new.tap do |o|
|
|
o.instance_eval { @env = env }
|
|
return_value = o.instance_exec *args, &block
|
|
o.instance_eval { @return_value = return_value }
|
|
end
|
|
end
|
|
end
|
|
|
|
define_test :`, Tests::ShellCommandStatus
|
|
define_test :sh, Tests::ShellCommandStatus
|
|
define_test :file_contains, Tests::FileContains
|
|
define_test :file_eq, Tests::FileEq
|
|
define_test :env?, Tests::HasEnv
|
|
define_test :executable?, Tests::HasExecutable
|
|
define_test :dir?, Tests::HasDir
|
|
define_test :file?, Tests::HasFile
|
|
|
|
attr_reader :tests, :return_value
|
|
|
|
def initialize(tests = [], return_value = nil)
|
|
@tests = tests
|
|
@return_value = return_value
|
|
end
|
|
|
|
def met?
|
|
return !!@return_value if @tests.empty?
|
|
@tests.each { |t| return false unless t.pass? }
|
|
true
|
|
end
|
|
|
|
def !
|
|
!met?
|
|
end
|
|
end
|
|
end
|
|
end
|