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require File.expand_path('../spec_helper', __FILE__)
require File.expand_path('../fixtures/module', __FILE__)
load_extension('module')
describe "CApiModule" do
before :each do
@m = CApiModuleSpecs.new
end
describe "rb_define_global_const" do
it "defines a constant on Object" do
@m.rb_define_global_const("CApiModuleSpecsGlobalConst", 7)
::CApiModuleSpecsGlobalConst.should == 7
Object.send :remove_const, :CApiModuleSpecsGlobalConst
end
end
describe "rb_const_set given a symbol name and a value" do
it "sets a new constant on a module" do
@m.rb_const_set(CApiModuleSpecs::C, :W, 7)
CApiModuleSpecs::C::W.should == 7
end
it "sets an existing constant's value" do
@m.rb_const_set(CApiModuleSpecs::C, :Z, 8)
CApiModuleSpecs::C::Z.should == 8
end
end
describe "rb_define_module_under" do
it "creates a new module inside the inner class" do
mod = @m.rb_define_module_under(CApiModuleSpecs, "ModuleSpecsModuleUnder1")
mod.should be_kind_of(Module)
end
it "sets the module name" do
mod = @m.rb_define_module_under(CApiModuleSpecs, "ModuleSpecsModuleUnder2")
mod.name.should == "CApiModuleSpecs::ModuleSpecsModuleUnder2"
end
it "defines a module for an existing Autoload with an extension" do
compile_extension("module_under_autoload")
CApiModuleSpecs::ModuleUnderAutoload.name.should == "CApiModuleSpecs::ModuleUnderAutoload"
end
it "defines a module for an existing Autoload with a ruby object" do
compile_extension("module_under_autoload")
CApiModuleSpecs::RubyUnderAutoload.name.should == "CApiModuleSpecs::RubyUnderAutoload"
end
end
describe "rb_define_const given a String name and a value" do
it "defines a new constant on a module" do
@m.rb_define_const(CApiModuleSpecs::C, "V", 7)
CApiModuleSpecs::C::V.should == 7
end
it "sets an existing constant's value" do
@m.rb_define_const(CApiModuleSpecs::C, "Z", 9)
CApiModuleSpecs::C::Z.should == 9
end
end
describe "rb_const_defined" do
# The fixture converts C boolean test to Ruby 'true' / 'false'
it "returns C non-zero if a constant is defined" do
@m.rb_const_defined(CApiModuleSpecs::A, :X).should be_true
end
it "returns C non-zero if a constant is defined in Object" do
@m.rb_const_defined(CApiModuleSpecs::A, :Module).should be_true
end
end
describe "rb_const_defined_at" do
# The fixture converts C boolean test to Ruby 'true' / 'false'
it "returns C non-zero if a constant is defined" do
@m.rb_const_defined_at(CApiModuleSpecs::A, :X).should be_true
end
it "does not search in ancestors for the constant" do
@m.rb_const_defined_at(CApiModuleSpecs::B, :X).should be_false
end
it "does not search in Object" do
@m.rb_const_defined_at(CApiModuleSpecs::A, :Module).should be_false
end
end
describe "rb_const_get" do
it "returns a constant defined in the module" do
@m.rb_const_get(CApiModuleSpecs::A, :X).should == 1
end
it "returns a constant defined at toplevel" do
@m.rb_const_get(CApiModuleSpecs::A, :Fixnum).should == Fixnum
end
it "returns a constant defined in a superclass" do
@m.rb_const_get_from(CApiModuleSpecs::B, :X).should == 1
end
it "calls #const_missing if the constant is not defined in the class or ancestors" do
CApiModuleSpecs::A.should_receive(:const_missing).with(:CApiModuleSpecsUndefined)
@m.rb_const_get_from(CApiModuleSpecs::A, :CApiModuleSpecsUndefined)
end
end
describe "rb_const_get_from" do
it "returns a constant defined in the module" do
@m.rb_const_get_from(CApiModuleSpecs::B, :Y).should == 2
end
it "returns a constant defined in a superclass" do
@m.rb_const_get_from(CApiModuleSpecs::B, :X).should == 1
end
it "calls #const_missing if the constant is not defined in the class or ancestors" do
CApiModuleSpecs::M.should_receive(:const_missing).with(:Fixnum)
@m.rb_const_get_from(CApiModuleSpecs::M, :Fixnum)
end
end
describe "rb_const_get_at" do
it "returns a constant defined in the module" do
@m.rb_const_get_at(CApiModuleSpecs::B, :Y).should == 2
end
it "calls #const_missing if the constant is not defined in the module" do
CApiModuleSpecs::B.should_receive(:const_missing).with(:X)
@m.rb_const_get_at(CApiModuleSpecs::B, :X)
end
end
describe "rb_define_alias" do
it "defines an alias for an existing method" do
cls = Class.new do
def method_to_be_aliased
:method_to_be_aliased
end
end
@m.rb_define_alias cls, "method_alias", "method_to_be_aliased"
cls.new.method_alias.should == :method_to_be_aliased
end
end
describe "rb_alias" do
it "defines an alias for an existing method" do
cls = Class.new do
def method_to_be_aliased
:method_to_be_aliased
end
end
@m.rb_alias cls, :method_alias, :method_to_be_aliased
cls.new.method_alias.should == :method_to_be_aliased
end
end
describe "rb_define_global_function" do
it "defines a method on Object" do
@m.rb_define_global_function("module_specs_global_function")
Kernel.should have_method(:module_specs_global_function)
module_specs_global_function.should == :test_method
end
end
describe "rb_define_method" do
it "defines a method on a class" do
cls = Class.new
@m.rb_define_method(cls, "test_method")
cls.should have_instance_method(:test_method)
cls.new.test_method.should == :test_method
end
it "defines a method on a module" do
mod = Module.new
@m.rb_define_method(mod, "test_method")
mod.should have_instance_method(:test_method)
end
end
describe "rb_define_module_function" do
before :each do
@mod = Module.new
@m.rb_define_module_function @mod, "test_module_function"
end
it "defines a module function" do
@mod.test_module_function.should == :test_method
end
it "defines a private instance method" do
cls = Class.new
cls.send :include, @mod
cls.should have_private_instance_method(:test_module_function)
end
end
describe "rb_define_private_method" do
it "defines a private method on a class" do
cls = Class.new
@m.rb_define_private_method(cls, "test_method")
cls.should have_private_instance_method(:test_method)
cls.new.send(:test_method).should == :test_method
end
it "defines a private method on a module" do
mod = Module.new
@m.rb_define_private_method(mod, "test_method")
mod.should have_private_instance_method(:test_method)
end
end
describe "rb_define_protected_method" do
it "defines a protected method on a class" do
cls = Class.new
@m.rb_define_protected_method(cls, "test_method")
cls.should have_protected_instance_method(:test_method)
cls.new.send(:test_method).should == :test_method
end
it "defines a protected method on a module" do
mod = Module.new
@m.rb_define_protected_method(mod, "test_method")
mod.should have_protected_instance_method(:test_method)
end
end
describe "rb_define_singleton_method" do
it "defines a method on the singleton class" do
cls = Class.new
a = cls.new
@m.rb_define_singleton_method a, "module_specs_singleton_method"
a.module_specs_singleton_method.should == :test_method
lambda { cls.new.module_specs_singleton_method }.should raise_error(NoMethodError)
end
end
describe "rb_undef_method" do
it "undef'ines a method on a class" do
cls = Class.new do
def ruby_test_method
:ruby_test_method
end
end
cls.new.ruby_test_method.should == :ruby_test_method
@m.rb_undef_method cls, "ruby_test_method"
cls.should_not have_instance_method(:ruby_test_method)
end
end
describe "rb_undef" do
it "undef'ines a method on a class" do
cls = Class.new do
def ruby_test_method
:ruby_test_method
end
end
cls.new.ruby_test_method.should == :ruby_test_method
@m.rb_undef cls, :ruby_test_method
cls.should_not have_instance_method(:ruby_test_method)
end
end
describe "rb_class2name" do
it "returns the module name" do
@m.rb_class2name(CApiModuleSpecs::M).should == "CApiModuleSpecs::M"
end
end
end
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