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require_relative '../spec_helper'
require_relative 'fixtures/module'
describe "The module keyword" do
it "creates a new module without semicolon" do
module ModuleSpecsKeywordWithoutSemicolon end
ModuleSpecsKeywordWithoutSemicolon.should be_an_instance_of(Module)
end
it "creates a new module with a non-qualified constant name" do
module ModuleSpecsToplevel; end
ModuleSpecsToplevel.should be_an_instance_of(Module)
end
it "creates a new module with a qualified constant name" do
module ModuleSpecs::Nested; end
ModuleSpecs::Nested.should be_an_instance_of(Module)
end
it "creates a new module with a variable qualified constant name" do
m = Module.new
module m::N; end
m::N.should be_an_instance_of(Module)
end
it "reopens an existing module" do
module ModuleSpecs; Reopened = true; end
ModuleSpecs::Reopened.should be_true
end
ruby_version_is '3.2' do
it "does not reopen a module included in Object" do
module IncludedModuleSpecs; Reopened = true; end
ModuleSpecs::IncludedInObject::IncludedModuleSpecs.should_not == Object::IncludedModuleSpecs
end
end
ruby_version_is ''...'3.2' do
it "reopens a module included in Object" do
module IncludedModuleSpecs; Reopened = true; end
ModuleSpecs::IncludedInObject::IncludedModuleSpecs::Reopened.should be_true
end
end
it "raises a TypeError if the constant is a Class" do
-> do
module ModuleSpecs::Modules::Klass; end
end.should raise_error(TypeError)
end
it "raises a TypeError if the constant is a String" do
-> { module ModuleSpecs::Modules::A; end }.should raise_error(TypeError)
end
it "raises a TypeError if the constant is an Integer" do
-> { module ModuleSpecs::Modules::B; end }.should raise_error(TypeError)
end
it "raises a TypeError if the constant is nil" do
-> { module ModuleSpecs::Modules::C; end }.should raise_error(TypeError)
end
it "raises a TypeError if the constant is true" do
-> { module ModuleSpecs::Modules::D; end }.should raise_error(TypeError)
end
it "raises a TypeError if the constant is false" do
-> { module ModuleSpecs::Modules::D; end }.should raise_error(TypeError)
end
end
describe "Assigning an anonymous module to a constant" do
it "sets the name of the module" do
mod = Module.new
mod.name.should be_nil
::ModuleSpecs_CS1 = mod
mod.name.should == "ModuleSpecs_CS1"
end
it "sets the name of a module scoped by an anonymous module" do
a, b = Module.new, Module.new
a::B = b
b.name.should.end_with? '::B'
end
it "sets the name of contained modules when assigning a toplevel anonymous module" do
a, b, c, d = Module.new, Module.new, Module.new, Module.new
a::B = b
a::B::C = c
a::B::C::E = c
a::D = d
::ModuleSpecs_CS2 = a
a.name.should == "ModuleSpecs_CS2"
b.name.should == "ModuleSpecs_CS2::B"
c.name.should == "ModuleSpecs_CS2::B::C"
d.name.should == "ModuleSpecs_CS2::D"
end
end
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