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require_relative '../../spec_helper'
require_relative 'fixtures/set_temporary_name'
ruby_version_is "3.3" do
describe "Module#set_temporary_name" do
it "can assign a temporary name" do
m = Module.new
m.name.should be_nil
m.set_temporary_name("fake_name")
m.name.should == "fake_name"
m.set_temporary_name(nil)
m.name.should be_nil
end
it "returns self" do
m = Module.new
m.set_temporary_name("fake_name").should.equal? m
end
it "can assign a temporary name which is not a valid constant path" do
m = Module.new
m.set_temporary_name("name")
m.name.should == "name"
m.set_temporary_name("Template['foo.rb']")
m.name.should == "Template['foo.rb']"
m.set_temporary_name("a::B")
m.name.should == "a::B"
m.set_temporary_name("A::b")
m.name.should == "A::b"
m.set_temporary_name("A::B::")
m.name.should == "A::B::"
m.set_temporary_name("A::::B")
m.name.should == "A::::B"
m.set_temporary_name("A=")
m.name.should == "A="
end
it "can't assign empty string as name" do
m = Module.new
-> { m.set_temporary_name("") }.should raise_error(ArgumentError, "empty class/module name")
end
it "can't assign a constant name as a temporary name" do
m = Module.new
-> { m.set_temporary_name("Object") }.should raise_error(ArgumentError, "the temporary name must not be a constant path to avoid confusion")
end
it "can't assign a constant path as a temporary name" do
m = Module.new
-> { m.set_temporary_name("A::B") }.should raise_error(ArgumentError, "the temporary name must not be a constant path to avoid confusion")
-> { m.set_temporary_name("::A") }.should raise_error(ArgumentError, "the temporary name must not be a constant path to avoid confusion")
-> { m.set_temporary_name("::A::B") }.should raise_error(ArgumentError, "the temporary name must not be a constant path to avoid confusion")
end
it "can't assign name to permanent module" do
-> { Object.set_temporary_name("fake_name") }.should raise_error(RuntimeError, "can't change permanent name")
end
it "can assign a temporary name to a module nested into an anonymous module" do
m = Module.new
module m::N; end
m::N.name.should =~ /\A#<Module:0x\h+>::N\z/
m::N.set_temporary_name("fake_name")
m::N.name.should == "fake_name"
m::N.set_temporary_name(nil)
m::N.name.should be_nil
end
it "discards a temporary name when an outer anonymous module gets a permanent name" do
m = Module.new
module m::N; end
m::N.set_temporary_name("fake_name")
m::N.name.should == "fake_name"
ModuleSpecs::SetTemporaryNameSpec::M = m
m::N.name.should == "ModuleSpecs::SetTemporaryNameSpec::M::N"
ModuleSpecs::SetTemporaryNameSpec.send :remove_const, :M
end
it "can update the name when assigned to a constant" do
m = Module.new
m::N = Module.new
m::N.name.should =~ /\A#<Module:0x\h+>::N\z/
m::N.set_temporary_name(nil)
m::M = m::N
m::M.name.should =~ /\A#<Module:0x\h+>::M\z/m
end
it "can reassign a temporary name repeatedly" do
m = Module.new
m.set_temporary_name("fake_name")
m.name.should == "fake_name"
m.set_temporary_name("fake_name_2")
m.name.should == "fake_name_2"
end
ruby_bug "#21094", ""..."4.0" do
it "also updates a name of a nested module" do
m = Module.new
m::N = Module.new
m::N.name.should =~ /\A#<Module:0x\h+>::N\z/
m.set_temporary_name "m"
m::N.name.should == "m::N"
m.set_temporary_name nil
m::N.name.should == nil
end
end
it "keeps temporary name when assigned in an anonymous module" do
outer = Module.new
m = Module.new
m.set_temporary_name "m"
m.name.should == "m"
outer::M = m
m.name.should == "m"
m.inspect.should == "m"
end
it "keeps temporary name when assigned in an anonymous module and nested before" do
outer = Module.new
m = Module.new
outer::A = m
m.set_temporary_name "m"
m.name.should == "m"
outer::M = m
m.name.should == "m"
m.inspect.should == "m"
end
end
end
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