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require 'spec_helper'
require 'mspec/guards'
describe Object, "#conflicts_with" do
before :each do
hide_deprecation_warnings
ScratchPad.clear
end
it "does not yield if Object.constants includes any of the arguments" do
Object.stub(:constants).and_return(["SomeClass", "OtherClass"])
conflicts_with(:SomeClass, :AClass, :BClass) { ScratchPad.record :yield }
ScratchPad.recorded.should_not == :yield
end
it "does not yield if Object.constants (as Symbols) includes any of the arguments" do
Object.stub(:constants).and_return([:SomeClass, :OtherClass])
conflicts_with(:SomeClass, :AClass, :BClass) { ScratchPad.record :yield }
ScratchPad.recorded.should_not == :yield
end
it "yields if Object.constants does not include any of the arguments" do
Object.stub(:constants).and_return(["SomeClass", "OtherClass"])
conflicts_with(:AClass, :BClass) { ScratchPad.record :yield }
ScratchPad.recorded.should == :yield
end
it "yields if Object.constants (as Symbols) does not include any of the arguments" do
Object.stub(:constants).and_return([:SomeClass, :OtherClass])
conflicts_with(:AClass, :BClass) { ScratchPad.record :yield }
ScratchPad.recorded.should == :yield
end
end
describe Object, "#conflicts_with" do
before :each do
hide_deprecation_warnings
@guard = ConflictsGuard.new
ConflictsGuard.stub(:new).and_return(@guard)
end
it "sets the name of the guard to :conflicts_with" do
conflicts_with(:AClass, :BClass) { }
@guard.name.should == :conflicts_with
end
it "calls #unregister even when an exception is raised in the guard block" do
@guard.should_receive(:unregister)
lambda do
conflicts_with(:AClass, :BClass) { raise Exception }
end.should raise_error(Exception)
end
end
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