Hi all, long time-user here, but first time poster... I've been a fan of
rspec for about 6 years now.
Anyway, I'm writing because I'm making some specs and trying to use the
one-liner syntax to keep it brief. It works, except for when I try to use
it with the change matcher. It's a simple controller spec I'm doing:
describe "GET #index" do
subject { get :index }
it { should be_success }
# attempt 1
it { is_expected.to change{assigns(:assets)}.from(nil) }
# attempt 2
it { should change{assigns(:assets)}.from(nil) }
# attempt 3
it "should assign @asset" do
expect{subject}.to change {assigns(:assets)}.from(nil)
end
end
Both attempt 1 and 2 above fail with the message "expected result to have
changed from nil, but was not given a block". Attempt 3 succeeds.
Can anyone explain what's going on here?
Thanks so much!
Greg
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