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RSpec.describe "be_new_record" do
context "a new record" do
let(:record) { double('record', new_record?: true) }
it "passes" do
expect(record).to be_new_record
end
it "fails with custom failure message" do
expect {
expect(record).not_to be_new_record
}.to raise_exception(/expected .* to be persisted, but was a new record/)
end
end
context "a persisted record" do
let(:record) { double('record', new_record?: false) }
it "fails" do
expect(record).not_to be_new_record
end
it "fails with custom failure message" do
expect {
expect(record).to be_new_record
}.to raise_exception(/expected .* to be a new record, but was persisted/)
end
end
end
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