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tcnksm/exception_spec.rb

Created November 12, 2013 08:20
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How to stub raising exceptions in rspec
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exception_spec.rb
class Foo
class << self
def exec
something
rescue => ex
ex.message
end
def something
"something"
end
end
end
describe Foo do
describe ".exec()" do
context "when error occured" do
before do
Foo.stub(:something).and_raise(StandardError.new("error"))
end
subject(:msg) { Foo.exec }
it "returns its error message" do
expect(msg).to eq("error")
end
end
end
end
@kubakrzempek
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In case anybody would be interested in how to stub that in today's world of rspec:

before do
  allow(Foo).to receive(:something).and_raise(StandardError.new("error"))
end

Cheers!

@Ricardonacif
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Ricardonacif commented Jun 10, 2020 •
edited
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In case anybody would be interested in how to stub that in today's world of rspec:

before do
  expect(Foo).to receive(:something).and_raise(StandardError.new("error"))
end

Greetings from 2020 (yeah, THAT year).

@jeanmw
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jeanmw commented Jan 26, 2021 

and_raise(StandardError.new("error"))

haha, nice thank you :)

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