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module RSpec
module Mocks
RSpec.describe "at_most" do
before(:each) do
@double = double
end
it "passes when at_most(n) is called exactly 1 time" do
expect(@double).to receive(:do_something).at_most(1).time
@double.do_something
verify @double
end
it "passes when at_most(n) is called exactly n times" do
expect(@double).to receive(:do_something).at_most(2).times
@double.do_something
@double.do_something
verify @double
end
it "passes when at_most(n) is called less than n times" do
expect(@double).to receive(:do_something).at_most(2).times
@double.do_something
verify @double
end
it "passes when at_most(n) is never called" do
expect(@double).to receive(:do_something).at_most(2).times
verify @double
end
it "passes when at_most(:once) is called once" do
expect(@double).to receive(:do_something).at_most(:once)
@double.do_something
verify @double
end
it "passes when at_most(:once) is never called" do
expect(@double).to receive(:do_something).at_most(:once)
verify @double
end
it "passes when at_most(:twice) is called once" do
expect(@double).to receive(:do_something).at_most(:twice)
@double.do_something
verify @double
end
it "passes when at_most(:twice) is called twice" do
expect(@double).to receive(:do_something).at_most(:twice)
@double.do_something
@double.do_something
verify @double
end
it "passes when at_most(:twice) is never called" do
expect(@double).to receive(:do_something).at_most(:twice)
verify @double
end
it "passes when at_most(:thrice) is called less than three times" do
expect(@double).to receive(:do_something).at_most(:thrice)
@double.do_something
verify @double
end
it "passes when at_most(:thrice) is called thrice" do
expect(@double).to receive(:do_something).at_most(:thrice)
@double.do_something
@double.do_something
@double.do_something
verify @double
end
it "returns the value given by a block when at_most(:once) method is called" do
expect(@double).to receive(:to_s).at_most(:once) { "testing" }
expect(@double.to_s).to eq "testing"
verify @double
end
it "fails fast when at_most(n) times method is called n plus 1 times" do
expect(@double).to receive(:do_something).at_most(2).times
@double.do_something
@double.do_something
expect_fast_failure_from(@double, /expected: at most 2 times.*received: 3 times/m) do
@double.do_something
end
end
it "fails fast when at_most(n) times method is called n plus 1 time" do
expect(@double).to receive(:do_something).at_most(1).time
@double.do_something
expect_fast_failure_from(@double, /expected: at most 1 time.*received: 2 times/m) do
@double.do_something
end
end
it "fails fast when at_most(:once) and is called twice" do
expect(@double).to receive(:do_something).at_most(:once)
@double.do_something
expect_fast_failure_from(@double, /expected: at most 1 time.*received: 2 times/m) do
@double.do_something
end
end
it "fails fast when at_most(:twice) and is called three times" do
expect(@double).to receive(:do_something).at_most(:twice)
@double.do_something
@double.do_something
expect_fast_failure_from(@double, /expected: at most 2 times.*received: 3 times/m) do
@double.do_something
end
end
it "fails fast when at_most(:thrice) and is called four times" do
expect(@double).to receive(:do_something).at_most(:thrice)
@double.do_something
@double.do_something
@double.do_something
expect_fast_failure_from(@double, /expected: at most 3 times.*received: 4 times/m) do
@double.do_something
end
end
context "when called with negative expectation" do
it "raises an error" do
expect {
expect(@double).not_to receive(:do_something).at_most(:thrice)
}.to raise_error(/`count` is not supported with negative message expectations/)
end
end
end
end
end
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