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module RSpec
module Mocks
RSpec.describe "at_least" do
before(:each) { @double = double }
it "fails if method is never called" do
expect(@double).to receive(:do_something).at_least(4).times
expect {
verify @double
}.to raise_error(/expected: at least 4 times.*received: 0 times/m)
end
it "fails when called less than n times" do
expect(@double).to receive(:do_something).at_least(4).times
@double.do_something
@double.do_something
@double.do_something
expect {
verify @double
}.to raise_error(/expected: at least 4 times.*received: 3 times/m)
end
it "fails when at least once method is never called" do
expect(@double).to receive(:do_something).at_least(:once)
expect {
verify @double
}.to raise_error(/expected: at least 1 time.*received: 0 times/m)
end
it "fails when at least twice method is called once" do
expect(@double).to receive(:do_something).at_least(:twice)
@double.do_something
expect {
verify @double
}.to raise_error(/expected: at least 2 times.*received: 1 time/m)
end
it "fails when at least twice method is never called" do
expect(@double).to receive(:do_something).at_least(:twice)
expect {
verify @double
}.to raise_error(/expected: at least 2 times.*received: 0 times/m)
end
it "fails when at least thrice method is called less than three times" do
expect(@double).to receive(:do_something).at_least(:thrice)
@double.do_something
@double.do_something
expect {
verify @double
}.to raise_error(/expected: at least 3 times.*received: 2 times/m)
end
it "passes when at least n times method is called exactly n times" do
expect(@double).to receive(:do_something).at_least(4).times
@double.do_something
@double.do_something
@double.do_something
@double.do_something
verify @double
end
it "passes when at least n times method is called n plus 1 times" do
expect(@double).to receive(:do_something).at_least(4).times
@double.do_something
@double.do_something
@double.do_something
@double.do_something
@double.do_something
verify @double
end
it "passes when at least once method is called once" do
expect(@double).to receive(:do_something).at_least(:once)
@double.do_something
verify @double
end
it "passes when at least once method is called twice" do
expect(@double).to receive(:do_something).at_least(:once)
@double.do_something
@double.do_something
verify @double
end
it "passes when at least twice method is called three times" do
expect(@double).to receive(:do_something).at_least(:twice)
@double.do_something
@double.do_something
@double.do_something
verify @double
end
it "passes when at least twice method is called twice" do
expect(@double).to receive(:do_something).at_least(:twice)
@double.do_something
@double.do_something
verify @double
end
it "passes when at least thrice method is called three times" do
expect(@double).to receive(:do_something).at_least(:thrice)
@double.do_something
@double.do_something
@double.do_something
verify @double
end
it "passes when at least thrice method is called four times" do
expect(@double).to receive(:do_something).at_least(:thrice)
@double.do_something
@double.do_something
@double.do_something
@double.do_something
verify @double
end
it "returns the value given by a block when the at least once method is called" do
expect(@double).to receive(:to_s).at_least(:once) { "testing" }
expect(@double.to_s).to eq "testing"
verify @double
end
context "when sent with 0" do
it "outputs a removal message" do
expect {
expect(@double).to receive(:do_something).at_least(0).times
}.to raise_error(/has been removed/)
end
end
it "uses a stub value if no value set" do
allow(@double).to receive_messages(:do_something => 'foo')
expect(@double).to receive(:do_something).at_least(:once)
expect(@double.do_something).to eq 'foo'
expect(@double.do_something).to eq 'foo'
end
it "prefers its own return value over a stub" do
allow(@double).to receive_messages(:do_something => 'foo')
expect(@double).to receive(:do_something).at_least(:once).and_return('bar')
expect(@double.do_something).to eq 'bar'
expect(@double.do_something).to eq 'bar'
end
context "when called with negative expectation" do
it "raises an error" do
expect {
expect(@double).not_to receive(:do_something).at_least(:thrice)
}.to raise_error(/`count` is not supported with negative message expectations/)
end
end
end
end
end
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