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module RSpec
module Mocks
module ArgumentMatchers
RSpec.describe ArrayIncludingMatcher do
it "describes itself properly" do
expect(ArrayIncludingMatcher.new([1, 2, 3]).description).to eq "array_including(1, 2, 3)"
end
it "describes passed matchers" do
description = array_including(fake_matcher(Object.new)).description
expect(description).to include(MatcherHelpers.fake_matcher_description)
end
context "passing" do
it "matches the same array" do
expect(array_including([1, 2, 3])).to be === [1, 2, 3]
end
it "matches the same array, specified without square brackets" do
expect(array_including(1, 2, 3)).to be === [1, 2, 3]
end
it "matches the same array, specified without square brackets" do
expect(array_including(1, 2, 3)).to be === [1, 2, 3]
end
it "matches the same array, which includes nested arrays" do
expect(array_including([1, 2], 3, 4)).to be === [[1, 2], 3, 4]
end
it "works with duplicates in expected" do
expect(array_including(1, 1, 2, 3)).to be === [1, 2, 3]
end
it "works with duplicates in actual" do
expect(array_including(1, 2, 3)).to be === [1, 1, 2, 3]
end
it "is composable with other matchers" do
klass = Class.new
dbl = double
expect(dbl).to receive(:a_message).with(3, array_including(instance_of(klass)))
dbl.a_message(3, [1, klass.new, 4])
end
end
context "failing" do
it "fails when not all the entries in the expected are present" do
expect(array_including(1, 2, 3, 4, 5)).not_to be === [1, 2]
end
it "fails when passed a composed matcher is pased and not satisfied" do
with_unfulfilled_double do |dbl|
expect {
klass = Class.new
expect(dbl).to receive(:a_message).with(3, array_including(instance_of(klass)))
dbl.a_message(3, [1, 4])
}.to fail_with(/expected: \(3, array_including\(an_instance_of\(\)\)\)/)
end
end
end
end
end
end
end
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