File: hash_excluding_matcher_spec.rb

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module RSpec
  module Mocks
    module ArgumentMatchers
      RSpec.describe HashExcludingMatcher do

        it "describes itself properly" do
          expect(HashExcludingMatcher.new(:a => 5).description).to eq "hash_not_including(:a=>5)"
        end

        describe "passing" do
          it "matches a hash without the specified key" do
            expect(hash_not_including(:c)).to be === {:a => 1, :b => 2}
          end

          it "matches a hash with the specified key, but different value" do
            expect(hash_not_including(:b => 3)).to be === {:a => 1, :b => 2}
          end

          it "matches a hash without the specified key, given as anything()" do
            expect(hash_not_including(:c => anything)).to be === {:a => 1, :b => 2}
          end

          it "matches an empty hash" do
            expect(hash_not_including(:a)).to be === {}
          end

          it "matches a hash without any of the specified keys" do
            expect(hash_not_including(:a, :b, :c)).to be === { :d => 7 }
          end

          it "matches against classes inheriting from Hash" do
            expect(hash_not_including(Class.new(Hash)[:c, 1])).not_to be === {:c => 1}
          end
        end

        describe "failing" do
          it "does not match a non-hash" do
            expect(hash_not_including(:a => 1)).not_to be === 1
          end

          it "does not match a hash with a specified key" do
            expect(hash_not_including(:b)).not_to be === { :b => 2 }
          end

          it "does not match a hash with the specified key/value pair" do
            expect(hash_not_including(:b => 2)).not_to be === { :a => 1, :b => 2 }
          end

          it "does not match a hash with the specified key" do
            expect(hash_not_including(:a, :b => 3)).not_to be === { :a => 1, :b => 2 }
          end

          it "does not match a hash with one of the specified keys" do
            expect(hash_not_including(:a, :b)).not_to be === { :b => 2 }
          end

          it "does not match a hash with some of the specified keys" do
            expect(hash_not_including(:a, :b, :c)).not_to be === { :a => 1, :b => 2 }
          end

          it "does not match a hash with one key/value pair included" do
            expect(hash_not_including(:a, :b, :c, :d => 7)).not_to be === { :d => 7 }
          end
        end
      end
    end
  end
end