How to use matches method of RSpec.Matchers Package

Best Spork_ruby code snippet using RSpec.Matchers.matches

matcher_spec.rb

Source:matcher_spec.rb

...14        it "provides a default description" do15          @matcher.description.should == "be a multiple of 3"16        end17        it "provides a default failure message for #should" do18          @matcher.matches?(8)19          @matcher.failure_message_for_should.should == "expected 8 to be a multiple of 3"20        end21        it "provides a default failure message for #should_not" do22          @matcher.matches?(9)23          @matcher.failure_message_for_should_not.should == "expected 9 not to be a multiple of 3"24        end25      end26      context "with separate match logic for should and should not" do27        let(:matcher) do28          RSpec::Matchers::Matcher.new(:to_be_composed_of, 7, 11) do |a, b|29            match_for_should do |actual|30              actual == a * b31            end32            match_for_should_not do |actual|33              actual == a + b34            end35          end36        end37        it "invokes the match_for_should block for #matches?" do38          matcher.matches?(77).should be_true39          matcher.matches?(18).should be_false40        end41        it "invokes the match_for_should_not block for #does_not_match?" do42          matcher.does_not_match?(77).should be_false43          matcher.does_not_match?(18).should be_true44        end45        it "provides a default failure message for #should_not" do46          matcher.does_not_match?(77)47          matcher.failure_message_for_should_not.should == "expected 77 not to to be composed of 7 and 11"48        end49      end50      it "allows helper methods to be defined with #define_method to have access to matcher parameters" do51        matcher = RSpec::Matchers::Matcher.new(:name, 3, 4) do |a, b|52          define_method(:sum) { a + b }53        end54        matcher.sum.should == 755      end56      it "is not diffable by default" do57        matcher = RSpec::Matchers::Matcher.new(:name) {}58        matcher.should_not be_diffable59      end60      it "is diffable when told to be" do61        matcher = RSpec::Matchers::Matcher.new(:name) { diffable }62        matcher.should be_diffable63      end64      it "provides expected" do65        matcher = RSpec::Matchers::Matcher.new(:name, 'expected string') {}66        matcher.expected.should == ['expected string']67      end68      it "provides actual" do69        matcher = RSpec::Matchers::Matcher.new(:name, 'expected string') do70          match {|actual|}71        end72        matcher.matches?('actual string')73        matcher.actual.should == 'actual string'74      end75      context "wrapping another expectation (should == ...)" do76        it "returns true if the wrapped expectation passes" do77          matcher = RSpec::Matchers::Matcher.new(:name, 'value') do |expected|78            match do |actual|79              actual.should == expected80            end81          end82          matcher.matches?('value').should be_true83        end84        it "returns false if the wrapped expectation fails" do85          matcher = RSpec::Matchers::Matcher.new(:name, 'value') do |expected|86            match do |actual|87              actual.should == expected88            end89          end90          matcher.matches?('other value').should be_false91        end92      end93      context "with overrides" do94        before(:each) do95          @matcher = RSpec::Matchers::Matcher.new(:be_boolean, true) do |boolean|96            match do |actual|97              actual98            end99            description do100              "be the boolean #{boolean}"101            end102            failure_message_for_should do |actual|103              "expected #{actual} to be the boolean #{boolean}"104            end105            failure_message_for_should_not do |actual|106              "expected #{actual} not to be the boolean #{boolean}"107            end108          end109        end110        it "does not hide result of match block when true" do111          @matcher.matches?(true).should be_true112        end113        it "does not hide result of match block when false" do114          @matcher.matches?(false).should be_false115        end116        it "overrides the description" do117          @matcher.description.should == "be the boolean true"118        end119        it "overrides the failure message for #should" do120          @matcher.matches?(false)121          @matcher.failure_message_for_should.should == "expected false to be the boolean true"122        end123        it "overrides the failure message for #should_not" do124          @matcher.matches?(true)125          @matcher.failure_message_for_should_not.should == "expected true not to be the boolean true"126        end127      end128      context "#new" do129        it "passes matches? arg to match block" do130          matcher = RSpec::Matchers::Matcher.new(:ignore) do131            match do |actual|132              actual == 5133            end134          end135          matcher.matches?(5).should be_true136        end137        it "exposes arg submitted through #new to matcher block" do138          matcher = RSpec::Matchers::Matcher.new(:ignore, 4) do |expected|139            match do |actual|140              actual > expected141            end142          end143          matcher.matches?(5).should be_true144        end145      end146      context "with no args" do147        before(:each) do148          @matcher = RSpec::Matchers::Matcher.new(:matcher_name) do149            match do |actual|150              actual == 5151            end152          end153        end154        it "matches" do155          @matcher.matches?(5).should be_true156        end157        it "describes" do158          @matcher.description.should == "matcher name"159        end160      end161      context "with 1 arg" do162        before(:each) do163          @matcher = RSpec::Matchers::Matcher.new(:matcher_name, 1) do |expected|164            match do |actual|165              actual == 5 && expected == 1166            end167          end168        end169        it "matches" do170          @matcher.matches?(5).should be_true171        end172        it "describes" do173          @matcher.description.should == "matcher name 1"174        end175      end176      context "with multiple args" do177        before(:each) do178          @matcher = RSpec::Matchers::Matcher.new(:matcher_name, 1, 2, 3, 4) do |a,b,c,d|179            match do |sum|180              a + b + c + d == sum181            end182          end183        end184        it "matches" do185          @matcher.matches?(10).should be_true186        end187        it "describes" do188          @matcher.description.should == "matcher name 1, 2, 3, and 4"189        end190      end191      it "supports helper methods" do192        matcher = RSpec::Matchers::Matcher.new(:be_similar_to, [1,2,3]) do |sample|193          match do |actual|194            similar?(sample, actual)195          end196          def similar?(a, b)197            a.sort == b.sort198          end199        end200        matcher.matches?([2,3,1]).should be_true201      end202      it "supports fluent interface" do203        matcher = RSpec::Matchers::Matcher.new(:first_word) do204          def second_word205            self206          end207        end208        matcher.second_word.should == matcher209      end210      it "treats method missing normally for undeclared methods" do211        matcher = RSpec::Matchers::Matcher.new(:ignore) { }212        expect { matcher.non_existent_method }.to raise_error(NoMethodError)213      end214      it "has access to other matchers" do215        matcher = RSpec::Matchers::Matcher.new(:ignore, 3) do |expected|216          match do |actual|217            extend RSpec::Matchers218            actual.should eql(5 + expected)219          end220        end221        matcher.matches?(8).should be_true222      end223      describe "#match_unless_raises" do224        context "with an assertion" do225          let(:mod) do226            Module.new do227              def assert_equal(a,b)228                a == b ? nil : (raise UnexpectedError.new("#{b} does not equal #{a}"))229              end230            end231          end232          let(:matcher) do233            m = mod234            RSpec::Matchers::Matcher.new :equal, 4 do |expected|235              extend m236              match_unless_raises UnexpectedError do237                assert_equal expected, actual238              end239            end240          end241          context "with passing assertion" do242            it "passes" do243              matcher.matches?(4).should be_true244            end245          end246          context "with failing assertion" do247            it "fails" do248              matcher.matches?(5).should be_false249            end250            it "provides the raised exception" do251              matcher.matches?(5)252              matcher.rescued_exception.message.253                should eq("5 does not equal 4")254            end255          end256        end257        context "with an unexpected error" do258          let(:matcher) do259            RSpec::Matchers::Matcher.new :foo, :bar do |expected|260              match_unless_raises SyntaxError do |actual|261                raise "unexpected exception"262              end263            end264          end265          it "raises the error" do266            expect do267              matcher.matches?(:bar)268            end.to raise_error("unexpected exception")269          end270        end271      end272      it "can define chainable methods" do273        matcher = RSpec::Matchers::Matcher.new(:name) do274          chain(:expecting) do |expected_value|275            @expected_value = expected_value276          end277          match { |actual| actual == @expected_value }278        end279        matcher.expecting('value').matches?('value').should be_true280        matcher.expecting('value').matches?('other value').should be_false281      end282      it "prevents name collisions on chainable methods from different matchers" do283        m1 = RSpec::Matchers::Matcher.new(:m1) { chain(:foo) { raise "foo in m1" } }284        m2 = RSpec::Matchers::Matcher.new(:m2) { chain(:foo) { raise "foo in m2" } }285        expect { m1.foo }.to raise_error("foo in m1")286        expect { m2.foo }.to raise_error("foo in m2")287      end288      context "defined using the dsl" do289        def a_method_in_the_example290          "method defined in the example"291        end292        it "can access methods in the running example" do293          RSpec::Matchers.define(:__access_running_example) do294            match do |actual|...

matches

Using AI Code Generation

1    expect(12).to be_multiple_of(3)2    should check if number is multiple of 3 (FAILED - 1)3     Failure/Error: expect(12).to be_multiple_of(3)4Finished in 0.0075 seconds (files took 0.0879 seconds to load)5    should check if number is multiple of 3 (FAILED - 1)6     Failure/Error: expect(12).to be_multiple_of(3)7Finished in 0.00739 seconds (files took 0.08902 seconds to load)

matches

Using AI Code Generation

1  it { is_expected.to be_a_multiple_of(3) }2  it { is_expected.to be_a_multiple_of(3) }3  it { is_expected.to be_a_multiple_of(3) }4  it { is_expected.to be_a_multiple_of(3) }5  it { is_expected.to be_a_multiple_of(3) }6  it { is_expected.to be_a_multiple_of(

matches

Using AI Code Generation

1  it { is_expected.to be_a_multiple_of 3 }2  it { is_expected.to be_a_multiple_of 4 }3  it { is_expected.to be_a_multiple_of 3 }

matches

Using AI Code Generation

1    expect("hello").to match(/ll/)2    expect("hello").to match("ll")3    expect("hello").to match("lo")4    expect(5 * 5).to eq(25)5    expect(5).to eq(5.0)6    expect(5).to eql(5.0)7    expect([1, 2, 3]).to eq([1, 2, 3])8    expect(1 < 2).to be(true)9    expect("hello").to be_truthy10    expect(nil).to be_falsey11    expect(0).to be_falsey12    expect([1, 2, 3]).to include(1)13    expect({ a: 1, b: 2, c: 3 }).to include(:a)14    expect("hello").to include("ell")15    expect([]).to be_empty16    expect({}).to be_empty17    expect("").to be_empty18    hash = { a: 1, b: 2, c: 3 }19    expect(hash[:b]).to exist20    expect(hash[:z]).to_not exist21    expect(nil).to be_nil22    expect(nil).to_not be_truthy23    expect(nil).to_not be_falsey24    expect("hello").to match(/ll/)25    expect("hello").to match("ll")26    expect("hello").to match("lo")27    expect(5 * 5).to eq(25)28    expect(5).to eq(5.0)29    expect(5).to eql(5

matches

Using AI Code Generation

1    expect("hello").to match(/ll/)2    expect("hello").to match(/ll/)3    expect("hello").to match(/ll/)4    expect("hello").to match(/ll/)5    expect("hello").to match(/ll/)6    expect("hello").to match(/ll/)7    expect("hello").to match(/ll/)

matches

Using AI Code Generation

1    "abc".should match(/a/)2    "abc".should match(/a/)3    "abc".should match(/a/)4    "abc".should match(/a/)5    "abc".should match(/a/)6    "abc".should match(/a/)7    "abc".should match(/a/)8    "abc".should match(/a/)9    "abc".should match(/a/)

matches

Using AI Code Generation

1    expect('This is a test').to match(/test/)2    expect('This is a test').to =~ /test/3    expect(['This is a test']).to match_array [/test/]4    expect({:test => 'This is a test'}).to match_hash({:test => /test/})

matches

Using AI Code Generation

1    "abc".should match(/a/)2    "abc".should match(/a/)3    "abc".should match(/a/)4    "abc".should match(/a/)5    "abc".should match(/a/)6    "abc".should match(/a/)7    "abc".should match(/a/)8    "abc".should match(/a/)9    "abc".should match(/a/)

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