Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

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/)

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.