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

Copied to Clipboard!

How to use capture_stdout method of Kernel Package

Best Spinach_ruby code snippet using Kernel.capture_stdout

runner_test.rb

Source:runner_test.rb

...14    PassengerPane::Configuration.stubs(:auto).returns(@conf)15  end16  17  it "lists all configured applications" do18    output = capture_stdout do19      PassengerPane::Runner.run({}, %w(list))20    end21    @conf.applications.each do |app|22      output.should.include?(app.host)23    end24  end25  26  it "registers all configured hostnames" do27    all_hosts = %w(assets.skit.local skit.local weblog.local)28    PassengerPane::Runner.any_instance.stubs(:_all_hosts).returns(all_hosts)29    PassengerPane::DirectoryServices.expects(:register).with(all_hosts)30    capture_stdout do31      PassengerPane::Runner.run({}, %w(register))32    end33  end34  35  it "unregisters all configured hostnames" do36    37    all_hosts = %w(assets.skit.local skit.local weblog.local)38    PassengerPane::Runner.any_instance.stubs(:_all_hosts).returns(all_hosts)39    PassengerPane::DirectoryServices.expects(:unregister).with(all_hosts)40    capture_stdout do41      PassengerPane::Runner.run({}, %w(unregister))42    end43  end44  45  it "shows information about the system" do46    @conf.httpd.stubs(:passenger_module_installed?).returns(true)47    PassengerPane::DirectoryServices.stubs(:registered_hosts).returns(%w(assets.skit.local skit.local weblog.local))48    49    output = capture_stdout do50      PassengerPane::Runner.run({}, %w(info))51    end52    53    output.should.include('Passenger installed:       yes')54    output.should.include('Passenger Pane configured: yes')55  end56  57  it "shows information about the system in JSON" do58    @conf.httpd.stubs(:passenger_module_installed?).returns(true)59    PassengerPane::DirectoryServices.stubs(:registered_hosts).returns(%w(assets.skit.local skit.local weblog.local))60    61    output = capture_stdout do62      PassengerPane::Runner.run({'m' => nil}, %w(info))63    end64    65    output.should.include('"passenger_pane_configured":true')66    output.should.include('"passenger_module_installed":true')67  end68  69  it "configures Apache for use with the Passenger Pane" do70    Kernel.allow_backtick = true71    @conf.httpd.stubs(:restart)72    File.open(@conf.httpd.filename, 'w') { |file| file.write('') }73    74    capture_stdout do75      PassengerPane::Runner.run({}, %w(configure))76    end77    78    @conf.httpd.should.be.passenger_pane_configured79  end80  81  it "does not configure Apache for use with the Passenger Pane if it's already configured" do82    @conf.httpd.expects(:write).never83    capture_stdout do84      PassengerPane::Runner.run({}, %w(configure))85    end86  end87  88  it "adds a new application to the configuration" do89    PassengerPane::DirectoryServices.expects(:register).with(%w(app.local))90    capture_stdout do91      PassengerPane::Runner.run({}, ['add', @app.path])92    end93    @conf.applications.map { |app| app.host }.should.include('app.local')94  end95  96  it "updates an application" do97    @conf.httpd.stubs(:restart)98    PassengerPane::DirectoryServices.expects(:register).with(%w(blog.local)).returns(true)99    PassengerPane::DirectoryServices.expects(:unregister).with(%w(staging.blog.local)).returns(true)100    101    app = PassengerPane::Application.find(@conf, :host => 'staging.blog.local')102    capture_stdout do103      PassengerPane::Runner.run({'host' => 'blog.local'}, ['update', app.host])104    end105    106    app.contents = nil107    app._parse108    app.host.should == 'blog.local'109  end110  111  it "deletes an application" do112    @conf.httpd.stubs(:restart)113    PassengerPane::DirectoryServices.expects(:unregister).with(%w(staging.blog.local)).returns(true)114    115    app = PassengerPane::Application.find(@conf, :host => 'staging.blog.local')116    capture_stdout do117      PassengerPane::Runner.run({}, ['delete', app.host])118    end119    120    File.should.not.exist?(app.config_filename)121  end122  123  it "restarts an application" do124    PassengerPane::DirectoryServices.stubs(:register).returns(true)125    @app.should.save126    127    File.should.not.exist?(File.join(@app.path, 'tmp', 'restart.txt'))128    capture_stdout do129      PassengerPane::Runner.run({}, ['restart', @app.host])130    end131    File.should.exist?(File.join(@app.path, 'tmp', 'restart.txt'))132  end133  134  it "does not restart an application that doesn't exist" do135    capture_stderr do136      PassengerPane::Runner.run({}, ['restart', 'unknown'])137    end.should == "[!] Can't find application with hostname `unknown'\n"138  end139  140  it "restarts Apache" do141    @conf.httpd.expects(:valid?).returns(true)142    @conf.httpd.expects(:system).with(@conf.apache_restart_command).returns(true)143    capture_stdout do144      PassengerPane::Runner.run({}, %w(restart))145    end146  end147end148describe "Runner, interacting through YAML" do149end...

logger_spec.rb

Source:logger_spec.rb

...3require 'stringio'4describe Hyperion::Logger do5  include Hyperion::Logger6  it 'logs to $stdout by default' do7    output = capture_stdout do8      logger.debug 'xyzzy'9      logger.debug 'qwerty'10    end11    expect(output).to include 'xyzzy'12    expect(output).to include 'qwerty'13  end14  it 'logs to Rails.logger if present' do15    rails, logger = double, double16    allow(rails).to receive(:logger).and_return(logger)17    expect(logger).to receive(:debug).with('xyzzy')18    with_rails(rails) do19      logger.debug 'xyzzy'20    end21  end22  it 'respects the log level' do23    output = capture_stdout do24      Logatron.level = Logatron::ERROR25      logger.debug 'xyzzy'26      logger.error 'qwerty'27      Logatron.level = Logatron::DEBUG28    end29    expect(output).to include 'qwert'30    expect(output).to_not include 'xyzzy'31  end32  context '#with_request_logging' do33    let(:route) { RestRoute.new(:get, 'http://test.com', ResponseDescriptor.new('type', 1, :json)) }34    let(:uri) { 'http://foo.bar' }35    let(:headers) { {'Present' => 'here', 'Empty' => '', 'Absent' => nil} }36    let!(:error_raised) { false }37    it 'logs the method' do38      expect(the_log).to include 'GET'39    end40    it 'logs the URI' do41      expect(the_log).to include uri42    end43    context 'when the block raises an error' do44      let!(:error_raised) { true }45      it 'logs the headers when the block raises an error' do46        expect(the_log).to include '"Present":"here"'47        expect(the_log).to include '"Empty":""'48      end49      it 'hides nil headers' do50        expect(the_log).to_not include 'Absent'51      end52    end53    def the_log54      capture_stdout do55        begin56          with_request_logging(route, uri, headers) { raise 'oops' if error_raised }57        rescue58        end59      end60    end61  end62  context '#log_result' do63    let(:response_desc) { ResponseDescriptor.new('type', 1, :json) }64    let(:payload_desc) { PayloadDescriptor.new(:protobuf) }65    let(:route) { RestRoute.new(:get, 'http://test.com', response_desc, payload_desc) }66    context 'for a successful response' do67      let(:result) { HyperionResult.new(route, HyperionStatus::SUCCESS, 200, 'test') }68      it 'does not log anything' do69        verify_result_not_logged70      end71    end72    context 'for an unsuccessful response' do73      context 'with no body' do74        let(:result) { HyperionResult.new(route, HyperionStatus::TIMED_OUT) }75        it 'does not log anything ' do76          verify_result_not_logged77        end78      end79      context 'with a ClientErrorResponse body' do80        let(:message) { 'test' }81        let(:code) { ClientErrorCode::MISSING }82        let(:error) { ClientErrorDetail.new(code, 'resource', field: 'field', value: 1, reason: 'oops') }83        let(:content) { 'content' }84        let(:error_response) { ClientErrorResponse.new(message, [error], code, content) }85        let(:result) { HyperionResult.new(route, HyperionStatus::CLIENT_ERROR, 400, error_response) }86        it 'logs the key value pairs of the ClientErrorResponse' do87          verify_result_logged88        end89      end90      context 'for all other bodies' do91        let(:body) { 'error' }92        let(:result) { HyperionResult.new(route, HyperionStatus::CLIENT_ERROR, 500, body) }93        it 'logs them' do94          verify_result_logged95        end96      end97    end98    def verify_result_not_logged99      output = capture_stdout do100        log_result(result)101      end102      expect(output).to be_empty103    end104    def verify_result_logged105      output = capture_stdout do106        log_result(result)107      end108      expect(output).to eql Oj.dump(result.as_json) + "\n"109    end110  end111  def capture_stdout112    output = StringIO.new113    with_stdout(output) do114      yield115    end116    output.string117  end118  def with_stdout(io)119    prev_logger = Logatron.configuration.logger120    set_log_io(io)121    begin122      yield123    ensure124      Logatron.configuration.logger = prev_logger125    end...

input_spec.rb

Source:input_spec.rb

...12      expect(Kernel.gets_integer).to eql(2345)13    end14    it "should raise an error if not a valid integer" do15      stub_input("abc\n", '2')16      printed = capture_stdout do17        Kernel.gets_integer18      end19      expect(printed).to eq("abc is not a valid integer. Try again\n")20      stub_input("1bc\n", '2')21      printed = capture_stdout do22        Kernel.gets_integer23      end24      expect(printed).to eql("1bc is not a valid integer. Try again\n")25    end26  end27  describe "gets_array" do28    it "should convert a comma separated list to an array" do29      stub_input("1,2,3")30      expect(Kernel.gets_array).to eql(['1', '2', '3'])31      stub_input("apple, banana, orange")32      expect(Kernel.gets_array).to eql(%w(apple banana orange))33      stub_input("Hello world, goodbye, I love dogecoin")34      expect(Kernel.gets_array).to eql(["Hello world", "goodbye", "I love dogecoin"])35    end36    it "should convert a pipe seperated list to an array" do37      stub_input("1|2|3")38      expect(Kernel.gets_array).to eql(['1', '2', '3'])39    end40    it "should convert a white space seperated list to an array" do41      stub_input("1 2 3")42      expect(Kernel.gets_array).to eql(['1', '2', '3'])43      stub_input("hello world goodbye")44      expect(Kernel.gets_array).to eql(['hello', 'world', 'goodbye'])45    end46  end47  describe "gets_float" do48    it "should convert a decimal seperated number to a float" do49      stub_input("1.1")50      expect(Kernel.gets_float).to eql(1.1)51      stub_input("1")52      expect(Kernel.gets_float).to eql(1.0)53    end54    it "should raise an error if not a valid float" do55      stub_input("1.3.2", '2.1')56      printed = capture_stdout do57        Kernel.gets_float58      end59      expect(printed).to eq("1.3.2 is not a valid float. Try again\n")60      stub_input("abc", '2.1')61      printed = capture_stdout do62        Kernel.gets_float63      end64      expect(printed).to eq("abc is not a valid float. Try again\n")65    end66  end67  describe "gets_math" do68    it "should evaluate the math in the input" do69      stub_input("1 + 1")70      expect(Kernel.gets_math).to eql(2)71    end72    it "should not value invalid math" do73      stub_input("puts 'hello'")74      expect{Kernel.gets_math}.to raise_error75    end76  end77  describe "gets_number" do78    it "should return an integer if the input is an integer" do79      stub_input("1")80      expect(Kernel.gets_number).to eql(1)81    end82    it "should be a float if the input is a float" do83      stub_input("1.1")84      expect(Kernel.gets_number).to eql(1.1)85    end86    it "should return an error if neither a float or an integer is given" do87      stub_input("abc", "1")88      printed = capture_stdout do89        Kernel.gets_number90      end91      expect(printed).to eq("abc is not a valid number. Try again\n")92    end93  end94  describe "gets_multiple" do95    it "should do multiple assignment" do96      stub_input("1,2")97      a, b = Kernel.gets_multiple98      expect(a).to eql('1')99      expect(b).to eql('2')100    end101  end102end...

capture_stdout

Using AI Code Generation

1    $stdout = StringIO.new('', 'w')2    $stderr = StringIO.new('', 'w')3puts capture_stdout { p 1 }4puts capture_stdout { puts 'hello' }5puts capture_stdout { print 'world' }6puts capture_stdout { puts 'foo', 'bar' }7puts capture_stderr { warn 'warning' }8puts capture_stderr { $stderr.puts 'error' }9puts capture_stdout { capture_stderr { warn 'warning' } }10puts capture_stdout { capture_stderr { $stderr.puts 'error' } }11puts capture_stderr { capture_stdout { p 1 } }12puts capture_stderr { capture_stdout { puts 'hello' } }13puts capture_stderr { capture_stdout { print 'world' } }14puts capture_stderr { capture_stdout { puts 'foo', 'bar' } }

capture_stdout

Using AI Code Generation

1def capture_stdout(&block)2output = capture_stdout { puts "Hello World" }3def capture_stdout(&block)4output = capture_stdout { puts "Hello World" }5def capture_stdout(&block)6output = capture_stdout { puts "Hello World" }7def capture_stdout(&block)8output = capture_stdout { puts "Hello World" }9def capture_stdout(&block)10output = capture_stdout { puts "Hello World" }

capture_stdout

Using AI Code Generation

1def capture_stdout(&block)2puts capture_stdout { print_hello }3def capture_stdout(&block)4puts capture_stdout { print_hello }5def capture_stdout(&block)6puts capture_stdout { print_hello }7def capture_stdout(&block)8puts capture_stdout { print_hello }9def capture_stdout(&block)10puts capture_stdout { print_hello }

capture_stdout

Using AI Code Generation

1      $stdout = StringIO.new('', 'w')2      $stdout = StringIO.new('', 'w')3output = capture_stdout { puts "Hello World" }4      $stdout = StringIO.new('', 'w')5      $stdout = StringIO.new('', 'w')

capture_stdout

Using AI Code Generation

1  $stdout = StringIO.new('', 'w')2  capture_stdout { puts "Hello World" }3  $stdout = StringIO.new('', 'w')4  capture_stdout { puts "Hello World" }5  $stdout = StringIO.new('', 'w')6  capture_stdout { puts "Hello World" }7  $stdout = StringIO.new('', 'w')8  capture_stdout { puts "Hello World" }

capture_stdout

Using AI Code Generation

1puts capture_stdout { puts "Hello World" }2puts capture_stdout { puts "Hello World" }3puts capture_stdout { puts "Hello World" }4puts capture_stdout { puts "Hello World" }5puts capture_stdout { puts "Hello World" }6puts capture_stdout {

capture_stdout

Using AI Code Generation

1puts capture_stdout { puts "Hello World" }2puts capture_stdout { puts "Hello World" }3puts capture_stdout { puts "Hello World" }4puts capture_stdout { puts "Hello World" }5puts capture_stdout { puts "Hello World" }6puts capture_stdout {

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.