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 Github

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...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...

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logger_spec.rb

Source:logger_spec.rb Github

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...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...

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input_spec.rb

Source:input_spec.rb Github

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...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...

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capture_stdout

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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' } }

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capture_stdout

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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" }

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capture_stdout

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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 }

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capture_stdout

Using AI Code Generation

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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')

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capture_stdout

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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" }

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capture_stdout

Using AI Code Generation

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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 {

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capture_stdout

Using AI Code Generation

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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 {

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