How to use save method of Mock Package

Best Active_mocker_ruby code snippet using Mock.save

saver_spec.rb

Source:saver_spec.rb

...25    double(Capybara).as_null_object.tap do |m|26      allow(m).to receive(:current_driver).and_return(:default)27    end28  }29  let(:saver) { Capybara::Screenshot::Saver.new(capybara_mock, page_mock) }30  context 'html filename with Capybara Version 1' do31    before do32      stub_const("Capybara::VERSION", '1')33    end34    it 'has a default format of "screenshot_Y-M-D-H-M-S.ms.html"' do35      expect(capybara_mock).to receive(:save_page).with('body', File.join(capybara_root, "#{file_basename}.html"))36      saver.save37    end38    it 'uses name argument as prefix' do39      saver = Capybara::Screenshot::Saver.new(capybara_mock, page_mock, true, 'custom-prefix')40      expect(capybara_mock).to receive(:save_page).with('body', File.join(capybara_root, "custom-prefix_#{timestamp}.html"))41      saver.save42    end43  end44  context 'html filename with Capybara Version 2' do45    before do46      stub_const("Capybara::VERSION", '2')47    end48    it 'has a default format of "screenshot_Y-M-D-H-M-S.ms.html"' do49      expect(capybara_mock).to receive(:save_page).with(File.join(capybara_root, "#{file_basename}.html"))50      saver.save51    end52    it 'uses name argument as prefix' do53      saver = Capybara::Screenshot::Saver.new(capybara_mock, page_mock, true, 'custom-prefix')54      expect(capybara_mock).to receive(:save_page).with(File.join(capybara_root, "custom-prefix_#{timestamp}.html"))55      saver.save56    end57  end58  context 'screenshot image path' do59    it 'is in capybara root output' do60      expect(driver_mock).to receive(:render).with(/^#{capybara_root}\//)61      saver.save62    end63    it 'has a default filename format of "screenshot_Y-M-D-H-M-S.ms.png"' do64      expect(driver_mock).to receive(:render).with(/#{file_basename}\.png$/)65      saver.save66    end67    it "does not append timestamp if append_timestamp is false " do68      default_config = Capybara::Screenshot.append_timestamp69      Capybara::Screenshot.append_timestamp = false70      expect(driver_mock).to receive(:render).with(/screenshot.png$/)71      saver.save72      Capybara::Screenshot.append_timestamp = default_config73    end74    it 'uses filename prefix argument as basename prefix' do75      saver = Capybara::Screenshot::Saver.new(capybara_mock, page_mock, true, 'custom-prefix')76      expect(driver_mock).to receive(:render).with(/#{capybara_root}\/custom-prefix_#{timestamp}\.png$/)77      saver.save78    end79  end80  it 'does not save html if false passed as html argument' do81    saver = Capybara::Screenshot::Saver.new(capybara_mock, page_mock, false)82    expect(capybara_mock).to_not receive(:save_page)83    saver.save84    expect(saver).to_not be_html_saved85  end86  context 'the current_path is empty' do87    before(:each) do88      allow(page_mock).to receive(:current_path).and_return(nil)89    end90    it 'does not save' do91      expect(capybara_mock).to_not receive(:save_page)92      expect(driver_mock).to_not receive(:render)93      saver.save94      expect(saver).to_not be_screenshot_saved95      expect(saver).to_not be_html_saved96    end97    it 'prints a warning' do98      expect(saver).to receive(:warn).with(99        'WARN: Screenshot could not be saved. `page.current_path` is empty.',100      )101      saver.save102    end103  end104  context 'when save_html raises' do105    before(:each) do106      allow(saver).to receive(:save_html).and_raise(NoMethodError.new('some error'))107    end108    it 'prints warning message' do109      expect(saver).to receive(:warn).with(110        'WARN: HTML source could not be saved. An exception is raised: #<NoMethodError: some error>.',111      )112      saver.save113    end114    it 'tries to save screenshot' do115      expect(saver).to receive(:save_screenshot)116      saver.save117    end118  end119  context 'when save_screenshot raises' do120    before(:each) do121      allow(saver).to receive(:save_screenshot).and_raise(NoMethodError.new('some error'))122    end123    it 'prints warning message' do124      expect(saver).to receive(:warn).with(125        'WARN: Screenshot could not be saved. An exception is raised: #<NoMethodError: some error>.',126      )127      saver.save128    end129    it 'tries to save screenshot' do130      expect(saver).to receive(:save_html)131      saver.save132    end133  end134  context 'when current_path raises' do135    before(:each) do136      allow(page_mock).to receive(:current_path).and_raise(NoMethodError.new('some error'))137    end138    it 'prints warning message' do139      expect(saver).to receive(:warn).with(140        'WARN: Screenshot could not be saved. `page.current_path` raised exception: #<NoMethodError: some error>.',141      )142      saver.save143    end144    it 'does not print extra warning message' do145      expect(saver).not_to receive(:warn).with(/is empty/)146      saver.save147    end148    it 'still restores the original value of Capybara.save_and_open_page_path' do149      Capybara::Screenshot.capybara_tmp_path = 'tmp/bananas'150      allow(page_mock).to receive(:current_path).and_raise151      saver.save152      if Capybara.respond_to?(:save_path)153        expect(Capybara.save_path).to eq('tmp/bananas')154      else155        expect(Capybara.save_and_open_page_path).to eq('tmp/bananas')156      end157    end158  end159  describe '#output_screenshot_path' do160    let(:saver) { Capybara::Screenshot::Saver.new(capybara_mock, page_mock) }161    before do162      allow(saver).to receive(:html_path) { 'page.html' }163      allow(saver).to receive(:screenshot_path) { 'screenshot.png' }164    end165    it 'outputs the path for the HTML screenshot' do166      allow(saver).to receive(:html_saved?).and_return(true)167      expect(saver).to receive(:output).with("HTML screenshot: page.html")168      saver.output_screenshot_path169    end170    it 'outputs the path for the Image screenshot' do171      allow(saver).to receive(:screenshot_saved?).and_return(true)172      expect(saver).to receive(:output).with("Image screenshot: screenshot.png")173      saver.output_screenshot_path174    end175  end176  describe 'callbacks' do177    let(:saver) { Capybara::Screenshot::Saver.new(capybara_mock, page_mock) }178    before do179      allow(saver).to receive(:html_path) { 'page.html' }180      allow(saver).to receive(:screenshot_path) { 'screenshot.png' }181    end182    before :all do183      Capybara::Screenshot.after_save_html do |path|184        puts "after_save_html ran with #{path}"185      end186      Capybara::Screenshot.after_save_screenshot do |path|187        puts "after_save_screenshot ran with #{path}"188      end189    end190    after :all do191      Capybara::Screenshot::Saver.instance_eval { @callbacks = nil }192    end193    it 'runs after_save_html callbacks' do194      expect do195        saver.save196      end.to output(/after_save_html ran with page\.html/).to_stdout197    end198    it 'runs after_save_screenshot callbacks' do199      expect do200        saver.save201      end.to output(/after_save_screenshot ran with screenshot\.png/).to_stdout202    end203  end204  describe "with selenium driver" do205    before do206      allow(capybara_mock).to receive(:current_driver).and_return(:selenium)207    end208    it 'saves via browser' do209      browser_mock = double('browser')210      expect(driver_mock).to receive(:browser).and_return(browser_mock)211      expect(browser_mock).to receive(:save_screenshot).with(screenshot_path)212      saver.save213      expect(saver).to be_screenshot_saved214    end215  end216  describe "with poltergeist driver" do217    before do218      allow(capybara_mock).to receive(:current_driver).and_return(:poltergeist)219    end220    it 'saves driver render with :full => true' do221      expect(driver_mock).to receive(:render).with(screenshot_path, {:full => true})222      saver.save223      expect(saver).to be_screenshot_saved224    end225  end226  describe "with poltergeist_billy driver" do227    before do228      allow(capybara_mock).to receive(:current_driver).and_return(:poltergeist_billy)229    end230    it 'saves driver render with :full => true' do231      expect(driver_mock).to receive(:render).with(screenshot_path, {:full => true})232      saver.save233      expect(saver).to be_screenshot_saved234    end235  end236  describe "with cuprite driver" do237    before do238      allow(capybara_mock).to receive(:current_driver).and_return(:cuprite)239    end240    it 'saves driver render with :full => true' do241      expect(driver_mock).to receive(:render).with(screenshot_path, {:full => true})242      saver.save243      expect(saver).to be_screenshot_saved244    end245  end246  describe "with webkit driver" do247    before do248      allow(capybara_mock).to receive(:current_driver).and_return(:webkit)249    end250    context 'has render method' do251      before do252        allow(driver_mock).to receive(:respond_to?).with(:'save_screenshot').and_return(false)253      end254      it 'saves driver render' do255        expect(driver_mock).to receive(:render).with(screenshot_path)256        saver.save257        expect(saver).to be_screenshot_saved258      end259    end260    context 'has save_screenshot method' do261      let(:webkit_options){ {width: 800, height: 600} }262      before do263        allow(driver_mock).to receive(:respond_to?).with(:'save_screenshot').and_return(true)264      end265      it 'saves driver render' do266        expect(driver_mock).to receive(:save_screenshot).with(screenshot_path, {})267        saver.save268        expect(saver).to be_screenshot_saved269      end270      it 'passes webkit_options to driver' do271        allow(Capybara::Screenshot).to receive(:webkit_options).and_return( webkit_options )272        expect(driver_mock).to receive(:save_screenshot).with(screenshot_path, webkit_options)273        saver.save274        expect(saver).to be_screenshot_saved275      end276    end277  end278  describe "with webkit debug driver" do279    before do280      allow(capybara_mock).to receive(:current_driver).and_return(:webkit_debug)281    end282    context 'has render method' do283      before do284        allow(driver_mock).to receive(:respond_to?).with(:'save_screenshot').and_return(false)285      end286      it 'saves driver render' do287        expect(driver_mock).to receive(:render).with(screenshot_path)288        saver.save289        expect(saver).to be_screenshot_saved290      end291    end292    context 'has save_screenshot method' do293      let(:webkit_options){ {width: 800, height: 600} }294      before do295        allow(driver_mock).to receive(:respond_to?).with(:'save_screenshot').and_return(true)296      end297      it 'saves driver render' do298        expect(driver_mock).to receive(:save_screenshot).with(screenshot_path, {})299        saver.save300        expect(saver).to be_screenshot_saved301      end302      it 'passes webkit_options to driver' do303        allow(Capybara::Screenshot).to receive(:webkit_options).and_return( webkit_options )304        expect(driver_mock).to receive(:save_screenshot).with(screenshot_path, webkit_options)305        saver.save306        expect(saver).to be_screenshot_saved307      end308    end309  end310  describe "with unknown driver" do311    before do312      allow(capybara_mock).to receive(:current_driver).and_return(:unknown)313      allow(saver).to receive(:warn).and_return(nil)314    end315    it 'saves driver render' do316      expect(driver_mock).to receive(:render).with(screenshot_path)317      saver.save318      expect(saver).to be_screenshot_saved319    end320    it 'outputs warning about unknown results' do321      # Not pure mock testing322      expect(saver).to receive(:warn).with(/screenshot driver for 'unknown'.*unknown results/).and_return(nil)323      saver.save324      expect(saver).to be_screenshot_saved325    end326    describe "with rack_test driver" do327      before do328        allow(capybara_mock).to receive(:current_driver).and_return(:rack_test)329      end330      it 'indicates that a screenshot could not be saved' do331        saver.save332        expect(saver).to_not be_screenshot_saved333      end334    end335    describe "with mechanize driver" do336      before do337        allow(capybara_mock).to receive(:current_driver).and_return(:mechanize)338      end339      it 'indicates that a screenshot could not be saved' do340        saver.save341        expect(saver).to_not be_screenshot_saved342      end343    end344  end345end...

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