Set capybara as the default host in system specs

See: rails/rails@ea77dbf#diff-ff5f366a442b8761d35f94807700fa77R162
rspec · May 25, 2020 · 0623e8a · 0623e8a
1 parent 1e8d7df
commit 0623e8a
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diff --git a/lib/rspec/rails/example/system_example_group.rb b/lib/rspec/rails/example/system_example_group.rb
@@ -102,9 +102,12 @@ def driven_by(driver, **driver_options, &blk)
 
         before do
           @routes = ::Rails.application.routes
+          @original_host = default_url_options[:host]
+          default_url_options.merge!(host: Capybara.app_host)
         end
 
         after do
+          default_url_options.merge!(host: @original_host)
           orig_stdout = $stdout
           $stdout = StringIO.new
           begin

diff --git a/spec/rspec/rails/example/system_example_group_spec.rb b/spec/rspec/rails/example/system_example_group_spec.rb
@@ -18,6 +18,40 @@ module RSpec::Rails
         end
       end
 
+      describe 'rails url helpers' do
+        it 'have the rails system test default host' do
+          full_url = nil
+          group = RSpec::Core::ExampleGroup.describe do
+            include SystemExampleGroup
+
+            specify do
+              @routes.draw { get "/" => "page#index", as: :root }
+              full_url = root_url
+            end
+          end
+          group.run(failure_reporter)
+          expect(failure_reporter.exceptions).to eq []
+          expect(full_url).to match a_string_including(ActionDispatch::SystemTesting::TestHelpers::SetupAndTeardown::DEFAULT_HOST)
+        end
+      end
+
+      describe '#url_options' do
+        it 'has the rails system test default host' do
+          rails_url_options = {}
+          group = RSpec::Core::ExampleGroup.describe do
+            include SystemExampleGroup
+
+            specify { rails_url_options.merge!(url_options) }
+          end
+          group.run(failure_reporter)
+          expect(failure_reporter.exceptions).to eq []
+
+          expect(
+            rails_url_options
+          ).to match hash_including(host: ActionDispatch::SystemTesting::TestHelpers::SetupAndTeardown::DEFAULT_HOST)
+        end
+      end
+
       describe '#driver' do
         it 'uses :selenium driver by default' do
           group = RSpec::Core::ExampleGroup.describe do