1 files changed, 38 insertions, 0 deletions
diff --git a/qa/spec/specs/runner_spec.rb b/qa/spec/specs/runner_spec.rb
index 5cc9ff403cd..e52ca1fb17c 100644
--- a/qa/spec/specs/runner_spec.rb
+++ b/qa/spec/specs/runner_spec.rb
@@ -14,6 +14,7 @@ RSpec.describe QA::Specs::Runner do
       allow(QA::Runtime::Browser).to receive(:configure!)
 
       QA::Runtime::Scenario.define(:gitlab_address, "http://gitlab.test")
+      QA::Runtime::Scenario.define(:klass, "QA::Scenario::Test::Instance::All")
     end
 
     it_behaves_like 'excludes orchestrated, transient, and geo'
@@ -43,6 +44,43 @@ RSpec.describe QA::Specs::Runner do
         subject.perform
       end
 
+      it 'writes to file when examples are more than zero' do
+        allow(RSpec::Core::Runner).to receive(:run).and_return(0)
+
+        expect(File).to receive(:open).with('no_of_examples/test_instance_all.txt', 'w') { '22' }
+
+        subject.perform
+      end
+
+      it 'does not write to file when zero examples' do
+        out.string = '0 examples,'
+        allow(RSpec::Core::Runner).to receive(:run).and_return(0)
+
+        expect(File).not_to receive(:open)
+
+        subject.perform
+      end
+
+      it 'raises error when Rspec output does not match regex' do
+        out.string = '0'
+        allow(RSpec::Core::Runner).to receive(:run).and_return(0)
+
+        expect { subject.perform }
+          .to raise_error(QA::Specs::Runner::RegexMismatchError, 'Rspec output did not match regex')
+      end
+
+      context 'when --tag is specified as an option' do
+        subject { described_class.new.tap { |runner| runner.options = %w[--tag actioncable] } }
+
+        it 'includes the option value in the file name' do
+          expect_rspec_runner_arguments(['--dry-run', '--tag', '~geo', '--tag', 'actioncable', *described_class::DEFAULT_TEST_PATH_ARGS], [$stderr, anything])
+
+          expect(File).to receive(:open).with('no_of_examples/test_instance_all_actioncable.txt', 'w') { '22' }
+
+          subject.perform
+        end
+      end
+
       after do
         QA::Runtime::Scenario.attributes.delete(:count_examples_only)
       end