Replace the 'project/merge_requests/accept.feature' spinach test with an rspec analog

changelogs/unreleased/replace_project_merge_requests_accept-feature.yml

+---
+title: Replace the 'project/merge_requests/accept.feature' spinach test with an rspec analog
+merge_request: 14176
+author: Vitaliy @blackst0ne Klachkov
+type: other

features/project/merge_requests/accept.feature

-@project_merge_requests
-Feature: Project Merge Requests Acceptance
-  Background:
-    Given There is an open Merge Request
-      And I am signed in as a developer of the project
-
-  @javascript
-  Scenario: Accepting the Merge Request and removing the source branch
-    Given I am on the Merge Request detail page
-    When I check the "Remove source branch" option
-    And I click on Accept Merge Request
-    Then I should see merge request merged
-    And I should not see the Remove Source Branch button
-
-  @javascript
-  Scenario: Accepting the Merge Request when URL has an anchor
-    Given I am on the Merge Request detail with note anchor page
-    When I check the "Remove source branch" option
-    And I click on Accept Merge Request
-    Then I should see merge request merged
-    And I should not see the Remove Source Branch button
-
-  @javascript
-  Scenario: Accepting the Merge Request without removing the source branch
-    Given I am on the Merge Request detail page
-    When I click on Accept Merge Request
-    Then I should see merge request merged
-    And I should see the Remove Source Branch button

features/steps/project/merge_requests/acceptance.rb

-class Spinach::Features::ProjectMergeRequestsAcceptance < Spinach::FeatureSteps
-  include LoginHelpers
-  include WaitForRequests
-
-  step 'I am on the Merge Request detail page' do
-    visit merge_request_path(@merge_request)
-  end
-
-  step 'I am on the Merge Request detail with note anchor page' do
-    visit merge_request_path(@merge_request, anchor: 'note_123')
-  end
-
-  step 'I uncheck the "Remove source branch" option' do
-    uncheck('Remove source branch')
-  end
-
-  step 'I check the "Remove source branch" option' do
-    check('Remove source branch')
-  end
-
-  step 'I click on Accept Merge Request' do
-    click_button('Merge')
-  end
-
-  step 'I should see the Remove Source Branch button' do
-    expect(page).to have_selector('.js-remove-branch-button')
-
-    # Wait for View Resource requests to complete so they don't blow up if they are
-    # only handled after `DatabaseCleaner` has already run
-    wait_for_requests
-  end
-
-  step 'I should not see the Remove Source Branch button' do
-    expect(page).not_to have_selector('.js-remove-branch-button')
-
-    # Wait for View Resource requests to complete so they don't blow up if they are
-    # only handled after `DatabaseCleaner` has already run
-    wait_for_requests
-  end
-
-  step 'There is an open Merge Request' do
-    @user = create(:user)
-    @project = create(:project, :public, :repository)
-    @project_member = create(:project_member, :developer, user: @user, project: @project)
-    @merge_request = create(:merge_request, :with_diffs, :simple, source_project: @project)
-  end
-
-  step 'I am signed in as a developer of the project' do
-    sign_in(@user)
-  end
-
-  step 'I should see merge request merged' do
-    expect(page).to have_content('The changes were merged into')
-  end
-end

spec/features/projects/merge_requests/user_accepts_merge_request_spec.rb

+require 'spec_helper'
+
+describe 'User accepts a merge request', :js do
+  let(:merge_request) { create(:merge_request, :with_diffs, :simple, source_project: project) }
+  let(:project) { create(:project, :public, :repository) }
+  let(:user) { create(:user) }
+
+  before do
+    project.add_developer(user)
+    sign_in(user)
+  end
+
+  context 'with removing the source branch' do
+    before do
+      visit(merge_request_path(merge_request))
+    end
+
+    it 'accepts a merge request' do
+      check('Remove source branch')
+      click_button('Merge')
+
+      expect(page).to have_content('The changes were merged into')
+      expect(page).not_to have_selector('.js-remove-branch-button')
+
+      # Wait for View Resource requests to complete so they don't blow up if they are
+      # only handled after `DatabaseCleaner` has already run.
+      wait_for_requests
+    end
+  end
+
+  context 'without removing the source branch' do
+    before do
+      visit(merge_request_path(merge_request))
+    end
+
+    it 'accepts a merge request' do
+      click_button('Merge')
+
+      expect(page).to have_content('The changes were merged into')
+      expect(page).to have_selector('.js-remove-branch-button')
+
+      # Wait for View Resource requests to complete so they don't blow up if they are
+      # only handled after `DatabaseCleaner` has already run
+      wait_for_requests
+    end
+  end
+
+  context 'when a URL has an anchor' do
+    before do
+      visit(merge_request_path(merge_request, anchor: 'note_123'))
+    end
+
+    it 'accepts a merge request' do
+      check('Remove source branch')
+      click_button('Merge')
+
+      expect(page).to have_content('The changes were merged into')
+      expect(page).not_to have_selector('.js-remove-branch-button')
+
+      # Wait for View Resource requests to complete so they don't blow up if they are
+      # only handled after `DatabaseCleaner` has already run
+      wait_for_requests
+    end
+  end
+end