Merge branch 'refactor-event-spec' into 'master'

Union examples in event spec for speed up

## What does this MR do?

Increase tests speed for event model.

## Why was this MR needed?

This change saves about 15-18 seconds.

See merge request !6821

spec/models/event_spec.rb

@@ -27,17 +27,17 @@ describe Event, models: true do
   end
 
   describe "Push event" do
-    before do
-      project = create(:project)
-      @user = project.owner
-      @event = create_event(project, @user)
-    end
+    let(:project) { create(:project) }
+    let(:user) { project.owner }
+    let(:event) { create_event(project, user) }
 
-    it { expect(@event.push?).to be_truthy }
-    it { expect(@event.visible_to_user?).to be_truthy }
-    it { expect(@event.tag?).to be_falsey }
-    it { expect(@event.branch_name).to eq("master") }
-    it { expect(@event.author).to eq(@user) }
+    it do
+      expect(event.push?).to be_truthy
+      expect(event.visible_to_user?).to be_truthy
+      expect(event.tag?).to be_falsey
+      expect(event.branch_name).to eq("master")
+      expect(event.author).to eq(user)
+    end
   end
 
   describe '#note?' do
@@ -79,23 +79,27 @@ describe Event, models: true do
       context 'for non confidential issues' do
         let(:target) { issue }
 
-        it { expect(event.visible_to_user?(non_member)).to eq true }
-        it { expect(event.visible_to_user?(author)).to eq true }
-        it { expect(event.visible_to_user?(assignee)).to eq true }
-        it { expect(event.visible_to_user?(member)).to eq true }
-        it { expect(event.visible_to_user?(guest)).to eq true }
-        it { expect(event.visible_to_user?(admin)).to eq true }
+        it do
+          expect(event.visible_to_user?(non_member)).to eq true
+          expect(event.visible_to_user?(author)).to eq true
+          expect(event.visible_to_user?(assignee)).to eq true
+          expect(event.visible_to_user?(member)).to eq true
+          expect(event.visible_to_user?(guest)).to eq true
+          expect(event.visible_to_user?(admin)).to eq true
+        end
       end
 
       context 'for confidential issues' do
         let(:target) { confidential_issue }
 
-        it { expect(event.visible_to_user?(non_member)).to eq false }
-        it { expect(event.visible_to_user?(author)).to eq true }
-        it { expect(event.visible_to_user?(assignee)).to eq true }
-        it { expect(event.visible_to_user?(member)).to eq true }
-        it { expect(event.visible_to_user?(guest)).to eq false }
-        it { expect(event.visible_to_user?(admin)).to eq true }
+        it do
+          expect(event.visible_to_user?(non_member)).to eq false
+          expect(event.visible_to_user?(author)).to eq true
+          expect(event.visible_to_user?(assignee)).to eq true
+          expect(event.visible_to_user?(member)).to eq true
+          expect(event.visible_to_user?(guest)).to eq false
+          expect(event.visible_to_user?(admin)).to eq true
+        end
       end
     end
 
@@ -103,23 +107,27 @@ describe Event, models: true do
       context 'on non confidential issues' do
         let(:target) { note_on_issue }
 
-        it { expect(event.visible_to_user?(non_member)).to eq true }
-        it { expect(event.visible_to_user?(author)).to eq true }
-        it { expect(event.visible_to_user?(assignee)).to eq true }
-        it { expect(event.visible_to_user?(member)).to eq true }
-        it { expect(event.visible_to_user?(guest)).to eq true }
-        it { expect(event.visible_to_user?(admin)).to eq true }
+        it do
+          expect(event.visible_to_user?(non_member)).to eq true
+          expect(event.visible_to_user?(author)).to eq true
+          expect(event.visible_to_user?(assignee)).to eq true
+          expect(event.visible_to_user?(member)).to eq true
+          expect(event.visible_to_user?(guest)).to eq true
+          expect(event.visible_to_user?(admin)).to eq true
+        end
       end
 
       context 'on confidential issues' do
         let(:target) { note_on_confidential_issue }
 
-        it { expect(event.visible_to_user?(non_member)).to eq false }
-        it { expect(event.visible_to_user?(author)).to eq true }
-        it { expect(event.visible_to_user?(assignee)).to eq true }
-        it { expect(event.visible_to_user?(member)).to eq true }
-        it { expect(event.visible_to_user?(guest)).to eq false }
-        it { expect(event.visible_to_user?(admin)).to eq true }
+        it do
+          expect(event.visible_to_user?(non_member)).to eq false
+          expect(event.visible_to_user?(author)).to eq true
+          expect(event.visible_to_user?(assignee)).to eq true
+          expect(event.visible_to_user?(member)).to eq true
+          expect(event.visible_to_user?(guest)).to eq false
+          expect(event.visible_to_user?(admin)).to eq true
+        end
       end
     end
 
@@ -129,22 +137,26 @@ describe Event, models: true do
       let(:note_on_merge_request) { create(:legacy_diff_note_on_merge_request, noteable: merge_request, project: project) }
       let(:target) { note_on_merge_request }
 
-      it { expect(event.visible_to_user?(non_member)).to eq true }
-      it { expect(event.visible_to_user?(author)).to eq true }
-      it { expect(event.visible_to_user?(assignee)).to eq true }
-      it { expect(event.visible_to_user?(member)).to eq true }
-      it { expect(event.visible_to_user?(guest)).to eq true }
-      it { expect(event.visible_to_user?(admin)).to eq true }
+      it do
+        expect(event.visible_to_user?(non_member)).to eq true
+        expect(event.visible_to_user?(author)).to eq true
+        expect(event.visible_to_user?(assignee)).to eq true
+        expect(event.visible_to_user?(member)).to eq true
+        expect(event.visible_to_user?(guest)).to eq true
+        expect(event.visible_to_user?(admin)).to eq true
+      end
 
       context 'private project' do
         let(:project) { create(:project, :private) }
 
-        it { expect(event.visible_to_user?(non_member)).to eq false }
-        it { expect(event.visible_to_user?(author)).to eq true }
-        it { expect(event.visible_to_user?(assignee)).to eq true }
-        it { expect(event.visible_to_user?(member)).to eq true }
-        it { expect(event.visible_to_user?(guest)).to eq false }
-        it { expect(event.visible_to_user?(admin)).to eq true }
+        it do
+          expect(event.visible_to_user?(non_member)).to eq false
+          expect(event.visible_to_user?(author)).to eq true
+          expect(event.visible_to_user?(assignee)).to eq true
+          expect(event.visible_to_user?(member)).to eq true
+          expect(event.visible_to_user?(guest)).to eq false
+          expect(event.visible_to_user?(admin)).to eq true
+        end
       end
     end
   end
@@ -214,6 +226,6 @@ describe Event, models: true do
       action: Event::PUSHED,
       data: data,
       author_id: user.id
-    }.merge(attrs))
+    }.merge!(attrs))
   end
 end