Tweak & fix alert specs

- Add more cases
- Simplify contexts
- Fix creating of existing_alert

spec/models/alert_management/alert_spec.rb

@@ -83,24 +83,21 @@ RSpec.describe AlertManagement::Alert do
     end
 
     describe 'fingerprint' do
+      let_it_be(:project) { create(:project) }
       let_it_be(:fingerprint) { 'fingerprint' }
-      let_it_be(:existing_alert) { create(:alert_management_alert, fingerprint: fingerprint) }
       let(:new_alert) { build(:alert_management_alert, fingerprint: fingerprint, project: project) }
 
       subject { new_alert }
 
       context 'adding an alert with the same fingerprint' do
-        context 'same project' do
-          let(:project) { existing_alert.project }
-
-          it { is_expected.not_to be_valid }
-
-          context 'various states' do
+        context 'same project, various states' do
           using RSpec::Parameterized::TableSyntax
 
           # We are only validating uniqueness for non-resolved alerts
           where(:existing_status, :new_status, :valid) do
             :resolved      | :triggered    | true
+            :resolved      | :acknowledged | true
+            :resolved      | :ignored      | true
             :resolved      | :resolved     | true
             :triggered     | :triggered    | false
             :triggered     | :acknowledged | false
@@ -117,18 +114,19 @@ RSpec.describe AlertManagement::Alert do
           end
 
           with_them do
-              let(:existing_alert) { create(:alert_management_alert, existing_status, fingerprint: fingerprint) }
+            let!(:existing_alert) { create(:alert_management_alert, existing_status, fingerprint: fingerprint, project: project) }
             let(:new_alert) { build(:alert_management_alert, new_status, fingerprint: fingerprint, project: project) }
 
-              it 'gives the correct validity' do
-                expect(new_alert.valid?).to eq(valid)
-              end
+            if params[:valid]
+              it { is_expected.to be_valid }
+            else
+              it { is_expected.to be_invalid }
             end
           end
         end
 
         context 'different project' do
-          let(:project) { create(:project) }
+          let!(:existing_alert) { create(:alert_management_alert, fingerprint: fingerprint) }
 
           it { is_expected.to be_valid }
         end