Add search to the resolver

- add specs
- update docs

app/graphql/resolvers/alert_management_alert_resolver.rb

@@ -15,6 +15,10 @@ module Resolvers
               description: 'Sort alerts by this criteria',
               required: false
 
+    argument :search, GraphQL::STRING_TYPE,
+              description: 'Search criteria for filtering alerts. This will search on title, description, service, monitoring_tool.',
+              required: false
+
     type Types::AlertManagement::AlertType, null: true
 
     def resolve(**args)

doc/api/graphql/reference/gitlab_schema.graphql

@@ -6894,6 +6894,11 @@ type Project {
     """
     iid: String
 
+    """
+    Search criteria for filtering alerts. This will search on title, description, service, monitoring_tool.
+    """
+    search: String
+
     """
     Sort alerts by this criteria
     """
@@ -6934,6 +6939,11 @@ type Project {
     """
     last: Int
 
+    """
+    Search criteria for filtering alerts. This will search on title, description, service, monitoring_tool.
+    """
+    search: String
+
     """
     Sort alerts by this criteria
     """

doc/api/graphql/reference/gitlab_schema.json

@@ -20655,6 +20655,16 @@
                     "ofType": null
                   },
                   "defaultValue": null
+                },
+                {
+                  "name": "search",
+                  "description": "Search criteria for filtering alerts. This will search on title, description, service, monitoring_tool.",
+                  "type": {
+                    "kind": "SCALAR",
+                    "name": "String",
+                    "ofType": null
+                  },
+                  "defaultValue": null
                 }
               ],
               "type": {
@@ -20707,6 +20717,16 @@
                   },
                   "defaultValue": null
                 },
+                {
+                  "name": "search",
+                  "description": "Search criteria for filtering alerts. This will search on title, description, service, monitoring_tool.",
+                  "type": {
+                    "kind": "SCALAR",
+                    "name": "String",
+                    "ofType": null
+                  },
+                  "defaultValue": null
+                },
                 {
                   "name": "after",
                   "description": "Returns the elements in the list that come after the specified cursor.",

spec/requests/api/graphql/project/alert_management/alerts_spec.rb

@@ -10,6 +10,7 @@ describe 'getting Alert Management Alerts' do
   let_it_be(:alert_1) { create(:alert_management_alert, :all_fields, :resolved, project: project, issue: nil, severity: :low) }
   let_it_be(:alert_2) { create(:alert_management_alert, :all_fields, project: project, severity: :critical, payload: payload) }
   let_it_be(:other_project_alert) { create(:alert_management_alert, :all_fields) }
+  let(:params) { {} }
 
   let(:fields) do
     <<~QUERY
@@ -23,7 +24,7 @@ describe 'getting Alert Management Alerts' do
     graphql_query_for(
       'project',
       { 'fullPath' => project.full_path },
-      query_graphql_field('alertManagementAlerts', {}, fields)
+      query_graphql_field('alertManagementAlerts', params, fields)
     )
   end
 
@@ -83,13 +84,7 @@ describe 'getting Alert Management Alerts' do
       end
 
       context 'with iid given' do
-        let(:query) do
-          graphql_query_for(
-            'project',
-            { 'fullPath' => project.full_path },
-            query_graphql_field('alertManagementAlerts', { iid: alert_1.iid.to_s }, fields)
-          )
-        end
+        let(:params) { { iid: alert_1.iid.to_s } }
 
         it_behaves_like 'a working graphql query'
 
@@ -98,14 +93,6 @@ describe 'getting Alert Management Alerts' do
       end
 
       context 'sorting data given' do
-        let(:query) do
-          graphql_query_for(
-            'project',
-            { 'fullPath' => project.full_path },
-            query_graphql_field('alertManagementAlerts', params, fields)
-          )
-        end
-
         let(:params) { 'sort: SEVERITY_DESC' }
         let(:iids) { alerts.map { |a| a['iid'] } }
 
@@ -123,6 +110,21 @@ describe 'getting Alert Management Alerts' do
           end
         end
       end
+
+      context 'searching' do
+        let(:params) { { search: alert_1.title } }
+
+        it_behaves_like 'a working graphql query'
+
+        it { expect(alerts.size).to eq(1) }
+        it { expect(first_alert['iid']).to eq(alert_1.iid.to_s) }
+
+        context 'unknown criteria' do
+          let(:params) { { search: 'something random' } }
+
+          it { expect(alerts.size).to eq(0) }
+        end
+      end
     end
   end
 end