fix: revive main dashboard analytics

tests/apps/organization/test_analytics_api.py

@@ -528,6 +528,89 @@ class OrganizationAnalyticsApiTest(APITestCase):
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertEqual(response.data["corporation_scope"], "roscosmos")
 
+    def test_dashboard_endpoint_groups_blank_clusters_by_corporation_scope(self):
+        OrganizationFactory.create(
+            cluster="",
+            executors_count=0,
+            gk_code="1",
+            gk_name='Госкорпорация "Роскосмос"',
+        )
+
+        response = self.client.get(
+            "/api/v1/analytics/dashboard/?corporation_scope=roskosmos"
+        )
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(
+            response.data["distribution_by_cluster"][0]["cluster"], "roscosmos"
+        )
+        self.assertEqual(
+            response.data["distribution_by_cluster"][0]["cluster_label"],
+            "Госкорпорация «Роскосмос»",
+        )
+
+    def test_dashboard_endpoint_counts_goz_organizations_when_executors_are_missing(
+        self,
+    ):
+        OrganizationFactory.create(
+            cluster="",
+            executors_count=0,
+            gk_code="1",
+            gk_name='Госкорпорация "Роскосмос"',
+            goz_participation=True,
+        )
+        OrganizationFactory.create(
+            cluster="",
+            executors_count=0,
+            gk_code="1",
+            gk_name='Госкорпорация "Роскосмос"',
+            goz_participation=False,
+        )
+
+        response = self.client.get(
+            "/api/v1/analytics/dashboard/?corporation_scope=roskosmos"
+        )
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(
+            response.data["executors_by_cluster"][0]["cluster"], "roscosmos"
+        )
+        self.assertEqual(
+            response.data["executors_by_cluster"][0]["executors_count"], 1
+        )
+
+    def test_dashboard_endpoint_uses_latest_available_f3_years_for_growth(self):
+        organization = OrganizationFactory.create(
+            cluster="space",
+            executors_count=0,
+            gk_code="1",
+            gk_name='Госкорпорация "Роскосмос"',
+        )
+        FormF3RecordFactory.create(
+            organization=organization,
+            report_year=2023,
+            report_quarter=4,
+            avg_employees=100,
+        )
+        FormF3RecordFactory.create(
+            organization=organization,
+            report_year=2024,
+            report_quarter=4,
+            avg_employees=150,
+        )
+
+        response = self.client.get(
+            "/api/v1/analytics/dashboard/?corporation_scope=roskosmos"
+        )
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(
+            response.data["headcount_growth_by_cluster"][0]["cluster"], "space"
+        )
+        self.assertEqual(
+            response.data["headcount_growth_by_cluster"][0]["growth_percent"], 50.0
+        )
+
     def test_analytics_query_validation(self):
         response = self.client.get(
             f"/api/v1/organizations/{self.organization.id}/analytics/economics/"