test: add coverage for Campaign naming and UTM mirroring

erpnext/crm/doctype/campaign/test_campaign.py

@@ -1,9 +1,31 @@
-# Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and Contributors
+# Copyright (c) 2026, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
-# import frappe
+
+import frappe
 
 from erpnext.tests.utils import ERPNextTestSuite
 
 
 class TestCampaign(ERPNextTestSuite):
-	pass
+	"""Campaign names itself from the campaign name (or a naming series) and mirrors
+	itself into a UTM Campaign."""
+
+	def setUp(self):
+		frappe.set_user("Administrator")
+
+	def make_campaign(self, **fields):
+		doc = frappe.new_doc("Campaign")
+		doc.campaign_name = fields.pop("campaign_name", f"_Test Campaign {frappe.generate_hash(length=6)}")
+		doc.update(fields)
+		return doc.insert()
+
+	def test_autoname_uses_the_campaign_name_by_default(self):
+		campaign = self.make_campaign(campaign_name="_Test Campaign Named")
+		self.assertEqual(campaign.name, "_Test Campaign Named")
+
+	def test_inserting_mirrors_into_a_utm_campaign(self):
+		campaign = self.make_campaign(campaign_name="_Test Campaign UTM", description="Spring push")
+		self.assertTrue(frappe.db.exists("UTM Campaign", campaign.campaign_name))
+		utm = frappe.get_doc("UTM Campaign", campaign.campaign_name)
+		self.assertEqual(utm.campaign_description, "Spring push")
+		self.assertEqual(utm.crm_campaign, campaign.campaign_name)