add test for complete widget journey for simple event

src/tests/e2e/test_widget_journey_single.py

@@ -0,0 +1,72 @@
+import pytest
+from playwright.sync_api import Page, expect
+
+
+@pytest.mark.django_db
+class TestSingleEventJourney:
+    """
+    Complete purchase journeys for a regular event.
+    Tests item visibility, variation visibility, adding items and variations to cart, and checkout up until showing the iframe.
+    """
+
+    def test_full_purchase_journey(
+        self,
+        page: Page,
+        live_server_url: str,
+        organizer,
+        event,
+        items,
+        widget_page
+    ):
+
+        widget_page.goto(
+            live_server_url, organizer.slug, event.slug)
+
+        ga_item = page.locator('.pretix-widget-item:has-text("General Admission")')
+        expect(ga_item).to_be_visible()
+        expect(ga_item.locator('text=/50\\.00/')).to_be_visible()
+
+        vip_item = page.locator('.pretix-widget-item:has-text("VIP Ticket")')
+        expect(vip_item).to_be_visible()
+        expect(vip_item.locator('text=/150\\.00/')).to_be_visible()
+
+        widget_page.select_item_quantity('General Admission', 2)
+        widget_page.select_item_quantity('VIP Ticket', 1)
+
+        widget_page.click_buy_button()
+        iframe = widget_page.wait_for_iframe_checkout()
+
+        # TODO a bit janky selector
+        expect(iframe.locator('text=/250\\.00/')).to_be_visible(timeout=15000)
+
+    def test_journey_with_variations(
+        self,
+        page: Page,
+        live_server_url: str,
+        organizer,
+        event,
+        items,
+        item_with_variations,
+        widget_page
+    ):
+        item, _variations = item_with_variations
+
+        widget_page.goto(
+            live_server_url, organizer.slug, event.slug)
+
+        item_elem = page.locator(f'.pretix-widget-item:has-text("{item.name}")')
+        expect(item_elem).to_be_visible()
+
+        widget_page.expand_variations(item.name)
+        large_var = page.locator('.pretix-widget-variation:has(strong:text-is("Large"))')
+        expect(large_var).to_be_visible()
+        expect(large_var.locator('text=/25\\.00/')).to_be_visible()
+
+        widget_page.select_item_quantity('General Admission', 1)
+        widget_page.select_variation_quantity(item.name, 'Large', 1)
+
+        widget_page.click_buy_button()
+        iframe = widget_page.wait_for_iframe_checkout()
+
+        # TODO a bit janky selector
+        expect(iframe.locator('text=/75\\.00/')).to_be_visible(timeout=15000)