新增多证书模板管理流程

backend/tests/test_certificate_templates.py

@@ -0,0 +1,33 @@
+from datetime import date
+from types import SimpleNamespace
+
+from app.services.certificate_templates import (
+    CLASSIC_TEMPLATE_CODE,
+    PRACTICE_CAMP_TEMPLATE_CODE,
+    get_certificate_template,
+    list_certificate_templates,
+)
+from app.services.pdf import render_certificate_image
+
+
+def test_builtin_certificate_templates_have_assets():
+    templates = list_certificate_templates()
+
+    assert {item.code for item in templates} == {CLASSIC_TEMPLATE_CODE, PRACTICE_CAMP_TEMPLATE_CODE}
+    assert all(item.asset_path.exists() for item in templates)
+
+
+def test_practice_camp_template_renders_four_dynamic_values():
+    certificate = SimpleNamespace(
+        template_code=PRACTICE_CAMP_TEMPLATE_CODE,
+        course_start_date=date(2026, 3, 1),
+        course_end_date=date(2026, 8, 31),
+        issue_date=date(2026, 9, 5),
+    )
+    learner = SimpleNamespace(current_name="张晓慧")
+
+    rendered = render_certificate_image(certificate, learner, None)
+    template = get_certificate_template(PRACTICE_CAMP_TEMPLATE_CODE)
+
+    assert rendered.size == (3437, 2551)
+    assert template.dynamic_fields == ("姓名", "课程开始日期", "课程结束日期", "发证日期")