Reorganize test dir to ensure test of installed pkg

tests/test_user_cpuif/testcase.py

@@ -0,0 +1,49 @@
+import os
+
+from peakrdl.regblock.cpuif.apb3 import APB3_Cpuif
+from ..lib.cpuifs.apb3 import APB3
+from ..lib.base_testcase import BaseTestCase
+
+
+#-------------------------------------------------------------------------------
+
+class ClassOverride_Cpuif(APB3_Cpuif):
+    @property
+    def port_declaration(self) -> str:
+        return "user_apb3_intf.slave s_apb"
+
+class ClassOverride_cpuiftestmode(APB3):
+    cpuif_cls = ClassOverride_Cpuif
+
+
+class Test_class_override(BaseTestCase):
+    cpuif = ClassOverride_cpuiftestmode()
+
+    def test_override_success(self):
+        output_file = os.path.join(self.get_run_dir(), "regblock.sv")
+        with open(output_file, "r") as f:
+            self.assertIn(
+                "user_apb3_intf.slave s_apb",
+                f.read()
+            )
+
+#-------------------------------------------------------------------------------
+
+class TemplateOverride_Cpuif(APB3_Cpuif):
+    # contains the text "USER TEMPLATE OVERRIDE"
+    template_path = "user_apb3_tmpl.sv"
+
+class TemplateOverride_cpuiftestmode(APB3):
+    cpuif_cls = TemplateOverride_Cpuif
+
+
+class Test_template_override(BaseTestCase):
+    cpuif = TemplateOverride_cpuiftestmode()
+
+    def test_override_success(self):
+        output_file = os.path.join(self.get_run_dir(), "regblock.sv")
+        with open(output_file, "r") as f:
+            self.assertIn(
+                "USER TEMPLATE OVERRIDE",
+                f.read()
+            )