test(mnn): add mnn unit testings

Author: SWHL

python/tests/test_engine.py

@@ -17,7 +17,13 @@
 
 @mark.parametrize(
     "engine_type",
-    [EngineType.ONNXRUNTIME, EngineType.PADDLE, EngineType.OPENVINO, EngineType.TORCH],
+    [
+        EngineType.ONNXRUNTIME,
+        EngineType.PADDLE,
+        EngineType.OPENVINO,
+        EngineType.TORCH,
+        EngineType.MNN,
+    ],
 )
 def test_ppocrv5_rec_mobile(engine_type):
     engine = RapidOCR(
@@ -36,7 +42,13 @@ def test_ppocrv5_rec_mobile(engine_type):
 
 @mark.parametrize(
     "engine_type",
-    [EngineType.ONNXRUNTIME, EngineType.PADDLE, EngineType.OPENVINO, EngineType.TORCH],
+    [
+        EngineType.ONNXRUNTIME,
+        EngineType.PADDLE,
+        EngineType.OPENVINO,
+        EngineType.TORCH,
+        EngineType.MNN,
+    ],
 )
 def test_ppocrv5_det_mobile(engine_type):
     engine = RapidOCR(

python/tests/test_rec_language.py

@@ -75,7 +75,7 @@ def test_arabic_lang(engine_type):
 
 @mark.parametrize(
     "engine_type",
-    [EngineType.ONNXRUNTIME, EngineType.OPENVINO, EngineType.PADDLE],
+    [EngineType.ONNXRUNTIME, EngineType.OPENVINO, EngineType.PADDLE, EngineType.MNN],
 )
 def test_el_lang(engine_type):
     engine = RapidOCR(
@@ -95,7 +95,7 @@ def test_el_lang(engine_type):
 
 @mark.parametrize(
     "engine_type",
-    [EngineType.ONNXRUNTIME, EngineType.OPENVINO, EngineType.PADDLE],
+    [EngineType.ONNXRUNTIME, EngineType.OPENVINO, EngineType.PADDLE, EngineType.MNN],
 )
 def test_th_lang(engine_type):
     engine = RapidOCR(
@@ -176,7 +176,7 @@ def test_korean_lang(ocr_version, gt):
 
 @mark.parametrize(
     "engine_type",
-    [EngineType.ONNXRUNTIME, EngineType.OPENVINO, EngineType.PADDLE],
+    [EngineType.ONNXRUNTIME, EngineType.OPENVINO, EngineType.PADDLE, EngineType.MNN],
 )
 def test_latin_lang(engine_type):
     engine = RapidOCR(
@@ -198,7 +198,7 @@ def test_latin_lang(engine_type):
 
 @mark.parametrize(
     "engine_type",
-    [EngineType.ONNXRUNTIME, EngineType.OPENVINO, EngineType.PADDLE],
+    [EngineType.ONNXRUNTIME, EngineType.OPENVINO, EngineType.PADDLE, EngineType.MNN],
 )
 def test_eslav_lang(engine_type):
     engine = RapidOCR(