Add Python unit tests and fix lcov capture to pass codecov/project

.github/workflows/ut.yml

@@ -72,11 +72,26 @@ jobs:
           cd build
           ARK_UT_CORRECTNESS=1 ARK_ROOT=$PWD ctest -L correctness --stop-on-failure --verbose --schedule-random
 
+      - name: Install Python Dependencies
+        if: github.event_name != 'schedule'
+        run: |
+          python3 -m pip install -r requirements.txt
+
+      - name: Run Python UT
+        if: github.event_name != 'schedule'
+        run: |
+          cd build
+          PYTHONPATH=$PWD/python ARK_ROOT=$PWD python3 -m pytest \
+              --cov=python/ark \
+              --cov-report lcov:py_coverage.info \
+              --verbose \
+              ../python/unittest/
+
       - name: C++ Coverage
         if: github.event_name != 'schedule'
         run: |
           cd build
-          lcov --ignore-errors negative --capture --directory . --output-file cpp_coverage.info
+          lcov --ignore-errors negative,mismatch --capture --directory . --output-file cpp_coverage.info
           lcov --ignore-errors unused --remove cpp_coverage.info \
               '/usr/*' \
               '/tmp/*' \
@@ -90,21 +105,6 @@ jobs:
               --output-file cpp_coverage.info
           lcov --list cpp_coverage.info
 
-      - name: Install Python Dependencies
-        if: github.event_name != 'schedule'
-        run: |
-          python3 -m pip install -r requirements.txt
-
-      - name: Run Python UT
-        if: github.event_name != 'schedule'
-        run: |
-          cd build
-          PYTHONPATH=$PWD/python ARK_ROOT=$PWD python3 -m pytest \
-              --cov=python/ark \
-              --cov-report lcov:py_coverage.info \
-              --verbose \
-              ../python/unittest/
-
       - name: Report Coverage
         if: github.event_name != 'schedule'
         env:

ark/CMakeLists.txt

@@ -79,21 +79,10 @@ if(ARK_BUILD_TESTS)
     endforeach()
 
     # Tests that call op_test() and require ARK_UT_CORRECTNESS=1 for real validation.
-    # Keep in sync: grep -l 'op_test(' ark/ops/*_test.cpp
+    # Remaining C++ correctness tests (most ops migrated to python/unittest/ops/).
     set(CORRECTNESS_TESTS
         ops_all_reduce_test
-        ops_arithmetic_test
-        ops_cast_test
         ops_copy_test
-        ops_embedding_test
-        ops_layernorm_test
-        ops_math_test
-        ops_matmul_test
-        ops_reduce_test
-        ops_rope_test
-        ops_scalar_test
-        ops_softmax_test
-        ops_transpose_test
     )
     set_tests_properties(${CORRECTNESS_TESTS} PROPERTIES LABELS "correctness")
 endif()