add test to ci unix cpu

ci/docker/runtime_functions.sh

@@ -519,6 +519,7 @@ build_ubuntu_cpu_mkldnn() {
         -DUSE_MKLDNN=ON \
         -DUSE_CUDA=OFF \
         -DUSE_CPP_PACKAGE=ON \
+        -DBUILD_EXTENSION_PATH=/work/mxnet/example/extensions/lib_external_ops \
         -G Ninja /work/mxnet
     ninja
 }

ci/jenkins/Jenkins_steps.groovy

@@ -32,7 +32,7 @@ mx_cmake_lib_no_tvm_op = 'build/libmxnet.so, build/libcustomop_lib.so, build/lib
 mx_cmake_lib_cython = 'build/libmxnet.so, build/3rdparty/tvm/libtvm_runtime.so, build/libtvmop.so, build/tvmop.conf, build/tests/mxnet_unit_tests, build/3rdparty/openmp/runtime/src/libomp.so, python/mxnet/_cy3/*.so, python/mxnet/_ffi/_cy3/*.so'
 // mxnet cmake libraries, in cmake builds we do not produce a libnvvm static library by default.
 mx_cmake_lib_debug = 'build/libmxnet.so, build/3rdparty/tvm/libtvm_runtime.so, build/libtvmop.so, build/tvmop.conf, build/libcustomop_lib.so, build/libcustomop_gpu_lib.so, build/libsubgraph_lib.so, build/tests/mxnet_unit_tests'
-mx_mkldnn_lib = 'build/libmxnet.so, build/3rdparty/tvm/libtvm_runtime.so, build/libtvmop.so, build/tvmop.conf, build/3rdparty/openmp/runtime/src/libomp.so, build/libcustomop_lib.so, build/libcustomop_gpu_lib.so, build/libsubgraph_lib.so'
+mx_mkldnn_lib = 'build/libmxnet.so, build/3rdparty/tvm/libtvm_runtime.so, build/libtvmop.so, build/tvmop.conf, build/3rdparty/openmp/runtime/src/libomp.so, build/libcustomop_lib.so, build/libcustomop_gpu_lib.so, build/libsubgraph_lib.so, example/extensions/lib_external_ops/build/libexternal_lib.so'
 mx_tensorrt_lib = 'build/libmxnet.so, build/3rdparty/tvm/libtvm_runtime.so, build/libtvmop.so, build/tvmop.conf, build/3rdparty/openmp/runtime/src/libomp.so, lib/libnvonnxparser_runtime.so.0, lib/libnvonnxparser.so.0, lib/libonnx_proto.so, lib/libonnx.so'
 mx_lib_cpp_examples = 'build/libmxnet.so, build/3rdparty/tvm/libtvm_runtime.so, build/libtvmop.so, build/tvmop.conf, build/3rdparty/openmp/runtime/src/libomp.so, build/libcustomop_lib.so, build/libcustomop_gpu_lib.so, build/libsubgraph_lib.so, python/mxnet/_cy3/*.so, python/mxnet/_ffi/_cy3/*.so'
 mx_lib_cpp_examples_no_tvm_op = 'build/libmxnet.so, build/libcustomop_lib.so, build/libcustomop_gpu_lib.so, build/libsubgraph_lib.so, build/3rdparty/openmp/runtime/src/libomp.so, python/mxnet/_cy3/*.so, python/mxnet/_ffi/_cy3/*.so'

tests/python/unittest/test_extensions.py

@@ -28,8 +28,8 @@
 import pytest
 
 base_path = os.path.join(os.path.dirname(__file__), "../../..")
-def check_platform():
-    return platform.machine() not in ['x86_64', 'AMD64']
+def check_platform(supported_platforms=['x86_64', 'AMD64']):
+    return platform.machine() not in supported_platforms
 
 @pytest.mark.skipif(check_platform(), reason="not all machine types supported")
 @pytest.mark.skipif(is_cd_run(), reason="continuous delivery run - ignoring test")
@@ -179,3 +179,24 @@ def test_subgraph():
     out5 = sym_block3(a_data, b_data)
     # check that result matches one executed by MXNet
     assert_almost_equal(out[0].asnumpy(), out5[0].asnumpy(), rtol=1e-3, atol=1e-3)
+
+@pytest.mark.skipif(check_platform(['x86_64']), reason="not all machine types supported")
+@pytest.mark.skipif(is_cd_run(), reason="continuous delivery run - ignoring test")
+def test_external_op():
+    # check if operator already exists
+    if hasattr(mx.nd, 'min_ex'):
+        raise MXNetError('Operator already loaded')
+
+    lib = 'libexternal_lib.so'
+    fname = os.path.join(base_path,'example/extensions/lib_external_ops/build/'+lib)
+    if not os.path.exists(fname):
+        raise MXNetError("library %s not found " % lib)
+
+    fname = os.path.abspath(fname)
+    mx.library.load(fname, False)
+
+    # execute operator
+    try:
+        mx.nd.min_ex()
+    except:
+        raise MXNetError('Operator not loaded successfully')