add nightly tests, fix sanity

ci/docker/runtime_functions.sh

@@ -1594,6 +1594,18 @@ nightly_estimator() {
     nosetests test_sentiment_rnn.py
 }
 
+nightly_onnx_operator_tests() {
+    set -ex
+    export PYTHONPATH=./python/
+    export MXNET_SUBGRAPH_VERBOSE=0
+    export DMLC_LOG_STACK_TRACE_DEPTH=10
+    COV_ARG="--cov=./ --cov-report=xml --cov-append"
+    pip3 install onnx==1.8.1
+    pytest $COV_ARG --verbose tests/python-pytest/onnx/test_operators.py
+    pip3 install onnx==1.7.0
+    pytest $COV_ARG --verbose tests/python-pytest/onnx/test_operators.py
+}
+
 nightly_onnx_cv_tests() {
     set -ex
     export PYTHONPATH=./python/

python/mxnet/contrib/onnx/mx2onnx/export_onnx.py

@@ -89,10 +89,8 @@ def convert_layer(node, **kwargs):
                               + "Instructions to install - https://github.com/onnx/onnx")
 
         op = str(node["op"])
-        opset_version = onnx_opset_version()
-        if 'opset_version' in kwargs:
-            opset_version = kwargs["opset_version"] 
-        # fallback to older opset versions if op is not registered in current version  
+        opset_version = kwargs.get("opset_version", onnx_opset_version())
+        # fallback to older opset versions if op is not registered in current version
         for op_version in range(opset_version, 10, -1):
             if op_version not in MXNetGraph.registry_ or op not in MXNetGraph.registry_[op_version]:
                 if opset_version == 11:

tests/nightly/JenkinsfileForBinaries

@@ -94,6 +94,14 @@ core_logic: {
         }
       }
     },
+    'ONNX-operator: CPU': {
+      node(NODE_LINUX_CPU) {
+        ws('workspace/onnx-operator-test-cpu') {
+          utils.unpack_and_init('cpu_int64', mx_cmake_lib)
+          utils.docker_run('ubuntu_nightly_cpu', 'nightly_onnx_operator_tests', false)
+        }
+      }
+    },
     'ONNX-CV: CPU': {
       node(NODE_LINUX_CPU) {
         ws('workspace/onnx-cv-test-cpu') {