Add variable tensor fields for test descriptors

- Add variable_name and variable_file to the desc.json file
  for writing variable tensors to numpy
- Add the key of num_variables in the unit test declaration to
  specify the number of variable tensors in the graph

Signed-off-by: Jerry Ge <jerry.ge@arm.com>
Change-Id: I1109f66ffed52e49dbb14f4a8aca64baa2bea622

1 files changed, 4 insertions, 0 deletions

diff --git a/verif/frameworks/write_test_json.py b/verif/frameworks/write_test_json.py
index 4e3aa40..cd42198 100644
--- a/verif/frameworks/write_test_json.py
+++ b/verif/frameworks/write_test_json.py
@@ -20,6 +20,7 @@ def write_test_json(
     framework_exclusions=None,
     quantized=False,
     test_name=None,
+    num_variables=None,
 ):
 
     test_desc = dict()
@@ -74,5 +75,8 @@ def write_test_json(
     if quantized:
         test_desc["quantized"] = 1
 
+    if num_variables:
+        test_desc["num_variables"] = num_variables
+
     with open(filename, "w") as f:
         json.dump(test_desc, f, indent="  ")