3 files changed, 19 insertions, 0 deletions
diff --git a/python-packages/order_utils/test/__init__.py b/python-packages/order_utils/test/__init__.py
new file mode 100644
index 000000000..ec5b114aa
--- /dev/null
+++ b/python-packages/order_utils/test/__init__.py
@@ -0,0 +1 @@
+"""Tests of zero_x.order_utils."""
diff --git a/python-packages/order_utils/test/test_doctest.py b/python-packages/order_utils/test/test_doctest.py
new file mode 100644
index 000000000..a0e61f84a
--- /dev/null
+++ b/python-packages/order_utils/test/test_doctest.py
@@ -0,0 +1,10 @@
+"""Exercise doctests for order_utils module."""
+
+from doctest import testmod
+from zero_ex.order_utils import signature_utils
+
+
+def test_doctest():
+    """Invoke doctest on the module."""
+    (failure_count, _) = testmod(signature_utils)
+    assert failure_count == 0
diff --git a/python-packages/order_utils/test/test_signature_utils.py b/python-packages/order_utils/test/test_signature_utils.py
new file mode 100644
index 000000000..7e830f9f8
--- /dev/null
+++ b/python-packages/order_utils/test/test_signature_utils.py
@@ -0,0 +1,8 @@
+"""Tests of 0x.order_utils.signature_utils.*."""
+
+from zero_ex.order_utils.signature_utils import ec_sign_order_hash
+
+
+def test_ec_sign_order_hash():
+    """Test the signing of order hashes."""
+    assert ec_sign_order_hash() == "stub return value"