From aeed2e591d38e5e816b463356f6ee4633f54cd97 Mon Sep 17 00:00:00 2001
From: Igor Radovanovic <74266147+IgorWounds@users.noreply.github.com>
Date: Wed, 26 Jul 2023 11:47:17 +0200
Subject: [PATCH] Test static filters

---
 .../core/openbb_core/app/static/filters.py    | 10 +++--
 .../sdk/core/tests/test_static_filters.py     | 44 +++++++++++++++++++
 2 files changed, 51 insertions(+), 3 deletions(-)
 create mode 100644 openbb_sdk/sdk/core/tests/test_static_filters.py

diff --git a/openbb_sdk/sdk/core/openbb_core/app/static/filters.py b/openbb_sdk/sdk/core/openbb_core/app/static/filters.py
index 8af1c1eb2bd..4be2b0f1df8 100644
--- a/openbb_sdk/sdk/core/openbb_core/app/static/filters.py
+++ b/openbb_sdk/sdk/core/openbb_core/app/static/filters.py
@@ -1,3 +1,5 @@
+"""OpenBB filters."""
+
 import builtins
 from functools import wraps
 
@@ -10,10 +12,12 @@ from openbb_core.app.utils import df_to_basemodel
 
 
 class OpenBBError(Exception):
-    pass
+    """A custom exception for OpenBB errors."""
 
 
 def filter_call(func):
+    """Filter command call."""
+
     @wraps(wrapped=func)
     def inner(*args, **kwargs):
         self = args[0]
@@ -36,7 +40,7 @@ def filter_call(func):
 
 
 def filter_inputs(**kwargs) -> dict:
-    """Filter command inputs"""
+    """Filter command inputs."""
     for key, value in kwargs.items():
         if isinstance(value, pd.DataFrame):
             kwargs[key] = df_to_basemodel(value, index=True)
@@ -45,7 +49,7 @@ def filter_inputs(**kwargs) -> dict:
 
 
 def filter_output(command_output: CommandOutput) -> CommandOutput:
-    """Filter command output"""
+    """Filter command output."""
     if command_output.warnings:
         for w in command_output.warnings:
             category = getattr(builtins, w.category, OpenBBWarning)
diff --git a/openbb_sdk/sdk/core/tests/test_static_filters.py b/openbb_sdk/sdk/core/tests/test_static_filters.py
new file mode 100644
index 00000000000..642244e8f08
--- /dev/null
+++ b/openbb_sdk/sdk/core/tests/test_static_filters.py
@@ -0,0 +1,44 @@
+"""Test the app/static/filters.py file."""
+
+import pytest
+from openbb_core.app.model.command_output import CommandOutput
+from openbb_core.app.static.filters import filter_call, filter_inputs, filter_output
+from pandas import DataFrame
+
+
+def test_filter_call_error():
+    """Test filter_call."""
+
+    class Test:
+        @filter_call
+        def test(self):
+            return 1 / 0
+
+    test = Test()
+
+    with pytest.raises(Exception):
+        test.test()
+
+
+def test_filter_inputs_not_df():
+    """Test filter_inputs."""
+    kwargs = {"num": 1}
+    kwargs = filter_inputs(**kwargs)
+
+    assert kwargs["num"] == 1
+
+
+def test_filter_inputs_df():
+    """Test filter_inputs."""
+    df = DataFrame({"a": [1, 2, 3], "b": [4, 5, 6]})
+    kwargs = {"df": df}
+    kwargs = filter_inputs(**kwargs)
+
+    assert isinstance(kwargs["df"], list)
+
+
+def test_filter_output():
+    """Test filter_output."""
+    command_output = filter_output(CommandOutput())
+
+    assert command_output is not None