From ee0b6a88ad1a18f88dbb8bc619952b82ab4b728a Mon Sep 17 00:00:00 2001
From: QuentinN42 <quentin@lieumont.fr>
Date: Thu, 27 Jan 2022 23:41:29 +0100
Subject: [PATCH] feat: dumb indicator

---
 auto_trading/indicators/__init__.py |  0
 auto_trading/indicators/dumb.py     | 26 ++++++++++++++++++++++++++
 tests/indicators/__init__.py        |  0
 tests/indicators/test_dumb.py       | 19 +++++++++++++++++++
 4 files changed, 45 insertions(+)
 create mode 100644 auto_trading/indicators/__init__.py
 create mode 100644 auto_trading/indicators/dumb.py
 create mode 100644 tests/indicators/__init__.py
 create mode 100644 tests/indicators/test_dumb.py

diff --git a/auto_trading/indicators/__init__.py b/auto_trading/indicators/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/auto_trading/indicators/dumb.py b/auto_trading/indicators/dumb.py
new file mode 100644
index 0000000..82f08ba
--- /dev/null
+++ b/auto_trading/indicators/dumb.py
@@ -0,0 +1,26 @@
+"""Dumb indicator, for testing purposes."""
+import pandas as pd  # type: ignore
+
+from ..interfaces import Indicator
+
+
+class Dumb(Indicator):
+    """Replay the value."""
+
+    def __init__(self, value: pd.DataFrame):
+        """Save the value."""
+        super().__init__()
+        self.value = value
+
+    def __call__(self, data: pd.DataFrame) -> pd.DataFrame:
+        """Return a dataframe of valuation of each stock from the input data.
+
+        Args:
+            data (DataFrame): Time-Stock valuated candlestick data.
+                For each time and each stock give (high, low, open, close).
+
+        Returns:
+            DataFrame: Stock valuated float.
+                For each stock give -1 if realy bad and +1 if realy good.
+        """
+        return self.value
diff --git a/tests/indicators/__init__.py b/tests/indicators/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/indicators/test_dumb.py b/tests/indicators/test_dumb.py
new file mode 100644
index 0000000..11ad78e
--- /dev/null
+++ b/tests/indicators/test_dumb.py
@@ -0,0 +1,19 @@
+"""Realy basic tests."""
+import pytest
+
+from pandas import DataFrame  # type: ignore
+
+from auto_trading.indicators.dumb import Dumb
+
+
+@pytest.mark.parametrize(
+    "value",
+    [
+        (DataFrame()),
+        (DataFrame({"AAPL": [0], "GOOG": [1], "GOOGL": [2]})),
+    ],
+)
+def test_dumb(value: DataFrame) -> None:
+    """Test the dumb indicator."""
+    dumb = Dumb(value)
+    assert (dumb(DataFrame()) == value).all().all()