From 4b6ded265485687513b128ba780c2ae737e6ff6d Mon Sep 17 00:00:00 2001
From: Mika <kontakt@donau2space.de>
Date: Sun, 15 Feb 2026 03:06:27 +0000
Subject: [PATCH] Add data_analysis/tests/test_core.py

---
 data_analysis/tests/test_core.py | 38 ++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 data_analysis/tests/test_core.py

diff --git a/data_analysis/tests/test_core.py b/data_analysis/tests/test_core.py
new file mode 100644
index 0000000..568861a
--- /dev/null
+++ b/data_analysis/tests/test_core.py
@@ -0,0 +1,38 @@
+import pytest
+from data_analysis import core
+from types import SimpleNamespace
+
+@pytest.fixture
+def sample_data():
+    return [
+        SimpleNamespace(timestamp='2024-06-14T00:00:00', voltage_mv=100.0, temperature_c=20.0, humidity_percent=50.0),
+        SimpleNamespace(timestamp='2024-06-14T00:10:00', voltage_mv=200.0, temperature_c=21.0, humidity_percent=52.0),
+        SimpleNamespace(timestamp='2024-06-14T00:20:00', voltage_mv=300.0, temperature_c=22.0, humidity_percent=55.0)
+    ]
+
+def test_analyze_data_return_type(sample_data):
+    report = core.analyze_data(sample_data)
+    assert isinstance(report, dict), 'SummaryReport sollte ein dict sein'
+    for key in ['max_voltage', 'min_voltage', 'average_voltage', 'correlation_with_weather']:
+        assert key in report, f'{key} fehlt im SummaryReport'
+
+def test_analyze_data_values(sample_data):
+    report = core.analyze_data(sample_data)
+    assert pytest.approx(report['max_voltage'], rel=1e-5) == 300.0
+    assert pytest.approx(report['min_voltage'], rel=1e-5) == 100.0
+    assert pytest.approx(report['average_voltage'], rel=1e-5) == 200.0
+    assert isinstance(report['correlation_with_weather'], float)
+
+def test_analyze_data_empty_list():
+    empty_data = []
+    with pytest.raises(ValueError):
+        core.analyze_data(empty_data)
+
+def test_analyze_data_invalid_input():
+    invalid_data = [1, 2, 3]
+    with pytest.raises(TypeError):
+        core.analyze_data(invalid_data)
+
+def test_analyze_data_float_precision(sample_data):
+    report = core.analyze_data(sample_data)
+    assert all(isinstance(v, float) for v in report.values()), 'Alle Werte im Report müssen floats sein'
\ No newline at end of file