From 84d31f54a35ad4a2145e3feefe0e97b6b8ab84c8 Mon Sep 17 00:00:00 2001
From: Mika <kontakt@donau2space.de>
Date: Fri, 3 Apr 2026 10:57:06 +0000
Subject: [PATCH] Add artifact.data_logger/tests/test_core.py

---
 artifact.data_logger/tests/test_core.py | 66 +++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 artifact.data_logger/tests/test_core.py

diff --git a/artifact.data_logger/tests/test_core.py b/artifact.data_logger/tests/test_core.py
new file mode 100644
index 0000000..bd6a017
--- /dev/null
+++ b/artifact.data_logger/tests/test_core.py
@@ -0,0 +1,66 @@
+import json
+import io
+import sys
+import pytest
+from rich.console import Console
+
+import artifact_data_logger.core as core
+
+
+@pytest.fixture
+def valid_metrics():
+    return {
+        "setup_fingerprint": "fp_12345",
+        "policy_hash": "ph_abcdef",
+        "epoch_ms": 1710000000000,
+        "near_expiry_unpinned": 0.05,
+    }
+
+
+def test_log_metrics_stdout_output(valid_metrics, capsys):
+    run_id = "aux2_040"
+    core.log_metrics(run_id, valid_metrics)
+    captured = capsys.readouterr()
+    output = captured.out.strip()
+    assert run_id in output
+    for key, value in valid_metrics.items():
+        assert str(value) in output
+
+
+def test_invalid_metrics_type_raises():
+    with pytest.raises((TypeError, KeyError, AssertionError)):
+        core.log_metrics("runX", {"setup_fingerprint": 123})
+
+
+def test_missing_field_raises(valid_metrics):
+    bad_metrics = valid_metrics.copy()
+    bad_metrics.pop("policy_hash")
+    with pytest.raises((KeyError, AssertionError)):
+        core.log_metrics("runY", bad_metrics)
+
+
+def test_epoch_ms_numeric(valid_metrics, capsys):
+    valid_metrics["epoch_ms"] = 999999
+    core.log_metrics("runZ", valid_metrics)
+    out = capsys.readouterr().out
+    assert "999999" in out
+    assert "policy_hash" in out
+
+
+def test_near_expiry_float_range(valid_metrics):
+    valid_metrics["near_expiry_unpinned"] = 1.0
+    assert 0.0 <= valid_metrics["near_expiry_unpinned"] <= 1.0
+    core.log_metrics("runR", valid_metrics)
+
+
+@pytest.mark.parametrize("field,value", [
+    ("setup_fingerprint", None),
+    ("policy_hash", None),
+    ("epoch_ms", "notint"),
+    ("near_expiry_unpinned", -0.1),
+])
+def test_invalid_field_values_raise(valid_metrics, field, value):
+    bad_metrics = valid_metrics.copy()
+    bad_metrics[field] = value
+    with pytest.raises(Exception):
+        core.log_metrics("runW", bad_metrics)