From 5466db83c0825ccabb85b2aed0fe7abefcd1723b Mon Sep 17 00:00:00 2001
From: Mika <kontakt@donau2space.de>
Date: Sun, 18 Jan 2026 17:11:12 +0000
Subject: [PATCH] Add marker_analysis/tests/test_core.py

---
 marker_analysis/tests/test_core.py | 51 ++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 marker_analysis/tests/test_core.py

diff --git a/marker_analysis/tests/test_core.py b/marker_analysis/tests/test_core.py
new file mode 100644
index 0000000..6872ee7
--- /dev/null
+++ b/marker_analysis/tests/test_core.py
@@ -0,0 +1,51 @@
+import pytest
+from marker_analysis.core import MarkerData, validate_markers
+
+@pytest.fixture
+def valid_markers():
+    return [
+        MarkerData(marker_id='corr1', timestamp=1.0, status='write_pre'),
+        MarkerData(marker_id='corr1', timestamp=2.0, status='write_post'),
+        MarkerData(marker_id='corr2', timestamp=3.0, status='write_pre'),
+        MarkerData(marker_id='corr3', timestamp=4.0, status='read_between_steps'),
+        MarkerData(marker_id='corr2', timestamp=5.0, status='write_post'),
+    ]
+
+@pytest.fixture
+def missing_post_marker():
+    return [
+        MarkerData(marker_id='c1', timestamp=1.0, status='write_pre'),
+        MarkerData(marker_id='c2', timestamp=2.0, status='write_pre'),
+        MarkerData(marker_id='c2', timestamp=3.0, status='write_post'),
+    ]
+
+def test_validate_markers_happy_path(valid_markers):
+    result = validate_markers(valid_markers)
+    assert isinstance(result, dict)
+    assert result['valid_pairs'] == 2
+    assert result['missing_pre'] == 0
+    assert result['missing_post'] == 0
+    assert 'retry_free_reads' in result
+    assert result['retry_free_reads'] == 1
+
+def test_validate_markers_missing_post(missing_post_marker):
+    result = validate_markers(missing_post_marker)
+    assert result['valid_pairs'] == 1
+    assert result['missing_post'] == 1
+
+def test_validate_markers_empty_input():
+    result = validate_markers([])
+    assert result['valid_pairs'] == 0
+    assert result['missing_pre'] == 0
+    assert result['missing_post'] == 0
+    assert result['retry_free_reads'] == 0
+
+def test_markerdata_init_and_attrs():
+    m = MarkerData(marker_id='x', timestamp=123.45, status='write_pre')
+    assert m.marker_id == 'x'
+    assert isinstance(m.timestamp, float)
+    assert m.status == 'write_pre'
+
+def test_validate_markers_invalid_input_type():
+    with pytest.raises(Exception):
+        validate_markers(['not_a_marker'])
\ No newline at end of file