chore: import upstream snapshot with attribution

examples/flows/evaluation/eval-summarization/tests/test_geval.py

@@ -0,0 +1,50 @@
+import pytest
+
+from geval import parse_output
+
+
+@pytest.mark.parametrize(
+    "input_str, expected_output",
+    [
+        ("4", 4.0),
+        ("4.4", 4.4),
+        ("3 is the score because", 3.0),
+        (" 2 ", 2.0),
+        (" 2a", 2.0),
+        ("0", 0.0),
+        ("0/5", 0.0),
+    ],
+)
+def test_parse_valid_score(input_str, expected_output):
+    assert parse_output(input_str, max=5) == expected_output
+
+
+@pytest.mark.parametrize(
+    "input_str",
+    [
+        "No score at beginning",
+        "",
+        "     ",
+        "aaaa2bbb",
+        "-2-",
+        "-2a",
+        "a-2a",
+        "-2",
+        "-2.0",
+    ],
+)
+def test_parse_no_number_detected(input_str):
+    with pytest.raises(ValueError, match="No number detected in input"):
+        parse_output(input_str, max=5)
+
+
+@pytest.mark.parametrize("input_str", ["6", " 1234 is the score because", "8.8"])
+def test_parse_too_large_score(input_str):
+    with pytest.raises(ValueError, match="larger than max score"):
+        parse_output(input_str, max=5)
+
+
+@pytest.mark.parametrize("input_str", [" 1 to 3 ", "5.5   99 "])
+def test_parse_multiple_number_detected(input_str):
+    with pytest.raises(ValueError, match="More than one number detected in input"):
+        parse_output(input_str, max=5)