Initial commit

tests/test_temp_norad.py

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+"""Tests for the alphanumeric -> numeric TLE fallback."""
+
+from __future__ import annotations
+
+from odm import (
+    TEMP_NORAD_MAX,
+    TEMP_NORAD_MIN,
+    coerce_norad_to_int,
+    temp_tle_norad,
+)
+
+
+def test_temp_norad_stays_in_reserved_range():
+    for ident in ("A1234", "ZZ-9999", "1998-067A", "X", ""):
+        n = temp_tle_norad(ident)
+        assert TEMP_NORAD_MIN <= n <= TEMP_NORAD_MAX
+
+
+def test_temp_norad_is_deterministic():
+    assert temp_tle_norad("A1234") == temp_tle_norad("A1234")
+    assert temp_tle_norad("A1234") != temp_tle_norad("A1235")
+
+
+def test_coerce_norad_to_int_passes_through_numerics():
+    assert coerce_norad_to_int(25544) == 25544
+    assert coerce_norad_to_int("25544") == 25544
+    assert coerce_norad_to_int("  25544  ") == 25544
+
+
+def test_coerce_norad_to_int_substitutes_for_alphanumeric():
+    n = coerce_norad_to_int("A1234")
+    assert TEMP_NORAD_MIN <= n <= TEMP_NORAD_MAX
+    # Stable: second call returns the same number.
+    assert coerce_norad_to_int("A1234") == n
+
+
+def test_tle_from_gp_renders_for_alphanumeric_norad():
+    """The TLE rendering must succeed even when NORAD_CAT_ID is non-numeric."""
+    from odm import parse_tle, tle_from_gp
+
+    iss = parse_tle(
+        "ISS (ZARYA)",
+        "1 25544U 98067A   24070.50000000  .00012345  00000-0  22000-3 0  9991",
+        "2 25544  51.6400 200.0000 0001234  90.0000 270.0000 15.50000000400000",
+    )
+    gp = dict(iss.omm)
+    gp["NORAD_CAT_ID"] = "A1234"  # alphanumeric future ID
+    _, line1, line2 = tle_from_gp(gp)
+    assert line1.startswith("1 ") and line2.startswith("2 ")
+    # The 5-digit slot at chars 2-7 must contain the synthetic 9xxxx number.
+    assert line1[2:7].isdigit()
+    assert 90000 <= int(line1[2:7]) <= 99999
+    assert line1[2:7] == line2[2:7]  # consistent across lines