From e5bcdbc83031c10092f1405b847695ecefbada44 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Tue, 24 Jan 2023 18:17:57 +0000
Subject: search: Abstract out parsing of position spec into separate function.

* gn3/api/search.py (parse_position): New function.
(parse_location_field): Use parse_position.
* tests/unit/test_search.py: Import parse_position from gn3.api.search.
(test_parse_position_close_to_zero_location): New test.
---
 tests/unit/test_search.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'tests')

diff --git a/tests/unit/test_search.py b/tests/unit/test_search.py
index ec89a61..c535c60 100644
--- a/tests/unit/test_search.py
+++ b/tests/unit/test_search.py
@@ -3,7 +3,7 @@ from hypothesis import given, strategies as st
 from pymonad.maybe import Just, Nothing
 import pytest
 
-from gn3.api.search import apply_si_suffix, parse_range
+from gn3.api.search import apply_si_suffix, parse_range, parse_position
 
 @pytest.mark.unit_test
 @given(st.decimals(places=3, allow_nan=False, allow_infinity=False),
@@ -74,3 +74,12 @@ def test_parse_range_right_open_interval():
       and no value (Nothing) for the ending of the range
     """
     assert parse_range("foo..") == (Just("foo"), Nothing)
+
+@pytest.mark.unit_test
+def test_parse_position_close_to_zero_location():
+    """
+    GIVEN: A point location close to zero
+    WHEN: we parse the range
+    THEN: set the lower limit to zero, not a negative number
+    """
+    assert parse_position("25K")[0] == Just(0)
-- 
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