More tests on printing

Author: finlayclark

k2dg/_print.py

@@ -24,6 +24,6 @@ def _print_kd0(kd0: Quantity) -> None:
             return
     # The value is less than 0.1 pM or greater than 100 M
     if kd < 1e-10:
-        print(f"{kd / 1e-12:#.3g} fM")
+        print(f"{kd / 1e-15:#.3g} fM")
     else:
         print(f"{kd:#.3g} M")

tests/test_cli.py

@@ -1,5 +1,5 @@
 from io import StringIO
-from unittest.mock import patch, Mock
+from unittest.mock import patch
 from k2dg._cli import run_cli  # Replace 'your_module' with the actual module name
 
 

tests/test_print.py

@@ -25,6 +25,10 @@ def test_print_kd0(capsys):
     captured = capsys.readouterr()
     assert captured.out == "10.0 mM\n"
 
-    _print_kd0(Q_(1e2, "M"))
+    _print_kd0(Q_(1e4, "M"))
     captured = capsys.readouterr()
-    assert captured.out == "100. M\n"
+    assert captured.out == "1.00e+04 M\n"
+
+    _print_kd0(Q_(1e-16, "M"))
+    captured = capsys.readouterr()
+    assert captured.out == "0.100 fM\n"