New root commit.

tests/test_esipp_utils.py

+# imports
+
+# standard
+
+# local, external
+
+# local, internal
+
+import src.topupopt.problems.esipp.utils as utils
+
+
+# *****************************************************************************
+# *****************************************************************************
+
+
+class TestProblemUtils:
+    def test_integrality(self):
+        # case 1
+        assert utils.is_integer(0, integrality_tolerance=0.1)
+        # case 2
+        assert utils.is_integer(1, integrality_tolerance=0.1)
+        # case 3
+        assert utils.is_integer(2, integrality_tolerance=0.1)
+        # case 4
+        assert utils.is_integer(-1, integrality_tolerance=0.1)
+        # case 5
+        assert not utils.is_integer(0.2, integrality_tolerance=0.1)
+        # case 6
+        assert not utils.is_integer(0.8, integrality_tolerance=0.1)
+        # case 7
+        assert utils.is_integer(0.1, integrality_tolerance=0.1)
+        # case 8
+        assert utils.is_integer(0.9, integrality_tolerance=0.1)
+
+        # case 9
+        assert utils.is_integer(0.49, integrality_tolerance=0.49)
+        # case 10
+        assert utils.is_integer(0.51, integrality_tolerance=0.49)
+
+        # integrality tolerance is too large
+        error_raised = False
+        try:
+            assert utils.is_integer(0.5, integrality_tolerance=0.5)
+        except ValueError:
+            error_raised = True
+        assert error_raised
+        error_raised = False
+        try:
+            assert utils.is_integer(1, integrality_tolerance=0.5)
+        except ValueError:
+            error_raised = True
+        assert error_raised
+        
+    # *************************************************************************
+    # *************************************************************************
+
+# *****************************************************************************
+# *****************************************************************************