Added the tests for exceptions

wntr/tests/test_epanet_exceptions.py

@@ -0,0 +1,47 @@
+import unittest
+from os.path import abspath, dirname, join, exists
+
+import wntr.epanet.exceptions
+
+testdir = dirname(abspath(__file__))
+datadir = join(testdir, "..", "..", "examples", "networks")
+
+
+class TestEpanetExceptions(unittest.TestCase):
+
+    def test_epanet_exception(self):
+        try:
+            raise wntr.epanet.exceptions.EpanetException(213, '13:00:00 pm', 'Cannot specify am/pm for times greater than 12:00:00')
+        except Exception as e:
+            self.assertTupleEqual(e.args, ("(Error 213) invalid option value '13:00:00 pm' ['Cannot specify am/pm for times greater than 12:00:00']",))
+        try:
+            raise wntr.epanet.exceptions.EpanetException(999)
+        except Exception as e:
+            self.assertTupleEqual(e.args, ('(Error 999) unknown error',))
+        try:
+            raise wntr.epanet.exceptions.EpanetException(108)
+        except Exception as e:
+            self.assertTupleEqual(e.args, ('(Error 108) cannot use external file while hydraulics solver is active',))
+
+    def test_epanet_syntax_error(self):
+        try:
+            raise wntr.epanet.exceptions.ENSyntaxError(223, line_num=38, line='I AM A SYNTAX ERROR')
+        except SyntaxError as e:
+            self.assertTupleEqual(e.args, ('(Error 223) not enough nodes in network, at line 38:\n   I AM A SYNTAX ERROR',))
+
+    def test_epanet_key_error(self):
+        try:
+            raise wntr.epanet.exceptions.ENKeyError(206, 'NotACurve')
+        except KeyError as e:
+            self.assertTupleEqual(e.args, ("(Error 206) undefined curve, 'NotACurve'",))
+
+    def test_epanet_value_error(self):
+        try:
+            raise wntr.epanet.exceptions.ENValueError(213, 423.0e28)
+        except ValueError as e:
+            self.assertTupleEqual(e.args, ('(Error 213) invalid option value 4.23e+30',))
+
+
+
+if __name__ == "__main__":
+    unittest.main()