Reorganizing unit tests

Unit tests for the toolkit are consolidated into one test module with a separate test suite for related API functions.

tests/test_hydraulics.cpp

@@ -0,0 +1,85 @@
+/*
+ ******************************************************************************
+ Project:      OWA EPANET
+ Version:      2.2
+ Module:       test_hydraulics.cpp
+ Description:  Tests EPANET toolkit api functions
+ Authors:      see AUTHORS
+ Copyright:    see AUTHORS
+ License:      see LICENSE
+ Last Updated: 03/21/2019
+ ******************************************************************************
+*/
+
+#define BOOST_ALL_DYN_LINK
+#include <boost/test/unit_test.hpp>
+#include <boost/filesystem.hpp>
+
+#include "test_toolkit.hpp"
+
+
+BOOST_AUTO_TEST_SUITE (test_hydraulics)
+
+BOOST_FIXTURE_TEST_CASE(test_solveH, FixtureOpenClose)
+{
+    error = EN_solveH(ph);
+    BOOST_REQUIRE(error == 0);
+}
+
+BOOST_FIXTURE_TEST_CASE(test_hyd_step, FixtureOpenClose)
+{
+    int flag = 00;
+    long t, tstep;
+
+    error = EN_openH(ph);
+    BOOST_REQUIRE(error == 0);
+
+    error = EN_initH(ph, flag);
+    BOOST_REQUIRE(error == 0);
+
+    do {
+        error = EN_runH(ph, &t);
+        BOOST_REQUIRE(error == 0);
+
+        error = EN_nextH(ph, &tstep);
+        BOOST_REQUIRE(error == 0);
+
+    } while (tstep > 0);
+
+    error = EN_closeH(ph);
+    BOOST_REQUIRE(error == 0);
+}
+
+BOOST_FIXTURE_TEST_CASE(test_hydr_save, FixtureOpenClose)
+{
+    error = EN_solveH(ph);
+    BOOST_REQUIRE(error == 0);
+
+    error = EN_saveH(ph);
+    BOOST_REQUIRE(error == 0);
+
+    error = EN_report(ph);
+    BOOST_REQUIRE(error == 0);
+}
+
+BOOST_FIXTURE_TEST_CASE(test_hydr_savefile, FixtureOpenClose)
+{
+    error = EN_solveH(ph);
+    BOOST_REQUIRE(error == 0);
+
+    error = EN_savehydfile(ph, "test_savefile.hyd");
+    BOOST_REQUIRE(error == 0);
+
+    BOOST_CHECK(boost::filesystem::exists("test_savefile.hyd") == true);
+}
+
+BOOST_FIXTURE_TEST_CASE(test_hydr_usefile, FixtureOpenClose, * boost::unit_test::depends_on("test_hydraulics/test_hydr_savefile"))
+{
+    error = EN_usehydfile(ph, "test_savefile.hyd");
+    BOOST_REQUIRE(error == 0);
+
+    error = EN_solveQ(ph);
+    BOOST_REQUIRE(error == 0);
+}
+
+BOOST_AUTO_TEST_SUITE_END()