Reduce code duplication in tests

2020-08-13 13:00:37 -04:00
parent 1fb7ba9e4b
commit 71ec14087d
5 changed files with 200 additions and 274 deletions
--- a/unittest/testing/core.h
+++ b/unittest/testing/core.h
@ -0,0 +1,79 @@
+/* ----------------------------------------------------------------------
+   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
+   http://lammps.sandia.gov, Sandia National Laboratories
+   Steve Plimpton, sjplimp@sandia.gov
+
+   Copyright (2003) Sandia Corporation.  Under the terms of Contract
+   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
+   certain rights in this software.  This software is distributed under
+   the GNU General Public License.
+
+   See the README file in the top-level LAMMPS directory.
+------------------------------------------------------------------------- */
+#ifndef TESTING_CORE__H
+#define TESTING_CORE__H
+
+#include "info.h"
+#include "input.h"
+#include "lammps.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+using namespace LAMMPS_NS;
+
+using ::testing::MatchesRegex;
+
+#define TEST_FAILURE(errmsg, ...)                                 \
+    if (Info::has_exceptions()) {                                 \
+        ::testing::internal::CaptureStdout();                     \
+        ASSERT_ANY_THROW({__VA_ARGS__});                          \
+        auto mesg = ::testing::internal::GetCapturedStdout();     \
+        ASSERT_THAT(mesg, MatchesRegex(errmsg));                  \
+    } else {                                                      \
+        if (Info::get_mpi_vendor() != "Open MPI") {               \
+            ::testing::internal::CaptureStdout();                 \
+            ASSERT_DEATH({__VA_ARGS__}, "");                      \
+            auto mesg = ::testing::internal::GetCapturedStdout(); \
+            ASSERT_THAT(mesg, MatchesRegex(errmsg));              \
+        }                                                         \
+    }
+
+// whether to print verbose output (i.e. not capturing LAMMPS screen output).
+bool verbose = false;
+
+
+class LAMMPSTest : public ::testing::Test {
+public:
+    void command(const std::string &line) {
+        lmp->input->one(line.c_str());
+    }
+
+protected:
+    const char * testbinary = "LAMMPSTest";
+    LAMMPS *lmp;
+
+    void SetUp() override
+    {
+        const char *args[] = { testbinary, "-log", "none", "-echo", "screen", "-nocite"};
+        char **argv = (char **)args;
+        int argc    = sizeof(args) / sizeof(char *);
+        if (!verbose) ::testing::internal::CaptureStdout();
+        lmp = new LAMMPS(argc, argv, MPI_COMM_WORLD);
+        InitSystem();
+        if (!verbose) ::testing::internal::GetCapturedStdout();
+    }
+
+
+    virtual void InitSystem() {
+    }
+
+    void TearDown() override
+    {
+        if (!verbose) ::testing::internal::CaptureStdout();
+        delete lmp;
+        if (!verbose) ::testing::internal::GetCapturedStdout();
+    }
+};
+
+
+#endif