Unify dump xyz/gz and xyz/zstd tests

unittest/formats/test_dump_xyz_compressed.cpp

@@ -0,0 +1,97 @@
+/* ----------------------------------------------------------------------
+   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
+   https://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.
+------------------------------------------------------------------------- */
+
+#include "../testing/utils.h"
+#include "compressed_dump_test.h"
+#include "fmt/format.h"
+#include "utils.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+#include <string>
+
+
+using ::testing::Eq;
+
+class DumpXYZCompressTest : public CompressedDumpTest {
+public:
+    DumpXYZCompressTest() : CompressedDumpTest("xyz") {
+    }
+};
+
+TEST_F(DumpXYZCompressTest, compressed_run0)
+{
+    if (!COMPRESS_BINARY) GTEST_SKIP();
+
+    auto base_name         = "run*.melt.xyz";
+    auto base_name_0       = "run0.melt.xyz";
+    auto text_files        = text_dump_filename(base_name);
+    auto compressed_files  = compressed_dump_filename(base_name);
+    auto text_file_0       = text_dump_filename(base_name_0);
+    auto compressed_file_0 = compressed_dump_filename(base_name_0);
+
+    generate_text_and_compressed_dump(text_files, compressed_files, "", "", 0);
+
+    TearDown();
+
+    ASSERT_FILE_EXISTS(text_file_0);
+    ASSERT_FILE_EXISTS(compressed_file_0);
+
+    auto converted_file_0 = convert_compressed_to_text(compressed_file_0);
+
+    ASSERT_FILE_EXISTS(converted_file_0);
+    ASSERT_FILE_EQUAL(text_file_0, converted_file_0);
+    delete_file(text_file_0);
+    delete_file(compressed_file_0);
+    delete_file(converted_file_0);
+}
+
+int main(int argc, char **argv)
+{
+    MPI_Init(&argc, &argv);
+    ::testing::InitGoogleMock(&argc, argv);
+
+    if (argc < 2) {
+        std::cerr << "usage: " << argv[0] << " (gz|zstd)\n\n" << std::endl;
+        return 1;
+    }
+
+    if(strcmp(argv[1], "gz") == 0) {
+        COMPRESS_SUFFIX = "gz";
+        COMPRESS_EXTENSION = "gz";
+    } else if(strcmp(argv[1], "zstd") == 0) {
+        COMPRESS_SUFFIX = "zstd";
+        COMPRESS_EXTENSION = "zst";
+    } else {
+        std::cerr << "usage: " << argv[0] << " (gz|zstd)\n\n" << std::endl;
+        return 1;
+    }
+
+    COMPRESS_BINARY = getenv("COMPRESS_BINARY");
+
+    // handle arguments passed via environment variable
+    if (const char *var = getenv("TEST_ARGS")) {
+        std::vector<std::string> env = utils::split_words(var);
+        for (auto arg : env) {
+            if (arg == "-v") {
+                verbose = true;
+            }
+        }
+    }
+
+    if ((argc > 1) && (strcmp(argv[1], "-v") == 0)) verbose = true;
+
+    int rv = RUN_ALL_TESTS();
+    MPI_Finalize();
+    return rv;
+}