tests: add test-compress

.gitignore

@@ -140,6 +140,7 @@
 /test-cgroup
 /test-cgroup-mask
 /test-cgroup-util
+/test-compress
 /test-conf-files
 /test-daemon
 /test-date

Makefile.am

@@ -3509,6 +3509,15 @@ test_catalog_CPPFLAGS = \
 test_catalog_LDADD = \
 	libsystemd-journal-core.la
 
+if HAVE_XZ
+test_compress_SOURCES = \
+	src/journal/test-compress.c
+
+test_compress_LDADD = \
+	libsystemd-journal-internal.la \
+	libsystemd-shared.la
+endif
+
 libsystemd_journal_core_la_SOURCES = \
 	src/journal/journald-kmsg.c \
 	src/journal/journald-kmsg.h \
@@ -3591,6 +3600,10 @@ tests += \
 	test-mmap-cache \
 	test-catalog
 
+if HAVE_XZ
+tests += test-compress
+endif
+
 pkginclude_HEADERS += \
 	src/systemd/sd-journal.h \
 	src/systemd/sd-messages.h \

src/journal/test-compress.c

@@ -0,0 +1,76 @@
+/***
+  This file is part of systemd
+
+  Copyright 2014 Ronny Chevalier
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "compress.h"
+#include "util.h"
+#include "macro.h"
+
+static void test_compress_uncompress(void) {
+        char text[] = "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
+                      "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";
+        char compressed[512];
+        uint64_t csize = 512;
+        uint64_t usize = 0;
+        _cleanup_free_ char *uncompressed = NULL;
+
+        assert_se(compress_blob(text, sizeof(text), compressed, &csize));
+        assert_se(uncompress_blob(compressed,
+                                  csize,
+                                  (void **) &uncompressed,
+                                  &usize, &csize, 0));
+        assert_se(uncompressed);
+        assert_se(streq(uncompressed, text));
+        assert_se(!uncompress_blob("garbage",
+                                   7,
+                                   (void **) &uncompressed,
+                                   &usize, &csize, 0));
+}
+
+static void test_uncompress_startswith(void) {
+        char text[] = "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
+                      "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";
+        char compressed[512];
+        uint64_t csize = 512;
+        uint64_t usize = 0;
+        _cleanup_free_ char *uncompressed = NULL;
+
+        assert_se(compress_blob(text, sizeof(text), compressed, &csize));
+        assert_se(uncompress_startswith(compressed,
+                                        csize,
+                                        (void **) &uncompressed,
+                                        &usize,
+                                        "foofoofoofoo", 12, ' '));
+        assert_se(!uncompress_startswith(compressed,
+                                         csize,
+                                        (void **) &uncompressed,
+                                        &usize,
+                                        "foofoofoofoo", 12, 'w'));
+        assert_se(!uncompress_startswith(compressed,
+                                         csize,
+                                        (void **) &uncompressed,
+                                        &usize,
+                                        "barbarbar", 9, ' '));
+}
+
+int main(int argc, char *argv[]) {
+        test_compress_uncompress();
+        test_uncompress_startswith();
+
+        return 0;
+}