[t:2892] Add test of attempt to upgrade 3.x environment.

git-svn-id: file:///svn/toku/tokudb@26053 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/upgrade-test-7.c

+/* -*- mode: C; c-basic-offset: 4 -*- */
+#ident "Copyright (c) 2010 Tokutek Inc.  All rights reserved."
+#ident "$Id$"
+
+
+// Purpose of this test is to verify that an environment created by TokuDB 3.1.0
+// is properly rejected by the upgrade logic of TokuDB 5.x and later.
+
+#include "test.h"
+#include "toku_pthread.h"
+#include "toku_atomic.h"
+#include <db.h>
+#include <sys/stat.h>
+#include "ydb-internal.h"
+
+DB_ENV *env;
+
+#if defined(__cilkplusplus) || defined (__cplusplus)
+extern "C" {
+#endif
+
+
+char *free_me = NULL;
+char *env_dir = ENVDIR; // the default env_dir.
+char *tmp_subdir = "tmp.subdir";
+
+#define OLDDATADIR "../../../../tokudb.data/"
+    char *db_v3_dir        = OLDDATADIR "env_preload.3.1.0.simple.cleanshutdown";
+
+
+static void setup(void) {
+    int r;
+    int len = 256;
+    char syscmd[len];
+    char * src_db_dir;
+
+    src_db_dir = db_v3_dir;
+
+    r = snprintf(syscmd, len, "rm -rf %s", env_dir);
+    assert(r<len);
+    r = system(syscmd);                                                                                  
+    CKERR(r);
+    
+    r = snprintf(syscmd, len, "cp -r %s %s", src_db_dir, env_dir);
+    assert(r<len);
+    r = system(syscmd);                                                                                 
+    CKERR(r);
+}
+
+
+
+
+static void run_test(void) 
+{
+    int r;
+
+    setup();
+    {
+	char len = strlen(env_dir) + strlen(tmp_subdir) + 10;
+	char tmpdir[len];
+	r = snprintf(tmpdir, len, "%s/%s", env_dir, tmp_subdir);
+	assert(r<len);
+	r = db_env_create(&env, 0);                                                                           CKERR(r);
+	//
+	// NOTE: If tmp_dir is set, then attempt to open database created with 3.x will fail with error message:
+	// Couldn't start tokudb because some other tokudb process is using the same directory [dir.upgrade-test-7.c.tdb/tmp.subdir] for [temp]
+	//
+	//	r = env->set_tmp_dir(env, tmp_subdir);                                                                CKERR(r);
+	//
+    }
+
+    int envflags = DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN | DB_CREATE | DB_PRIVATE;
+    r = env->open(env, env_dir, envflags, S_IRWXU+S_IRWXG+S_IRWXO);                                            
+    CKERR2(r, TOKUDB_DICTIONARY_TOO_OLD);
+
+    r = env->close(env, 0);                                                                                   CKERR(r);
+}
+
+
+// ------------ infrastructure ----------
+static void do_args(int argc, char * const argv[]);
+
+int test_main(int argc, char * const *argv) {
+    do_args(argc, argv);
+
+    run_test();
+
+    return 0;
+}
+
+static void do_args(int argc, char * const argv[]) {
+
+    int resultcode;
+    char *cmd = argv[0];
+    argc--; argv++;
+
+    while (argc>0) {
+	if (strcmp(argv[0], "-v")==0) {
+	    verbose++;
+	} else if (strcmp(argv[0],"-q")==0) {
+	    verbose--;
+	    if (verbose<0) verbose=0;
+        } else if (strcmp(argv[0], "-h")==0) {
+	    resultcode=0;
+	do_usage:
+	    fprintf(stderr, "Usage: -h -v -q\n%s\n", cmd);
+	    exit(resultcode);
+	} else {
+	    fprintf(stderr, "Unknown arg: %s\n", argv[0]);
+	    resultcode=1;
+	    goto do_usage;
+	}
+	argc--;
+	argv++;
+    }
+}