From a91ed13ba84474382b3e89f63053c196faed3bf0 Mon Sep 17 00:00:00 2001
From: Zardosht Kasheff <zardosht@tokutek.com>
Date: Tue, 16 Apr 2013 23:59:37 -0400
Subject: [PATCH] [t:3266], add tests that verify setting a descriptor during a
 checkpoint works

git-svn-id: file:///svn/toku/tokudb@29160 c7de825b-a66e-492c-adef-691d508d4ae1
---
 src/tests/test_trans_desc_during_chkpt.c  | 94 +++++++++++++++++++++++
 src/tests/test_trans_desc_during_chkpt2.c | 94 +++++++++++++++++++++++
 src/tests/test_trans_desc_during_chkpt3.c | 94 +++++++++++++++++++++++
 src/tests/test_trans_desc_during_chkpt4.c | 94 +++++++++++++++++++++++
 4 files changed, 376 insertions(+)
 create mode 100644 src/tests/test_trans_desc_during_chkpt.c
 create mode 100644 src/tests/test_trans_desc_during_chkpt2.c
 create mode 100644 src/tests/test_trans_desc_during_chkpt3.c
 create mode 100644 src/tests/test_trans_desc_during_chkpt4.c

diff --git a/src/tests/test_trans_desc_during_chkpt.c b/src/tests/test_trans_desc_during_chkpt.c
new file mode 100644
index 00000000000..e9756f141ab
--- /dev/null
+++ b/src/tests/test_trans_desc_during_chkpt.c
@@ -0,0 +1,94 @@
+// test that an update calls back into the update function
+
+#include "test.h"
+
+const int envflags = DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_PRIVATE;
+
+DB_ENV *env;
+
+u_int32_t four_byte_desc = 101;
+u_int64_t eight_byte_desc = 10101;
+
+
+static void assert_desc_four (DB* db) {
+    assert(db->descriptor->dbt.size == sizeof(four_byte_desc));
+    assert(*(u_int32_t *)(db->descriptor->dbt.data) == four_byte_desc);
+}
+static void assert_desc_eight (DB* db) {
+    assert(db->descriptor->dbt.size == sizeof(eight_byte_desc));
+    assert(*(u_int32_t *)(db->descriptor->dbt.data) == eight_byte_desc);
+}
+
+static void checkpoint_callback_1(void * extra) {
+    assert(extra == NULL);
+    DB* db = NULL;
+
+    DBT change_descriptor;
+    memset(&change_descriptor, 0, sizeof(change_descriptor));
+    change_descriptor.size = sizeof(eight_byte_desc);
+    change_descriptor.data = &eight_byte_desc;
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));
+    assert_desc_four(db);
+    IN_TXN_COMMIT(env, NULL, txn_change, 0, {
+            CHK(db->change_descriptor(db, txn_change, &change_descriptor, 0));
+            assert_desc_eight(db);
+        });
+    assert_desc_eight(db);
+    CHK(db->close(db,0));
+}
+
+static void setup (void) {
+    CHK(system("rm -rf " ENVDIR));
+    CHK(toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO));
+    CHK(db_env_create(&env, 0));
+    db_env_set_checkpoint_callback(checkpoint_callback_1, NULL);
+    env->set_errfile(env, stderr);
+    CHK(env->open(env, ENVDIR, envflags, S_IRWXU+S_IRWXG+S_IRWXO));
+}
+
+static void cleanup (void) {
+    CHK(env->close(env, 0));
+}
+
+static void run_test(void) {
+    DB* db = NULL;
+    
+    DBT orig_desc;
+    memset(&orig_desc, 0, sizeof(orig_desc));
+    orig_desc.size = sizeof(four_byte_desc);
+    orig_desc.data = &four_byte_desc;
+    // verify we can only set a descriptor with version 1
+    IN_TXN_COMMIT(env, NULL, txn_create, 0, {
+            CHK(db_create(&db, env, 0));
+            assert(db->descriptor == NULL);
+            CHK(db->open(db, txn_create, "foo.db", NULL, DB_BTREE, DB_CREATE, 0666));
+            CHK(db->change_descriptor(db, txn_create, &orig_desc, 0));
+            assert_desc_four(db);
+        });
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));    
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+
+    CHK(env->txn_checkpoint(env, 0, 0, 0));
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));    
+    assert_desc_eight(db);
+    CHK(db->close(db,0));
+
+    db = NULL;
+}
+
+int test_main (int argc, char * const argv[]) {
+    parse_args(argc, argv);
+    setup();
+    run_test();
+    cleanup();
+    return 0;
+}
diff --git a/src/tests/test_trans_desc_during_chkpt2.c b/src/tests/test_trans_desc_during_chkpt2.c
new file mode 100644
index 00000000000..f87baceed54
--- /dev/null
+++ b/src/tests/test_trans_desc_during_chkpt2.c
@@ -0,0 +1,94 @@
+// test that an update calls back into the update function
+
+#include "test.h"
+
+const int envflags = DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_PRIVATE;
+
+DB_ENV *env;
+
+u_int32_t four_byte_desc = 101;
+u_int64_t eight_byte_desc = 10101;
+
+
+static void assert_desc_four (DB* db) {
+    assert(db->descriptor->dbt.size == sizeof(four_byte_desc));
+    assert(*(u_int32_t *)(db->descriptor->dbt.data) == four_byte_desc);
+}
+static void assert_desc_eight (DB* db) {
+    assert(db->descriptor->dbt.size == sizeof(eight_byte_desc));
+    assert(*(u_int32_t *)(db->descriptor->dbt.data) == eight_byte_desc);
+}
+
+static void checkpoint_callback_1(void * extra) {
+    assert(extra == NULL);
+    DB* db = NULL;
+
+    DBT change_descriptor;
+    memset(&change_descriptor, 0, sizeof(change_descriptor));
+    change_descriptor.size = sizeof(eight_byte_desc);
+    change_descriptor.data = &eight_byte_desc;
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));
+    assert_desc_four(db);
+    IN_TXN_ABORT(env, NULL, txn_change, 0, {
+            CHK(db->change_descriptor(db, txn_change, &change_descriptor, 0));
+            assert_desc_eight(db);
+        });
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+}
+
+static void setup (void) {
+    CHK(system("rm -rf " ENVDIR));
+    CHK(toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO));
+    CHK(db_env_create(&env, 0));
+    db_env_set_checkpoint_callback(checkpoint_callback_1, NULL);
+    env->set_errfile(env, stderr);
+    CHK(env->open(env, ENVDIR, envflags, S_IRWXU+S_IRWXG+S_IRWXO));
+}
+
+static void cleanup (void) {
+    CHK(env->close(env, 0));
+}
+
+static void run_test(void) {
+    DB* db = NULL;
+    
+    DBT orig_desc;
+    memset(&orig_desc, 0, sizeof(orig_desc));
+    orig_desc.size = sizeof(four_byte_desc);
+    orig_desc.data = &four_byte_desc;
+    // verify we can only set a descriptor with version 1
+    IN_TXN_COMMIT(env, NULL, txn_create, 0, {
+            CHK(db_create(&db, env, 0));
+            assert(db->descriptor == NULL);
+            CHK(db->open(db, txn_create, "foo.db", NULL, DB_BTREE, DB_CREATE, 0666));
+            CHK(db->change_descriptor(db, txn_create, &orig_desc, 0));
+            assert_desc_four(db);
+        });
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));    
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+
+    CHK(env->txn_checkpoint(env, 0, 0, 0));
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));    
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+
+    db = NULL;
+}
+
+int test_main (int argc, char * const argv[]) {
+    parse_args(argc, argv);
+    setup();
+    run_test();
+    cleanup();
+    return 0;
+}
diff --git a/src/tests/test_trans_desc_during_chkpt3.c b/src/tests/test_trans_desc_during_chkpt3.c
new file mode 100644
index 00000000000..26de035e6c0
--- /dev/null
+++ b/src/tests/test_trans_desc_during_chkpt3.c
@@ -0,0 +1,94 @@
+// test that an update calls back into the update function
+
+#include "test.h"
+
+const int envflags = DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_PRIVATE;
+
+DB_ENV *env;
+
+u_int32_t four_byte_desc = 101;
+u_int64_t eight_byte_desc = 10101;
+
+
+static void assert_desc_four (DB* db) {
+    assert(db->descriptor->dbt.size == sizeof(four_byte_desc));
+    assert(*(u_int32_t *)(db->descriptor->dbt.data) == four_byte_desc);
+}
+static void assert_desc_eight (DB* db) {
+    assert(db->descriptor->dbt.size == sizeof(eight_byte_desc));
+    assert(*(u_int32_t *)(db->descriptor->dbt.data) == eight_byte_desc);
+}
+
+static void checkpoint_callback_1(void * extra) {
+    assert(extra == NULL);
+    DB* db = NULL;
+
+    DBT change_descriptor;
+    memset(&change_descriptor, 0, sizeof(change_descriptor));
+    change_descriptor.size = sizeof(eight_byte_desc);
+    change_descriptor.data = &eight_byte_desc;
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));
+    assert_desc_four(db);
+    IN_TXN_COMMIT(env, NULL, txn_change, 0, {
+            CHK(db->change_descriptor(db, txn_change, &change_descriptor, 0));
+            assert_desc_eight(db);
+        });
+    assert_desc_eight(db);
+    CHK(db->close(db,0));
+}
+
+static void setup (void) {
+    CHK(system("rm -rf " ENVDIR));
+    CHK(toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO));
+    CHK(db_env_create(&env, 0));
+    db_env_set_checkpoint_callback2(checkpoint_callback_1, NULL);
+    env->set_errfile(env, stderr);
+    CHK(env->open(env, ENVDIR, envflags, S_IRWXU+S_IRWXG+S_IRWXO));
+}
+
+static void cleanup (void) {
+    CHK(env->close(env, 0));
+}
+
+static void run_test(void) {
+    DB* db = NULL;
+    
+    DBT orig_desc;
+    memset(&orig_desc, 0, sizeof(orig_desc));
+    orig_desc.size = sizeof(four_byte_desc);
+    orig_desc.data = &four_byte_desc;
+    // verify we can only set a descriptor with version 1
+    IN_TXN_COMMIT(env, NULL, txn_create, 0, {
+            CHK(db_create(&db, env, 0));
+            assert(db->descriptor == NULL);
+            CHK(db->open(db, txn_create, "foo.db", NULL, DB_BTREE, DB_CREATE, 0666));
+            CHK(db->change_descriptor(db, txn_create, &orig_desc, 0));
+            assert_desc_four(db);
+        });
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));    
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+
+    CHK(env->txn_checkpoint(env, 0, 0, 0));
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));    
+    assert_desc_eight(db);
+    CHK(db->close(db,0));
+
+    db = NULL;
+}
+
+int test_main (int argc, char * const argv[]) {
+    parse_args(argc, argv);
+    setup();
+    run_test();
+    cleanup();
+    return 0;
+}
diff --git a/src/tests/test_trans_desc_during_chkpt4.c b/src/tests/test_trans_desc_during_chkpt4.c
new file mode 100644
index 00000000000..f87baceed54
--- /dev/null
+++ b/src/tests/test_trans_desc_during_chkpt4.c
@@ -0,0 +1,94 @@
+// test that an update calls back into the update function
+
+#include "test.h"
+
+const int envflags = DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_PRIVATE;
+
+DB_ENV *env;
+
+u_int32_t four_byte_desc = 101;
+u_int64_t eight_byte_desc = 10101;
+
+
+static void assert_desc_four (DB* db) {
+    assert(db->descriptor->dbt.size == sizeof(four_byte_desc));
+    assert(*(u_int32_t *)(db->descriptor->dbt.data) == four_byte_desc);
+}
+static void assert_desc_eight (DB* db) {
+    assert(db->descriptor->dbt.size == sizeof(eight_byte_desc));
+    assert(*(u_int32_t *)(db->descriptor->dbt.data) == eight_byte_desc);
+}
+
+static void checkpoint_callback_1(void * extra) {
+    assert(extra == NULL);
+    DB* db = NULL;
+
+    DBT change_descriptor;
+    memset(&change_descriptor, 0, sizeof(change_descriptor));
+    change_descriptor.size = sizeof(eight_byte_desc);
+    change_descriptor.data = &eight_byte_desc;
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));
+    assert_desc_four(db);
+    IN_TXN_ABORT(env, NULL, txn_change, 0, {
+            CHK(db->change_descriptor(db, txn_change, &change_descriptor, 0));
+            assert_desc_eight(db);
+        });
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+}
+
+static void setup (void) {
+    CHK(system("rm -rf " ENVDIR));
+    CHK(toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO));
+    CHK(db_env_create(&env, 0));
+    db_env_set_checkpoint_callback(checkpoint_callback_1, NULL);
+    env->set_errfile(env, stderr);
+    CHK(env->open(env, ENVDIR, envflags, S_IRWXU+S_IRWXG+S_IRWXO));
+}
+
+static void cleanup (void) {
+    CHK(env->close(env, 0));
+}
+
+static void run_test(void) {
+    DB* db = NULL;
+    
+    DBT orig_desc;
+    memset(&orig_desc, 0, sizeof(orig_desc));
+    orig_desc.size = sizeof(four_byte_desc);
+    orig_desc.data = &four_byte_desc;
+    // verify we can only set a descriptor with version 1
+    IN_TXN_COMMIT(env, NULL, txn_create, 0, {
+            CHK(db_create(&db, env, 0));
+            assert(db->descriptor == NULL);
+            CHK(db->open(db, txn_create, "foo.db", NULL, DB_BTREE, DB_CREATE, 0666));
+            CHK(db->change_descriptor(db, txn_create, &orig_desc, 0));
+            assert_desc_four(db);
+        });
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));    
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+
+    CHK(env->txn_checkpoint(env, 0, 0, 0));
+
+    CHK(db_create(&db, env, 0));
+    CHK(db->open(db, NULL, "foo.db", NULL, DB_BTREE, 0, 0666));    
+    assert_desc_four(db);
+    CHK(db->close(db,0));
+
+    db = NULL;
+}
+
+int test_main (int argc, char * const argv[]) {
+    parse_args(argc, argv);
+    setup();
+    run_test();
+    cleanup();
+    return 0;
+}