static svn_error_t *
stream_window_test(const char **msg,
svn_boolean_t msg_only,
svn_test_opts_t *opts,
apr_pool_t *pool)
{
/* Note: put these in data segment, not the stack */
static char source[109001];
static char target[109001];
int i;
char *p = &source[9];
svn_checksum_t *expected;
svn_checksum_t *actual;
svn_string_t source_str;
svn_string_t target_str;
svn_stream_t *source_stream;
svn_stream_t *target_stream;
svn_txdelta_stream_t *txstream;
*msg = "txdelta stream and windows test";
if (msg_only)
return SVN_NO_ERROR;
memcpy(source, "a\nb\nc\nd\ne", 9);
for (i = 100; i--; )
*p++ = '\n';
for (i = 999; i--; p += 109)
memcpy(p, source, 109);
source[109000] = '\0';
memcpy(target, source, 109001);
for (i = 1000; i--; )
target[i*109 + 4] = 'X';
SVN_ERR(svn_checksum(&expected, svn_checksum_md5, target, 109000, pool));
/* f6fd44565e14c6e44b35292719deb77e */
printf("expected: %s\n", svn_checksum_to_cstring(expected, pool));
source_str.data = source;
source_str.len = 109000;
source_stream = svn_stream_from_string(&source_str, pool);
target_str.data = target;
target_str.len = 109000;
target_stream = svn_stream_from_string(&target_str, pool);
svn_txdelta(&txstream, source_stream, target_stream, pool);
while (1)
{
svn_txdelta_window_t *window;
SVN_ERR(svn_txdelta_next_window(&window, txstream, pool));
if (window == NULL)
break;
/* ### examine the window */
}
actual = svn_checksum__from_digest(svn_txdelta_md5_digest(txstream),
svn_checksum_md5, pool);;
printf(" actual: %s\n", svn_checksum_to_cstring(actual, pool));
if (!svn_checksum_match(expected, actual))
{
return svn_error_create(SVN_ERR_TEST_FAILED, NULL,
"Checksums did not match.");
}
return SVN_NO_ERROR;
}
/* Exercise the pristine text API with a simple write and read. */
static svn_error_t *
pristine_write_read(const svn_test_opts_t *opts,
apr_pool_t *pool)
{
svn_wc__db_t *db;
const char *wc_abspath;
svn_wc__db_install_data_t *install_data;
svn_stream_t *pristine_stream;
apr_size_t sz;
const char data[] = "Blah";
svn_string_t *data_string = svn_string_create(data, pool);
svn_checksum_t *data_sha1, *data_md5;
SVN_ERR(create_repos_and_wc(&wc_abspath, &db,
"pristine_write_read", opts, pool));
/* Write DATA into a new temporary pristine file, set PRISTINE_TMP_ABSPATH
* to its path and set DATA_SHA1 and DATA_MD5 to its checksums. */
SVN_ERR(svn_wc__db_pristine_prepare_install(&pristine_stream,
&install_data,
&data_sha1, &data_md5,
db, wc_abspath,
pool, pool));
sz = strlen(data);
SVN_ERR(svn_stream_write(pristine_stream, data, &sz));
SVN_ERR(svn_stream_close(pristine_stream));
/* Ensure it's not already in the store. */
{
svn_boolean_t present;
SVN_ERR(svn_wc__db_pristine_check(&present, db, wc_abspath, data_sha1,
pool));
SVN_TEST_ASSERT(! present);
}
/* Install the new pristine file, referenced by its checksum. */
SVN_ERR(svn_wc__db_pristine_install(install_data,
data_sha1, data_md5, pool));
/* Ensure it is now found in the store. */
{
svn_boolean_t present;
SVN_ERR(svn_wc__db_pristine_check(&present, db, wc_abspath, data_sha1,
pool));
SVN_TEST_ASSERT(present);
}
/* Look up its MD-5 from its SHA-1, and check it's the same MD-5. */
{
const svn_checksum_t *looked_up_md5;
SVN_ERR(svn_wc__db_pristine_get_md5(&looked_up_md5, db, wc_abspath,
data_sha1, pool, pool));
SVN_TEST_ASSERT(looked_up_md5->kind == svn_checksum_md5);
SVN_TEST_ASSERT(svn_checksum_match(data_md5, looked_up_md5));
}
/* Read the pristine text back and verify it's the same content. */
{
svn_stream_t *data_stream = svn_stream_from_string(data_string, pool);
svn_stream_t *data_read_back;
svn_boolean_t same;
SVN_ERR(svn_wc__db_pristine_read(&data_read_back, NULL, db, wc_abspath,
data_sha1, pool, pool));
SVN_ERR(svn_stream_contents_same2(&same, data_read_back, data_stream,
pool));
SVN_TEST_ASSERT(same);
}
/* Trivially test the "remove if unreferenced" API: it's not referenced
so we should be able to remove it. */
{
svn_error_t *err;
svn_stream_t *data_read_back;
SVN_ERR(svn_wc__db_pristine_remove(db, wc_abspath, data_sha1, pool));
err = svn_wc__db_pristine_read(&data_read_back, NULL, db, wc_abspath,
data_sha1, pool, pool);
SVN_TEST_ASSERT_ERROR(err, SVN_ERR_WC_PATH_NOT_FOUND);
}
/* Ensure it's no longer found in the store. */
{
svn_boolean_t present;
SVN_ERR(svn_wc__db_pristine_check(&present, db, wc_abspath, data_sha1,
pool));
SVN_TEST_ASSERT(! present);
}
return SVN_NO_ERROR;
}
inline Try<Diff> diff(const std::string& from, const std::string& to)
{
// Initialize the Apache Portable Runtime subsystem, as necessary
// for using the svn library.
initialize();
// Note that svn_pool_create wraps apr_pool_create_ex, which is
// thread safe, see: http://goo.gl/NX0hps.
apr_pool_t* pool = svn_pool_create(NULL);
// First we need to produce a text delta stream by diffing 'source'
// against 'target'.
svn_string_t source;
source.data = from.data();
source.len = from.length();
svn_string_t target;
target.data = to.data();
target.len = to.length();
svn_txdelta_stream_t* delta;
#if SVN_VER_MAJOR >= 1 && SVN_VER_MINOR >= 8
svn_txdelta2(
&delta,
svn_stream_from_string(&source, pool),
svn_stream_from_string(&target, pool),
false,
pool);
#else
svn_txdelta(
&delta,
svn_stream_from_string(&source, pool),
svn_stream_from_string(&target, pool),
pool);
#endif
// Now we want to convert this text delta stream into an svndiff
// format based diff. Setup the handler that will consume the text
// delta and produce the svndiff.
svn_txdelta_window_handler_t handler;
void* baton = NULL;
svn_stringbuf_t* diff = svn_stringbuf_create_ensure(1024, pool);
#if SVN_VER_MAJOR >= 1 && SVN_VER_MINOR >= 7
svn_txdelta_to_svndiff3(
&handler,
&baton,
svn_stream_from_stringbuf(diff, pool),
0,
SVN_DELTA_COMPRESSION_LEVEL_DEFAULT,
pool);
#elif SVN_VER_MAJOR >= 1 && SVN_VER_MINOR >= 4
svn_txdelta_to_svndiff2(
&handler,
&baton,
svn_stream_from_stringbuf(diff, pool),
0,
pool);
#else
svn_txdelta_to_svndiff(
svn_stream_from_stringbuf(diff, pool),
pool,
&handler,
&baton);
#endif
// Now feed the text delta to the handler.
svn_error_t* error = svn_txdelta_send_txstream(delta, handler, baton, pool);
if (error != NULL) {
char buffer[1024];
std::string message(svn_err_best_message(error, buffer, 1024));
svn_pool_destroy(pool);
return Error(message);
}
Diff d(std::string(diff->data, diff->len));
svn_pool_destroy(pool);
return d;
}
