Commit f10cfb05 authored by unknown's avatar unknown
Browse files

Add "diff_files" command to mysqltest

parent 1009e0d3

client/mysqltest.c

+75 −1
Original line number Diff line number Diff line
@@ -273,7 +273,7 @@ enum enum_commands { 
  Q_DISABLE_PARSING, Q_ENABLE_PARSING,

  Q_REPLACE_REGEX, Q_REMOVE_FILE, Q_FILE_EXIST,

  Q_WRITE_FILE, Q_COPY_FILE, Q_PERL, Q_DIE, Q_EXIT,

  Q_CHMOD_FILE, Q_APPEND_FILE, Q_CAT_FILE,

  Q_CHMOD_FILE, Q_APPEND_FILE, Q_CAT_FILE, Q_DIFF_FILES,



  Q_UNKNOWN,			       /* Unknown command.   */

  Q_COMMENT,			       /* Comments, ignored. */
@@ -359,6 +359,7 @@ const char *command_names[]= 
  "chmod",

  "append_file",

  "cat_file",

  "diff_files",

  0

};
@@ -2223,6 +2224,78 @@ void do_cat_file(struct st_command *command) 
}







/*

  SYNOPSIS

  do_diff_files

  command	called command



  DESCRIPTION

  diff_files <file1> <file2>;



  Fails if the two files differ.



*/



void do_diff_files(struct st_command *command)

{

  int error= 0;

  int fd, fd2;

  uint len, len2;

  char buff[512], buff2[512];

  static DYNAMIC_STRING ds_filename;

  static DYNAMIC_STRING ds_filename2;

  const struct command_arg diff_file_args[] = {

    "file1", ARG_STRING, TRUE, &ds_filename, "First file to diff",

    "file2", ARG_STRING, TRUE, &ds_filename2, "Second file to diff"

  };

  DBUG_ENTER("do_diff_files");



  check_command_args(command,

                     command->first_argument,

                     diff_file_args,

                     sizeof(diff_file_args)/sizeof(struct command_arg),

                     ' ');



  if ((fd= my_open(ds_filename.str, O_RDONLY, MYF(0))) < 0)

    die("Failed to open first file %s", ds_filename.str);

  if ((fd2= my_open(ds_filename2.str, O_RDONLY, MYF(0))) < 0)

  {

    my_close(fd, MYF(0));

    die("Failed to open second file %s", ds_filename2.str);

  }

  while((len= my_read(fd, (byte*)&buff,

                      sizeof(buff), MYF(0))) > 0)

  {

    if ((len2= my_read(fd2, (byte*)&buff2,

                       sizeof(buff2), MYF(0))) != len)

    {

      /* File 2 was smaller */

      error= 1;

      break;

    }

    if ((memcmp(buff, buff2, len)))

    {

      /* Content of this part differed */

      error= 1;

      break;

    }

  }

  if (my_read(fd2, (byte*)&buff2,

              sizeof(buff2), MYF(0)) > 0)

  {

    /* File 1 was smaller */

    error= 1;

  }



  my_close(fd, MYF(0));

  my_close(fd2, MYF(0));

  dynstr_free(&ds_filename);

  dynstr_free(&ds_filename2);

  handle_command_error(command, error);

  DBUG_VOID_RETURN;

}



/*

  SYNOPSIS

  do_perl
@@ -5989,6 +6062,7 @@ int main(int argc, char **argv) 
      case Q_FILE_EXIST: do_file_exist(command); break;

      case Q_WRITE_FILE: do_write_file(command); break;

      case Q_APPEND_FILE: do_append_file(command); break;

      case Q_DIFF_FILES: do_diff_files(command); break;

      case Q_CAT_FILE: do_cat_file(command); break;

      case Q_COPY_FILE: do_copy_file(command); break;

      case Q_CHMOD_FILE: do_chmod_file(command); break;

mysql-test/t/mysqltest.test

+35 −0
Original line number Diff line number Diff line
@@ -1517,6 +1517,41 @@ cat_file $MYSQLTEST_VARDIR/tmp/test_file1.tmp; 
--error 1

--exec echo "cat_file non_existing_file;" | $MYSQL_TEST 2>&1



# ----------------------------------------------------------------------------

# test for diff_files

# ----------------------------------------------------------------------------



--write_file $MYSQLTEST_VARDIR/tmp/diff1.tmp

Some data

for diff_file command

of mysqltest

EOF



--write_file $MYSQLTEST_VARDIR/tmp/diff2.tmp

Some data

for diff_file command

of mysqltest

EOF



--write_file $MYSQLTEST_VARDIR/tmp/diff3.tmp

Some other data

for diff_file command

of mysqltest

EOF



# Compare equal files

--diff_files $MYSQLTEST_VARDIR/tmp/diff1.tmp $MYSQLTEST_VARDIR/tmp/diff2.tmp

--diff_files $MYSQLTEST_VARDIR/tmp/diff2.tmp $MYSQLTEST_VARDIR/tmp/diff1.tmp



# Compare files that differ

--error 1

--diff_files $MYSQLTEST_VARDIR/tmp/diff3.tmp $MYSQLTEST_VARDIR/tmp/diff2.tmp

--error 1

--diff_files $MYSQLTEST_VARDIR/tmp/diff1.tmp $MYSQLTEST_VARDIR/tmp/diff3.tmp



# Compare equal files, again...

--diff_files $MYSQLTEST_VARDIR/tmp/diff1.tmp $MYSQLTEST_VARDIR/tmp/diff2.tmp



# ----------------------------------------------------------------------------

# test for file_exist

# ----------------------------------------------------------------------------