# 2007 July 24
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#*************************************************************************
# This file implements regression tests for SQLite library.  The focus
# of this script is testing the FTS1 module rename functionality.  Mostly
# copied from fts2o.test.
#
# $Id: fts1o.test,v 1.2 2007/08/30 20:01:33 shess Exp $
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# If SQLITE_ENABLE_FTS1 is not defined, omit this file.
ifcapable !fts1 {
  finish_test
  return
}

db eval {
  CREATE VIRTUAL TABLE t1 USING fts1(a, b, c);
  INSERT INTO t1(a, b, c) VALUES('one three four', 'one four', 'one four two');
}

#---------------------------------------------------------------------
# Test that it is possible to rename an fts1 table.
#
do_test fts1o-1.1 {
  execsql { SELECT tbl_name FROM sqlite_master WHERE type = 'table'}
} {t1 t1_content t1_term}
do_test fts1o-1.2 {
  execsql { ALTER TABLE t1 RENAME to fts_t1; }
} {}
do_test fts1o-1.3 {
  execsql { SELECT rowid, snippet(fts_t1) FROM fts_t1 WHERE a MATCH 'four'; }
} {1 {one three <b>four</b>}}
do_test fts1o-1.4 {
  execsql { SELECT tbl_name FROM sqlite_master WHERE type = 'table'}
} {fts_t1 fts_t1_content fts_t1_term}

# See what happens when renaming the fts1 table fails.
#
do_test fts1o-2.1 {
  catchsql {
    CREATE TABLE t1_term(a, b, c);
    ALTER TABLE fts_t1 RENAME to t1;
  }
} {1 {SQL logic error}}
do_test fts1o-2.2 {
  execsql { SELECT rowid, snippet(fts_t1) FROM fts_t1 WHERE a MATCH 'four'; }
} {1 {one three <b>four</b>}}
do_test fts1o-2.3 {
  execsql { SELECT tbl_name FROM sqlite_master WHERE type = 'table'}
} {fts_t1 fts_t1_content fts_t1_term t1_term}

# See what happens when renaming the fts1 table fails inside a transaction.
#
do_test fts1o-3.1 {
  execsql {
    BEGIN;
    INSERT INTO fts_t1(a, b, c) VALUES('one two three', 'one four', 'one two');
  }
} {}
do_test fts1o-3.2 {
  catchsql {
    ALTER TABLE fts_t1 RENAME to t1;
  }
} {1 {SQL logic error}}
# NOTE(shess) rowid AS rowid to defeat caching.  Otherwise, this
# seg-faults, I suspect that there's something up with a stale
# virtual-table reference, but I'm not quite sure how it happens here
# but not for fts2o.test.
do_test fts1o-3.3 {
  execsql { SELECT rowid AS rowid, snippet(fts_t1) FROM fts_t1 WHERE a MATCH 'four'; }
} {1 {one three <b>four</b>}}
do_test fts1o-3.4 {
  execsql { SELECT tbl_name FROM sqlite_master WHERE type = 'table'}
} {fts_t1 fts_t1_content fts_t1_term t1_term}
do_test fts1o-3.5 {
  execsql COMMIT
  execsql {SELECT a FROM fts_t1}
} {{one three four} {one two three}}
do_test fts1o-3.6 {
  execsql { SELECT a, b, c FROM fts_t1 WHERE c MATCH 'four'; }
} {{one three four} {one four} {one four two}}

#---------------------------------------------------------------------
# Test that it is possible to rename an fts1 table in an attached 
# database.
#
forcedelete test2.db test2.db-journal

do_test fts1o-4.1 {
  execsql {
    DROP TABLE t1_term;
    ALTER TABLE fts_t1 RENAME to t1;
    SELECT a, b, c FROM t1 WHERE c MATCH 'two';
  }
} {{one three four} {one four} {one four two} {one two three} {one four} {one two}}

do_test fts1o-4.2 {
  execsql {
    ATTACH 'test2.db' AS aux;
    CREATE VIRTUAL TABLE aux.t1 USING fts1(a, b, c);
    INSERT INTO aux.t1(a, b, c) VALUES(
      'neung song sahm', 'neung see', 'neung see song'
    );
  }
} {}

do_test fts1o-4.3 {
  execsql { SELECT a, b, c FROM aux.t1 WHERE a MATCH 'song'; }
} {{neung song sahm} {neung see} {neung see song}}

do_test fts1o-4.4 {
  execsql { SELECT a, b, c FROM t1 WHERE c MATCH 'two'; }
} {{one three four} {one four} {one four two} {one two three} {one four} {one two}}

do_test fts1o-4.5 {
  execsql { ALTER TABLE aux.t1 RENAME TO t2 }
} {}

do_test fts1o-4.6 {
  execsql { SELECT a, b, c FROM t2 WHERE a MATCH 'song'; }
} {{neung song sahm} {neung see} {neung see song}}

do_test fts1o-4.7 {
  execsql { SELECT a, b, c FROM t1 WHERE c MATCH 'two'; }
} {{one three four} {one four} {one four two} {one two three} {one four} {one two}}

finish_test