sqlite/test/fts3snippet2.test

# 2020-05-14
#
# 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.
#
#*************************************************************************
#
# The tests in this file test the FTS3 auxillary functions offsets(), 
# snippet() and matchinfo() work. At time of writing, running this file 
# provides full coverage of fts3_snippet.c.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix fts3snippet

# If SQLITE_ENABLE_FTS3 is not defined, omit this file.
ifcapable !fts3 { finish_test ; return }
source $testdir/fts3_common.tcl

set sqlite_fts3_enable_parentheses 1
#-------------------------------------------------------------------------
# Request a snippet from a query with more than 64 phrases.
#
reset_db
do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE f USING fts3(b);
  INSERT INTO f VALUES ( x'746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218');
}

do_execsql_test 1.1 {
  SELECT  length(snippet(f))>0  FROM f WHERE b MATCH x'1065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a010f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c2a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e0f42';
} {1}

reset_db
do_execsql_test 2.0 {
  CREATE VIRTUAL TABLE t0 USING fts3(col0 INTEGER PRIMARY KEY,col1 VARCHAR(8),col2 BINARY,col3 BINARY);
  INSERT INTO t0 VALUES (1, '1234','aaaa','bbbb');
  SELECT snippet(t0)  FROM t0 WHERE t0 MATCH x'0a4d4d4d4d320a4f52d70a310a310a4e4541520a0a31f6ce0a4f520a0a310a310a310a4f520a75fc2a242424' ;
} {<b>1</b>}

reset_db
do_execsql_test 2.1 {
  CREATE VIRTUAL TABLE t0 USING fts3(
      col0 INTEGER PRIMARY KEY,col1 VARCHAR(8),col2 BINARY,col3 BINARY
  );
  INSERT INTO t0 VALUES ('one', '1234','aaaa','bbbb');
}
do_execsql_test 2.2 {
  SELECT snippet(t0)  FROM t0 WHERE t0 MATCH 
  '(def AND (one NEAR abc)) OR one'
} {<b>one</b>}

set sqlite_fts3_enable_parentheses 0
finish_test