# 2014 June 17
#
# 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.
#
#*************************************************************************
#
# Test the fts5 expression parser directly using the fts5_expr() SQL
# test function.
#
source [file join [file dirname [info script]] fts5_common.tcl]
set testprefix fts5ea
# If SQLITE_ENABLE_FTS5 is defined, omit this file.
ifcapable !fts5 {
finish_test
return
}
proc do_syntax_error_test {tn expr err} {
set ::se_expr $expr
do_catchsql_test $tn {SELECT fts5_expr($se_expr)} [list 1 $err]
}
proc do_syntax_test {tn expr res} {
set ::se_expr $expr
do_execsql_test $tn {SELECT fts5_expr($se_expr)} [list $res]
}
foreach {tn expr res} {
1 {abc} {"abc"}
2 {abc def} {"abc" AND "def"}
3 {abc*} {"abc" *}
4 {"abc def ghi" *} {"abc" + "def" + "ghi" *}
5 {one AND two} {"one" AND "two"}
6 {one+two} {"one" + "two"}
7 {one AND two OR three} {("one" AND "two") OR "three"}
8 {one OR two AND three} {"one" OR ("two" AND "three")}
9 {NEAR(one two)} {NEAR("one" "two", 10)}
10 {NEAR("one three"* two, 5)} {NEAR("one" + "three" * "two", 5)}
11 {a OR b NOT c} {"a" OR ("b" NOT "c")}
12 "\x20one\x20two\x20three" {"one" AND "two" AND "three"}
13 "\x09one\x0Atwo\x0Dthree" {"one" AND "two" AND "three"}
14 {"abc""def"} {"abc" + "def"}
} {
do_execsql_test 1.$tn {SELECT fts5_expr($expr)} [list $res]
}
foreach {tn expr res} {
1 {c1:abc}
{c1 : "abc"}
2 {c2 : NEAR(one two) c1:"hello world"}
{c2 : NEAR("one" "two", 10) AND c1 : "hello" + "world"}
} {
do_execsql_test 2.$tn {SELECT fts5_expr($expr, 'c1', 'c2')} [list $res]
}
foreach {tn expr err} {
1 {AND} {fts5: syntax error near "AND"}
2 {abc def AND} {fts5: syntax error near ""}
3 {abc OR AND} {fts5: syntax error near "AND"}
4 {(a OR b) abc} {fts5: syntax error near "abc"}
5 {NEaR (a b)} {fts5: syntax error near "NEaR"}
6 {NEa (a b)} {fts5: syntax error near "NEa"}
7 {(a OR b) NOT c)} {fts5: syntax error near ")"}
8 {nosuch: a nosuch2: b} {no such column: nosuch}
9 {addr: a nosuch2: b} {no such column: nosuch2}
10 {NOT} {fts5: syntax error near "NOT"}
11 {a AND "abc} {unterminated string}
12 {NEAR(a b, xyz)} {expected integer, got "xyz"}
13 {NEAR(a b, // )} {fts5: syntax error near "/"}
14 {NEAR(a b, "xyz" )} {expected integer, got ""xyz""}
} {
do_catchsql_test 3.$tn {SELECT fts5_expr($expr, 'name', 'addr')} [list 1 $err]
}
#-------------------------------------------------------------------------
# Experiment with a tokenizer that considers " to be a token character.
#
do_execsql_test 4.0 {
SELECT fts5_expr('a AND """"', 'x', 'tokenize="unicode61 tokenchars ''""''"');
} {{"a" AND """"}}
#-------------------------------------------------------------------------
# Experiment with a tokenizer that considers " to be a token character.
#
do_catchsql_test 5.0 {
SELECT fts5_expr('abc | def');
} {1 {fts5: syntax error near "|"}}
finish_test