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sqlite/test/fts4unicode.test

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# 2012 May 25
#
# 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 focus on testing the "unicode" FTS tokenizer.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !fts3_unicode { finish_test ; return }
set ::testprefix fts4unicode
proc do_unicode_token_test {tn input res} {
set input [string map {' ''} $input]
uplevel [list do_execsql_test $tn "
SELECT fts3_tokenizer_test('unicode61', 'remove_diacritics=0', '$input');
" [list [list {*}$res]]]
}
proc do_unicode_token_test2 {tn input res} {
set input [string map {' ''} $input]
uplevel [list do_execsql_test $tn "
SELECT fts3_tokenizer_test('unicode61', '$input');
" [list [list {*}$res]]]
}
proc do_unicode_token_test3 {tn args} {
set res [lindex $args end]
set sql "SELECT fts3_tokenizer_test('unicode61'"
foreach a [lrange $args 0 end-1] {
append sql ", '"
append sql [string map {' ''} $a]
append sql "'"
}
append sql ")"
uplevel [list do_execsql_test $tn $sql [list [list {*}$res]]]
}
do_unicode_token_test 1.0 {a B c D} {0 a a 1 b B 2 c c 3 d D}
do_unicode_token_test 1.1 {Ä Ö Ü} {0 ä Ä 1 ö Ö 2 ü Ü}
do_unicode_token_test 1.2 {xÄx xÖx xÜx} {0 xäx xÄx 1 xöx xÖx 2 xüx xÜx}
# 0x00DF is a small "sharp s". 0x1E9E is a capital sharp s.
do_unicode_token_test 1.3 "\uDF" "0 \uDF \uDF"
do_unicode_token_test 1.4 "\u1E9E" "0 ß \u1E9E"
do_unicode_token_test 1.5 "\u1E9E" "0 \uDF \u1E9E"
do_unicode_token_test 1.6 "The quick brown fox" {
0 the The 1 quick quick 2 brown brown 3 fox fox
}
do_unicode_token_test 1.7 "The\u00bfquick\u224ebrown\u2263fox" {
0 the The 1 quick quick 2 brown brown 3 fox fox
}
do_unicode_token_test2 1.8 {a B c D} {0 a a 1 b B 2 c c 3 d D}
do_unicode_token_test2 1.9 {Ä Ö Ü} {0 a Ä 1 o Ö 2 u Ü}
do_unicode_token_test2 1.10 {xÄx xÖx xÜx} {0 xax xÄx 1 xox xÖx 2 xux xÜx}
# Check that diacritics are removed if remove_diacritics=1 is specified.
# And that they do not break tokens.
do_unicode_token_test2 1.11 "xx\u0301xx" "0 xxxx xx\u301xx"
# Title-case mappings work
do_unicode_token_test 1.12 "\u01c5" "0 \u01c6 \u01c5"
#-------------------------------------------------------------------------
#
set docs [list {
Enhance the INSERT syntax to allow multiple rows to be inserted via the
VALUES clause.
} {
Enhance the CREATE VIRTUAL TABLE command to support the IF NOT EXISTS clause.
} {
Added the sqlite3_stricmp() interface as a counterpart to sqlite3_strnicmp().
} {
Added the sqlite3_db_readonly() interface.
} {
Added the SQLITE_FCNTL_PRAGMA file control, giving VFS implementations the
ability to add new PRAGMA statements or to override built-in PRAGMAs.
} {
Queries of the form: "SELECT max(x), y FROM table" returns the value of y on
the same row that contains the maximum x value.
} {
Added support for the FTS4 languageid option.
} {
Documented support for the FTS4 content option. This feature has actually
been in the code since version 3.7.9 but is only now considered to be
officially supported.
} {
Pending statements no longer block ROLLBACK. Instead, the pending statement
will return SQLITE_ABORT upon next access after the ROLLBACK.
} {
Improvements to the handling of CSV inputs in the command-line shell
} {
Fix a bug introduced in version 3.7.10 that might cause a LEFT JOIN to be
incorrectly converted into an INNER JOIN if the WHERE clause indexable terms
connected by OR.
}]
set map(a) [list "\u00C4" "\u00E4"] ; # LATIN LETTER A WITH DIAERESIS
set map(e) [list "\u00CB" "\u00EB"] ; # LATIN LETTER E WITH DIAERESIS
set map(i) [list "\u00CF" "\u00EF"] ; # LATIN LETTER I WITH DIAERESIS
set map(o) [list "\u00D6" "\u00F6"] ; # LATIN LETTER O WITH DIAERESIS
set map(u) [list "\u00DC" "\u00FC"] ; # LATIN LETTER U WITH DIAERESIS
set map(y) [list "\u0178" "\u00FF"] ; # LATIN LETTER Y WITH DIAERESIS
set map(h) [list "\u1E26" "\u1E27"] ; # LATIN LETTER H WITH DIAERESIS
set map(w) [list "\u1E84" "\u1E85"] ; # LATIN LETTER W WITH DIAERESIS
set map(x) [list "\u1E8C" "\u1E8D"] ; # LATIN LETTER X WITH DIAERESIS
foreach k [array names map] {
lappend mappings [string toupper $k] [lindex $map($k) 0]
lappend mappings $k [lindex $map($k) 1]
}
proc mapdoc {doc} {
set doc [regsub -all {[[:space:]]+} $doc " "]
string map $::mappings [string trim $doc]
}
do_test 2.0 {
execsql { CREATE VIRTUAL TABLE t2 USING fts4(tokenize=unicode61, x); }
foreach doc $docs {
set d [mapdoc $doc]
execsql { INSERT INTO t2 VALUES($d) }
}
} {}
do_test 2.1 {
set q [mapdoc "row"]
execsql { SELECT * FROM t2 WHERE t2 MATCH $q }
} [list [mapdoc {
Queries of the form: "SELECT max(x), y FROM table" returns the value of y on
the same row that contains the maximum x value.
}]]
foreach {tn query snippet} {
2 "row" {
...returns the value of y on the same [row] that contains
the maximum x value.
}
3 "ROW" {
...returns the value of y on the same [row] that contains
the maximum x value.
}
4 "rollback" {
...[ROLLBACK]. Instead, the pending statement
will return SQLITE_ABORT upon next access after the [ROLLBACK].
}
5 "rOllback" {
...[ROLLBACK]. Instead, the pending statement
will return SQLITE_ABORT upon next access after the [ROLLBACK].
}
6 "lang*" {
Added support for the FTS4 [languageid] option.
}
} {
do_test 2.$tn {
set q [mapdoc $query]
execsql { SELECT snippet(t2, '[', ']', '...') FROM t2 WHERE t2 MATCH $q }
} [list [mapdoc $snippet]]
}
#-------------------------------------------------------------------------
# Make sure the unicode61 tokenizer does not crash if it is passed a
# NULL pointer.
reset_db
do_execsql_test 3.1 {
CREATE VIRTUAL TABLE t1 USING fts4(tokenize=unicode61, x, y);
INSERT INTO t1 VALUES(NULL, 'a b c');
}
do_execsql_test 3.2 {
SELECT snippet(t1, '[', ']') FROM t1 WHERE t1 MATCH 'b'
} {{a [b] c}}
do_execsql_test 3.3 {
BEGIN;
DELETE FROM t1;
INSERT INTO t1 VALUES('b b b b b b b b b b b', 'b b b b b b b b b b b b b');
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 VALUES('a b c', NULL);
INSERT INTO t1 VALUES('a x c', NULL);
COMMIT;
}
do_execsql_test 3.4 {
SELECT * FROM t1 WHERE t1 MATCH 'a b';
} {{a b c} {}}
#-------------------------------------------------------------------------
#
reset_db
do_test 4.1 {
set a "abc\uFFFEdef"
set b "abc\uD800def"
set c "\uFFFEdef"
set d "\uD800def"
execsql {
CREATE VIRTUAL TABLE t1 USING fts4(tokenize=unicode61, x);
INSERT INTO t1 VALUES($a);
INSERT INTO t1 VALUES($b);
INSERT INTO t1 VALUES($c);
INSERT INTO t1 VALUES($d);
}
} {}
do_test 4.2 {
set a [binary format c* {0x61 0xF7 0xBF 0xBF 0xBF 0x62}]
set b [binary format c* {0x61 0xF7 0xBF 0xBF 0xBF 0xBF 0x62}]
set c [binary format c* {0x61 0xF7 0xBF 0xBF 0xBF 0xBF 0xBF 0x62}]
set d [binary format c* {0x61 0xF7 0xBF 0xBF 0xBF 0xBF 0xBF 0xBF 0x62}]
execsql {
INSERT INTO t1 VALUES($a);
INSERT INTO t1 VALUES($b);
INSERT INTO t1 VALUES($c);
INSERT INTO t1 VALUES($d);
}
} {}
do_test 4.3 {
set a [binary format c* {0xF7 0xBF 0xBF 0xBF}]
set b [binary format c* {0xF7 0xBF 0xBF 0xBF 0xBF}]
set c [binary format c* {0xF7 0xBF 0xBF 0xBF 0xBF 0xBF}]
set d [binary format c* {0xF7 0xBF 0xBF 0xBF 0xBF 0xBF 0xBF}]
execsql {
INSERT INTO t1 VALUES($a);
INSERT INTO t1 VALUES($b);
INSERT INTO t1 VALUES($c);
INSERT INTO t1 VALUES($d);
}
} {}
#-------------------------------------------------------------------------
do_unicode_token_test3 5.1 {tokenchars=} {
sqlite3_reset sqlite3_column_int
} {
0 sqlite3 sqlite3
1 reset reset
2 sqlite3 sqlite3
3 column column
4 int int
}
do_unicode_token_test3 5.2 {tokenchars=_} {
sqlite3_reset sqlite3_column_int
} {
0 sqlite3_reset sqlite3_reset
1 sqlite3_column_int sqlite3_column_int
}
do_unicode_token_test3 5.3 {separators=xyz} {
Laotianxhorseyrunszfast
} {
0 laotian Laotian
1 horse horse
2 runs runs
3 fast fast
}
do_unicode_token_test3 5.4 {tokenchars=xyz} {
Laotianxhorseyrunszfast
} {
0 laotianxhorseyrunszfast Laotianxhorseyrunszfast
}
do_unicode_token_test3 5.5 {tokenchars=_} {separators=zyx} {
sqlite3_resetxsqlite3_column_intyhonda_phantom
} {
0 sqlite3_reset sqlite3_reset
1 sqlite3_column_int sqlite3_column_int
2 honda_phantom honda_phantom
}
do_unicode_token_test3 5.6 "separators=\u05D1" "abc\u05D1def" {
0 abc abc 1 def def
}
do_unicode_token_test3 5.7 \
"tokenchars=\u2444\u2445" \
"separators=\u05D0\u05D1\u05D2" \
"\u2444fre\u2445sh\u05D0water\u05D2fish.\u2445timer" \
[list \
0 \u2444fre\u2445sh \u2444fre\u2445sh \
1 water water \
2 fish fish \
3 \u2445timer \u2445timer \
]
# Check that it is not possible to add a standalone diacritic codepoint
# to either separators or tokenchars.
do_unicode_token_test3 5.8 "separators=\u0301" \
"hello\u0301world \u0301helloworld" \
"0 helloworld hello\u0301world 1 helloworld helloworld"
do_unicode_token_test3 5.9 "tokenchars=\u0301" \
"hello\u0301world \u0301helloworld" \
"0 helloworld hello\u0301world 1 helloworld helloworld"
do_unicode_token_test3 5.10 "separators=\u0301" \
"remove_diacritics=0" \
"hello\u0301world \u0301helloworld" \
"0 hello\u0301world hello\u0301world 1 helloworld helloworld"
do_unicode_token_test3 5.11 "tokenchars=\u0301" \
"remove_diacritics=0" \
"hello\u0301world \u0301helloworld" \
"0 hello\u0301world hello\u0301world 1 helloworld helloworld"
#-------------------------------------------------------------------------
proc do_tokenize {tokenizer txt} {
set res [list]
foreach {a b c} [db one {SELECT fts3_tokenizer_test($tokenizer, $txt)}] {
lappend res $b
}
set res
}
# Argument $lCodepoint must be a list of codepoints (integers) that
# correspond to whitespace characters. This command creates a string
# $W from the codepoints, then tokenizes "${W}hello{$W}world${W}"
# using tokenizer $tokenizer. The test passes if the tokenizer successfully
# extracts the two 5 character tokens.
#
proc do_isspace_test {tn tokenizer lCp} {
set whitespace [format [string repeat %c [llength $lCp]] {*}$lCp]
set txt "${whitespace}hello${whitespace}world${whitespace}"
uplevel [list do_test $tn [list do_tokenize $tokenizer $txt] {hello world}]
}
set tokenizers [list unicode61]
ifcapable icu { lappend tokenizers icu }
# Some tests to check that the tokenizers can both identify white-space
# codepoints. All codepoints tested below are of type "Zs" in the
# UnicodeData.txt file.
foreach T $tokenizers {
do_isspace_test 6.$T.1 $T 32
do_isspace_test 6.$T.2 $T 160
do_isspace_test 6.$T.3 $T 5760
do_isspace_test 6.$T.4 $T 6158
do_isspace_test 6.$T.5 $T 8192
do_isspace_test 6.$T.6 $T 8193
do_isspace_test 6.$T.7 $T 8194
do_isspace_test 6.$T.8 $T 8195
do_isspace_test 6.$T.9 $T 8196
do_isspace_test 6.$T.10 $T 8197
do_isspace_test 6.$T.11 $T 8198
do_isspace_test 6.$T.12 $T 8199
do_isspace_test 6.$T.13 $T 8200
do_isspace_test 6.$T.14 $T 8201
do_isspace_test 6.$T.15 $T 8202
do_isspace_test 6.$T.16 $T 8239
do_isspace_test 6.$T.17 $T 8287
do_isspace_test 6.$T.18 $T 12288
do_isspace_test 6.$T.19 $T {32 160 5760 6158}
do_isspace_test 6.$T.19 $T {8192 8193 8194 8195}
do_isspace_test 6.$T.19 $T {8196 8197 8198 8199}
do_isspace_test 6.$T.19 $T {8200 8201 8202 8239}
do_isspace_test 6.$T.19 $T {8287 12288}
}
finish_test
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