Annotation of embedaddon/sqlite3/test/fts2token.test, revision 1.1

1.1     ! misho       1: # 2007 June 21
        !             2: #
        !             3: # The author disclaims copyright to this source code.  In place of
        !             4: # a legal notice, here is a blessing:
        !             5: #
        !             6: #    May you do good and not evil.
        !             7: #    May you find forgiveness for yourself and forgive others.
        !             8: #    May you share freely, never taking more than you give.
        !             9: #
        !            10: #*************************************************************************
        !            11: # This file implements regression tests for SQLite library. The focus 
        !            12: # of this script is testing the pluggable tokeniser feature of the 
        !            13: # FTS2 module.
        !            14: #
        !            15: # $Id: fts2token.test,v 1.3 2007/06/25 12:05:40 danielk1977 Exp $
        !            16: #
        !            17: 
        !            18: set testdir [file dirname $argv0]
        !            19: source $testdir/tester.tcl
        !            20: 
        !            21: # If SQLITE_ENABLE_FTS2 is defined, omit this file.
        !            22: ifcapable !fts2 {
        !            23:   finish_test
        !            24:   return
        !            25: }
        !            26: 
        !            27: proc escape_string {str} {
        !            28:   set out ""
        !            29:   foreach char [split $str ""] {
        !            30:     scan $char %c i
        !            31:     if {$i<=127} {
        !            32:       append out $char
        !            33:     } else {
        !            34:       append out [format {\x%.4x} $i]
        !            35:     }
        !            36:   }
        !            37:   set out
        !            38: }
        !            39: 
        !            40: #--------------------------------------------------------------------------
        !            41: # Test cases fts2token-1.* are the warm-body test for the SQL scalar
        !            42: # function fts2_tokenizer(). The procedure is as follows:
        !            43: #
        !            44: #   1: Verify that there is no such fts2 tokenizer as 'blah'.
        !            45: #
        !            46: #   2: Query for the built-in tokenizer 'simple'. Insert a copy of the
        !            47: #      retrieved value as tokenizer 'blah'.
        !            48: #
        !            49: #   3: Test that the value returned for tokenizer 'blah' is now the
        !            50: #      same as that retrieved for 'simple'.
        !            51: #
        !            52: #   4: Test that it is now possible to create an fts2 table using 
        !            53: #      tokenizer 'blah' (it was not possible in step 1).
        !            54: #
        !            55: #   5: Test that the table created to use tokenizer 'blah' is usable.
        !            56: #
        !            57: do_test fts2token-1.1 {
        !            58:   catchsql {
        !            59:     CREATE VIRTUAL TABLE t1 USING fts2(content, tokenize blah);
        !            60:   }
        !            61: } {1 {unknown tokenizer: blah}}
        !            62: do_test fts2token-1.2 {
        !            63:   execsql {
        !            64:     SELECT fts2_tokenizer('blah', fts2_tokenizer('simple')) IS NULL;
        !            65:   }
        !            66: } {0}
        !            67: do_test fts2token-1.3 {
        !            68:   execsql {
        !            69:     SELECT fts2_tokenizer('blah') == fts2_tokenizer('simple');
        !            70:   }
        !            71: } {1}
        !            72: do_test fts2token-1.4 {
        !            73:   catchsql {
        !            74:     CREATE VIRTUAL TABLE t1 USING fts2(content, tokenize blah);
        !            75:   }
        !            76: } {0 {}}
        !            77: do_test fts2token-1.5 {
        !            78:   execsql {
        !            79:     INSERT INTO t1(content) VALUES('There was movement at the station');
        !            80:     INSERT INTO t1(content) VALUES('For the word has passed around');
        !            81:     INSERT INTO t1(content) VALUES('That the colt from ol regret had got away');
        !            82:     SELECT content FROM t1 WHERE content MATCH 'movement'
        !            83:   }
        !            84: } {{There was movement at the station}}
        !            85: 
        !            86: #--------------------------------------------------------------------------
        !            87: # Test cases fts2token-2.* test error cases in the scalar function based
        !            88: # API for getting and setting tokenizers.
        !            89: #
        !            90: do_test fts2token-2.1 {
        !            91:   catchsql {
        !            92:     SELECT fts2_tokenizer('nosuchtokenizer');
        !            93:   }
        !            94: } {1 {unknown tokenizer: nosuchtokenizer}}
        !            95: 
        !            96: #--------------------------------------------------------------------------
        !            97: # Test cases fts2token-3.* test the three built-in tokenizers with a
        !            98: # simple input string via the built-in test function. This is as much
        !            99: # to test the test function as the tokenizer implementations.
        !           100: #
        !           101: do_test fts2token-3.1 {
        !           102:   execsql {
        !           103:     SELECT fts2_tokenizer_test('simple', 'I don''t see how');
        !           104:   }
        !           105: } {{0 i I 1 don don 2 t t 3 see see 4 how how}}
        !           106: do_test fts2token-3.2 {
        !           107:   execsql {
        !           108:     SELECT fts2_tokenizer_test('porter', 'I don''t see how');
        !           109:   }
        !           110: } {{0 i I 1 don don 2 t t 3 see see 4 how how}}
        !           111: ifcapable icu {
        !           112:   do_test fts2token-3.3 {
        !           113:     execsql {
        !           114:       SELECT fts2_tokenizer_test('icu', 'I don''t see how');
        !           115:     }
        !           116:   } {{0 i I 1 don't don't 2 see see 3 how how}}
        !           117: }
        !           118: 
        !           119: #--------------------------------------------------------------------------
        !           120: # Test cases fts2token-4.* test the ICU tokenizer. In practice, this
        !           121: # tokenizer only has two modes - "thai" and "everybody else". Some other
        !           122: # Asian languages (Lao, Khmer etc.) require the same special treatment as 
        !           123: # Thai, but ICU doesn't support them yet.
        !           124: #
        !           125: ifcapable icu {
        !           126: 
        !           127:   proc do_icu_test {name locale input output} {
        !           128:     set ::out [db eval { SELECT fts2_tokenizer_test('icu', $locale, $input) }]
        !           129:     do_test $name {
        !           130:       lindex $::out 0
        !           131:     } $output
        !           132:   }
        !           133:   
        !           134:   do_icu_test fts2token-4.1 en_US  {}   {}
        !           135:   do_icu_test fts2token-4.2 en_US {Test cases fts2} [list \
        !           136:     0 test Test 1 cases cases 2 fts2 fts2
        !           137:   ]
        !           138: 
        !           139:   # The following test shows that ICU is smart enough to recognise
        !           140:   # Thai chararacters, even when the locale is set to English/United 
        !           141:   # States.
        !           142:   #
        !           143:   set input "\u0e2d\u0e30\u0e44\u0e23\u0e19\u0e30\u0e04\u0e23\u0e31\u0e1a"
        !           144:   set output    "0 \u0e2d\u0e30\u0e44\u0e23 \u0e2d\u0e30\u0e44\u0e23 "
        !           145:   append output "1 \u0e19\u0e30 \u0e19\u0e30 "
        !           146:   append output "2 \u0e04\u0e23\u0e31\u0e1a \u0e04\u0e23\u0e31\u0e1a"
        !           147: 
        !           148:   do_icu_test fts2token-4.3 th_TH  $input $output
        !           149:   do_icu_test fts2token-4.4 en_US  $input $output
        !           150: 
        !           151:   # ICU handles an unknown locale by falling back to the default.
        !           152:   # So this is not an error.
        !           153:   do_icu_test fts2token-4.5 MiddleOfTheOcean  $input $output
        !           154: 
        !           155:   set    longtoken "AReallyReallyLongTokenOneThatWillSurelyRequire"
        !           156:   append longtoken "AReallocInTheIcuTokenizerCode"
        !           157: 
        !           158:   set    input "short tokens then "
        !           159:   append input $longtoken
        !           160:   set    output "0 short short "
        !           161:   append output "1 tokens tokens "
        !           162:   append output "2 then then "
        !           163:   append output "3 [string tolower $longtoken] $longtoken"
        !           164: 
        !           165:   do_icu_test fts2token-4.6 MiddleOfTheOcean  $input $output
        !           166:   do_icu_test fts2token-4.7 th_TH  $input $output
        !           167:   do_icu_test fts2token-4.8 en_US  $input $output
        !           168: }
        !           169: 
        !           170: do_test fts2token-internal {
        !           171:   execsql { SELECT fts2_tokenizer_internal_test() }
        !           172: } {ok}
        !           173: 
        !           174: finish_test

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