1 # 2011 January 27 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 12 # focus of this script is testing the FTS3 module. 13 # 14 15 set testdir [file dirname $argv0] 16 source $testdir/tester.tcl 17 ifcapable !fts3 { finish_test ; return } 18 set ::testprefix fts3comp1 19 20 # Create a pretend compression system. 21 # 22 # Each time the [zip] function is called, an entry is added to the ::strings 23 # array mapping from an integer key to the string argument to zip. The key 24 # is returned. Later on, when the key is passed to [unzip], the original 25 # string is retrieved from the ::strings array and returned. 26 # 27 set next_x 0 28 proc zip {x} { 29 incr ::next_x 30 set ::strings($::next_x) $x 31 return $::next_x 32 } 33 proc unzip {x} { 34 return $::strings($x) 35 } 36 37 foreach {tn zip unzip} { 38 1 zip unzip 39 2 {z.i.p!!} {un "zip"} 40 } { 41 42 set next_x 0 43 catch {db close} 44 forcedelete test.db 45 sqlite3 db test.db 46 db func $zip zip 47 db func $unzip unzip 48 49 # Create a table that uses zip/unzip. Check that content inserted into 50 # the table can be read back (using a full-scan query). Check that the 51 # underlying %_content table contains the compressed (integer) values. 52 # 53 do_execsql_test 1.$tn.0 " 54 CREATE VIRTUAL TABLE t1 USING fts4( 55 a, b, 56 compress='$zip', uncompress='$unzip' 57 ); 58 " 59 do_execsql_test 1.$tn.1 { 60 INSERT INTO t1 VALUES('one two three', 'two four six'); 61 SELECT a, b FROM t1; 62 } {{one two three} {two four six}} 63 do_execsql_test 1.$tn.2 { 64 SELECT c0a, c1b FROM t1_content; 65 } {1 2} 66 67 # Insert another row and check that it can be read back. Also that the 68 # %_content table still contains all compressed content. This time, try 69 # full-text index and by-docid queries too. 70 # 71 do_execsql_test 1.$tn.3 { 72 INSERT INTO t1 VALUES('three six nine', 'four eight twelve'); 73 SELECT a, b FROM t1; 74 } {{one two three} {two four six} {three six nine} {four eight twelve}} 75 do_execsql_test 1.$tn.4 { 76 SELECT c0a, c1b FROM t1_content; 77 } {1 2 3 4} 78 79 do_execsql_test 1.$tn.5 { 80 SELECT a, b FROM t1 WHERE docid = 2 81 } {{three six nine} {four eight twelve}} 82 do_execsql_test 1.$tn.6 { 83 SELECT a, b FROM t1 WHERE t1 MATCH 'two' 84 } {{one two three} {two four six}} 85 86 # Delete a row and check that the full-text index is correctly updated. 87 # Inspect the full-text index using an fts4aux table. 88 # 89 do_execsql_test 1.$tn.7 { 90 CREATE VIRTUAL TABLE terms USING fts4aux(t1); 91 SELECT term, documents, occurrences FROM terms WHERE col = '*'; 92 } { 93 eight 1 1 four 2 2 nine 1 1 one 1 1 94 six 2 2 three 2 2 twelve 1 1 two 1 2 95 } 96 do_execsql_test 1.$tn.8 { 97 DELETE FROM t1 WHERE docid = 1; 98 SELECT term, documents, occurrences FROM terms WHERE col = '*'; 99 } { 100 eight 1 1 four 1 1 nine 1 1 101 six 1 1 three 1 1 twelve 1 1 102 } 103 do_execsql_test 1.$tn.9 { SELECT c0a, c1b FROM t1_content } {3 4} 104 } 105 106 # Test that is an error to specify just one of compress and uncompress. 107 # 108 do_catchsql_test 2.1 { 109 CREATE VIRTUAL TABLE t2 USING fts4(x, compress=zip) 110 } {1 {missing uncompress parameter in fts4 constructor}} 111 do_catchsql_test 2.2 { 112 CREATE VIRTUAL TABLE t2 USING fts4(x, uncompress=unzip) 113 } {1 {missing compress parameter in fts4 constructor}} 114 115 finish_test 116