| # 2011 January 27 |
| # |
| # 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. |
| # |
| #************************************************************************* |
| # This file implements regression tests for SQLite library. The |
| # focus of this script is testing the FTS3 module. |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| ifcapable !fts3 { finish_test ; return } |
| set ::testprefix fts3comp1 |
| |
| # Create a pretend compression system. |
| # |
| # Each time the [zip] function is called, an entry is added to the ::strings |
| # array mapping from an integer key to the string argument to zip. The key |
| # is returned. Later on, when the key is passed to [unzip], the original |
| # string is retrieved from the ::strings array and returned. |
| # |
| set next_x 0 |
| proc zip {x} { |
| incr ::next_x |
| set ::strings($::next_x) $x |
| return $::next_x |
| } |
| proc unzip {x} { |
| return $::strings($x) |
| } |
| |
| foreach {tn zip unzip} { |
| 1 zip unzip |
| 2 {z.i.p!!} {un "zip"} |
| } { |
| |
| set next_x 0 |
| catch {db close} |
| forcedelete test.db |
| sqlite3 db test.db |
| db func $zip zip |
| db func $unzip unzip |
| |
| # Create a table that uses zip/unzip. Check that content inserted into |
| # the table can be read back (using a full-scan query). Check that the |
| # underlying %_content table contains the compressed (integer) values. |
| # |
| do_execsql_test 1.$tn.0 " |
| CREATE VIRTUAL TABLE t1 USING fts4( |
| a, b, |
| compress='$zip', uncompress='$unzip' |
| ); |
| " |
| do_execsql_test 1.$tn.1 { |
| INSERT INTO t1 VALUES('one two three', 'two four six'); |
| SELECT a, b FROM t1; |
| } {{one two three} {two four six}} |
| do_execsql_test 1.$tn.2 { |
| SELECT c0a, c1b FROM t1_content; |
| } {1 2} |
| |
| # Insert another row and check that it can be read back. Also that the |
| # %_content table still contains all compressed content. This time, try |
| # full-text index and by-docid queries too. |
| # |
| do_execsql_test 1.$tn.3 { |
| INSERT INTO t1 VALUES('three six nine', 'four eight twelve'); |
| SELECT a, b FROM t1; |
| } {{one two three} {two four six} {three six nine} {four eight twelve}} |
| do_execsql_test 1.$tn.4 { |
| SELECT c0a, c1b FROM t1_content; |
| } {1 2 3 4} |
| |
| do_execsql_test 1.$tn.5 { |
| SELECT a, b FROM t1 WHERE docid = 2 |
| } {{three six nine} {four eight twelve}} |
| do_execsql_test 1.$tn.6 { |
| SELECT a, b FROM t1 WHERE t1 MATCH 'two' |
| } {{one two three} {two four six}} |
| |
| # Delete a row and check that the full-text index is correctly updated. |
| # Inspect the full-text index using an fts4aux table. |
| # |
| do_execsql_test 1.$tn.7 { |
| CREATE VIRTUAL TABLE terms USING fts4aux(t1); |
| SELECT term, documents, occurrences FROM terms WHERE col = '*'; |
| } { |
| eight 1 1 four 2 2 nine 1 1 one 1 1 |
| six 2 2 three 2 2 twelve 1 1 two 1 2 |
| } |
| do_execsql_test 1.$tn.8 { |
| DELETE FROM t1 WHERE docid = 1; |
| SELECT term, documents, occurrences FROM terms WHERE col = '*'; |
| } { |
| eight 1 1 four 1 1 nine 1 1 |
| six 1 1 three 1 1 twelve 1 1 |
| } |
| do_execsql_test 1.$tn.9 { SELECT c0a, c1b FROM t1_content } {3 4} |
| } |
| |
| # Test that is an error to specify just one of compress and uncompress. |
| # |
| do_catchsql_test 2.1 { |
| CREATE VIRTUAL TABLE t2 USING fts4(x, compress=zip) |
| } {1 {missing uncompress parameter in fts4 constructor}} |
| do_catchsql_test 2.2 { |
| CREATE VIRTUAL TABLE t2 USING fts4(x, uncompress=unzip) |
| } {1 {missing compress parameter in fts4 constructor}} |
| |
| finish_test |