432 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			432 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2001 September 15
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| #
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| # The author disclaims copyright to this source code.  In place of
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| # a legal notice, here is a blessing:
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| #
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| #    May you do good and not evil.
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| #    May you find forgiveness for yourself and forgive others.
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| #    May you share freely, never taking more than you give.
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| #
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| #***********************************************************************
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| # This file implements regression tests for SQLite library.  The
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| # focus of this script is in-memory database backend.
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| #
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| # $Id: memdb.test,v 1.19 2009/05/18 16:04:38 danielk1977 Exp $
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| 
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| 
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| set testdir [file dirname $argv0]
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| source $testdir/tester.tcl
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| 
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| ifcapable memorydb {
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| 
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| # In the following sequence of tests, compute the MD5 sum of the content
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| # of a table, make lots of modifications to that table, then do a rollback.
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| # Verify that after the rollback, the MD5 checksum is unchanged.
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| #
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| # These tests were browed from trans.tcl.
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| #
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| do_test memdb-1.1 {
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|   db close
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|   sqlite3 db :memory:
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|   # sqlite3 db test.db
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|   execsql {
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|     BEGIN;
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|     CREATE TABLE t3(x TEXT);
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|     INSERT INTO t3 VALUES(randstr(10,400));
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|     INSERT INTO t3 VALUES(randstr(10,400));
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|     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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|     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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|     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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|     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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|     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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|     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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|     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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|     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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|     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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|     COMMIT;
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|     SELECT count(*) FROM t3;
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|   }
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| } {1024}
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| 
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| # The following procedure computes a "signature" for table "t3".  If
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| # T3 changes in any way, the signature should change.  
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| #
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| # This is used to test ROLLBACK.  We gather a signature for t3, then
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| # make lots of changes to t3, then rollback and take another signature.
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| # The two signatures should be the same.
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| #
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| proc signature {{fn {}}} {
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|   set rx [db eval {SELECT x FROM t3}]
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|   # set r1 [md5 $rx\n]
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|   if {$fn!=""} {
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|     # set fd [open $fn w]
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|     # puts $fd $rx
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|     # close $fd
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|   }
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|   # set r [db eval {SELECT count(*), md5sum(x) FROM t3}]
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|   # puts "SIG($fn)=$r1"
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|   return [list [string length $rx] $rx]
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| }
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| 
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| # Do rollbacks.  Make sure the signature does not change.
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| #
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| set limit 10
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| for {set i 2} {$i<=$limit} {incr i} {
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|   set ::sig [signature one]
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|   # puts "sig=$sig"
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|   set cnt [lindex $::sig 0]
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|   if {$i%2==0} {
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|     execsql {PRAGMA synchronous=FULL}
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|   } else {
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|     execsql {PRAGMA synchronous=NORMAL}
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|   }
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|   do_test memdb-1.$i.1-$cnt {
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|      execsql {
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|        BEGIN;
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|        DELETE FROM t3 WHERE random()%10!=0;
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|        INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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|        INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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|        ROLLBACK;
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|      }
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|      set sig2 [signature two]
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|   } $sig
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|   # puts "sig2=$sig2"
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|   # if {$sig2!=$sig} exit
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|   do_test memdb-1.$i.2-$cnt {
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|      execsql {
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|        BEGIN;
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|        DELETE FROM t3 WHERE random()%10!=0;
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|        INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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|        DELETE FROM t3 WHERE random()%10!=0;
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|        INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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|        ROLLBACK;
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|      }
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|      signature
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|   } $sig
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|   if {$i<$limit} {
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|     do_test memdb-1.$i.9-$cnt {
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|        execsql {
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|          INSERT INTO t3 SELECT randstr(10,400) FROM t3 WHERE random()%10==0;
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|        }
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|     } {}
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|   }
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|   set ::pager_old_format 0
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| }
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| 
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| integrity_check memdb-2.1
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| 
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| do_test memdb-3.1 {
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|   execsql {
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|     CREATE TABLE t4(a,b,c,d);
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|     BEGIN;
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|     INSERT INTO t4 VALUES(1,2,3,4);
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|     SELECT * FROM t4;
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|   }
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| } {1 2 3 4}
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| do_test memdb-3.2 {
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|   execsql {
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|     SELECT name FROM sqlite_master WHERE type='table';
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|   }
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| } {t3 t4}
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| do_test memdb-3.3 {
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|   execsql {
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|     DROP TABLE t4;
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|     SELECT name FROM sqlite_master WHERE type='table';
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|   }
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| } {t3}
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| do_test memdb-3.4 {
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|   execsql {
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|     ROLLBACK;
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|     SELECT name FROM sqlite_master WHERE type='table';
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|   }
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| } {t3 t4}
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| 
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| # Create tables for the first group of tests.
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| #
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| do_test memdb-4.0 {
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|   execsql {
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|     CREATE TABLE t1(a, b, c, UNIQUE(a,b));
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|     CREATE TABLE t2(x);
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|     SELECT c FROM t1 ORDER BY c;
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|   }
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| } {}
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| 
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| # Six columns of configuration data as follows:
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| #
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| #   i      The reference number of the test
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| #   conf   The conflict resolution algorithm on the BEGIN statement
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| #   cmd    An INSERT or REPLACE command to execute against table t1
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| #   t0     True if there is an error from $cmd
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| #   t1     Content of "c" column of t1 assuming no error in $cmd
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| #   t2     Content of "x" column of t2
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| #
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| foreach {i conf cmd t0 t1 t2} {
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|   1 {}       INSERT                  1 {}  1
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|   2 {}       {INSERT OR IGNORE}      0 3   1
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|   3 {}       {INSERT OR REPLACE}     0 4   1
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|   4 {}       REPLACE                 0 4   1
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|   5 {}       {INSERT OR FAIL}        1 {}  1
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|   6 {}       {INSERT OR ABORT}       1 {}  1
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|   7 {}       {INSERT OR ROLLBACK}    1 {}  {}
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| } {
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| 
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|   # All tests after test 1 depend on conflict resolution. So end the
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|   # loop if that is not available in this build.
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|   ifcapable !conflict {if {$i>1} break}
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| 
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|   do_test memdb-4.$i {
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|     if {$conf!=""} {set conf "ON CONFLICT $conf"}
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|     set r0 [catch {execsql [subst {
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|       DELETE FROM t1;
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|       DELETE FROM t2;
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|       INSERT INTO t1 VALUES(1,2,3);
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|       BEGIN $conf;
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|       INSERT INTO t2 VALUES(1); 
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|       $cmd INTO t1 VALUES(1,2,4);
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|     }]} r1]
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|     catch {execsql {COMMIT}}
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|     if {$r0} {set r1 {}} {set r1 [execsql {SELECT c FROM t1}]}
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|     set r2 [execsql {SELECT x FROM t2}]
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|     list $r0 $r1 $r2
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|   } [list $t0 $t1 $t2]
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| }
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| 
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| do_test memdb-5.0 {
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|   execsql {
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|     DROP TABLE t2;
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|     DROP TABLE t3;
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|     CREATE TABLE t2(a,b,c);
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|     INSERT INTO t2 VALUES(1,2,1);
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|     INSERT INTO t2 VALUES(2,3,2);
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|     INSERT INTO t2 VALUES(3,4,1);
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|     INSERT INTO t2 VALUES(4,5,4);
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|     SELECT c FROM t2 ORDER BY b;
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|     CREATE TABLE t3(x);
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|     INSERT INTO t3 VALUES(1);
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|   }
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| } {1 2 1 4}
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| 
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| # Six columns of configuration data as follows:
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| #
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| #   i      The reference number of the test
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| #   conf1  The conflict resolution algorithm on the UNIQUE constraint
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| #   conf2  The conflict resolution algorithm on the BEGIN statement
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| #   cmd    An UPDATE command to execute against table t1
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| #   t0     True if there is an error from $cmd
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| #   t1     Content of "b" column of t1 assuming no error in $cmd
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| #   t2     Content of "x" column of t3
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| #
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| foreach {i conf1 conf2 cmd t0 t1 t2} {
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|   1 {}       {}       UPDATE                  1 {6 7 8 9}  1
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|   2 REPLACE  {}       UPDATE                  0 {7 6 9}    1
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|   3 IGNORE   {}       UPDATE                  0 {6 7 3 9}  1
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|   4 FAIL     {}       UPDATE                  1 {6 7 3 4}  1
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|   5 ABORT    {}       UPDATE                  1 {1 2 3 4}  1
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|   6 ROLLBACK {}       UPDATE                  1 {1 2 3 4}  0
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|   7 REPLACE  {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
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|   8 IGNORE   {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
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|   9 FAIL     {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
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|  10 ABORT    {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
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|  11 ROLLBACK {}       {UPDATE OR IGNORE}      0 {6 7 3 9}   1
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|  12 {}       {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
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|  13 {}       {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
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|  14 {}       {}       {UPDATE OR FAIL}        1 {6 7 3 4}  1
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|  15 {}       {}       {UPDATE OR ABORT}       1 {1 2 3 4}  1
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|  16 {}       {}       {UPDATE OR ROLLBACK}    1 {1 2 3 4}  0
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| } {
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|   # All tests after test 1 depend on conflict resolution. So end the
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|   # loop if that is not available in this build.
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|   ifcapable !conflict {
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|     if {$i>1} break
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|   }
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| 
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|   if {$t0} {set t1 {UNIQUE constraint failed: t1.a}}
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|   do_test memdb-5.$i {
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|     if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"}
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|     if {$conf2!=""} {set conf2 "ON CONFLICT $conf2"}
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|     set r0 [catch {execsql "
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|       DROP TABLE t1;
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|       CREATE TABLE t1(a,b,c, UNIQUE(a) $conf1);
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|       INSERT INTO t1 SELECT * FROM t2;
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|       UPDATE t3 SET x=0;
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|       BEGIN $conf2;
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|       $cmd t3 SET x=1;
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|       $cmd t1 SET b=b*2;
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|       $cmd t1 SET a=c+5;
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|     "} r1]
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|     catch {execsql {COMMIT}}
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|     if {!$r0} {set r1 [execsql {SELECT a FROM t1 ORDER BY b}]}
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|     set r2 [execsql {SELECT x FROM t3}]
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|     list $r0 $r1 $r2
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|   } [list $t0 $t1 $t2]
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| }
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| 
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| do_test memdb-6.1 {
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|   execsql {
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|     SELECT * FROM t2;
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|   }
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| } {1 2 1 2 3 2 3 4 1 4 5 4}
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| do_test memdb-6.2 {
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|   execsql {
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|     BEGIN;
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|     DROP TABLE t2;
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|     SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
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|   }
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| } {t1 t3 t4}
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| do_test memdb-6.3 {
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|   execsql {
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|     ROLLBACK;
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|     SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
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|   }
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| } {t1 t2 t3 t4}
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| do_test memdb-6.4 {
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|   execsql {
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|     SELECT * FROM t2;
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|   }
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| } {1 2 1 2 3 2 3 4 1 4 5 4}
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| ifcapable compound {
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| do_test memdb-6.5 {
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|   execsql {
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|     SELECT a FROM t2 UNION SELECT b FROM t2 ORDER BY 1;
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|   }
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| } {1 2 3 4 5}
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| } ;# ifcapable compound 
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| do_test memdb-6.6 {
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|   execsql {
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|     CREATE INDEX i2 ON t2(c);
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|     SELECT a FROM t2 ORDER BY c;
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|   }
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| } {1 3 2 4}
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| do_test memdb-6.6 {
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|   execsql {
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|     SELECT a FROM t2 ORDER BY c DESC;
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|   }
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| } {4 2 3 1}
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| do_test memdb-6.7 {
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|   execsql {
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|     BEGIN;
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|     CREATE TABLE t5(x,y);
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|     INSERT INTO t5 VALUES(1,2);
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|     SELECT * FROM t5;
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|   }
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| } {1 2}
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| do_test memdb-6.8 {
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|   execsql {
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|     SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
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|   }
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| } {t1 t2 t3 t4 t5}
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| do_test memdb-6.9 {
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|   execsql {
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|     ROLLBACK;
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|     SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
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|   }
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| } {t1 t2 t3 t4}
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| do_test memdb-6.10 {
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|   execsql {
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|     CREATE TABLE t5(x PRIMARY KEY, y UNIQUE);
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|     SELECT * FROM t5;
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|   }
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| } {}
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| do_test memdb-6.11 {
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|   execsql {
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|     SELECT * FROM t5 ORDER BY y DESC;
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|   }
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| } {}
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| 
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| ifcapable conflict {
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|   do_test memdb-6.12 {
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|     execsql {
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|       INSERT INTO t5 VALUES(1,2);
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|       INSERT INTO t5 VALUES(3,4);
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|       REPLACE INTO t5 VALUES(1,4);
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|       SELECT rowid,* FROM t5;
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|     }
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|   } {3 1 4}
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|   do_test memdb-6.13 {
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|     execsql {
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|       DELETE FROM t5 WHERE x>5;
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|       SELECT * FROM t5;
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|     }
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|   } {1 4}
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|   do_test memdb-6.14 {
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|     execsql {
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|       DELETE FROM t5 WHERE y<3;
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|       SELECT * FROM t5;
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|     }
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|   } {1 4}
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| }
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| 
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| do_test memdb-6.15 {
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|   execsql {
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|     DELETE FROM t5 WHERE x>0;
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|     SELECT * FROM t5;
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|   }
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| } {}
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| 
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| ifcapable subquery&&vtab {
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|   do_test memdb-7.1 {
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|     load_static_extension db wholenumber
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|     execsql {
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|       CREATE TABLE t6(x);
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|       CREATE VIRTUAL TABLE nums USING wholenumber;
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|       INSERT INTO t6 SELECT value FROM nums WHERE value BETWEEN 1 AND 256;
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|       SELECT count(*) FROM (SELECT DISTINCT x FROM t6);
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|     }
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|   } {256}
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|   for {set i 1} {$i<=256} {incr i} {
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|     do_test memdb-7.2.$i {
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|        execsql "DELETE FROM t6 WHERE x=\
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|                 (SELECT x FROM t6 ORDER BY random() LIMIT 1)"
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|        execsql {SELECT count(*) FROM t6}
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|     } [expr {256-$i}]
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|   }
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| }
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| 
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| # Ticket #1524
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| #
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| do_test memdb-8.1 {
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|   db close
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|   sqlite3 db {:memory:}
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|   execsql {
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|     PRAGMA auto_vacuum=TRUE;
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|     CREATE TABLE t1(a);
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|     INSERT INTO t1 VALUES(randstr(5000,6000));
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|     INSERT INTO t1 VALUES(randstr(5000,6000));
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|     INSERT INTO t1 VALUES(randstr(5000,6000));
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|     INSERT INTO t1 VALUES(randstr(5000,6000));
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|     INSERT INTO t1 VALUES(randstr(5000,6000));
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|     SELECT count(*) FROM t1;
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|   }
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| } 5
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| do_test memdb-8.2 {
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|   execsql {
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|     DELETE FROM t1;
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|     SELECT count(*) FROM t1;
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|   }
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| } 0
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| 
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| # Test that auto-vacuum works with in-memory databases.
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| # 
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| ifcapable autovacuum {
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|   do_test memdb-9.1 {
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|     db close
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|     sqlite3 db test.db
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|     db cache size 0
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|     execsql {
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|       PRAGMA auto_vacuum = full;
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|       CREATE TABLE t1(a);
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|       INSERT INTO t1 VALUES(randstr(1000,1000));
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|       INSERT INTO t1 VALUES(randstr(1000,1000));
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|       INSERT INTO t1 VALUES(randstr(1000,1000));
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|     }
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|     set before [db one {PRAGMA page_count}]
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|     execsql { DELETE FROM t1 }
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|     set after [db one {PRAGMA page_count}]
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|     expr {$before>$after}
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|   } {1}
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| }
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| 
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| } ;# ifcapable memorydb
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| 
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| finish_test
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