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Diffstat (limited to 'ext/session/sessionB.test')
| -rw-r--r-- | ext/session/sessionB.test | 507 |
1 files changed, 507 insertions, 0 deletions
diff --git a/ext/session/sessionB.test b/ext/session/sessionB.test new file mode 100644 index 0000000..2c103d5 --- /dev/null +++ b/ext/session/sessionB.test @@ -0,0 +1,507 @@ +# 2014 August 16 +# +# 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 sessions SQLite extension. +# Specifically, this file contains tests for "patchset" changes. +# + +if {![info exists testdir]} { + set testdir [file join [file dirname [info script]] .. .. test] +} +source [file join [file dirname [info script]] session_common.tcl] +source $testdir/tester.tcl +ifcapable !session {finish_test; return} + +set testprefix sessionB + +# +# 1.*: Test that the blobs returned by the session_patchset() API are +# as expected. Also the sqlite3_changeset_iter functions. +# +# 2.*: Test that patchset blobs are handled by sqlite3changeset_apply(). +# +# 3.*: Test that sqlite3changeset_invert() works with patchset blobs. +# Correct behaviour is to return SQLITE_CORRUPT. + +proc do_sql2patchset_test {tn sql res} { + sqlite3session S db main + S attach * + execsql $sql + uplevel [list do_patchset_test $tn S $res] + S delete +} + +#------------------------------------------------------------------------- +# Run simple tests of the _patchset() API. +# +do_execsql_test 1.0 { + CREATE TABLE t1(a, b, c, d, PRIMARY KEY(d, a)); + INSERT INTO t1 VALUES(1, 2, 3, 4); + INSERT INTO t1 VALUES(5, 6, 7, 8); + INSERT INTO t1 VALUES(9, 10, 11, 12); +} + +do_test 1.1 { + sqlite3session S db main + S attach t1 + execsql { + INSERT INTO t1 VALUES('w', 'x', 'y', 'z'); + DELETE FROM t1 WHERE d=4; + UPDATE t1 SET c = 14 WHERE a=5; + } +} {} + +do_patchset_test 1.2 S { + {UPDATE t1 0 X..X {i 5 {} {} {} {} i 8} {{} {} {} {} i 14 {} {}}} + {INSERT t1 0 X..X {} {t w t x t y t z}} + {DELETE t1 0 X..X {i 1 {} {} {} {} i 4} {}} +} + +do_test 1.3 { + S delete +} {} + +do_sql2patchset_test 1.4 { + DELETE FROM t1; +} { + {DELETE t1 0 X..X {i 5 {} {} {} {} i 8} {}} + {DELETE t1 0 X..X {t w {} {} {} {} t z} {}} + {DELETE t1 0 X..X {i 9 {} {} {} {} i 12} {}} +} + +do_sql2patchset_test 1.5 { + INSERT INTO t1 VALUES(X'61626364', NULL, NULL, 4.2); + INSERT INTO t1 VALUES(4.2, NULL, NULL, X'61626364'); +} { + {INSERT t1 0 X..X {} {f 4.2 n {} n {} b abcd}} + {INSERT t1 0 X..X {} {b abcd n {} n {} f 4.2}} +} + +do_sql2patchset_test 1.6 { + UPDATE t1 SET b=45 WHERE typeof(a)=='blob'; + UPDATE t1 SET c='zzzz' WHERE typeof(a)!='blob'; +} { + {UPDATE t1 0 X..X {f 4.2 {} {} {} {} b abcd} {{} {} {} {} t zzzz {} {}}} + {UPDATE t1 0 X..X {b abcd {} {} {} {} f 4.2} {{} {} i 45 {} {} {} {}}} +} + +do_sql2patchset_test 1.7 { + UPDATE t1 SET b='xyz' WHERE typeof(a)=='blob'; + UPDATE t1 SET c='xyz' WHERE typeof(a)!='blob'; + UPDATE t1 SET b=45 WHERE typeof(a)=='blob'; + UPDATE t1 SET c='zzzz' WHERE typeof(a)!='blob'; +} { +} + +do_sql2patchset_test 1.8 { + DELETE FROM t1; +} { + {DELETE t1 0 X..X {f 4.2 {} {} {} {} b abcd} {}} + {DELETE t1 0 X..X {b abcd {} {} {} {} f 4.2} {}} +} + +#------------------------------------------------------------------------- +# Run simple tests of _apply() with patchset objects. +# +reset_db + +proc noop {args} { error $args } +proc exec_rollback_replay {sql} { + sqlite3session S db main + S attach * + execsql BEGIN + execsql $sql + set patchset [S patchset] + S delete + execsql ROLLBACK + sqlite3changeset_apply db $patchset noop +} + +do_execsql_test 2.0 { + CREATE TABLE t2(a, b, c, d, PRIMARY KEY(b,c)); + CREATE TABLE t3(w, x, y, z, PRIMARY KEY(w)); +} + +do_test 2.1 { + exec_rollback_replay { + INSERT INTO t2 VALUES(1, 2, 3, 4); + INSERT INTO t2 VALUES('w', 'x', 'y', 'z'); + } + execsql { SELECT * FROM t2 } +} {1 2 3 4 w x y z} + +do_test 2.2 { + exec_rollback_replay { + DELETE FROM t2 WHERE a=1; + UPDATE t2 SET d = 'a'; + } + execsql { SELECT * FROM t2 } +} {w x y a} + +#------------------------------------------------------------------------- +# sqlite3changeset_invert() +# +reset_db + +do_execsql_test 3.1 { CREATE TABLE t1(x PRIMARY KEY, y) } +do_test 3.2 { + sqlite3session S db main + S attach * + execsql { INSERT INTO t1 VALUES(1, 2) } + set patchset [S patchset] + S delete + list [catch { sqlite3changeset_invert $patchset } msg] [set msg] +} {1 SQLITE_CORRUPT} + + +#------------------------------------------------------------------------- +# sqlite3changeset_concat() +# +reset_db + +proc do_patchconcat_test {tn args} { + set bRevert 0 + if {[lindex $args 0] == "-revert"} { + set bRevert 1 + set args [lrange $args 1 end] + } + set nSql [expr [llength $args]-1] + set res [lindex $args $nSql] + set patchlist [list] + + execsql BEGIN + if {$bRevert} { execsql { SAVEPOINT x } } + foreach sql [lrange $args 0 end-1] { + sqlite3session S db main + S attach * + execsql $sql + lappend patchlist [S patchset] + S delete + if {$bRevert} { execsql { ROLLBACK TO x } } + } + execsql ROLLBACK + + set patch [lindex $patchlist 0] + foreach p [lrange $patchlist 1 end] { + set patch [sqlite3changeset_concat $patch $p] + } + + set x [list] + sqlite3session_foreach c $patch { lappend x $c } + + uplevel [list do_test $tn [list set {} $x] [list {*}$res]] +} + +do_execsql_test 4.1.1 { + CREATE TABLE t1(x PRIMARY KEY, y, z); +} +do_patchconcat_test 4.1.2 { + INSERT INTO t1 VALUES(1, 2, 3); +} { + INSERT INTO t1 VALUES(4, 5, 6); +} { + {INSERT t1 0 X.. {} {i 1 i 2 i 3}} + {INSERT t1 0 X.. {} {i 4 i 5 i 6}} +} + +do_execsql_test 4.2.1 { + INSERT INTO t1 VALUES(1, 2, 3); + INSERT INTO t1 VALUES(4, 5, 6); +} + +do_patchconcat_test 4.2.2 { + UPDATE t1 SET z = 'abc' WHERE x=1 +} { + UPDATE t1 SET z = 'def' WHERE x=4 +} { + {UPDATE t1 0 X.. {i 1 {} {} {} {}} {{} {} {} {} t abc}} + {UPDATE t1 0 X.. {i 4 {} {} {} {}} {{} {} {} {} t def}} +} + +do_patchconcat_test 4.2.3 { + DELETE FROM t1 WHERE x=1; +} { + DELETE FROM t1 WHERE x=4; +} { + {DELETE t1 0 X.. {i 1 {} {} {} {}} {}} + {DELETE t1 0 X.. {i 4 {} {} {} {}} {}} +} + + +do_execsql_test 4.3.1 { + CREATE TABLE t2(a, b, c, d, PRIMARY KEY(c, b)); + INSERT INTO t2 VALUES('.', 1, 1, '.'); + INSERT INTO t2 VALUES('.', 1, 2, '.'); + INSERT INTO t2 VALUES('.', 2, 1, '.'); + INSERT INTO t2 VALUES('.', 2, 2, '.'); +} + +# INSERT + INSERT +do_patchconcat_test 4.3.2 -revert { + INSERT INTO t2 VALUES('a', 'a', 'a', 'a'); +} { + INSERT INTO t2 VALUES('b', 'a', 'a', 'b'); +} { + {INSERT t2 0 .XX. {} {t a t a t a t a}} +} + +# INSERT + DELETE +do_patchconcat_test 4.3.3 { + INSERT INTO t2 VALUES('a', 'a', 'a', 'a'); +} { + DELETE FROM t2 WHERE c = 'a'; +} {} + +# INSERT + UPDATE +do_patchconcat_test 4.3.4 { + INSERT INTO t2 VALUES('a', 'a', 'a', 'a'); +} { + UPDATE t2 SET d = 'b' WHERE c='a'; +} { + {INSERT t2 0 .XX. {} {t a t a t a t b}} +} + +# UPDATE + UPDATE +do_patchconcat_test 4.3.5 { + UPDATE t2 SET a = 'a' WHERE c=1 AND b=2; +} { + UPDATE t2 SET d = 'd' WHERE c=1 AND b=2; +} { + {UPDATE t2 0 .XX. {{} {} i 2 i 1 {} {}} {t a {} {} {} {} t d}} +} + +# UPDATE + DELETE +do_patchconcat_test 4.3.6 { + UPDATE t2 SET a = 'a' WHERE c=1 AND b=2; +} { + DELETE FROM t2 WHERE c=1 AND b=2; +} { + {DELETE t2 0 .XX. {{} {} i 2 i 1 {} {}} {}} +} + +# DELETE + INSERT +do_patchconcat_test 4.3.7 { + DELETE FROM t2 WHERE b=1; +} { + INSERT INTO t2 VALUES('x', 1, 2, '.'); +} { + {DELETE t2 0 .XX. {{} {} i 1 i 1 {} {}} {}} + {UPDATE t2 0 .XX. {{} {} i 1 i 2 {} {}} {t x {} {} {} {} t .}} +} + +# DELETE + UPDATE +do_patchconcat_test 4.3.8 -revert { + DELETE FROM t2 WHERE b=1 AND c=2; +} { + UPDATE t2 SET a=5 WHERE b=1 AND c=2; +} { + {DELETE t2 0 .XX. {{} {} i 1 i 2 {} {}} {}} +} + +# DELETE + UPDATE +do_patchconcat_test 4.3.9 -revert { + DELETE FROM t2 WHERE b=1 AND c=2; +} { + DELETE FROM t2 WHERE b=1; +} { + {DELETE t2 0 .XX. {{} {} i 1 i 1 {} {}} {}} + {DELETE t2 0 .XX. {{} {} i 1 i 2 {} {}} {}} +} + +#------------------------------------------------------------------------- +# More rigorous testing of the _patchset(), _apply and _concat() APIs. +# +# The inputs to each test are a populate database and a list of DML +# statements. This test determines that the final database is the same +# if: +# +# 1) the statements are executed directly on the database. +# +# 2) a single patchset is collected while executing the statements and +# then applied to a copy of the original database file. +# +# 3) individual patchsets are collected for statement while executing +# them and concatenated together before being applied to a copy of +# the original database. The concatenation is done in a couple of +# different ways - linear, pairwise etc. +# +# All tests, as it happens, are run with both changesets and patchsets. +# But the focus is on patchset capabilities. +# + +# Return a checksum of the contents of the database file. Implicit IPK +# columns are not included in the checksum - just modifying rowids does +# not change the database checksum. +# +proc databasecksum {db} { + set alltab [$db eval {SELECT name FROM sqlite_master WHERE type='table'}] + foreach tab $alltab { + $db eval "SELECT * FROM $tab LIMIT 1" res { } + set slist [list] + foreach col [lsort $res(*)] { + lappend slist "quote($col)" + } + set sql "SELECT [join $slist ,] FROM $tab" + append txt "[lsort [$db eval $sql]]\n" + } + return [md5 $txt] +} + +proc do_patchset_test {tn tstcmd lSql} { + if {$tstcmd != "patchset" && $tstcmd != "changeset"} { + error "have $tstcmd: must be patchset or changeset" + } + + foreach fname {test.db2 test.db3 test.db4 test.db5} { + forcedelete $fname + forcecopy test.db $fname + } + + # Execute the SQL statements on [db]. Collect a patchset for each + # individual statement, as well as a single patchset for the entire + # operation. + sqlite3session S db main + S attach * + foreach sql $lSql { + sqlite3session T db main + T attach * + db eval $sql + lappend lPatch [T $tstcmd] + T delete + } + set patchset [S $tstcmd] + S delete + + # Calculate a checksum for the final database. + set cksum [databasecksum db] + + # 1. Apply the single large patchset to test.db2 + sqlite3 db2 test.db2 + sqlite3changeset_apply db2 $patchset noop + uplevel [list do_test $tn.1 { databasecksum db2 } $cksum ] + db2 close + + # 2. Apply each of the single-statement patchsets to test.db3 + sqlite3 db2 test.db3 + foreach p $lPatch { + sqlite3changeset_apply db2 $p noop + } + uplevel [list do_test $tn.2 { databasecksum db2 } $cksum ] + db2 close + + # 3. Concatenate all single-statement patchsets into a single large + # patchset, then apply it to test.db4. + # + sqlite3 db2 test.db4 + set big "" + foreach p $lPatch { + set big [sqlite3changeset_concat $big $p] + } + sqlite3changeset_apply db2 $big noop + uplevel [list do_test $tn.3 { databasecksum db2 } $cksum ] + db2 close + + # 4. Concatenate all single-statement patchsets pairwise into a single + # large patchset, then apply it to test.db5. Pairwise concatenation: + # + # a b c d e f g h i j k + # -> {a b} {c d} {e f} {g h} {i j} k + # -> {a b c d} {e f g h} {i j k} + # -> {a b c d e f g h} {i j k} + # -> {a b c d e f g h i j k} + # -> APPLY! + # + sqlite3 db2 test.db5 + set L $lPatch + while {[llength $L] > 1} { + set O [list] + for {set i 0} {$i < [llength $L]} {incr i 2} { + if {$i==[llength $L]-1} { + lappend O [lindex $L $i] + } else { + set i1 [expr $i+1] + lappend O [sqlite3changeset_concat [lindex $L $i] [lindex $L $i1]] + } + } + set L $O + } + sqlite3changeset_apply db2 [lindex $L 0] noop + uplevel [list do_test $tn.4 { databasecksum db2 } $cksum ] + db2 close +} + +proc do_patchset_changeset_test {tn initsql args} { + foreach tstcmd {patchset changeset} { + reset_db + execsql $initsql + set x 0 + foreach sql $args { + incr x + set lSql [split $sql ";"] + uplevel [list do_patchset_test $tn.$tstcmd.$x $tstcmd $lSql] + } + } +} + +do_patchset_changeset_test 5.1 { + CREATE TABLE t1(a PRIMARY KEY, b, c); + INSERT INTO t1 VALUES(1, 2, 3); +} { + INSERT INTO t1 VALUES(4, 5, 6); + DELETE FROM t1 WHERE a=1; +} { + INSERT INTO t1 VALUES(7, 8, 9); + UPDATE t1 SET c = 5; + INSERT INTO t1 VALUES(10, 11, 12); + UPDATE t1 SET c = 6; + INSERT INTO t1 VALUES(13, 14, 15); +} { + UPDATE t1 SET c=c+1; + DELETE FROM t1 WHERE (a%2); +} + +do_patchset_changeset_test 5.2 { + CREATE TABLE t1(a PRIMARY KEY, b, c); + CREATE TABLE t2(a, b, c, d, PRIMARY KEY(c, b)); +} { + INSERT INTO t1 VALUES(x'00', 0, 'zero'); + INSERT INTO t1 VALUES(x'01', 1, 'one'); + INSERT INTO t1 VALUES(x'02', 4, 'four'); + INSERT INTO t1 VALUES(x'03', 9, 'nine'); + INSERT INTO t1 VALUES(x'04', 16, 'sixteen'); + INSERT INTO t1 VALUES(x'05', 25, 'twenty-five'); +} { + UPDATE t1 SET a = b WHERE b<=4; + INSERT INTO t2 SELECT NULL, * FROM t1; + DELETE FROM t1 WHERE b=25; +} { + DELETE FROM t2; + INSERT INTO t2 SELECT NULL, * FROM t1; + DELETE FROM t1; + INSERT INTO t1 SELECT b, c, d FROM t2; + UPDATE t1 SET b = b+1; + UPDATE t1 SET b = b+1; + UPDATE t1 SET b = b+1; +} + +set initsql { CREATE TABLE t1(a, b, c, PRIMARY KEY(c, b)); } +for {set i 0} {$i < 1000} {incr i} { + append insert "INSERT INTO t1 VALUES($i, $i, $i);" + append delete "DELETE FROM t1 WHERE b=$i;" +} +do_patchset_changeset_test 5.3 \ + $initsql $insert $delete \ + $insert $delete \ + "$insert $delete" \ + $delete + + +finish_test |