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| -rw-r--r-- | test/schema.test | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/test/schema.test b/test/schema.test new file mode 100644 index 0000000..c7daef2 --- /dev/null +++ b/test/schema.test @@ -0,0 +1,403 @@ +# 2005 Jan 24 +# +# 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. +# +# This file tests the various conditions under which an SQLITE_SCHEMA +# error should be returned. +# +# $Id: schema.test,v 1.9 2009/02/04 17:40:58 drh Exp $ + +#--------------------------------------------------------------------- +# When any of the following types of SQL statements or actions are +# executed, all pre-compiled statements are invalidated. An attempt +# to execute an invalidated statement always returns SQLITE_SCHEMA. +# +# CREATE/DROP TABLE...................................schema-1.* +# CREATE/DROP VIEW....................................schema-2.* +# CREATE/DROP TRIGGER.................................schema-3.* +# CREATE/DROP INDEX...................................schema-4.* +# DETACH..............................................schema-5.* +# Deleting a user-function............................schema-6.* +# Deleting a collation sequence.......................schema-7.* +# Setting or changing the authorization function......schema-8.* +# Rollback of a DDL statement.........................schema-12.* +# +# Test cases schema-9.* and schema-10.* test some specific bugs +# that came up during development. +# +# Test cases schema-11.* test that it is impossible to delete or +# change a collation sequence or user-function while SQL statements +# are executing. Adding new collations or functions is allowed. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +do_test schema-1.1 { + set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] + execsql { + CREATE TABLE abc(a, b, c); + } + sqlite3_step $::STMT +} {SQLITE_ERROR} +do_test schema-1.2 { + sqlite3_finalize $::STMT +} {SQLITE_SCHEMA} +do_test schema-1.3 { + set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] + execsql { + DROP TABLE abc; + } + sqlite3_step $::STMT +} {SQLITE_ERROR} +do_test schema-1.4 { + sqlite3_finalize $::STMT +} {SQLITE_SCHEMA} + +ifcapable view { + do_test schema-2.1 { + set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] + execsql { + CREATE VIEW v1 AS SELECT * FROM sqlite_master; + } + sqlite3_step $::STMT + } {SQLITE_ERROR} + do_test schema-2.2 { + sqlite3_finalize $::STMT + } {SQLITE_SCHEMA} + do_test schema-2.3 { + set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] + execsql { + DROP VIEW v1; + } + sqlite3_step $::STMT + } {SQLITE_ERROR} + do_test schema-2.4 { + sqlite3_finalize $::STMT + } {SQLITE_SCHEMA} +} + +ifcapable trigger { + do_test schema-3.1 { + execsql { + CREATE TABLE abc(a, b, c); + } + set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] + execsql { + CREATE TRIGGER abc_trig AFTER INSERT ON abc BEGIN + SELECT 1, 2, 3; + END; + } + sqlite3_step $::STMT + } {SQLITE_ERROR} + do_test schema-3.2 { + sqlite3_finalize $::STMT + } {SQLITE_SCHEMA} + do_test schema-3.3 { + set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] + execsql { + DROP TRIGGER abc_trig; + } + sqlite3_step $::STMT + } {SQLITE_ERROR} + do_test schema-3.4 { + sqlite3_finalize $::STMT + } {SQLITE_SCHEMA} +} + +do_test schema-4.1 { + catchsql { + CREATE TABLE abc(a, b, c); + } + set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] + execsql { + CREATE INDEX abc_index ON abc(a); + } + sqlite3_step $::STMT +} {SQLITE_ERROR} +do_test schema-4.2 { + sqlite3_finalize $::STMT +} {SQLITE_SCHEMA} +do_test schema-4.3 { + set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] + execsql { + DROP INDEX abc_index; + } + sqlite3_step $::STMT +} {SQLITE_ERROR} +do_test schema-4.4 { + sqlite3_finalize $::STMT +} {SQLITE_SCHEMA} + +#--------------------------------------------------------------------- +# Tests 5.1 to 5.4 check that prepared statements are invalidated when +# a database is DETACHed (but not when one is ATTACHed). +# +ifcapable attach { + do_test schema-5.1 { + set sql {SELECT * FROM abc;} + set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] + execsql { + ATTACH 'test2.db' AS aux; + } + sqlite3_step $::STMT + } {SQLITE_DONE} + do_test schema-5.2 { + sqlite3_reset $::STMT + } {SQLITE_OK} + do_test schema-5.3 { + execsql { + DETACH aux; + } + sqlite3_step $::STMT + } {SQLITE_ERROR} + do_test schema-5.4 { + sqlite3_finalize $::STMT + } {SQLITE_SCHEMA} +} + +#--------------------------------------------------------------------- +# Tests 6.* check that prepared statements are invalidated when +# a user-function is deleted (but not when one is added). +do_test schema-6.1 { + set sql {SELECT * FROM abc;} + set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] + db function hello_function {} + sqlite3_step $::STMT +} {SQLITE_DONE} +do_test schema-6.2 { + sqlite3_reset $::STMT +} {SQLITE_OK} +do_test schema-6.3 { + sqlite_delete_function $::DB hello_function + sqlite3_step $::STMT +} {SQLITE_ERROR} +do_test schema-6.4 { + sqlite3_finalize $::STMT +} {SQLITE_SCHEMA} + +#--------------------------------------------------------------------- +# Tests 7.* check that prepared statements are invalidated when +# a collation sequence is deleted (but not when one is added). +# +ifcapable utf16 { + do_test schema-7.1 { + set sql {SELECT * FROM abc;} + set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] + add_test_collate $::DB 1 1 1 + sqlite3_step $::STMT + } {SQLITE_DONE} + do_test schema-7.2 { + sqlite3_reset $::STMT + } {SQLITE_OK} + do_test schema-7.3 { + add_test_collate $::DB 0 0 0 + sqlite3_step $::STMT + } {SQLITE_ERROR} + do_test schema-7.4 { + sqlite3_finalize $::STMT + } {SQLITE_SCHEMA} +} + +#--------------------------------------------------------------------- +# Tests 8.1 and 8.2 check that prepared statements are invalidated when +# the authorization function is set to a non-null function. Tests 8.11 +# and 8.12 verify that no invalidations occur when the authorizer is +# cleared. +# +ifcapable auth { + proc noop_auth {args} {return SQLITE_OK} + do_test schema-8.1 { + set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] + db auth noop_auth + sqlite3_step $::STMT + } {SQLITE_ERROR} + do_test schema-8.2 { + sqlite3_finalize $::STMT + } {SQLITE_SCHEMA} + do_test schema-8.11 { + set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL] + db auth {} + sqlite3_step $::STMT + } {SQLITE_ROW} + do_test schema-8.12 { + sqlite3_finalize $::STMT + } {SQLITE_OK} + +} + +#--------------------------------------------------------------------- +# schema-9.1: Test that if a table is dropped by one database connection, +# other database connections are aware of the schema change. +# schema-9.2: Test that if a view is dropped by one database connection, +# other database connections are aware of the schema change. +# +do_test schema-9.1 { + sqlite3 db2 test.db + execsql { + DROP TABLE abc; + } db2 + db2 close + catchsql { + SELECT * FROM abc; + } +} {1 {no such table: abc}} +execsql { + CREATE TABLE abc(a, b, c); +} +ifcapable view { + do_test schema-9.2 { + execsql { + CREATE VIEW abcview AS SELECT * FROM abc; + } + sqlite3 db2 test.db + execsql { + DROP VIEW abcview; + } db2 + db2 close + catchsql { + SELECT * FROM abcview; + } + } {1 {no such table: abcview}} +} + +#--------------------------------------------------------------------- +# Test that if a CREATE TABLE statement fails because there are other +# btree cursors open on the same database file it does not corrupt +# the sqlite_master table. +# +# 2007-05-02: These tests have been overcome by events. Open btree +# cursors no longer block CREATE TABLE. But there is no reason not +# to keep the tests in the test suite. +# +do_test schema-10.1 { + execsql { + INSERT INTO abc VALUES(1, 2, 3); + } + set sql {SELECT * FROM abc} + set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] + sqlite3_step $::STMT +} {SQLITE_ROW} +do_test schema-10.2 { + catchsql { + CREATE TABLE t2(a, b, c); + } +} {0 {}} +do_test schema-10.3 { + sqlite3_finalize $::STMT +} {SQLITE_OK} +do_test schema-10.4 { + sqlite3 db2 test.db + execsql { + SELECT * FROM abc + } db2 +} {1 2 3} +do_test schema-10.5 { + db2 close +} {} + +#--------------------------------------------------------------------- +# Attempting to delete or replace a user-function or collation sequence +# while there are active statements returns an SQLITE_BUSY error. +# +# schema-11.1 - 11.4: User function. +# schema-11.5 - 11.8: Collation sequence. +# +do_test schema-11.1 { + db function tstfunc {} + set sql {SELECT * FROM abc} + set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] + sqlite3_step $::STMT +} {SQLITE_ROW} +do_test schema-11.2 { + sqlite_delete_function $::DB tstfunc +} {SQLITE_BUSY} +do_test schema-11.3 { + set rc [catch { + db function tstfunc {} + } msg] + list $rc $msg +} {1 {unable to delete/modify user-function due to active statements}} +do_test schema-11.4 { + sqlite3_finalize $::STMT +} {SQLITE_OK} +do_test schema-11.5 { + db collate tstcollate {} + set sql {SELECT * FROM abc} + set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL] + sqlite3_step $::STMT +} {SQLITE_ROW} +do_test schema-11.6 { + sqlite_delete_collation $::DB tstcollate +} {SQLITE_BUSY} +do_test schema-11.7 { + set rc [catch { + db collate tstcollate {} + } msg] + list $rc $msg +} {1 {unable to delete/modify collation sequence due to active statements}} +do_test schema-11.8 { + sqlite3_finalize $::STMT +} {SQLITE_OK} + +# The following demonstrates why statements need to be expired whenever +# there is a rollback (explicit or otherwise). +# +do_test schema-12.1 { + # Begin a transaction and create a table. This increments + # the schema cookie. Then compile an SQL statement, using + # the current (incremented) value of the cookie. + execsql { + BEGIN; + CREATE TABLE t3(a, b, c); + } + set ::STMT [sqlite3_prepare $::DB "CREATE TABLE t4(a,b,c)" -1 TAIL] + + # Rollback the transaction, resetting the schema cookie to the value + # it had at the start of this test case. Then create a table, + # incrementing the schema cookie. + execsql { + ROLLBACK; + CREATE TABLE t4(a, b, c); + } + + # The schema cookie now has the same value as it did when SQL statement + # $::STMT was prepared. So unless it has been expired, it would be + # possible to run the "CREATE TABLE t4" statement and create a + # duplicate table. + list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT] +} {SQLITE_ERROR SQLITE_SCHEMA} + +ifcapable {auth} { + +do_test schema-13.1 { + set S [sqlite3_prepare_v2 db "SELECT * FROM sqlite_master" -1 dummy] + db function hello hello + db function hello {} + db auth auth + proc auth {args} { + if {[lindex $args 0] == "SQLITE_READ"} {return SQLITE_DENY} + return SQLITE_OK + } + sqlite3_step $S +} {SQLITE_AUTH} + +do_test schema-13.2 { + sqlite3_step $S +} {SQLITE_AUTH} + +do_test schema-13.3 { + sqlite3_finalize $S +} {SQLITE_AUTH} + +} + +finish_test |