Annotation of embedaddon/sqlite3/test/server1.test, revision 1.1

1.1     ! misho       1: # 2006 January 09
        !             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 server mode of SQLite.
        !            13: #
        !            14: # This file is derived from thread1.test
        !            15: #
        !            16: # $Id: server1.test,v 1.5 2007/08/29 18:20:17 drh Exp $
        !            17: 
        !            18: 
        !            19: set testdir [file dirname $argv0]
        !            20: source $testdir/tester.tcl
        !            21: 
        !            22: # Skip this whole file if the server testing code is not enabled
        !            23: #
        !            24: if {[llength [info command client_step]]==0 || [sqlite3 -has-codec]} {
        !            25:   finish_test
        !            26:   return
        !            27: }
        !            28: 
        !            29: # The sample server implementation does not work right when memory
        !            30: # management is enabled.
        !            31: #
        !            32: ifcapable (memorymanage||mutex_noop) {
        !            33:   finish_test
        !            34:   return
        !            35: }
        !            36: 
        !            37: # Create some data to work with
        !            38: #
        !            39: do_test server1-1.1 {
        !            40:   execsql {
        !            41:     CREATE TABLE t1(a,b);
        !            42:     INSERT INTO t1 VALUES(1,'abcdefgh');
        !            43:     INSERT INTO t1 SELECT a+1, b||b FROM t1;
        !            44:     INSERT INTO t1 SELECT a+2, b||b FROM t1;
        !            45:     INSERT INTO t1 SELECT a+4, b||b FROM t1;
        !            46:     SELECT count(*), max(length(b)) FROM t1;
        !            47:   }
        !            48: } {8 64}
        !            49: 
        !            50: # Interleave two threads on read access.  Then make sure a third
        !            51: # thread can write the database.  In other words:
        !            52: #
        !            53: #    read-lock A
        !            54: #    read-lock B
        !            55: #    unlock A
        !            56: #    unlock B
        !            57: #    write-lock C
        !            58: #
        !            59: do_test server1-1.2 {
        !            60:   client_create A test.db
        !            61:   client_create B test.db
        !            62:   client_create C test.db
        !            63:   client_compile A {SELECT a FROM t1}
        !            64:   client_step A
        !            65:   client_result A
        !            66: } SQLITE_ROW
        !            67: do_test server1-1.3 {
        !            68:   client_argc A
        !            69: } 1
        !            70: do_test server1-1.4 {
        !            71:   client_argv A 0
        !            72: } 1
        !            73: do_test server1-1.5 {
        !            74:   client_compile B {SELECT b FROM t1}
        !            75:   client_step B
        !            76:   client_result B
        !            77: } SQLITE_ROW
        !            78: do_test server1-1.6 {
        !            79:   client_argc B
        !            80: } 1
        !            81: do_test server1-1.7 {
        !            82:   client_argv B 0
        !            83: } abcdefgh
        !            84: do_test server1-1.8 {
        !            85:   client_finalize A
        !            86:   client_result A
        !            87: } SQLITE_OK
        !            88: do_test server1-1.9 {
        !            89:   client_finalize B
        !            90:   client_result B
        !            91: } SQLITE_OK
        !            92: do_test server1-1.10 {
        !            93:   client_compile C {CREATE TABLE t2(x,y)}
        !            94:   client_step C
        !            95:   client_result C
        !            96: } SQLITE_DONE
        !            97: do_test server1-1.11 {
        !            98:   client_finalize C
        !            99:   client_result C
        !           100: } SQLITE_OK
        !           101: do_test server1-1.12 {
        !           102:   catchsql {SELECT name FROM sqlite_master}
        !           103:   execsql {SELECT name FROM sqlite_master}
        !           104: } {t1 t2}
        !           105: 
        !           106: 
        !           107: # Read from table t1.  Do not finalize the statement.  This
        !           108: # will leave the lock pending.
        !           109: #
        !           110: do_test server1-2.1 {
        !           111:   client_halt *
        !           112:   client_create A test.db
        !           113:   client_compile A {SELECT a FROM t1}
        !           114:   client_step A
        !           115:   client_result A
        !           116: } SQLITE_ROW
        !           117: 
        !           118: # Read from the same table from another thread.  This is allows.
        !           119: #
        !           120: do_test server1-2.2 {
        !           121:   client_create B test.db
        !           122:   client_compile B {SELECT b FROM t1}
        !           123:   client_step B
        !           124:   client_result B
        !           125: } SQLITE_ROW
        !           126: 
        !           127: # Write to a different table from another thread.  This is allowed
        !           128: # because in server mode with a shared cache we have table-level locking.
        !           129: #
        !           130: do_test server1-2.3 {
        !           131:   client_create C test.db
        !           132:   client_compile C {INSERT INTO t2 VALUES(98,99)}
        !           133:   client_step C
        !           134:   client_result C
        !           135:   client_finalize C
        !           136:   client_result C
        !           137: } SQLITE_OK
        !           138: 
        !           139: # But we cannot insert into table t1 because threads A and B have it locked.
        !           140: #
        !           141: do_test server1-2.4 {
        !           142:   client_compile C {INSERT INTO t1 VALUES(98,99)}
        !           143:   client_step C
        !           144:   client_result C
        !           145:   client_finalize C
        !           146:   client_result C
        !           147: } SQLITE_LOCKED
        !           148: do_test server1-2.5 {
        !           149:   client_finalize B
        !           150:   client_wait B
        !           151:   client_compile C {INSERT INTO t1 VALUES(98,99)}
        !           152:   client_step C
        !           153:   client_result C
        !           154:   client_finalize C
        !           155:   client_result C
        !           156: } SQLITE_LOCKED
        !           157: 
        !           158: # Insert into t1 is successful after finishing the other two threads.
        !           159: do_test server1-2.6 {
        !           160:   client_finalize A
        !           161:   client_wait A
        !           162:   client_compile C {INSERT INTO t1 VALUES(98,99)}
        !           163:   client_step C
        !           164:   client_result C
        !           165:   client_finalize C
        !           166:   client_result C
        !           167: } SQLITE_OK
        !           168: 
        !           169: client_halt *   
        !           170: sqlite3_enable_shared_cache 0
        !           171: finish_test

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