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| 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 { |
| 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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