Annotation of embedaddon/sqlite3/test/server1.test, revision 1.1.1.1
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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