3
# Check if a condition holds, fail with debug info if not.
5
# The condition is parsed before executed. The following constructs
8
# [SQL_STATEMENT, COLUMN, ROW]
9
# The square bracket is replaced by the result from SQL_STATEMENT,
10
# in the given COLUMN and ROW.
12
# Optionally, SQL_STATEMENT may have the form:
13
# connection:SQL_STATEMENT
14
# In this case, SQL_STATEMENT is executed on the named connection.
15
# All other queries executed by this script will be executed on
16
# the connection that was in use when this script was started.
17
# The current connection will also be restored at the end of this
20
# Nested sub-statements on this form are not allowed.
23
# This is a shorthand for the result of the first executed square
24
# bracket. <2> is a shorthand for the second executed square
29
# --let $assert_text= Relay_Log_Pos must be between min_pos and max_pos
30
# --let $assert_cond= [SHOW SLAVE STATUS, Relay_Log_Pos, 1] >= $min_pos AND <1> <= $max_pos
31
# [--let $assert_quiet= 1]
32
# [--let $rpl_debug= 1]
33
# --source include/assert.inc
38
# Text that describes what is being checked. This text is written to
39
# the query log so it should not contain non-deterministic elements.
42
# Condition to check. See above for details about the format. The
43
# condition will be executed as `SELECT $assert_cond`.
45
# Both $assert_cond and the result from any substatement on the
46
# form [SQL_STATEMENT, COLUMN, ROW] will be used in SQL statements,
47
# inside single quotes (as in '$assert_text'). So any single quotes
48
# in these texts must be escaped or replaced by double quotes.
51
# Print extra debug info.
54
--let $include_filename= assert.inc [$assert_text]
55
--source include/begin_include_file.inc
59
--echo # debug: assert_text='$assert_text' assert_cond='$assert_cond'
65
--die ERROR IN TEST: the mysqltest variable rpl_test must be set
68
--let $_assert_old_connection= $CURRENT_CONNECTION
70
# Evaluate square brackets in cond.
71
--let $_assert_substmt_number= 1
72
--let $_assert_cond_interp= '$assert_cond'
73
--let $_assert_lbracket= `SELECT LOCATE('[', $_assert_cond_interp)`
74
while ($_assert_lbracket)
76
# Get position of right bracket
77
--let $_assert_rbracket= `SELECT LOCATE(']', $_assert_cond_interp)`
78
if (!$_assert_rbracket)
80
--echo BUG IN TEST: Mismatching square brackets in assert_cond.
81
--echo Original assert_cond='$assert_cond'
82
--echo Interpolated assert_cond=$_assert_cond_interp
83
--die BUG IN TEST: Mismatching square brackets in $assert_cond
86
# Get sub-statement from statement. Preserve escapes for single quotes.
87
--let $_assert_full_substmt= `SELECT QUOTE(SUBSTRING($_assert_cond_interp, $_assert_lbracket + 1, $_assert_rbracket - $_assert_lbracket - 1))`
89
# Get connection from sub-statement
90
--let $_assert_colon= `SELECT IF($_assert_full_substmt REGEXP '^[a-zA-Z_][a-zA-Z_0-9]*:', LOCATE(':', $_assert_full_substmt), 0)`
91
--let $_assert_connection=
92
--let $_assert_substmt= $_assert_full_substmt
95
--let $_assert_connection= `SELECT SUBSTRING($_assert_substmt, 1, $_assert_colon - 1)`
96
# Preserve escapes for single quotes.
97
--let $_assert_substmt= `SELECT QUOTE(SUBSTRING($_assert_substmt, $_assert_colon + 1))`
100
# Interpolate escapes before using condition outside string context.
101
--let $_assert_substmt_interp= `SELECT $_assert_substmt`
103
# Execute and get result from sub-statement
104
if ($_assert_connection)
108
--echo # debug: connection='$_assert_connection' sub-statement=$_assert_substmt
110
--let $rpl_connection_name= $_assert_connection
111
--source include/rpl_connection.inc
112
--let $_assert_substmt_result= query_get_value($_assert_substmt_interp)
113
--let $rpl_connection_name= $_assert_old_connection
114
--source include/rpl_connection.inc
116
if (!$_assert_connection)
120
--echo # debug: old connection, sub-statement=$_assert_substmt
122
--let $_assert_substmt_result= query_get_value($_assert_substmt_interp)
126
--echo # debug: result of sub-statement='$_assert_substmt_result'
129
# Replace sub-statement by its result
130
--let $_assert_cond_interp= `SELECT QUOTE(REPLACE($_assert_cond_interp, CONCAT('[', $_assert_full_substmt, ']'), '$_assert_substmt_result'))`
131
# Replace result references by result
132
--let $_assert_cond_interp= `SELECT QUOTE(REPLACE($_assert_cond_interp, '<$_assert_substmt_number>', '$_assert_substmt_result'))`
134
--let $_assert_lbracket= `SELECT LOCATE('[', $_assert_cond_interp)`
136
--inc $_assert_substmt_number
139
# Interpolate escapes before using condition outside string context.
140
--let $_assert_cond_interp= `SELECT $_assert_cond_interp`
144
--echo # debug: interpolated_cond='$_assert_cond_interp'
148
--let $_assert_result= `SELECT $_assert_cond_interp`
152
--echo # debug: result='$_assert_result'
156
if (!$_assert_result)
158
--echo ######## Test assertion failed: $assert_text ########
159
--echo Dumping debug info:
162
--source include/show_rpl_debug_info.inc
164
--echo Assertion text: '$assert_text'
165
--echo Assertion condition: '$assert_cond'
166
--echo Assertion condition, interpolated: '$_assert_cond_interp'
167
--echo Assertion result: '$_assert_result'
168
--die Test assertion failed in assertion.inc
171
--let $include_filename= assert.inc [$assert_text]
172
--source include/end_include_file.inc
added
removed
mysql-test/include/assert.inc
