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aef0bf6429
sqlite/test/tester.tcl
danielk1977 aef0bf6429 Add part of the btree layer of the shared-cache feature. (CVS 2848) 
FossilOrigin-Name: 2afcad990190af97d1ad0010f211a5ca8f0fd745
2005-12-30 16:28:01 +00:00

495 lines
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Tcl
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# 2001 September 15
#
# 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 some common TCL routines used for regression
# testing the SQLite library
#
# $Id: tester.tcl,v 1.55 2005/12/30 16:28:02 danielk1977 Exp $
# Make sure tclsqlite3 was compiled correctly. Abort now with an
# error message if not.
#
if {[sqlite3 -tcl-uses-utf]} {
if {"\u1234"=="u1234"} {
puts stderr "***** BUILD PROBLEM *****"
puts stderr "$argv0 was linked against an older version"
puts stderr "of TCL that does not support Unicode, but uses a header"
puts stderr "file (\"tcl.h\") from a new TCL version that does support"
puts stderr "Unicode. This combination causes internal errors."
puts stderr "Recompile using a TCL library and header file that match"
puts stderr "and try again.\n**************************"
exit 1
}
} else {
if {"\u1234"!="u1234"} {
puts stderr "***** BUILD PROBLEM *****"
puts stderr "$argv0 was linked against an newer version"
puts stderr "of TCL that supports Unicode, but uses a header file"
puts stderr "(\"tcl.h\") from a old TCL version that does not support"
puts stderr "Unicode. This combination causes internal errors."
puts stderr "Recompile using a TCL library and header file that match"
puts stderr "and try again.\n**************************"
exit 1
}
}
set tcl_precision 15
set sqlite_pending_byte 0x0010000
# Use the pager codec if it is available
#
if {[sqlite3 -has-codec] && [info command sqlite_orig]==""} {
rename sqlite3 sqlite_orig
proc sqlite3 {args} {
if {[llength $args]==2 && [string index [lindex $args 0] 0]!="-"} {
lappend args -key {xyzzy}
}
uplevel 1 sqlite_orig $args
}
}
# Create a test database
#
catch {db close}
file delete -force test.db
file delete -force test.db-journal
set ::DB [sqlite3 db ./test.db]
if {[info exists ::SETUP_SQL]} {
db eval $::SETUP_SQL
}
# Abort early if this script has been run before.
#
if {[info exists nTest]} return
# Set the test counters to zero
#
set nErr 0
set nTest 0
set nProb 0
set skip_test 0
set failList {}
set maxErr 1000
# Invoke the do_test procedure to run a single test
#
proc do_test {name cmd expected} {
global argv nErr nTest skip_test maxErr
set ::sqlite_malloc_id $name
if {$skip_test} {
set skip_test 0
return
}
if {[llength $argv]==0} {
set go 1
} else {
set go 0
foreach pattern $argv {
if {[string match $pattern $name]} {
set go 1
break
}
}
}
if {!$go} return
incr nTest
puts -nonewline $name...
flush stdout
if {[catch {uplevel #0 "$cmd;\n"} result]} {
puts "\nError: $result"
incr nErr
lappend ::failList $name
if {$nErr>$maxErr} {puts "*** Giving up..."; finalize_testing}
} elseif {[string compare $result $expected]} {
puts "\nExpected: \[$expected\]\n Got: \[$result\]"
incr nErr
lappend ::failList $name
if {$nErr>=$maxErr} {puts "*** Giving up..."; finalize_testing}
} else {
puts " Ok"
}
}
# The procedure uses the special "sqlite_malloc_stat" command
# (which is only available if SQLite is compiled with -DSQLITE_DEBUG=1)
# to see how many malloc()s have not been free()ed. The number
# of surplus malloc()s is stored in the global variable $::Leak.
# If the value in $::Leak grows, it may mean there is a memory leak
# in the library.
#
proc memleak_check {} {
if {[info command sqlite_malloc_stat]!=""} {
set r [sqlite_malloc_stat]
set ::Leak [expr {[lindex $r 0]-[lindex $r 1]}]
}
}
# Run this routine last
#
proc finish_test {} {
finalize_testing
}
proc finalize_testing {} {
global nTest nErr nProb sqlite_open_file_count
if {$nErr==0} memleak_check
catch {db close}
catch {db2 close}
catch {db3 close}
catch {
pp_check_for_leaks
}
puts "$nErr errors out of $nTest tests"
puts "Failures on these tests: $::failList"
if {$nProb>0} {
puts "$nProb probabilistic tests also failed, but this does"
puts "not necessarily indicate a malfunction."
}
if 0 {
if {$sqlite_open_file_count} {
puts "$sqlite_open_file_count files were left open"
incr nErr
}
}
exit [expr {$nErr>0}]
}
# A procedure to execute SQL
#
proc execsql {sql {db db}} {
# puts "SQL = $sql"
return [$db eval $sql]
}
# Execute SQL and catch exceptions.
#
proc catchsql {sql {db db}} {
# puts "SQL = $sql"
set r [catch {$db eval $sql} msg]
lappend r $msg
return $r
}
# Do an VDBE code dump on the SQL given
#
proc explain {sql {db db}} {
puts ""
puts "addr opcode p1 p2 p3 "
puts "---- ------------ ------ ------ ---------------"
$db eval "explain $sql" {} {
puts [format {%-4d %-12.12s %-6d %-6d %s} $addr $opcode $p1 $p2 $p3]
}
}
# Another procedure to execute SQL. This one includes the field
# names in the returned list.
#
proc execsql2 {sql} {
set result {}
db eval $sql data {
foreach f $data(*) {
lappend result $f $data($f)
}
}
return $result
}
# Use the non-callback API to execute multiple SQL statements
#
proc stepsql {dbptr sql} {
set sql [string trim $sql]
set r 0
while {[string length $sql]>0} {
if {[catch {sqlite3_prepare $dbptr $sql -1 sqltail} vm]} {
return [list 1 $vm]
}
set sql [string trim $sqltail]
# while {[sqlite_step $vm N VAL COL]=="SQLITE_ROW"} {
# foreach v $VAL {lappend r $v}
# }
while {[sqlite3_step $vm]=="SQLITE_ROW"} {
for {set i 0} {$i<[sqlite3_data_count $vm]} {incr i} {
lappend r [sqlite3_column_text $vm $i]
}
}
if {[catch {sqlite3_finalize $vm} errmsg]} {
return [list 1 $errmsg]
}
}
return $r
}
# Delete a file or directory
#
proc forcedelete {filename} {
if {[catch {file delete -force $filename}]} {
exec rm -rf $filename
}
}
# Do an integrity check of the entire database
#
proc integrity_check {name} {
ifcapable integrityck {
do_test $name {
execsql {PRAGMA integrity_check}
} {ok}
}
}
# Evaluate a boolean expression of capabilities. If true, execute the
# code. Omit the code if false.
#
proc ifcapable {expr code {else ""} {elsecode ""}} {
regsub -all {[a-z_0-9]+} $expr {$::sqlite_options(&)} e2
if ($e2) {
set c [catch {uplevel 1 $code} r]
} else {
set c [catch {uplevel 1 $elsecode} r]
}
return -code $c $r
}
# This proc execs a seperate process that crashes midway through executing
# the SQL script $sql on database test.db.
#
# The crash occurs during a sync() of file $crashfile. When the crash
# occurs a random subset of all unsynced writes made by the process are
# written into the files on disk. Argument $crashdelay indicates the
# number of file syncs to wait before crashing.
#
# The return value is a list of two elements. The first element is a
# boolean, indicating whether or not the process actually crashed or
# reported some other error. The second element in the returned list is the
# error message. This is "child process exited abnormally" if the crash
# occured.
#
proc crashsql {crashdelay crashfile sql} {
if {$::tcl_platform(platform)!="unix"} {
error "crashsql should only be used on unix"
}
set cfile [file join [pwd] $crashfile]
set f [open crash.tcl w]
puts $f "sqlite3_crashparams $crashdelay $cfile"
puts $f "sqlite3 db test.db"
puts $f "db eval {pragma cache_size = 10}"
puts $f "db eval {"
puts $f "$sql"
puts $f "}"
close $f
set r [catch {
exec [info nameofexec] crash.tcl >@stdout
} msg]
lappend r $msg
}
# Usage: do_ioerr_test <test number> <options...>
#
# This proc is used to implement test cases that check that IO errors
# are correctly handled. The first argument, <test number>, is an integer
# used to name the tests executed by this proc. Options are as follows:
#
# -tclprep TCL script to run to prepare test.
# -sqlprep SQL script to run to prepare test.
# -tclbody TCL script to run with IO error simulation.
# -sqlbody TCL script to run with IO error simulation.
# -exclude List of 'N' values not to test.
# -start Value of 'N' to begin with (default 1)
#
# -cksum Boolean. If true, test that the database does
# not change during the execution of the test case.
#
proc do_ioerr_test {testname args} {
set ::ioerropts(-start) 1
set ::ioerropts(-cksum) 0
array set ::ioerropts $args
set ::go 1
for {set n $::ioerropts(-start)} {$::go} {incr n} {
# Skip this IO error if it was specified with the "-exclude" option.
if {[info exists ::ioerropts(-exclude)]} {
if {[lsearch $::ioerropts(-exclude) $n]!=-1} continue
}
# Delete the files test.db and test2.db, then execute the TCL and
# SQL (in that order) to prepare for the test case.
do_test $testname.$n.1 {
set ::sqlite_io_error_pending 0
catch {db close}
catch {file delete -force test.db}
catch {file delete -force test.db-journal}
catch {file delete -force test2.db}
catch {file delete -force test2.db-journal}
set ::DB [sqlite3 db test.db]
if {[info exists ::ioerropts(-tclprep)]} {
eval $::ioerropts(-tclprep)
}
if {[info exists ::ioerropts(-sqlprep)]} {
execsql $::ioerropts(-sqlprep)
}
expr 0
} {0}
# Read the 'checksum' of the database.
if {$::ioerropts(-cksum)} {
set checksum [cksum]
}
# Set the Nth IO error to fail.
do_test $testname.$n.2 [subst {
set ::sqlite_io_error_pending $n
}] $n
# Create a single TCL script from the TCL and SQL specified
# as the body of the test.
set ::ioerrorbody {}
if {[info exists ::ioerropts(-tclbody)]} {
append ::ioerrorbody "$::ioerropts(-tclbody)\n"
}
if {[info exists ::ioerropts(-sqlbody)]} {
append ::ioerrorbody "db eval {$::ioerropts(-sqlbody)}"
}
# Execute the TCL Script created in the above block. If
# there are at least N IO operations performed by SQLite as
# a result of the script, the Nth will fail.
do_test $testname.$n.3 {
set r [catch $::ioerrorbody msg]
set ::go [expr {$::sqlite_io_error_pending<=0}]
set s [expr $::sqlite_io_error_hit==0]
# puts "$::sqlite_io_error_pending $r $msg"
expr { ($s && !$r) || (!$s && $r) }
# expr {$::sqlite_io_error_pending>0 || $r!=0}
} {1}
# If an IO error occured, then the checksum of the database should
# be the same as before the script that caused the IO error was run.
if {$::go && $::ioerropts(-cksum)} {
do_test $testname.$n.4 {
catch {db close}
set ::DB [sqlite3 db test.db]
cksum
} $checksum
}
if {[info exists ::ioerropts(-cleanup)]} {
catch $::ioerropts(-cleanup)
}
}
set ::sqlite_io_error_pending 0
unset ::ioerropts
}
# Return a checksum based on the contents of database 'db'.
#
proc cksum {{db db}} {
set txt [$db eval {
SELECT name, type, sql FROM sqlite_master order by name
}]\n
foreach tbl [$db eval {
SELECT name FROM sqlite_master WHERE type='table' order by name
}] {
append txt [$db eval "SELECT * FROM $tbl"]\n
}
foreach prag {default_synchronous default_cache_size} {
append txt $prag-[$db eval "PRAGMA $prag"]\n
}
set cksum [string length $txt]-[md5 $txt]
# puts $cksum-[file size test.db]
return $cksum
}
# Copy file $from into $to. This is used because some versions of
# TCL for windows (notably the 8.4.1 binary package shipped with the
# current mingw release) have a broken "file copy" command.
#
proc copy_file {from to} {
if {$::tcl_platform(platform)=="unix"} {
file copy -force $from $to
} else {
set f [open $from]
fconfigure $f -translation binary
set t [open $to w]
fconfigure $t -translation binary
puts -nonewline $t [read $f [file size $from]]
close $t
close $f
}
}
# This command checks for outstanding calls to sqliteMalloc() from within
# the current thread. A list is returned with one entry for each outstanding
# malloc. Each list entry is itself a list of 5 items, as follows:
#
# { <number-bytes> <file-name> <line-number> <test-case> <stack-dump> }
#
proc check_for_leaks {} {
set ret [list]
set cnt 0
foreach alloc [sqlite_malloc_outstanding] {
foreach {nBytes file iLine userstring backtrace} $alloc {}
set stack [list]
set skip 0
# The first command in this block will probably fail on windows. This
# means there will be no stack dump available.
if {$cnt < 25} {
catch {
set stuff [eval "exec addr2line -e ./testfixture -f $backtrace"]
foreach {func line} $stuff {
if {$func != "??" || $line != "??:0"} {
regexp {.*/(.*)} $line dummy line
lappend stack "${func}() $line"
} else {
if {[lindex $stack end] != "..."} {
lappend stack "..."
}
}
}
}
incr cnt
}
if {!$skip} {
lappend ret [list $nBytes $file $iLine $userstring $stack]
}
}
return $ret
}
# Pretty print a report based on the return value of [check_for_leaks] to
# stdout.
proc pp_check_for_leaks {} {
set l [check_for_leaks]
set n 0
foreach leak $l {
foreach {nBytes file iLine userstring stack} $leak {}
puts "$nBytes bytes leaked at $file:$iLine ($userstring)"
foreach frame $stack {
puts " $frame"
}
incr n $nBytes
}
puts "Memory leaked: $n bytes in [llength $l] allocations"
puts ""
}
# If the library is compiled with the SQLITE_DEFAULT_AUTOVACUUM macro set
# to non-zero, then set the global variable $AUTOVACUUM to 1.
set AUTOVACUUM $sqlite_options(default_autovacuum)
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