Files
cpython-source-deps/test/fop001.tcl
2017-09-04 13:40:25 -05:00

243 lines
6.8 KiB
Tcl

# See the file LICENSE for redistribution information.
#
# Copyright (c) 2000,2008 Oracle. All rights reserved.
#
# $Id: fop001.tcl,v 12.10 2008/01/08 20:58:53 bostic Exp $
#
# TEST fop001.tcl
# TEST Test file system operations, combined in a transaction. [#7363]
proc fop001 { method { inmem 0 } args } {
source ./include.tcl
set args [convert_args $method $args]
set omethod [convert_method $method]
# The variable inmem determines whether the test is being
# run with regular named databases or named in-memory databases.
if { $inmem == 0 } {
set tnum "001"
set string "regular named databases"
set operator do_op
} else {
set tnum "007"
set string "in-memory named databases"
set operator do_inmem_op
}
puts "\nFop$tnum: ($method)\
Two file system ops in one transaction for $string."
set exists {a b}
set noexist {foo bar}
set open {}
set cases {}
set ops {rename remove open open_create open_excl truncate}
# Set up all sensible two-op cases (op1 succeeds).
foreach retval { 0 "file exists" "no such file" } {
foreach op1 {rename remove open open_excl \
open_create truncate} {
foreach op2 $ops {
append cases " " [create_tests $op1 $op2 \
$exists $noexist $open $retval]
}
}
}
# Set up evil two-op cases (op1 fails). Omit open_create
# and truncate from op1 list -- open_create always succeeds
# and truncate requires a successful open.
foreach retval { 0 "file exists" "no such file" } {
foreach op1 { rename remove open open_excl } {
foreach op2 $ops {
append cases " " [create_badtests $op1 $op2 \
$exists $noexist $open $retval]
}
}
}
# The structure of each case is:
# {{op1 {names1} result end1} {op2 {names2} result}}
# A result of "0" indicates no error is expected.
# Otherwise, the result is the expected error message.
#
# The "end1" variable indicates whether the first txn
# ended with an abort or a commit, and is not used
# in this test.
#
# Comment this loop out to remove the list of cases.
# set i 1
# foreach case $cases {
# puts "\tFop$tnum:$i: $case"
# incr i
# }
set testid 0
# Run all the cases
foreach case $cases {
env_cleanup $testdir
incr testid
# Extract elements of the case
set op1 [lindex [lindex $case 0] 0]
set names1 [lindex [lindex $case 0] 1]
set res1 [lindex [lindex $case 0] 2]
set op2 [lindex [lindex $case 1] 0]
set names2 [lindex [lindex $case 1] 1]
set res2 [lindex [lindex $case 1] 2]
puts "\tFop$tnum.$testid: $op1 ($names1), then $op2 ($names2)."
# The variable 'when' describes when to resolve a txn --
# before or after closing any open databases.
foreach when { before after } {
# Create transactional environment.
set env [berkdb_env -create -home $testdir -txn]
error_check_good is_valid_env [is_valid_env $env] TRUE
# Create two databases, dba and dbb.
if { $inmem == 0 } {
set dba [eval {berkdb_open -create} $omethod \
$args -env $env -auto_commit a]
} else {
set dba [eval {berkdb_open -create} $omethod \
$args -env $env -auto_commit { "" a }]
}
error_check_good dba_open [is_valid_db $dba] TRUE
error_check_good dba_put [$dba put 1 a] 0
error_check_good dba_close [$dba close] 0
if { $inmem == 0 } {
set dbb [eval {berkdb_open -create} $omethod \
$args -env $env -auto_commit b]
} else {
set dbb [eval {berkdb_open -create} $omethod \
$args -env $env -auto_commit { "" b }]
}
error_check_good dbb_open [is_valid_db $dbb] TRUE
error_check_good dbb_put [$dbb put 1 b] 0
error_check_good dbb_close [$dbb close] 0
# The variable 'end' describes how to resolve the txn.
# We run the 'abort' first because that leaves the env
# properly set up for the 'commit' test.
foreach end {abort commit} {
puts "\t\tFop$tnum.$testid:\
$end $when closing database."
# Start transaction
set txn [$env txn]
# Execute and check operation 1
set result1 [$operator \
$omethod $op1 $names1 $txn $env $args]
if { $res1 == 0 } {
error_check_good \
op1_should_succeed $result1 $res1
} else {
set error [extract_error $result1]
error_check_good \
op1_wrong_failure $error $res1
}
# Execute and check operation 2
set result2 [$operator \
$omethod $op2 $names2 $txn $env $args]
if { $res2 == 0 } {
error_check_good \
op2_should_succeed $result2 $res2
} else {
set error [extract_error $result2]
error_check_good \
op2_wrong_failure $error $res2
}
if { $when == "before" } {
error_check_good txn_$end [$txn $end] 0
# If the txn was aborted, we still
# have the original two databases.
if { $end == "abort" } {
database_exists \
$inmem $testdir a
database_exists \
$inmem $testdir b
}
close_db_handles
} else {
close_db_handles
error_check_good txn_$end [$txn $end] 0
if { $end == "abort" } {
database_exists \
$inmem $testdir a
database_exists \
$inmem $testdir b
}
}
}
# Clean up for next case
error_check_good env_close [$env close] 0
error_check_good envremove \
[berkdb envremove -home $testdir] 0
env_cleanup $testdir
}
}
}
proc database_exists { inmem testdir name } {
if { $inmem == 1 } {
error_check_good db_exists [inmem_exists $testdir $name] 1
} else {
error_check_good db_exists [file exists $testdir/$name] 1
}
}
# This is a real hack. We need to figure out if an in-memory named
# file exists. In a perfect world we could use mpool stat. Unfortunately,
# mpool_stat returns files that have deadfile set and we need to not consider
# those files to be meaningful. So, we are parsing the output of db_stat -MA
# (I told you this was a hack) If we ever change the output, this is going
# to break big time. Here is what we assume:
# A file is represented by: File #N name
# The last field printed for a file is Flags
# If the file is dead, deadfile will show up in the flags
proc inmem_exists { dir filename } {
set infile 0
set islive 0
set name ""
set s [exec ./db_stat -MA -h $dir]
foreach i $s {
if { $i == "File" } {
set infile 1
set islive 1
set name ""
} elseif { $i == "Flags" } {
set infile 0
if { $name != "" && $islive } {
return 1
}
} elseif { $infile != 0 } {
incr infile
}
if { $islive && $i == "deadfile" } {
set islive 0
}
if { $infile == 3 } {
if { $i == $filename } {
set name $filename
}
}
}
return 0
}