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|
# Error on unset variables
set -u
if [ -n "${ZSH_VERSION-}" ]; then
SHUNIT_PARENT="$0"
setopt shwordsplit ksh_arrays
fi
LP_ENABLE_RAM=1
typeset -a os outputs values_avail values_total values_remaining values_human
# Fake trivial Linux.
# Should be the first one, for test_ram_threshold below.
os+=('Linux')
outputs+=('MemTotal: 2048 kB
MemAvailable: 1024 kB')
values_avail+=('1048576')
values_total+=('2097152')
values_remaining+=('1024')
values_human+=('1024KiB')
# Another trivial, testing human display of MiB.
os+=('Linux')
outputs+=('MemTotal: 2097152 kB
MemAvailable: 1048576 kB') # 1024 * 1024
values_avail+=('1073741824')
values_total+=('2147483648')
values_remaining+=('1048576')
values_human+=('1024MiB')
# Another trivial, testing human display of GiB.
os+=('Linux')
outputs+=('MemTotal: 2147483648 kB
MemAvailable: 1073741824 kB') # 1024 * 1024 * 1024
values_avail+=('1099511627776')
values_total+=('2199023255552')
values_remaining+=('1073741824')
values_human+=('1024GiB')
# Linux 5.4.0-139-generic #156-Ubuntu SMP Fri Jan 20 17:27:18 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
os+=('Linux')
outputs+=('MemTotal: 8033668 kB
MemFree: 2722348 kB
MemAvailable: 6899116 kB
Buffers: 1360936 kB
Cached: 2226412 kB
SwapCached: 0 kB
Active: 2558628 kB
Inactive: 1491516 kB
Active(anon): 455688 kB
Inactive(anon): 46872 kB
Active(file): 2102940 kB
Inactive(file): 1444644 kB
Unevictable: 4504 kB
Mlocked: 32 kB
SwapTotal: 2097148 kB
SwapFree: 2097148 kB
Dirty: 336 kB
Writeback: 0 kB
AnonPages: 467004 kB
Mapped: 451292 kB
Shmem: 53164 kB
KReclaimable: 939992 kB
Slab: 1126700 kB
SReclaimable: 939992 kB
SUnreclaim: 186708 kB
KernelStack: 5796 kB
PageTables: 8952 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 6113980 kB
Committed_AS: 2605400 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 71264 kB
VmallocChunk: 0 kB
Percpu: 4464 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
ShmemPmdMapped: 0 kB
FileHugePages: 0 kB
FilePmdMapped: 0 kB
CmaTotal: 0 kB
CmaFree: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
Hugetlb: 0 kB
DirectMap4k: 564428 kB
DirectMap2M: 7710720 kB
DirectMap1G: 1048576 kB
'
)
values_avail+=('7064694784')
values_total+=('8226476032')
values_remaining+=('6899116')
values_human+=('6GiB')
# (Free?)BSD, unknown version
os+=('FreeBSD')
outputs+=('usable memory = 34346901504 (32755 MB)
avail memory = 33139134464 (31603 MB)')
values_avail+=('33139134464')
values_total+=('34346901504')
values_remaining+=('32362436')
values_human+=('30GiB')
# FreeBSD 13.2-RELEASE-p1 GENERIC amd64
os+=('FreeBSD')
outputs+=('Hypervisor: Origin = "KVMKVMKVM"
real memory = 8589934592 (8192 MB)
avail memory = 8270389248 (7887 MB)
Event timer "LAPIC" quality 600
ACPI APIC Table: <BOCHS BXPCAPIC>')
values_avail+=('8270389248')
values_total+=('8589934592')
values_remaining+=('8076552')
values_human+=('7GiB')
# Darwin 22.3.0 Darwin Kernel Version 22.3.0: Mon Jan 30 20:42:11 PST 2023; root:xnu-8792.81.3~2/RELEASE_X86_64 x86_64
os+=('Darwin')
outputs+=('Mach Virtual Memory Statistics: (page size of 4096 bytes)
Pages free: 77936.
Pages active: 1729321.
Pages inactive: 1684334.
Pages speculative: 45972.
Pages throttled: 0.
Pages wired down: 620324.
Pages purgeable: 18622.
"Translation faults": 134215056.
Pages copy-on-write: 2741383.
Pages zero filled: 97842470.
Pages reactivated: 658037.
Pages purged: 470473.
File-backed pages: 786795.
Anonymous pages: 2672832.
Pages stored in compressor: 105679.
Pages occupied by compressor: 35785.
Decompressions: 256471.
Compressions: 447621.
Pageins: 4513634.
Pageouts: 11829.
Swapins: 6144.
Swapouts: 6656.
')
# (free + inactive) * page_size
# (77936+ 1684334 ) * 4096
values_avail+=('7218257920')
# (free + active + inactive + speculative + throttled + wired down + occupied by compressor) * page_size
# (77936+ 1729321+ 1684334 + 45972 + 0 + 620324 + 35785 ) * 4096
values_total+=('17177280512')
values_remaining+=('7049080')
values_human+=('6GiB')
# Darwin 22.6.0 Darwin Kernel Version 22.6.0: Wed Jul 5 22:22:05 PDT 2023; root:xnu-8796.141.3~6/RELEASE_ARM64_T6000 arm64
os+=('Darwin')
outputs+=('Mach Virtual Memory Statistics: (page size of 16384 bytes)
Pages free: 1415073.
Pages active: 1261473.
Pages inactive: 940337.
Pages speculative: 324830.
Pages throttled: 0.
Pages wired down: 197899.
Pages purgeable: 96625.
"Translation faults": 513307041.
Pages copy-on-write: 29469303.
Pages zero filled: 207776720.
Pages reactivated: 864998.
Pages purged: 1374714.
File-backed pages: 1140390.
Anonymous pages: 1386250.
Pages stored in compressor: 0.
Pages occupied by compressor: 0.
Decompressions: 0.
Compressions: 0.
Pageins: 2250761.
Pageouts: 0.
Swapins: 0.
Swapouts: 0.
')
values_avail+=('38591037440')
values_total+=('67823403008')
values_remaining+=('37686560')
values_human+=('35GiB')
function test_ram() {
_LP_LINUX_RAM_FILE="${SHUNIT_TMPDIR}/lpraminfo"
_LP_BSD_RAM_FILE="${SHUNIT_TMPDIR}/lpraminfo"
LP_RAM_THRESHOLD_PERC=100 # Available mem% will always lesser or equal than 100.
LP_RAM_THRESHOLD=$(( (1<<63)-1 )) # MAXINT in 64 bits.
LP_RAM_PRECISION=0
typeset lp_ram_avail_bytes lp_ram_total_bytes lp_ram_used_bytes
# Set to null because we don't use the `if _lp_ram` guard construction.
typeset lp_ram_used_perc= lp_ram_perc=
# Iterate over tests.
for (( i=0; i < ${#values_avail[@]}; i++ )); do
# Load correct version for OS.
uname() { printf "${os[$i]}"; }
. ../liquidprompt --no-activate
unset -f uname
# Linux and BSD.
printf '%s\n' "${outputs[$i]}" > "${SHUNIT_TMPDIR}/lpraminfo"
# Darwin.
vm_stat() {
printf '%s\n' "${outputs[$i]}"
}
__lp_ram_bytes
assertEquals " #$i ${LP_OS} available memory." "${values_avail[$i]}" "${lp_ram_avail_bytes}"
assertEquals " #$i ${LP_OS} total memory." "${values_total[$i]}" "${lp_ram_total_bytes}"
assertEquals " #$i ${LP_OS} used memory." "$((lp_ram_total_bytes-lp_ram_avail_bytes))" "${lp_ram_used_bytes}"
_lp_ram
assertEquals " #$i ${LP_OS} untouched available memory." "${values_avail[$i]}" "${lp_ram_avail_bytes}"
assertEquals " #$i ${LP_OS} untouched total memory." "${values_total[$i]}" "${lp_ram_total_bytes}"
assertEquals " #$i ${LP_OS} untouched used memory." "$((lp_ram_total_bytes-lp_ram_avail_bytes))" "${lp_ram_used_bytes}"
assertEquals " #$i ${LP_OS} available percentage." "$((lp_ram_avail_bytes*100/lp_ram_total_bytes))" "${lp_ram_perc}"
assertEquals " #$i ${LP_OS} remaining." "${values_remaining[$i]}" "${lp_ram}"
assertEquals " #$i ${LP_OS} human." "${values_human[$i]}" "${lp_ram_human}${lp_ram_human_units}"
done
unset -f vm_stat
}
function test_ram_threshold()
{
_LP_LINUX_RAM_FILE="${SHUNIT_TMPDIR}/lpraminfo"
LP_MARK_RAM="M"
LP_RAM_PRECISION=0
typeset lp_ram_perc=
# 0 = no error, 1 = error.
local OK=0 NO=1
local MAXINT=$(( (1<<63)-1 )) # MAXINT in 64 bits.
# Load Linux version.
uname() { printf 'Linux'; }
. ../liquidprompt --no-activate
unset -f uname
LP_RAM_THRESHOLD=0
# Fake trivial meminfo = 1024/2048 kB.
printf '%s\n' "${outputs[0]}" > "$_LP_LINUX_RAM_FILE"
LP_RAM_THRESHOLD_PERC=100
_lp_ram
assertEquals "Tests expect fake trivial meminfo" "50" "$lp_ram_perc"
LP_RAM_THRESHOLD_PERC=0
_lp_ram
assertEquals "No display at $lp_ram_perc <= $LP_RAM_THRESHOLD_PERC" "$NO" "$?"
LP_RAM_THRESHOLD_PERC=100
_lp_ram
assertEquals "Display at $lp_ram_perc <= $LP_RAM_THRESHOLD_PERC" "$OK" "$?"
LP_RAM_THRESHOLD_PERC=50
_lp_ram
assertEquals "Display at $lp_ram_perc <= $LP_RAM_THRESHOLD_PERC" "$OK" "$?"
LP_RAM_THRESHOLD_PERC=51
_lp_ram
assertEquals "Display at $lp_ram_perc <= $LP_RAM_THRESHOLD_PERC" "$OK" "$?"
LP_RAM_THRESHOLD_PERC=49
_lp_ram
assertEquals "No display at $lp_ram_perc <= $LP_RAM_THRESHOLD_PERC" "$NO" "$?"
# At least one or both thresholds.
LP_RAM_THRESHOLD_PERC=100
LP_RAM_THRESHOLD=0
_lp_ram
assertEquals "Display at $lp_ram_perc <= $LP_RAM_THRESHOLD_PERC" "$OK" "$?"
LP_RAM_THRESHOLD_PERC=0
LP_RAM_THRESHOLD=$MAXINT
_lp_ram
assertEquals "Display at $lp_ram_perc <= $LP_RAM_THRESHOLD_PERC" "$OK" "$?"
LP_RAM_THRESHOLD_PERC=100
LP_RAM_THRESHOLD=$MAXINT
_lp_ram
assertEquals "Display at $lp_ram_perc <= $LP_RAM_THRESHOLD_PERC" "$OK" "$?"
LP_RAM_THRESHOLD_PERC=0
LP_RAM_THRESHOLD=0
_lp_ram
assertEquals "No display at $lp_ram_perc <= $LP_RAM_THRESHOLD_PERC" "$NO" "$?"
}
. ./shunit2
|
