nonzero_exitstatus_on_errors.bats

#!/usr/bin/env bats
# an attempt to test https://github.com/netj/mkmimo against cases where read(2)/write(2) returns error
load test_helpers

@test "exits with non-zero status with bad files" {
    rm -fv non-existent-input non-existent-output
    ! mkmimo  non-existent-input \> >non-existent-output || false
    ! mkmimo <non-existent-input \>  non-existent-output || false
}

@test "exits with non-zero status when an input goes wrong" {
    mkprocs -n 1 -O inputs-normal.%s           yes "$(random_records 4096~2048 10)"
    # FIXME can't make this generate read(2) error in mkmimo side
    mkprocs -n 2 -O inputs-selfdestruction.%s  bash -c 'timeout -s QUIT 1.$RANDOM yes'
    timeout 3s bash -c '! mkmimo inputs-* \> /dev/null || false'
}

@test "exits with non-zero status when an output goes wrong" {
    n=10000
    mkprocs -n 1 -O outputs-normal.%s           dd of=/dev/null
    # FIXME can't make this generate read(2) error in mkmimo side
    mkprocs -n 2 -O outputs-selfdestruction.%s  bash -c 'head >/dev/null; date; sleep 1.$RANDOM; date; kill -KILL $$'
    # mkmimo should return non-zero exit status here and stop early
    timeout 3s bash -c '! mkmimo <(yes "$(random_records 4096~2048 10)") \> outputs-* || false'
}