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trap.bats
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#!/usr/bin/env bats
bats_load_library bats-support
bats_load_library bats-assert
setup_file() {
bats_require_minimum_version 1.5.0
}
@test 'trap is run on signal' {
assert_equal "$(bash -ec "source $BATS_TEST_DIRNAME/trap.sh
trap_append \"echo 'USR2 signal received'\" USR2
kill -s USR2 \$BASHPID
")" 'USR2 signal received'
}
@test 'trap removal works' {
assert_equal "$(bash -ec "source $BATS_TEST_DIRNAME/trap.sh
trap_append \"echo 'cmd to remove'\" USR2
p=\$TRAP_POINTER
trap_append \"echo 'USR2 signal received'\" USR2
trap_remove \$p
kill -s USR2 \$BASHPID
")" 'USR2 signal received'
}
@test 'only commands for specific signal are run' {
assert_equal "$(bash -ec "source $BATS_TEST_DIRNAME/trap.sh
trap_append \"echo 'USR1 signal received'\" USR1
trap_append \"echo 'USR2 signal received'\" USR2
kill -s USR2 \$BASHPID
")" 'USR2 signal received'
}
@test 'commands run in order' {
assert_equal "$(bash -ec "source $BATS_TEST_DIRNAME/trap.sh
trap_append \"echo 'cmd to remove'\" USR2
p=\$TRAP_POINTER
trap_append \"echo 'USR2 signal received'\" USR2
trap_remove \$p
trap_append \"echo 'last command'\" USR2
kill -s USR2 \$BASHPID
")" 'USR2 signal received
last command'
}
@test 'subshells are isolated' {
assert_equal "$(bash -ec "source $BATS_TEST_DIRNAME/trap.sh
trap_append \"echo 'should not run'\" USR2
(
trap_append \"echo 'USR2 signal received'\" USR2
kill -s USR2 \$BASHPID
)
")" 'USR2 signal received'
}
@test 'trap_prepend works' {
assert_equal "$(bash -ec "source $BATS_TEST_DIRNAME/trap.sh
trap_append \"echo 'should run third'\" USR2
trap_prepend \"echo 'should run second'\" USR2
trap_append \"echo 'should run last'\" USR2
trap_prepend \"echo 'should run first'\" USR2
kill -s USR2 \$BASHPID
")" $'should run first\nshould run second\nshould run third\nshould run last'
}
@test 'trap_remove removes from the right array' {
assert_equal "$(bash -ec "source $BATS_TEST_DIRNAME/trap.sh
trap_append \"echo 'should not run'\" USR2
trap_remove \$TRAP_POINTER
trap_prepend \"echo 'should not run'\" USR2
trap_remove \$TRAP_POINTER
kill -s USR2 \$BASHPID
")" ''
}
@test 'trap_remove removes correct entry in array' {
assert_equal "$(bash -ec "source $BATS_TEST_DIRNAME/trap.sh
trap_append \"echo 'should not run'\" USR2
trap1=\$TRAP_POINTER
trap_append \"echo 'should run'\" USR2
trap_remove \$trap1
trap_append \"echo 'should not run either'\" USR2
trap_remove \$TRAP_POINTER
kill -s USR2 \$BASHPID
")" 'should run'
}