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Make dependencies transitive/inherited

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This commit is contained in:
Francois Laupretre 2018-05-21 14:59:00 +02:00
parent ac619feb58
commit 3e28a098ad
2 changed files with 18 additions and 11 deletions
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16
README.md
View File

@ -195,14 +195,14 @@ same name to different tests,
### Test dependencies
Some tests may have one or more tests as pre-requisites, meaning that tests
are irrelevant if the pre-requisites fail. A common case is test A checking that a
given service is running, while test B and C use this service to retrieve more
information. If service is not running, we know for sure that test B and C will
fail. In order to avoid a bunch of errors when such dependency exists, you can
instruct bash to skip test B and C if A fails.
are irrelevant if the pre-requisites fail. A common case is test A checking that
service 'foo' is running, while test B and C use this service to retrieve more
information. If service 'foo' is not running, we know for sure that tests B and C will
fail. In such cases, readability is much better if we display test A as failed
and tests B and C as skipped.
In order to implement such a dependency, you will use the 'bats_test_succeeds()'
function. This function returns true (0) if all its argument every test names
function. This function returns true (0) if all the test names given as arguments
succeeded, and false if any of them failed.
Example:
@ -227,12 +227,14 @@ Example:
Notes:
* You cannot define cross-file dependencies. The test(s) you refer too must
* You cannot define cross-file dependencies. The test(s) you refer to must
be located in the same test file.
* As tests are executed in the order they appear in the file, you can only depend
on tests that appear in the test file BEFORE/ABOVE the current test. If this is
not the case, a warning message is issued on stderr and the parent test is
supposed to be successful (depending test will run).
* Dependencies are transitive/inherited. If a test depends on a test skipped for any reason,
it will be skipped too, along with its descendants.
* You need to set explicit names for the tests you want to create dependencies on.
### `setup` and `teardown`: Pre- and post-test hooks

13
libexec/bats-exec-test
View File

@ -241,7 +241,7 @@ bats_teardown_trap() {
}
bats_exit_trap() {
local status
local status # Exit code: 0=OK, 1=error, 2=skipped
local skipped
trap - err exit
@ -262,6 +262,7 @@ bats_exit_trap() {
else
echo "ok ${BATS_TEST_NUMBER}${skipped} ${BATS_TEST_DESCRIPTION}" >&3
status=0
[ -n "$BATS_TEST_SKIPPED" ] && status=2
fi
rm -f "$BATS_OUT"
@ -290,7 +291,7 @@ bats_test_succeeds() {
if [ -z $status ] ; then
echo "Warning: $name: Cannot check status as test didn't run yet" >&2
else
let ret+=$status
[ $status = 0 ] && ret=1
fi
fi
done
@ -299,15 +300,19 @@ bats_test_succeeds() {
}
bats_perform_tests() {
local ret status test_number test_name
ret=0
echo "1..$#"
test_number=1
status=0
for test_name in "$@"; do
"$0" $BATS_EXTENDED_SYNTAX "$BATS_TEST_FILENAME" "$test_name" "$test_number" || status=1
"$0" $BATS_EXTENDED_SYNTAX "$BATS_TEST_FILENAME" "$test_name" "$test_number" || status=$?
[ $status = 1 ] && ret=1 # Skip -> OK
BATS_TEST_RESULTS[$test_number]=$status
let test_number+=1
done
exit "$status"
exit "$ret"
}
bats_perform_test() {