hack/make/.test-integration-flaky

#!/usr/bin/env bash

# The test-diff functions require validate_diff from hack/validate/.validate
# before they are called.

added_tests() {
	validate_diff --diff-filter=ACMR --unified=0 -- 'integration/*_test.go' \
		| grep -E '^(\+func Test)(.*)(\*testing\.T\))' \
		| sed -E 's/^\+func (Test[A-Za-z0-9_]*).*/\1/' \
		|| true
}

changed_tests() {
	validate_diff --diff-filter=ACMR --function-context -- 'integration/*_test.go' \
		| grep -E '^ func Test[A-Za-z0-9_]*\(.*\*testing\.T\)' \
		| sed -E 's/^ func (Test[A-Za-z0-9_]*).*/\1/' \
		|| true
}

# explicit_tests emits extra test names appended via the /flaky-check=TestA,TestB
# directive in the PR body.  CI extracts that directive with flaky_check_tests
# and passes it here as the FLAKY_EXTRA_TESTS variable.
explicit_tests() {
	if [ -n "${FLAKY_EXTRA_TESTS-}" ]; then
		echo "$FLAKY_EXTRA_TESTS" | tr ',' '\n'
	fi
}

flaky_check_tests() {
	printf '%s\n' "${PR_BODY-}" \
		| tr -d '\r' \
		| grep -oEm1 '^/flaky-check=Test[A-Za-z0-9_]+(,Test[A-Za-z0-9_]+)*$' \
		| sed 's|^/flaky-check=||' \
		|| true
}

integration_flaky_tests() {
	{
		added_tests
		changed_tests
		explicit_tests
	} | sort -u
}

# integration_flaky_test_filter joins the selected test names into a
# -test.run filter such as TestA|TestB. Empty when no tests are selected.
integration_flaky_test_filter() {
	integration_flaky_tests | tr '\n' '|' | sed 's/|$//'
}