tests

tests/bats/bats-core/test/test_helper.bash

@@ -0,0 +1,73 @@
+emulate_bats_env() {
+  export BATS_CWD="$PWD"
+  export BATS_TEST_FILTER=
+  export BATS_ROOT_PID=$$
+  export BATS_RUN_TMPDIR
+  BATS_RUN_TMPDIR=$(mktemp -d "${BATS_RUN_TMPDIR}/emulated-tmpdir-${BATS_ROOT_PID}-XXXXXX")
+  REENTRANT_RUN_PRESERVE+=(BATS_CWD BATS_TEST_FILTER BATS_ROOT_PID BATS_RUN_TMPDIR)
+  export BATS_LINE_REFERENCE_FORMAT=comma_line
+  export BATS_BEGIN_CODE_QUOTE='`'
+  export BATS_END_CODE_QUOTE="'"
+  export BATS_CODE_QUOTE_STYLE="\`'"
+}
+
+fixtures() {
+  FIXTURE_ROOT="$BATS_TEST_DIRNAME/fixtures/$1"
+  # shellcheck disable=SC2034
+  RELATIVE_FIXTURE_ROOT="${FIXTURE_ROOT#"$BATS_CWD"/}"
+}
+
+filter_control_sequences() {
+  local status=0
+  "$@" | sed $'s,\x1b\\[[0-9;]*[a-zA-Z],,g' || status=$?
+  return "$status"
+}
+
+if ! command -v tput >/dev/null; then
+  tput() {
+    printf '1000\n'
+  }
+  export -f tput
+fi
+
+emit_debug_output() {
+  # shellcheck disable=SC2154
+  printf '%s\n' 'output:' "$output" >&2
+}
+
+execute_with_unset_bats_vars() { # <command to execute...>
+  for var_to_delete in "${!BATS_@}"; do
+    for var_to_exclude in "${REENTRANT_RUN_PRESERVE[@]-}"; do
+      # is this var excluded -> skip unset
+      if [[ $var_to_delete == "$var_to_exclude" ]]; then
+        continue 2
+      fi
+    done
+    unset "$var_to_delete"
+  done
+  "$@"
+}
+
+REENTRANT_RUN_PRESERVE+=(BATS_SAVED_PATH BATS_ROOT BATS_TEST_TAGS BATS_PARALLEL_BINARY_NAME BATS_LIBDIR)
+
+# call run with all BATS_* variables purged from the environment
+reentrant_run() { # <same args as run>
+  # take up all args to run except the command,
+  # to avoid having to deal with empty arrays in Bash 3
+  local -a pre_command_args=()
+
+  # remove all flags to run to leave the command in $@
+  while [[ $1 == -* || $1 == ! ]]; do
+    pre_command_args+=("$1")
+    if [[ "$1" == -- ]]; then
+      shift
+      break
+    fi
+    shift
+  done
+
+  # put that here to ensure Bash 3 won't have to deal with empty pre_command_args
+  pre_command_args+=(execute_with_unset_bats_vars)
+
+  run "${pre_command_args[@]}" "$@"
+}