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The `((x++))` syntax is shorthand for `let x++`. According to `help let`:
If the last ARG evaluates to 0, let returns 1; 0 is returned
otherwise.
Thus the exit status of the expression `x=0; let x++` is 1, since the post-increment `++` operator evaluates to the value of the variable before incrementing.
In Bash 4, this non-zero exit status properly triggers `set -e`'s error trap, but in Bash 3 it does not. That's why the tests were passing on OS X (Bash 3) but not Linux (Bash 4).
We can work around the problem by choosing an incrementation expression that never evaluates to 0, such as `+=` or the pre-increment `++` operator. For consistency and clarity, I've changed to `x+=1` everywhere.
Ref. #25, #27
141 lines
2.7 KiB
Bash
Executable File
141 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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version() {
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echo "Bats 0.3.1"
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}
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usage() {
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version
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echo "Usage: bats [-c] [-p | -t] <test> [<test> ...]"
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}
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help() {
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usage
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echo
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echo " <test> is the path to a Bats test file, or the path to a directory"
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echo " containing Bats test files."
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echo
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echo " -c, --count Count the number of test cases without running any tests"
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echo " -h, --help Display this help message"
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echo " -p, --pretty Show results in pretty format (default for terminals)"
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echo " -t, --tap Show results in TAP format"
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echo " -v, --version Display the version number"
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echo
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echo " For more information, see https://github.com/sstephenson/bats"
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echo
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}
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resolve_link() {
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$(type -p greadlink readlink | head -1) "$1"
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}
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abs_dirname() {
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local cwd="$(pwd)"
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local path="$1"
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while [ -n "$path" ]; do
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cd "${path%/*}"
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local name="${path##*/}"
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path="$(resolve_link "$name" || true)"
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done
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pwd
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cd "$cwd"
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}
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expand_path() {
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{ cd "$(dirname "$1")" 2>/dev/null
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local dirname="$PWD"
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cd "$OLDPWD"
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echo "$dirname/$(basename "$1")"
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} || echo "$1"
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}
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BATS_LIBEXEC="$(abs_dirname "$0")"
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export BATS_PREFIX="$(abs_dirname "$BATS_LIBEXEC")"
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export PATH="$BATS_LIBEXEC:$PATH"
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options=()
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arguments=()
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for arg in "$@"; do
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if [ "${arg:0:1}" = "-" ]; then
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if [ "${arg:1:1}" = "-" ]; then
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options[${#options[*]}]="${arg:2}"
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else
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index=1
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while option="${arg:$index:1}"; do
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[ -n "$option" ] || break
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options[${#options[*]}]="$option"
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let index+=1
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done
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fi
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else
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arguments[${#arguments[*]}]="$arg"
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fi
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done
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unset count_flag pretty
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[ -t 0 ] && [ -t 1 ] && pretty="1"
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for option in "${options[@]}"; do
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case "$option" in
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"h" | "help" )
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help
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exit 0
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;;
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"v" | "version" )
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version
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exit 0
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;;
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"c" | "count" )
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count_flag="-c"
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;;
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"t" | "tap" )
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pretty=""
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;;
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"p" | "pretty" )
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pretty="1"
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;;
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* )
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usage >&2
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exit 1
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;;
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esac
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done
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if [ "${#arguments[@]}" -eq 0 ]; then
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usage >&2
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exit 1
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fi
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filenames=()
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for filename in "${arguments[@]}"; do
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if [ -d "$filename" ]; then
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shopt -s nullglob
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for suite_filename in "$(expand_path "$filename")"/*.bats; do
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filenames["${#filenames[@]}"]="$suite_filename"
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done
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shopt -u nullglob
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else
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filenames["${#filenames[@]}"]="$(expand_path "$filename")"
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fi
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done
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if [ "${#filenames[@]}" -eq 1 ]; then
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command="bats-exec-test"
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else
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command="bats-exec-suite"
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fi
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if [ -n "$pretty" ]; then
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extended_syntax_flag="-x"
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formatter="bats-format-tap-stream"
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else
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extended_syntax_flag=""
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formatter="cat"
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fi
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set -o pipefail execfail
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exec "$command" $count_flag $extended_syntax_flag "${filenames[@]}" | "$formatter"
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