rbenv/test/exec.bats
Mislav Marohnić dcba8b4064 Supply head -n flag explicitly
The syntax `head -NUM` was deprecated in the POSIX standard.
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/head.html
2021-05-05 22:42:56 +02:00

109 lines
2.3 KiB
Bash

#!/usr/bin/env bats
load test_helper
create_executable() {
name="${1?}"
shift 1
bin="${RBENV_ROOT}/versions/${RBENV_VERSION}/bin"
mkdir -p "$bin"
{ if [ $# -eq 0 ]; then cat -
else echo "$@"
fi
} | sed -Ee '1s/^ +//' > "${bin}/$name"
chmod +x "${bin}/$name"
}
@test "fails with invalid version" {
export RBENV_VERSION="2.0"
run rbenv-exec ruby -v
assert_failure "rbenv: version \`2.0' is not installed (set by RBENV_VERSION environment variable)"
}
@test "fails with invalid version set from file" {
mkdir -p "$RBENV_TEST_DIR"
cd "$RBENV_TEST_DIR"
echo 1.9 > .ruby-version
run rbenv-exec rspec
assert_failure "rbenv: version \`1.9' is not installed (set by $PWD/.ruby-version)"
}
@test "completes with names of executables" {
export RBENV_VERSION="2.0"
create_executable "ruby" "#!/bin/sh"
create_executable "rake" "#!/bin/sh"
rbenv-rehash
run rbenv-completions exec
assert_success
assert_output <<OUT
--help
rake
ruby
OUT
}
@test "carries original IFS within hooks" {
create_hook exec hello.bash <<SH
hellos=(\$(printf "hello\\tugly world\\nagain"))
echo HELLO="\$(printf ":%s" "\${hellos[@]}")"
SH
export RBENV_VERSION=system
IFS=$' \t\n' run rbenv-exec env
assert_success
assert_line "HELLO=:hello:ugly:world:again"
}
@test "forwards all arguments" {
export RBENV_VERSION="2.0"
create_executable "ruby" <<SH
#!$BASH
echo \$0
for arg; do
# hack to avoid bash builtin echo which can't output '-e'
printf " %s\\n" "\$arg"
done
SH
run rbenv-exec ruby -w "/path to/ruby script.rb" -- extra args
assert_success
assert_output <<OUT
${RBENV_ROOT}/versions/2.0/bin/ruby
-w
/path to/ruby script.rb
--
extra
args
OUT
}
@test "supports ruby -S <cmd>" {
export RBENV_VERSION="2.0"
# emulate `ruby -S' behavior
create_executable "ruby" <<SH
#!$BASH
if [[ \$1 == "-S"* ]]; then
found="\$(PATH="\${RUBYPATH:-\$PATH}" which \$2)"
# assert that the found executable has ruby for shebang
if head -n1 "\$found" | grep ruby >/dev/null; then
\$BASH "\$found"
else
echo "ruby: no Ruby script found in input (LoadError)" >&2
exit 1
fi
else
echo 'ruby 2.0 (rbenv test)'
fi
SH
create_executable "rake" <<SH
#!/usr/bin/env ruby
echo hello rake
SH
rbenv-rehash
run ruby -S rake
assert_success "hello rake"
}