pyenv/test/exec.bats

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#!/usr/bin/env bats
load test_helper
create_executable() {
name="${1?}"
shift 1
bin="${PYENV_ROOT}/versions/${PYENV_VERSION}/bin"
mkdir -p "$bin"
{ if [ $# -eq 0 ]; then cat -
else echo "$@"
fi
} | sed -Ee '1s/^ +//' > "${bin}/$name"
chmod +x "${bin}/$name"
}
@test "fails with invalid version" {
export PYENV_VERSION="3.4"
run pyenv-exec python -V
assert_failure "pyenv: version \`3.4' is not installed (set by PYENV_VERSION environment variable)"
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}
@test "fails with invalid version set from file" {
mkdir -p "$PYENV_TEST_DIR"
cd "$PYENV_TEST_DIR"
echo 2.7 > .python-version
run pyenv-exec rspec
assert_failure "pyenv: version \`2.7' is not installed (set by $PWD/.python-version)"
}
@test "completes with names of executables" {
export PYENV_VERSION="3.4"
create_executable "fab" "#!/bin/sh"
create_executable "python" "#!/bin/sh"
pyenv-rehash
run pyenv-completions exec
assert_success
assert_output <<OUT
--help
fab
python
OUT
}
@test "carries original IFS within hooks" {
create_hook exec hello.bash <<SH
hellos=(\$(printf "hello\\tugly world\\nagain"))
echo HELLO="\$(printf ":%s" "\${hellos[@]}")"
SH
export PYENV_VERSION=system
IFS=$' \t\n' run pyenv-exec env
assert_success
assert_line "HELLO=:hello:ugly:world:again"
}
@test "forwards all arguments" {
export PYENV_VERSION="3.4"
create_executable "python" <<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 pyenv-exec python -w "/path to/python script.rb" -- extra args
assert_success
assert_output <<OUT
${PYENV_ROOT}/versions/3.4/bin/python
-w
/path to/python script.rb
--
extra
args
OUT
}
@test "supports python -S <cmd>" {
export PYENV_VERSION="3.4"
# emulate `python -S' behavior
create_executable "python" <<SH
#!$BASH
if [[ \$1 == "-S"* ]]; then
found="\$(PATH="\${PYTHONPATH:-\$PATH}" which \$2)"
# assert that the found executable has python for shebang
if head -1 "\$found" | grep python >/dev/null; then
\$BASH "\$found"
else
echo "python: no Python script found in input (LoadError)" >&2
exit 1
fi
else
echo 'python 3.4 (pyenv test)'
fi
SH
create_executable "fab" <<SH
#!/usr/bin/env python
echo hello fab
SH
pyenv-rehash
run python -S fab
assert_success "hello fab"
}