Fix broken tests

test/pyenv.bats

@@ -0,0 +1,47 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+@test "blank invocation" {
+  run pyenv
+  assert_success
+  assert [ "${lines[0]}" == "pyenv 0.4.0-20131217" ]
+}
+
+@test "invalid command" {
+  run pyenv does-not-exist
+  assert_failure
+  assert_output "pyenv: no such command \`does-not-exist'"
+}
+
+@test "default PYENV_ROOT" {
+  PYENV_ROOT="" HOME=/home/mislav run pyenv root
+  assert_success
+  assert_output "/home/mislav/.pyenv"
+}
+
+@test "inherited PYENV_ROOT" {
+  PYENV_ROOT=/opt/pyenv run pyenv root
+  assert_success
+  assert_output "/opt/pyenv"
+}
+
+@test "default PYENV_DIR" {
+  run pyenv echo PYENV_DIR
+  assert_output "$(pwd)"
+}
+
+@test "inherited PYENV_DIR" {
+  dir="${BATS_TMPDIR}/myproject"
+  mkdir -p "$dir"
+  PYENV_DIR="$dir" run pyenv echo PYENV_DIR
+  assert_output "$dir"
+}
+
+@test "invalid PYENV_DIR" {
+  dir="${BATS_TMPDIR}/does-not-exist"
+  assert [ ! -d "$dir" ]
+  PYENV_DIR="$dir" run pyenv echo PYENV_DIR
+  assert_failure
+  assert_output "pyenv: cannot change working directory to \`$dir'"
+}