Import tests from rbenv with sed -e s/rbenv/pyenv/g

test/global.bats

@@ -0,0 +1,31 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+@test "default" {
+  run pyenv global
+  assert_success
+  assert_output "system"
+}
+
+@test "read PYENV_ROOT/version" {
+  mkdir -p "$PYENV_ROOT"
+  echo "1.2.3" > "$PYENV_ROOT/version"
+  run pyenv-global
+  assert_success
+  assert_output "1.2.3"
+}
+
+@test "set PYENV_ROOT/version" {
+  mkdir -p "$PYENV_ROOT/versions/1.2.3"
+  run pyenv-global "1.2.3"
+  assert_success
+  run pyenv global
+  assert_success "1.2.3"
+}
+
+@test "fail setting invalid PYENV_ROOT/version" {
+  mkdir -p "$PYENV_ROOT"
+  run pyenv-global "1.2.3"
+  assert_failure "pyenv: version \`1.2.3' not installed"
+}