package cmds

import (
	"os"
	"testing"
)

func TestCd(t *testing.T) {
	Eval("cd /tmp")
	d, _ := os.Getwd()

	if d != "/tmp" {
		t.Errorf("Expected %q, got %q\n", "/tmp", d)
	}
}

func TestCdFail(t *testing.T) {
	c, _ := os.Getwd()
	err := Eval("cd /root")
	t.Logf("%v\n", err)

	d, _ := os.Getwd()
	if c != d || err == nil {
		t.Errorf("Expected %q, got %q\n", c, d)
	}
}

func TestExport(t *testing.T) {
	err := Eval("export TEST=true")
	test := os.Getenv("TEST")

	if err != nil {
		t.Errorf("%v\n", err)
	}
	if test != "true" {
		t.Errorf("Expected %q, got %q\n", "true", test)
	}
}

func TestExportFail(t *testing.T) {
	err := Eval("export TEST = 123")
	if err == nil {
		t.Errorf("Didn't get error\n")
	}
	t.Logf("%v\n", err)
}

func TestUnset(t *testing.T) {
	err := Eval("unset TEST")
	test := os.Getenv("TEST")

	if err != nil {
		t.Logf("%v\n", err)
	}
	if test != "" {
		t.Errorf("Expected empty string, got %q\n", test)
	}
}

func TestExitFail(t *testing.T) {
	err := Eval("exit abc")

	if err == nil {
		t.Errorf("Didn't get error\n")
	}
	t.Logf("%v\n", err)
}