package utils

import (
    "testing"
    "os"
    "os/user"
)

func TestPathExpansion(t *testing.T) {

    user, _ := user.Current()

    tests := map[string]string {
        "/home/someuser/tmp": "/home/someuser/tmp",
        "~/tmp": user.HomeDir + "/tmp",
        "$DDDXXX/a/b": "/tmp/a/b",
        "/a/b/": "/a/b",
    }

    os.Setenv("DDDXXX", "/tmp")

    for test, expected := range tests {
        got := expandPath(test)
        if got != expected {
            t.Errorf("test %s, got %s, expected %s\n", test, got, expected)
        }
    }
}