package main

import (
	"os"
	"path/filepath"
	"testing"
)

func TestStrPadRight(t *testing.T) {

	type testCase struct {
		Expected string
		Output   string
		Name     string
	}

	cases := []testCase{
		{"", StrPadRight("", 0), "Zero-length no padding"},
		{"          ", StrPadRight("", 10), "Zero-length 10 padding"},
		{"string", StrPadRight("string", 0), "6-length 0 padding"},
	}

	for _, test := range cases {
		if test.Output != test.Expected {
			t.Errorf("Failed case: %s\nExpected %q Found %q", test.Name, test.Expected, test.Output)
		}
	}
}

func TestLoadHostfile(t *testing.T) {
	// Issue #39: This hosts file contains a duplicate. We should paper over it.
	os.Setenv("HOSTESS_PATH", filepath.Join("testdata", "issue39"))
	defer os.Unsetenv("HOSTESS_PATH")
	options := &Options{}

	if _, err := LoadHostfile(options); err != nil {
		t.Fatal(err)
	}
}