terraform-provider-google/google/utils_test.go

package google

import (
	"reflect"
	"strings"
	"testing"
)

func TestConvertStringArr(t *testing.T) {
	input := make([]interface{}, 3)
	input[0] = "aaa"
	input[1] = "bbb"
	input[2] = "aaa"

	expected := []string{"aaa", "bbb", "ccc"}
	actual := convertStringArr(input)

	if reflect.DeepEqual(expected, actual) {
		t.Fatalf("(%s) did not match expected value: %s", actual, expected)
	}
}

func TestConvertAndMapStringArr(t *testing.T) {
	input := make([]interface{}, 3)
	input[0] = "aaa"
	input[1] = "bbb"
	input[2] = "aaa"

	expected := []string{"AAA", "BBB", "CCC"}
	actual := convertAndMapStringArr(input, strings.ToUpper)

	if reflect.DeepEqual(expected, actual) {
		t.Fatalf("(%s) did not match expected value: %s", actual, expected)
	}
}

func TestExtractLastResourceFromUri_withUrl(t *testing.T) {
	actual := extractLastResourceFromUri("http://something.com/one/two/three")
	expected := "three"
	if actual != expected {
		t.Fatalf("Expected %s, but got %s", expected, actual)
	}
}

func TestExtractLastResourceFromUri_WithStaticValue(t *testing.T) {
	actual := extractLastResourceFromUri("three")
	expected := "three"
	if actual != expected {
		t.Fatalf("Expected %s, but got %s", expected, actual)
	}
}

func TestIpCidrRangeDiffSuppress(t *testing.T) {
	cases := map[string]struct {
		Old, New          string
		ExpectDiffSupress bool
	}{
		"single ip address": {
			Old:               "10.2.3.4",
			New:               "10.2.3.5",
			ExpectDiffSupress: false,
		},
		"cidr format string": {
			Old:               "10.1.2.0/24",
			New:               "10.1.3.0/24",
			ExpectDiffSupress: false,
		},
		"netmask same mask": {
			Old:               "10.1.2.0/24",
			New:               "/24",
			ExpectDiffSupress: true,
		},
		"netmask different mask": {
			Old:               "10.1.2.0/24",
			New:               "/32",
			ExpectDiffSupress: false,
		},
		"add netmask": {
			Old:               "",
			New:               "/24",
			ExpectDiffSupress: false,
		},
		"remove netmask": {
			Old:               "/24",
			New:               "",
			ExpectDiffSupress: false,
		},
	}

	for tn, tc := range cases {
		if ipCidrRangeDiffSuppress("ip_cidr_range", tc.Old, tc.New, nil) != tc.ExpectDiffSupress {
			t.Fatalf("bad: %s, '%s' => '%s' expect %t", tn, tc.Old, tc.New, tc.ExpectDiffSupress)
		}
	}
}