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validators_test.go
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validators_test.go
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package revel
import (
"fmt"
"reflect"
"regexp"
"strings"
"testing"
"time"
)
const (
errorsMessage = "validation for %s should not be satisfied with %s\n"
noErrorsMessage = "validation for %s should be satisfied with %s\n"
)
type Expect struct {
input interface{}
expectedResult bool
errorMessage string
}
func performTests(validator Validator, tests []Expect, t *testing.T) {
for _, test := range tests {
if validator.IsSatisfied(test.input) != test.expectedResult {
if test.expectedResult == false {
t.Errorf(errorsMessage, reflect.TypeOf(validator), test.errorMessage)
} else {
t.Errorf(noErrorsMessage, reflect.TypeOf(validator), test.errorMessage)
}
}
}
}
func TestRequired(t *testing.T) {
tests := []Expect{
Expect{nil, false, "nil data"},
Expect{"Testing", true, "non-empty string"},
Expect{"", false, "empty string"},
Expect{true, true, "true boolean"},
Expect{false, false, "false boolean"},
Expect{1, true, "positive integer"},
Expect{-1, true, "negative integer"},
Expect{0, false, "0 integer"},
Expect{time.Now(), true, "current time"},
Expect{time.Time{}, false, "a zero time"},
Expect{func() {}, true, "other non-nil data types"},
}
// testing both the struct and the helper method
for _, required := range []Required{Required{}, ValidRequired()} {
performTests(required, tests, t)
}
}
func TestMin(t *testing.T) {
tests := []Expect{
Expect{11, true, "val > min"},
Expect{10, true, "val == min"},
Expect{9, false, "val < min"},
Expect{true, false, "TypeOf(val) != int"},
}
for _, min := range []Min{Min{10}, ValidMin(10)} {
performTests(min, tests, t)
}
}
func TestMax(t *testing.T) {
tests := []Expect{
Expect{9, true, "val < max"},
Expect{10, true, "val == max"},
Expect{11, false, "val > max"},
Expect{true, false, "TypeOf(val) != int"},
}
for _, max := range []Max{Max{10}, ValidMax(10)} {
performTests(max, tests, t)
}
}
func TestRange(t *testing.T) {
tests := []Expect{
Expect{50, true, "min <= val <= max"},
Expect{10, true, "val == min"},
Expect{100, true, "val == max"},
Expect{9, false, "val < min"},
Expect{101, false, "val > max"},
}
goodValidators := []Range{
Range{Min{10}, Max{100}},
ValidRange(10, 100),
}
for _, rangeValidator := range goodValidators {
performTests(rangeValidator, tests, t)
}
tests = []Expect{
Expect{10, true, "min == val == max"},
Expect{9, false, "val < min && val < max && min == max"},
Expect{11, false, "val > min && val > max && min == max"},
}
goodValidators = []Range{
Range{Min{10}, Max{10}},
ValidRange(10, 10),
}
for _, rangeValidator := range goodValidators {
performTests(rangeValidator, tests, t)
}
tests = make([]Expect, 7)
for i, num := range []int{50, 100, 10, 9, 101, 0, -1} {
tests[i] = Expect{
num,
false,
"min > val < max",
}
}
// these are min/max with values swapped, so the min is the high
// and max is the low. rangeValidator.IsSatisfied() should ALWAYS
// result in false since val can never be greater than min and less
// than max when min > max
badValidators := []Range{
Range{Min{100}, Max{10}},
ValidRange(100, 10),
}
for _, rangeValidator := range badValidators {
performTests(rangeValidator, tests, t)
}
}
func TestMinSize(t *testing.T) {
greaterThanMessage := "len(val) >= min"
tests := []Expect{
Expect{"1", true, greaterThanMessage},
Expect{"12", true, greaterThanMessage},
Expect{[]int{1}, true, greaterThanMessage},
Expect{[]int{1, 2}, true, greaterThanMessage},
Expect{"", false, "len(val) <= min"},
Expect{[]int{}, false, "len(val) <= min"},
Expect{nil, false, "TypeOf(val) != string && TypeOf(val) != slice"},
}
for _, minSize := range []MinSize{MinSize{1}, ValidMinSize(1)} {
performTests(minSize, tests, t)
}
}
func TestMaxSize(t *testing.T) {
lessThanMessage := "len(val) <= max"
tests := []Expect{
Expect{"", true, lessThanMessage},
Expect{"12", true, lessThanMessage},
Expect{[]int{}, true, lessThanMessage},
Expect{[]int{1, 2}, true, lessThanMessage},
Expect{"123", false, "len(val) >= max"},
Expect{[]int{1, 2, 3}, false, "len(val) >= max"},
}
for _, maxSize := range []MaxSize{MaxSize{2}, ValidMaxSize(2)} {
performTests(maxSize, tests, t)
}
}
func TestLength(t *testing.T) {
tests := []Expect{
Expect{"12", true, "len(val) == length"},
Expect{[]int{1, 2}, true, "len(val) == length"},
Expect{"123", false, "len(val) > length"},
Expect{[]int{1, 2, 3}, false, "len(val) > length"},
Expect{"1", false, "len(val) < length"},
Expect{[]int{1}, false, "len(val) < length"},
Expect{nil, false, "TypeOf(val) != string && TypeOf(val) != slice"},
}
for _, length := range []Length{Length{2}, ValidLength(2)} {
performTests(length, tests, t)
}
}
func TestMatch(t *testing.T) {
tests := []Expect{
Expect{"bca123", true, `"[abc]{3}\d*" matches "bca123"`},
Expect{"bc123", false, `"[abc]{3}\d*" does not match "bc123"`},
Expect{"", false, `"[abc]{3}\d*" does not match ""`},
}
regex := regexp.MustCompile(`[abc]{3}\d*`)
for _, match := range []Match{Match{regex}, ValidMatch(regex)} {
performTests(match, tests, t)
}
}
func TestEmail(t *testing.T) {
// unicode char included
validStartingCharacters := strings.Split("!#$%^&*_+1234567890abcdefghijklmnopqrstuvwxyzñ", "")
invalidCharacters := strings.Split(" ()", "")
definiteInvalidDomains := []string{
"", // any empty string (x@)
".com", // only the TLD (x@.com)
".", // only the . (x@.)
".*", // TLD containing symbol (x@.*)
"asdf", // no TLD
"a!@#$%^&*()+_.com", // characters which are not ASCII/0-9/dash(-) in a domain
"-a.com", // host starting with any symbol
"a-.com", // host ending with any symbol
"aå.com", // domain containing unicode (however, unicode domains do exist in the state of xn--<POINT>.com e.g. å.com = xn--5ca.com)
}
for _, email := range []Email{Email{Match{emailPattern}}, ValidEmail()} {
var currentEmail string
// test invalid starting chars
for _, startingChar := range validStartingCharacters {
currentEmail = fmt.Sprintf("%sñbc+123@do-main.com", startingChar)
if email.IsSatisfied(currentEmail) {
t.Errorf(noErrorsMessage, "starting characters", fmt.Sprintf("email = %s", currentEmail))
}
// validation should fail because of multiple @ symbols
currentEmail = fmt.Sprintf("%s@ñbc+123@do-main.com", startingChar)
if email.IsSatisfied(currentEmail) {
t.Errorf(errorsMessage, "starting characters with multiple @ symbols", fmt.Sprintf("email = %s", currentEmail))
}
// should fail simply because of the invalid char
for _, invalidChar := range invalidCharacters {
currentEmail = fmt.Sprintf("%sñbc%s+123@do-main.com", startingChar, invalidChar)
if email.IsSatisfied(currentEmail) {
t.Errorf(errorsMessage, "invalid starting characters", fmt.Sprintf("email = %s", currentEmail))
}
}
}
// test invalid domains
for _, invalidDomain := range definiteInvalidDomains {
currentEmail = fmt.Sprintf("a@%s", invalidDomain)
if email.IsSatisfied(currentEmail) {
t.Errorf(errorsMessage, "invalid domain", fmt.Sprintf("email = %s", currentEmail))
}
}
// should always be satisfied
if !email.IsSatisfied("t0.est+email123@1abc0-def.com") {
t.Errorf(noErrorsMessage, "guaranteed valid email", fmt.Sprintf("email = %s", "t0.est+email123@1abc0-def.com"))
}
// should never be satisfied (this is redundant given the loops above)
if email.IsSatisfied("a@xcom") {
t.Errorf(noErrorsMessage, "guaranteed invalid email", fmt.Sprintf("email = %s", "a@xcom"))
}
if email.IsSatisfied("a@@x.com") {
t.Errorf(noErrorsMessage, "guaranteed invaild email", fmt.Sprintf("email = %s", "a@@x.com"))
}
}
}