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string_test.go
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string_test.go
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package gofakeit
import (
"fmt"
"testing"
"unicode"
)
func ExampleLetter() {
Seed(11)
fmt.Println(Letter())
// Output: g
}
func ExampleFaker_Letter() {
f := New(11)
fmt.Println(f.Letter())
// Output: g
}
func BenchmarkLetter(b *testing.B) {
Seed(11)
for i := 0; i < b.N; i++ {
Letter()
}
}
func TestLetterN(t *testing.T) {
if len(LetterN(0)) != 1 {
t.Errorf("expected length %d but did not get that number", 1)
}
var dataSize uint = 10
data := LetterN(dataSize)
if len(data) != int(dataSize) {
t.Errorf("expected length %d but got %d", dataSize, len(data))
}
for i := 0; i < len(data); i++ {
if data[i] > unicode.MaxASCII {
t.Errorf("non ascii char %s found at index %d", string(data[i]), i)
}
}
}
func ExampleLetterN() {
Seed(11)
fmt.Println(LetterN(10))
// Output: gbRMaRxHki
}
func ExampleFaker_LetterN() {
f := New(11)
fmt.Println(f.LetterN(10))
// Output: gbRMaRxHki
}
func BenchmarkLetterN(b *testing.B) {
Seed(11)
for i := 0; i < b.N; i++ {
LetterN(10)
}
}
func ExampleVowel() {
Seed(11)
fmt.Println(Vowel())
// Output: a
}
func ExampleFaker_Vowel() {
f := New(11)
fmt.Println(f.Vowel())
// Output: a
}
func BenchmarkVowel(b *testing.B) {
Seed(11)
for i := 0; i < b.N; i++ {
Vowel()
}
}
func ExampleDigit() {
Seed(11)
fmt.Println(Digit())
// Output: 0
}
func ExampleFaker_Digit() {
f := New(11)
fmt.Println(f.Digit())
// Output: 0
}
func BenchmarkDigit(b *testing.B) {
Seed(11)
for i := 0; i < b.N; i++ {
Digit()
}
}
func TestDigitN(t *testing.T) {
if len(DigitN(0)) != 1 {
t.Errorf("expected length %d but did not get that number", 1)
}
var dataSize uint = 10
data := DigitN(dataSize)
if len(data) != int(dataSize) {
t.Errorf("expected length %d but got %d", dataSize, len(data))
}
for i := 0; i < len(data); i++ {
val := int(data[i] - '0')
if val < 0 || 9 < val {
t.Errorf("non digit %s found at index %d", string(data[i]), i)
}
}
}
func ExampleDigitN() {
Seed(11)
fmt.Println(DigitN(10))
// Output: 0136459948
}
func ExampleFaker_DigitN() {
f := New(11)
fmt.Println(f.DigitN(10))
// Output: 0136459948
}
func BenchmarkDigitN(b *testing.B) {
Seed(11)
for i := 0; i < b.N; i++ {
DigitN(10)
}
}
func ExampleNumerify() {
Seed(11)
fmt.Println(Numerify("###-###-####"))
// Output: 613-645-9948
}
func ExampleFaker_Numerify() {
f := New(11)
fmt.Println(f.Numerify("###-###-####"))
// Output: 613-645-9948
}
func BenchmarkNumerify(b *testing.B) {
for i := 0; i < b.N; i++ {
Numerify("###-###-####")
}
}
func ExampleLexify() {
Seed(11)
fmt.Println(Lexify("?????"))
// Output: gbRMa
}
func ExampleFaker_Lexify() {
f := New(11)
fmt.Println(f.Lexify("?????"))
// Output: gbRMa
}
func BenchmarkLexify(b *testing.B) {
for i := 0; i < b.N; i++ {
Lexify("??????")
}
}
func ExampleShuffleStrings() {
Seed(11)
strings := []string{"happy", "times", "for", "everyone", "have", "a", "good", "day"}
ShuffleStrings(strings)
fmt.Println(strings)
// Output: [good everyone have for times a day happy]
}
func ExampleFaker_ShuffleStrings() {
f := New(11)
strings := []string{"happy", "times", "for", "everyone", "have", "a", "good", "day"}
f.ShuffleStrings(strings)
fmt.Println(strings)
// Output: [good everyone have for times a day happy]
}
func TestShuffleStrings(t *testing.T) {
ShuffleStrings([]string{"a"})
ShuffleStrings(nil)
a := []string{"a", "b", "c", "d", "e", "f", "g", "h"}
b := make([]string, len(a))
copy(b, a)
ShuffleStrings(a)
if equalSliceString(a, b) {
t.Errorf("shuffle resulted in the same permutation, the odds are slim")
}
}
func BenchmarkShuffleStrings(b *testing.B) {
Seed(11)
for i := 0; i < b.N; i++ {
ShuffleStrings([]string{"happy", "times", "for", "everyone", "have", "a", "good", "day"})
}
}
func ExampleRandomString() {
Seed(11)
fmt.Println(RandomString([]string{"hello", "world"}))
// Output: hello
}
func ExampleFaker_RandomString() {
f := New(11)
fmt.Println(f.RandomString([]string{"hello", "world"}))
// Output: hello
}
func TestRandomString(t *testing.T) {
for _, test := range []struct {
in []string
should string
}{
{[]string{}, ""},
{nil, ""},
{[]string{"a"}, "a"},
{[]string{"a", "b", "c", "d", "e", "f"}, "f"},
} {
Seed(44)
got := RandomString(test.in)
if got == test.should {
continue
}
t.Errorf("for '%v' should '%s' got '%s'",
test.in, test.should, got)
}
}
func BenchmarkRandomString(b *testing.B) {
for i := 0; i < b.N; i++ {
RandomString([]string{"hello", "world"})
}
}