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homebox/backend/pkgs/faker/randoms_test.go

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package faker
import (
"testing"
)
const Loops = 500
func ValidateUnique(values []string) bool {
for i := 0; i < len(values); i++ {
for j := i + 1; j < len(values); j++ {
if values[i] == values[j] {
return false
}
}
}
return true
}
func Test_GetRandomString(t *testing.T) {
t.Parallel()
// Test that the function returns a string of the correct length
generated := make([]string, Loops)
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faker := NewFaker()
for i := 0; i < Loops; i++ {
generated[i] = faker.Str(10)
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}
if !ValidateUnique(generated) {
t.Error("Generated values are not unique")
}
}
func Test_GetRandomEmail(t *testing.T) {
t.Parallel()
// Test that the function returns a string of the correct length
generated := make([]string, Loops)
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faker := NewFaker()
for i := 0; i < Loops; i++ {
generated[i] = faker.Email()
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}
if !ValidateUnique(generated) {
t.Error("Generated values are not unique")
}
}
func Test_GetRandomBool(t *testing.T) {
t.Parallel()
trues := 0
falses := 0
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faker := NewFaker()
for i := 0; i < Loops; i++ {
if faker.Bool() {
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trues++
} else {
falses++
}
}
if trues == 0 || falses == 0 {
t.Error("Generated boolean don't appear random")
}
}
func Test_RandomNumber(t *testing.T) {
t.Parallel()
f := NewFaker()
const MIN = 0
const MAX = 100
last := MIN - 1
for i := 0; i < Loops; i++ {
n := f.Num(MIN, MAX)
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if n == last {
t.Errorf("RandomNumber() failed to generate unique number")
}
if n < MIN || n > MAX {
t.Errorf("RandomNumber() failed to generate a number between %v and %v", MIN, MAX)
}
}
}