protoc-gen-go-micro/vendor/github.com/aokoli/goutils/randomstringutils_test.go

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2016-12-15 12:03:02 +01:00
package goutils
import (
"testing"
"fmt"
"math/rand"
)
// ****************************** TESTS ********************************************
func TestRandomSeed(t *testing.T) {
// count, start, end, letters, numbers := 5, 0, 0, true, true
random := rand.New(rand.NewSource(10))
out := "3ip9v"
// Test 1: Simulating RandomAlphaNumeric(count int)
if x, _ := RandomSeed (5, 0, 0, true, true, nil, random); x != out {
t.Errorf("RandomSeed(%v, %v, %v, %v, %v, %v, %v) = %v, want %v", 5, 0, 0, true, true, nil, random, x, out)
}
// Test 2: Simulating RandomAlphabetic(count int)
out = "MBrbj"
if x, _ := RandomSeed (5, 0, 0, true, false, nil, random); x != out {
t.Errorf("RandomSeed(%v, %v, %v, %v, %v, %v, %v) = %v, want %v", 5, 0, 0, true, false, nil, random, x, out)
}
// Test 3: Simulating RandomNumeric(count int)
out = "88935"
if x, _ := RandomSeed (5, 0, 0, false, true, nil, random); x != out {
t.Errorf("RandomSeed(%v, %v, %v, %v, %v, %v, %v) = %v, want %v", 5, 0, 0, false, true, nil, random, x, out)
}
// Test 4: Simulating RandomAscii(count int)
out = "H_I;E"
if x, _ := RandomSeed (5, 32, 127, false, false, nil, random); x != out {
t.Errorf("RandomSeed(%v, %v, %v, %v, %v, %v, %v) = %v, want %v", 5, 32, 127, false, false, nil, random, x, out)
}
// Test 5: Simulating RandomSeed(...) with custom chars
chars := []rune {'1','2','3','a','b','c'}
out = "2b2ca"
if x, _ := RandomSeed (5, 0, 0, false, false, chars, random); x != out {
t.Errorf("RandomSeed(%v, %v, %v, %v, %v, %v, %v) = %v, want %v", 5, 0, 0, false, false, chars, random, x, out)
}
}
// ****************************** EXAMPLES ********************************************
func ExampleRandomSeed() {
var seed int64 = 10 // If you change this seed #, the random sequence below will change
random := rand.New(rand.NewSource(seed))
chars := []rune {'1','2','3','a','b','c'}
rand1, _ := RandomSeed (5, 0, 0, true, true, nil, random) // RandomAlphaNumeric (Alphabets and numbers possible)
rand2, _ := RandomSeed (5, 0, 0, true, false, nil, random) // RandomAlphabetic (Only alphabets)
rand3, _ := RandomSeed (5, 0, 0, false, true, nil, random) // RandomNumeric (Only numbers)
rand4, _ := RandomSeed (5, 32, 127, false, false, nil, random) // RandomAscii (Alphabets, numbers, and other ASCII chars)
rand5, _ := RandomSeed (5, 0, 0, true, true, chars, random) // RandomSeed with custom characters
fmt.Println(rand1)
fmt.Println(rand2)
fmt.Println(rand3)
fmt.Println(rand4)
fmt.Println(rand5)
// Output:
// 3ip9v
// MBrbj
// 88935
// H_I;E
// 2b2ca
}