Solution: FizzBuzz in function

---

examples/fizzbuzz/fizzbuzz.go

package main

import (
    "fmt"
    "strconv"
)

func main() {
    for i:=1; i < 16; i++ {
        fmt.Println(fb(i))
    }
}

func fb(n int) string {
    resp := ""

    if n % 3 == 0 {
        resp += "Fizz"
    }
    if n % 5 == 0 {
        resp += "Buzz"
    }
    if resp == "" {
        resp = strconv.Itoa(n)
    }
    return resp
}

examples/fizzbuzz/fizzbuzz_test.go

package main

import (
    "fmt"
    "strconv"
    "testing"
)

func TestRegular(t *testing.T) {
    for _, n := range [...]int{1, 2, 4} {
        expected := strconv.Itoa(n)
        actual := fb(n)
        if actual != expected {
            t.Error(fmt.Sprintf("Expected '%v', Actual '%v'", expected, actual))
        }

    }
}

func TestFizz(t *testing.T) {
    expected := "Fizz"
    for _, n := range [...]int{3, 6, 9, 12, 18} {
        actual := fb(n)
        if actual != expected {
            t.Error(fmt.Sprintf("Expected '%v', Actual '%v'", expected, actual))
        }

    }
}

func TestBuzz(t *testing.T) {
    expected := "Buzz"
    for _, n := range [...]int{5, 10, 20, 25} {
        actual := fb(n)
        if actual != expected {
            t.Error(fmt.Sprintf("Expected '%v', Actual '%v'", expected, actual))
        }

    }
}

func TestFizzBuzz(t *testing.T) {
    expected := "FizzBuzz"
    for _, n := range [...]int{15, 30, 60} {
        actual := fb(n)
        if actual != expected {
            t.Error(fmt.Sprintf("Expected '%v', Actual '%v'", expected, actual))
        }

    }
}