exercism/go/accumulate/accumulate_test.go

58 lines
1.3 KiB
Go

package accumulate
import (
"fmt"
"strings"
"testing"
)
const targetTestVersion = 1
func echo(c string) string {
return c
}
func capitalize(word string) string {
return strings.Title(word)
}
var tests = []struct {
expected []string
given []string
converter func(string) string
description string
}{
{[]string{}, []string{}, echo, "echo"},
{[]string{"echo", "echo", "echo", "echo"}, []string{"echo", "echo", "echo", "echo"}, echo, "echo"},
{[]string{"First", "Letter", "Only"}, []string{"first", "letter", "only"}, capitalize, "capitalize"},
{[]string{"HELLO", "WORLD"}, []string{"hello", "world"}, strings.ToUpper, "strings.ToUpper"},
}
func TestTestVersion(t *testing.T) {
if testVersion != targetTestVersion {
t.Fatalf("Found testVersion = %v, want %v", testVersion, targetTestVersion)
}
}
func TestAccumulate(t *testing.T) {
for _, test := range tests {
actual := Accumulate(test.given, test.converter)
if fmt.Sprintf("%q", actual) != fmt.Sprintf("%q", test.expected) {
t.Fatalf("Accumulate(%q, %q): expected %q, actual %q", test.given, test.description, test.expected, actual)
}
}
}
func BenchmarkAccumulate(b *testing.B) {
b.StopTimer()
for _, test := range tests {
b.StartTimer()
for i := 0; i < b.N; i++ {
Accumulate(test.given, test.converter)
}
b.StopTimer()
}
}