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Compression:
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Contents
package poker
import (
"reflect"
"testing"
)
// Define a function BestHand([]string) ([]string, error).
//
// Also define a testVersion with a value that matches
// the targetTestVersion here.
const targetTestVersion = 5
var invalidTestCases = []struct {
name string
hand string
}{
{
name: "1 is an invalid card rank",
hand: "1♢ 2♡ 3♡ 4♡ 5♡",
},
{
name: "11 is an invalid card rank",
hand: "11♢ 2♡ 3♡ 4♡ 5♡",
},
{
name: "too few cards",
hand: "2♡ 3♡ 4♡ 5♡",
},
{
name: "too many cards",
hand: "2♡ 3♡ 4♡ 5♡ 6♡ 7♡",
},
{
name: "lack of rank",
hand: "11♢ 2♡ ♡ 4♡ 5♡",
},
{
name: "lack of suit",
hand: "2♡ 3♡ 4 5♡ 7♡",
},
{
name: "H is an invalid suit",
hand: "2♡ 3♡ 4H 5♡ 7♡",
},
{
name: "♥ is an invalid suit",
hand: "2♡ 3♡ 4♥ 5♡ 7♡",
},
{
name: "lack of spacing",
hand: "2♡ 3♡ 5♡7♡ 8♡",
},
{
name: "double suits after rank",
hand: "2♡ 3♡ 5♡♡ 8♡ 9♡",
},
}
func TestTestVersion(t *testing.T) {
if testVersion != targetTestVersion {
t.Fatalf("Found testVersion = %v, want %v", testVersion, targetTestVersion)
}
}
func TestBestHandValid(t *testing.T) {
for _, tt := range validTestCases {
actual, err := BestHand(tt.hands)
if err != nil {
var _ error = err
t.Fatalf("Got unexpected error in valid case %q: %v", tt.name, err)
}
if !reflect.DeepEqual(actual, tt.best) {
t.Fatalf("Mismatch in result of valid case %q: got %#v, want %#v",
tt.name, actual, tt.best)
}
}
}
func TestBestHandInvalid(t *testing.T) {
for _, tt := range invalidTestCases {
_, err := BestHand([]string{tt.hand})
if err == nil {
t.Fatalf("Did not get an error for invalid case %q", tt.name)
}
}
}
func BenchmarkBestHand(b *testing.B) {
for i := 0; i < b.N; i++ {
for _, tt := range validTestCases {
BestHand(tt.hands)
}
}
}
Version data entries
92 entries across 92 versions & 1 rubygems