package main

import (
	"testing"
)

func Test_scoreWordsByCommonLetterLocations(t *testing.T) {
	type args struct {
		words []string
	}
	tests := []struct {
		name string
		args args
		want map[string]int
	}{
		{
			name: "no letters in common",
			args: args{words: []string{"aaa", "bbb"}},
			want: map[string]int{"aaa": 3, "bbb": 3},
		},
		{
			name: "one letter in common",
			args: args{words: []string{"aaa", "abb"}},
			want: map[string]int{"aaa": 4, "abb": 4},
		},
		{
			name: "three Words with some letters in common",
			args: args{words: []string{"aaa", "abb", "aab"}},
			want: map[string]int{"aaa": 6, "abb": 6, "aab": 7},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			game := NewGame()
			for _, word := range tt.args.words {
				game.Words[word] = &Word{Word: word}
			}

			err := game.scoreWordsByCommonLetterLocations()
			if err != nil {
				t.Errorf("Error scoring Words: %s\n", err)
				t.FailNow()
			}

			for word, score := range tt.want {
				if game.Words[word].Score != score {
					t.Errorf("Word %s has score %d, expected %d", word, game.Words[word].Score, score)
				}
			}
		})
	}
}