package message

import "testing"

func TestHasBroadcastToken(t *testing.T) {
	cases := []struct {
		content string
		token   string
		want    bool
	}{
		{"hello @everyone", "everyone", true},
		{"@everyone hi", "everyone", true},
		{"@EVERYONE", "everyone", true},
		{"@everyone!", "everyone", true},
		{"@everyoneelse", "everyone", false},
		{"noteveryone", "everyone", false},
		{"@channel", "channel", true},
		{"ping @channel please", "channel", true},
		{"@channeling", "channel", false},
		{"", "everyone", false},
		{"@", "everyone", false},
	}
	for _, tc := range cases {
		got := hasBroadcastToken(tc.content, tc.token)
		if got != tc.want {
			t.Errorf("hasBroadcastToken(%q, %q) = %v, want %v", tc.content, tc.token, got, tc.want)
		}
	}
}

func TestIsUsernameChar(t *testing.T) {
	if !isUsernameChar('a') || !isUsernameChar('9') || !isUsernameChar('_') {
		t.Fatal("expected alnum/_")
	}
	if isUsernameChar(' ') || isUsernameChar('!') || isUsernameChar('@') {
		t.Fatal("unexpected username chars")
	}
}