// Cthulhu screen reader.
// Copyright (c) 2026 Storm Dragon
// Authors: Storm Dragon, Angus Kola
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along with
// this program. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.

package main

import (
	"bytes"
	"path/filepath"
	"strings"
	"testing"
)

func TestValidateFixture(t *testing.T) {
	var stdout bytes.Buffer
	ledgerPath := filepath.Join("..", "..", "testdata", "parity-ledger.csv")
	if err := run([]string{"validate", ledgerPath}, &stdout, &stdout); err != nil {
		t.Fatalf("validate fixture: %v", err)
	}
	if !strings.HasPrefix(stdout.String(), "Validated ") ||
		!strings.Contains(stdout.String(), " parity ledger rows.") {
		t.Fatalf("unexpected validation output: %q", stdout.String())
	}
}

func TestUsage(t *testing.T) {
	var stdout bytes.Buffer
	if err := run([]string{"--help"}, &stdout, &stdout); err != nil {
		t.Fatalf("run --help: %v", err)
	}
	if !strings.Contains(stdout.String(), "Usage: parityledger validate LEDGER") {
		t.Fatalf("unexpected usage output: %q", stdout.String())
	}
}