package main

import (
	"io/ioutil"
	"net/http"
	"net/http/httptest"
	"path/filepath"
	"testing"
)

func TestIndexHandler(t *testing.T) {
	// TestIndexHandler tests the index
	req, err := http.NewRequest("GET", "/", nil)
	if err != nil {
		t.Fatal(err)
	}
	rr := httptest.NewRecorder()
	handler := http.HandlerFunc(index)

	handler.ServeHTTP(rr, req)

	if status := rr.Code; status != http.StatusOK {
		t.Errorf("Index returned wrong status code: got %v want %v",
			status, http.StatusOK)
	}

	indexTemplate, err := ioutil.ReadFile(filepath.Join("templates", "index.html"))
	if err != nil {
		t.Fatal("Can't read index.html")
	}

	if rr.Body.String() != string(indexTemplate) {
		t.Fatal("Index response is not the same as index.html")
	}
}