<?php
namespace nulib\cache;

use nulib\cl;
use nulib\output\msg;

class cacheTest extends _TestCase {
  const DATA = [
    "fr" => ["a" => "un", "b" => "deux"],
    "eng" => ["a" => "one", "b" => "two"],
    ["a" => 1, "b" => 2],
  ];

  function gendata() {
    msg::note("gendata");
    foreach (self::DATA as $key => $item) {
      msg::info("yield $key");
      yield $key => $item;
      sleep(2);
    }
    msg::note("fin gendata");
  }

  function _testRows(iterable $rows) {
    $count = 0;
    foreach ($rows as $key => $row) {
      msg::info("got $key => {a={$row["a"]}, b={$row["b"]}}");
      $count++;
    }
    self::assertSame(3, $count);
  }
  function _testGet(string $dataId, callable $gencompute) {
    msg::section($dataId);
    cache::nc();

    msg::step("premier");
    $rows = cache::get($dataId, $gencompute());
    $this->_testRows($rows);
    msg::step("deuxième");
    $rows = cache::get($dataId, $gencompute());
    $this->_testRows($rows);

    msg::step("vider le cache");
    cache::nc(true, true);

    msg::step("premier");
    $rows = cache::get($dataId, $gencompute());
    $this->_testRows($rows);
    msg::step("deuxième");
    $rows = cache::get($dataId, $gencompute());
    $this->_testRows($rows);
  }

  function testGetStatic() {
    $this->_testGet("getStatic", function() {
      return static function () {
        msg::note("getdata");
        return self::DATA;
      };
    });
  }

  function testGetGenerator() {
    $this->_testGet("getGenerator", function() {
      return $this->gendata();
    });
  }

  function testAll() {
    
  }
}