/**
* Returns a nested tree representation of `'embed'` option.
*
* @return array The corresponding nested tree representation.
*/
public function treeify($embed)
{
if (!$embed) {
return [];
}
$embed = Set::expand(array_fill_keys(array_keys(Set::normalize((array) $embed)), null));
$result = [];
foreach ($embed as $relName => $value) {
if (!isset($this->_relations[$relName])) {
continue;
}
if ($this->_relations[$relName]['relation'] === 'hasManyThrough') {
$rel = $this->relation($relName);
$result[$rel->through()] = [$rel->using() => $value];
}
$result[$relName] = $value;
}
return $result;
}
/**
* Sets the relations to retrieve.
*
* @param array $embed The relations to load with the query.
* @return object Returns `$this`.
*/
public function embed($embed = null, $conditions = [])
{
if (!$embed) {
return $this->_embed;
}
if (!is_array($embed)) {
$embed = [$embed => $conditions];
}
$embed = Set::normalize($embed);
$this->_embed = Set::merge($this->_embed, $embed);
return $this;
}
});
});
describe("::flatten()", function () {
$this->expanded = [['Post' => ['id' => '1', 'author_id' => '1', 'title' => 'First Post'], 'Author' => ['id' => '1', 'user' => 'nate', 'password' => 'foo']], ['Post' => ['id' => '2', 'author_id' => '5', 'title' => 'Second Post'], 'Author' => ['id' => '5', 'user' => 'jeff', 'password' => null]]];
$this->flattened = ['0.Post.id' => '1', '0.Post.author_id' => '1', '0.Post.title' => 'First Post', '0.Author.id' => '1', '0.Author.user' => 'nate', '0.Author.password' => 'foo', '1.Post.id' => '2', '1.Post.author_id' => '5', '1.Post.title' => 'Second Post', '1.Author.id' => '5', '1.Author.user' => 'jeff', '1.Author.password' => null];
it("flattens", function () {
$result = Set::flatten($this->expanded);
expect($result)->toBe($this->flattened);
});
it("expands", function () {
$result = Set::expand($this->flattened);
expect($result)->toBe($this->expanded);
});
});
describe("::normalize()", function () {
it("normalizes arrays", function () {
$result = Set::normalize(['one', 'two', 'three']);
$expected = ['one' => null, 'two' => null, 'three' => null];
expect($result)->toBe($expected);
$result = Set::normalize(['one' => ['a', 'b', 'c' => 'd'], 'two' => 2, 'three']);
$expected = ['one' => ['a', 'b', 'c' => 'd'], 'two' => 2, 'three' => null];
expect($result)->toBe($expected);
});
it("throws with non-normalizable array", function () {
$closure = function () {
Set::normalize([['a', 'b', 'c' => 'd'], 'two' => 2, 'three']);
};
expect($closure)->toThrow(new Exception("Invalid array format, a value can't be normalized"));
});
});
});
