mirror of
https://gh.wpcy.net/https://github.com/fairpm/did-manager.git
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441 lines
12 KiB
PHP
441 lines
12 KiB
PHP
<?php
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/**
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* CanonicalMapObject Tests
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*
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* @package Tests\Unit\FAIR\DID\Crypto
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*/
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declare(strict_types=1);
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namespace Tests\Unit\FAIR\DID\Crypto;
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use CBOR\MapItem;
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use CBOR\TextStringObject;
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use CBOR\UnsignedIntegerObject;
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use FAIR\DID\Crypto\CanonicalMapObject;
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use PHPUnit\Framework\TestCase;
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/**
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* Test cases for CanonicalMapObject
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*/
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class CanonicalMapObjectTest extends TestCase
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{
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/**
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* Test creating an empty canonical map.
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*/
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public function test_create_empty_map(): void
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{
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$map = CanonicalMapObject::create();
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$this->assertInstanceOf(CanonicalMapObject::class, $map);
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$this->assertCount(0, $map);
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}
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/**
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* Test creating a map with initial items.
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*/
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public function test_create_with_items(): void
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{
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$items = [
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MapItem::create(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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),
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MapItem::create(
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TextStringObject::create('key2'),
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TextStringObject::create('value2'),
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),
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];
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$map = CanonicalMapObject::create($items);
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$this->assertCount(2, $map);
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}
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/**
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* Test adding items to the map.
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*/
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public function test_add_items(): void
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{
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$map = CanonicalMapObject::create();
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$map->add(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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);
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$map->add(
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TextStringObject::create('key2'),
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TextStringObject::create('value2'),
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);
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$this->assertCount(2, $map);
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}
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/**
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* Test canonical sorting: by key length first.
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*/
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public function test_canonical_sorting_by_length(): void
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{
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$map = CanonicalMapObject::create();
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// Add keys in non-sorted order
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$map->add(
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TextStringObject::create('longkey'),
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TextStringObject::create('value1'),
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);
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$map->add(
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TextStringObject::create('key'),
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TextStringObject::create('value2'),
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);
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$map->add(
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TextStringObject::create('a'),
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TextStringObject::create('value3'),
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);
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$cbor = (string) $map;
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// Shorter keys should appear first in CBOR encoding
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// We can verify this by checking the encoded string contains keys in order
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$this->assertNotEmpty($cbor);
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// The CBOR should start with map marker
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$firstByte = ord($cbor[0]);
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$majorType = $firstByte >> 5;
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$this->assertSame(5, $majorType, 'Should be a CBOR map (major type 5)');
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}
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/**
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* Test canonical sorting: by byte value when lengths are equal.
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*/
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public function test_canonical_sorting_by_byte_value(): void
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{
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$map = CanonicalMapObject::create();
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// Add keys of same length in non-sorted order
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$map->add(
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TextStringObject::create('zebra'),
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TextStringObject::create('value1'),
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);
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$map->add(
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TextStringObject::create('apple'),
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TextStringObject::create('value2'),
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);
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$map->add(
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TextStringObject::create('mango'),
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TextStringObject::create('value3'),
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);
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$cbor = (string) $map;
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// Verify it produces valid CBOR
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$this->assertNotEmpty($cbor);
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// First byte should indicate a map
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$firstByte = ord($cbor[0]);
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$majorType = $firstByte >> 5;
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$this->assertSame(5, $majorType);
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}
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/**
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* Test normalize returns array.
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*/
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public function test_normalize(): void
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{
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$map = CanonicalMapObject::create();
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$map->add(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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);
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$map->add(
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TextStringObject::create('key2'),
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UnsignedIntegerObject::create(42),
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);
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$normalized = $map->normalize();
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$this->assertArrayHasKey('key1', $normalized);
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$this->assertArrayHasKey('key2', $normalized);
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$this->assertSame('value1', $normalized['key1']);
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// UnsignedIntegerObject normalizes to string in CBOR library
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$this->assertSame('42', $normalized['key2']);
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}
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/**
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* Test getValue returns the map data.
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*/
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public function test_get_value(): void
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{
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$items = [
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MapItem::create(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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),
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];
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$map = CanonicalMapObject::create($items);
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$value = $map->getValue();
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$this->assertContainsOnlyInstancesOf(MapItem::class, $value);
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}
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/**
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* Test getData returns the map data.
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*/
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public function test_get_data(): void
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{
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$items = [
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MapItem::create(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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),
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];
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$map = CanonicalMapObject::create($items);
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$data = $map->getData();
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$this->assertContainsOnlyInstancesOf(MapItem::class, $data);
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}
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/**
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* Test count returns correct number of items.
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*/
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public function test_count(): void
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{
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$map = CanonicalMapObject::create();
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$this->assertCount(0, $map);
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$map->add(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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);
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$this->assertCount(1, $map);
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$map->add(
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TextStringObject::create('key2'),
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TextStringObject::create('value2'),
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);
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$this->assertCount(2, $map);
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}
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/**
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* Test iterator functionality.
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*/
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public function test_iterator(): void
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{
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$map = CanonicalMapObject::create();
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$map->add(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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);
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$map->add(
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TextStringObject::create('key2'),
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TextStringObject::create('value2'),
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);
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$items = [];
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foreach ($map as $item) {
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$items[] = $item;
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}
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$this->assertCount(2, $items);
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$this->assertContainsOnlyInstancesOf(MapItem::class, $items);
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}
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/**
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* Test ArrayAccess offsetExists.
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*/
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public function test_array_access_offset_exists(): void
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{
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$map = CanonicalMapObject::create();
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$map->add(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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);
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$this->assertTrue($map->offsetExists('key1'));
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$this->assertFalse($map->offsetExists('nonexistent'));
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}
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/**
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* Test ArrayAccess offsetGet.
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*/
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public function test_array_access_offset_get(): void
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{
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$map = CanonicalMapObject::create();
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$map->add(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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);
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$item = $map['key1'];
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$this->assertInstanceOf(MapItem::class, $item);
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$this->assertNull($map['nonexistent']);
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}
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/**
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* Test ArrayAccess offsetSet.
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*/
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public function test_array_access_offset_set(): void
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{
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$map = CanonicalMapObject::create();
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$map['key1'] = MapItem::create(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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);
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$this->assertCount(1, $map);
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$this->assertTrue($map->offsetExists('key1'));
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}
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/**
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* Test ArrayAccess offsetUnset.
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*/
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public function test_array_access_offset_unset(): void
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{
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$map = CanonicalMapObject::create();
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$map->add(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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);
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$map->add(
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TextStringObject::create('key2'),
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TextStringObject::create('value2'),
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);
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$this->assertCount(2, $map);
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unset($map['key1']);
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$this->assertCount(1, $map);
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$this->assertFalse($map->offsetExists('key1'));
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}
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/**
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* Test __toString produces CBOR output.
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*/
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public function test_to_string(): void
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{
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$map = CanonicalMapObject::create();
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$map->add(
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TextStringObject::create('type'),
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TextStringObject::create('plc_operation'),
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);
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$cbor = (string) $map;
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$this->assertNotEmpty($cbor);
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// Should start with CBOR map marker
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$firstByte = ord($cbor[0]);
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$majorType = $firstByte >> 5;
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$this->assertSame(5, $majorType);
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}
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/**
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* Test canonical sorting matches RFC 8949 section 3.9.
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*
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* Keys should be sorted:
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* 1. First by length (shorter first)
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* 2. Then by byte value (lexicographic)
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*/
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public function test_rfc_8949_canonical_sorting(): void
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{
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$map = CanonicalMapObject::create();
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// Add keys in specific order to test sorting
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$map->add(TextStringObject::create('sig'), TextStringObject::create('v1'));
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$map->add(TextStringObject::create('prev'), TextStringObject::create('v2'));
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$map->add(TextStringObject::create('type'), TextStringObject::create('v3'));
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$map->add(TextStringObject::create('services'), TextStringObject::create('v4'));
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$map->add(TextStringObject::create('alsoKnownAs'), TextStringObject::create('v5'));
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$map->add(TextStringObject::create('rotationKeys'), TextStringObject::create('v6'));
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$map->add(TextStringObject::create('verificationMethods'), TextStringObject::create('v7'));
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$cbor = (string) $map;
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// Expected order by length: sig(3), prev(4), type(4), services(8), alsoKnownAs(11), rotationKeys(12), verificationMethods(19)
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// When lengths are equal (prev/type), lexicographic order applies
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$this->assertNotEmpty($cbor);
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// The data should be properly encoded as CBOR map
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$firstByte = ord($cbor[0]);
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$majorType = $firstByte >> 5;
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$additionalInfo = $firstByte & 0x1F;
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$this->assertSame(5, $majorType);
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$this->assertSame(7, $additionalInfo); // 7 items in map
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}
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/**
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* Test adding duplicate keys overwrites previous value.
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*/
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public function test_duplicate_keys_overwrite(): void
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{
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$map = CanonicalMapObject::create();
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$map->add(
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TextStringObject::create('key1'),
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TextStringObject::create('value1'),
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);
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$map->add(
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TextStringObject::create('key1'),
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TextStringObject::create('value2'),
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);
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$this->assertCount(1, $map);
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$normalized = $map->normalize();
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$this->assertSame('value2', $normalized['key1']);
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}
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/**
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* Test map with null values.
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*/
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public function test_map_with_null_values(): void
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{
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$map = CanonicalMapObject::create();
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$map->add(
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TextStringObject::create('prev'),
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\CBOR\OtherObject\NullObject::create(),
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);
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$normalized = $map->normalize();
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$this->assertArrayHasKey('prev', $normalized);
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$this->assertNull($normalized['prev']);
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}
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/**
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* Test map handles complex nested structures.
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*/
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public function test_nested_structures(): void
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{
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$map = CanonicalMapObject::create();
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$innerMap = \CBOR\MapObject::create();
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$innerMap->add(
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TextStringObject::create('nested_key'),
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TextStringObject::create('nested_value'),
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);
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$map->add(
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TextStringObject::create('outer'),
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$innerMap,
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);
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$cbor = (string) $map;
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$this->assertNotEmpty($cbor);
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}
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}
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