first commit

tests/Unit/EmbeddedJsonExtractorTest.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Apoloz\VideoExtractor\Tests\Unit;
+
+use Apoloz\VideoExtractor\Exceptions\ParseFailedException;
+use Apoloz\VideoExtractor\Parsing\EmbeddedJsonExtractor;
+use Apoloz\VideoExtractor\Tests\TestCase;
+
+class EmbeddedJsonExtractorTest extends TestCase
+{
+    private EmbeddedJsonExtractor $extractor;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->extractor = new EmbeddedJsonExtractor();
+    }
+
+    public function test_extracts_flat_object(): void
+    {
+        $html = 'prefix window.cur = Object.assign(window.cur || {}, {"a":1,"b":"x"}); suffix';
+
+        $result = $this->extractor->extractAfterMarker($html, 'window.cur = Object.assign(');
+
+        self::assertSame(['a' => 1, 'b' => 'x'], $result);
+    }
+
+    public function test_extracts_deeply_nested_structure(): void
+    {
+        $html = 'x = Object.assign({}, {"apiPrefetchCache":[{"response":{"items":[{"id":1,"files":{"hls":"u"}}]}}]});';
+
+        $result = $this->extractor->extractAfterMarker($html, 'Object.assign(');
+
+        self::assertSame(1, $result['apiPrefetchCache'][0]['response']['items'][0]['id']);
+        self::assertSame('u', $result['apiPrefetchCache'][0]['response']['items'][0]['files']['hls']);
+    }
+
+    public function test_ignores_braces_inside_strings(): void
+    {
+        // A brace and quote inside a string must not unbalance the count.
+        $html = 'm({"msg":"has } and \" escaped","n":2});';
+
+        $result = $this->extractor->extractAfterMarker($html, 'm(');
+
+        self::assertSame('has } and " escaped', $result['msg']);
+        self::assertSame(2, $result['n']);
+    }
+
+    public function test_extracts_array_root(): void
+    {
+        $html = 'data = assign([], [1, [2, 3], {"k": "v"}]);';
+
+        $result = $this->extractor->extractAfterMarker($html, 'assign([], ');
+
+        self::assertSame([1, [2, 3], ['k' => 'v']], $result);
+    }
+
+    public function test_throws_when_marker_missing(): void
+    {
+        $this->expectException(ParseFailedException::class);
+        $this->extractor->extractAfterMarker('no marker here', 'window.cur');
+    }
+
+    public function test_throws_on_unbalanced_json(): void
+    {
+        $this->expectException(ParseFailedException::class);
+        $this->extractor->extractAfterMarker('m({"a":1', 'm(');
+    }
+
+    public function test_handles_cyrillic_content(): void
+    {
+        $html = 'window.cur = Object.assign(window.cur || {}, {"title":"Трамп отменяет гранты"});';
+
+        $result = $this->extractor->extractAfterMarker($html, 'window.cur = Object.assign(');
+
+        self::assertSame('Трамп отменяет гранты', $result['title']);
+    }
+}