JspmResolver example

$this->assertSame($expectedRequestBody, json_decode($options['body'], true));

            return new MockResponse(json_encode($responseData));
        };
        // mock the "file download" requests         foreach ($expectedDownloadedFiles as $file) {
            $responses[] = new MockResponse(sprintf('contents of %s', $file));
        }

        $httpClient = new MockHttpClient($responses);

        $provider = new JspmResolver($httpClient, ImportMapManager::PROVIDER_JSPM);
        $actualResolvedPackages = $provider->resolvePackages($packages);
        $this->assertCount(\count($expectedResolvedPackages), $actualResolvedPackages);
        foreach ($actualResolvedPackages as $package) {
            $packageName = $package->requireOptions->packageName;
            $this->assertArrayHasKey($packageName, $expectedResolvedPackages);
            $this->assertSame($expectedResolvedPackages[$packageName]['url'], $package->url);
        }
    }

    public static function provideResolvePackagesTests(): iterable
    {