diff --git a/core/modules/update/tests/fixtures/release-history/drupal.project_status.insecure.0.2.xml b/core/modules/update/tests/fixtures/release-history/drupal.project_status.insecure.0.2.xml
new file mode 100644
index 0000000000000000000000000000000000000000..16e28e76bb70ad01c46bf0a3777cb5cdd973d2e5
--- /dev/null
+++ b/core/modules/update/tests/fixtures/release-history/drupal.project_status.insecure.0.2.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+This fixture is used by Drupal\Tests\update\Kernel\UpdateCalculateProjectDataTest. This fixture has project
+that has been labeled insecure by the Drupal security team.
+
+It contains 2 releases:
+- 8.0.2: An available update.
+- 8.0.1: The currently installed version in the test scenarios.
+-->
+<project xmlns:dc="http://purl.org/dc/elements/1.1/">
+<title>Drupal</title>
+<short_name>drupal</short_name>
+<dc:creator>Drupal</dc:creator>
+<supported_branches>8.0.,8.1.</supported_branches>
+<project_status>insecure</project_status>
+<link>http://example.com/project/drupal</link>
+ <terms>
+ <term><name>Projects</name><value>Drupal project</value></term>
+ </terms>
+<releases>
+ <release>
+ <name>Drupal 8.0.2</name>
+ <version>8.0.2</version>
+ <status>published</status>
+ <release_link>http://example.com/drupal-8-0-2-release</release_link>
+ <download_link>http://example.com/drupal-8-0-2.tar.gz</download_link>
+ <date>1250424641</date>
+ <terms>
+ <term><name>Release type</name><value>New features</value></term>
+ <term><name>Release type</name><value>Bug fixes</value></term>
+ </terms>
+ </release>
+ <release>
+ <name>Drupal 8.0.1</name>
+ <version>8.0.1</version>
+ <status>published</status>
+ <release_link>http://example.com/drupal-8-0-1-release</release_link>
+ <download_link>http://example.com/drupal-8-0-1.tar.gz</download_link>
+ <date>1250424581</date>
+ <terms>
+ <term><name>Release type</name><value>New features</value></term>
+ <term><name>Release type</name><value>Bug fixes</value></term>
+ </terms>
+ </release>
+</releases>
+</project>
diff --git a/core/modules/update/tests/fixtures/release-history/drupal.project_status.revoked.0.2.xml b/core/modules/update/tests/fixtures/release-history/drupal.project_status.revoked.0.2.xml
new file mode 100644
index 0000000000000000000000000000000000000000..f89e4ba303efe1a3a30db625eefbda5dd7b5059d
--- /dev/null
+++ b/core/modules/update/tests/fixtures/release-history/drupal.project_status.revoked.0.2.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+This fixture is used by Drupal\Tests\update\Kernel\UpdateCalculateProjectDataTest. This fixture has project
+that has been revoked.
+
+It contains 2 releases:
+- 8.0.2: An available update.
+- 8.0.1: The currently installed version in the test scenarios.
+-->
+<project xmlns:dc="http://purl.org/dc/elements/1.1/">
+<title>Drupal</title>
+<short_name>drupal</short_name>
+<dc:creator>Drupal</dc:creator>
+<supported_branches>8.0.,8.1.</supported_branches>
+<project_status>revoked</project_status>
+<link>http://example.com/project/drupal</link>
+ <terms>
+ <term><name>Projects</name><value>Drupal project</value></term>
+ </terms>
+<releases>
+ <release>
+ <name>Drupal 8.0.2</name>
+ <version>8.0.2</version>
+ <status>published</status>
+ <release_link>http://example.com/drupal-8-0-2-release</release_link>
+ <download_link>http://example.com/drupal-8-0-2.tar.gz</download_link>
+ <date>1250424641</date>
+ <terms>
+ <term><name>Release type</name><value>New features</value></term>
+ <term><name>Release type</name><value>Bug fixes</value></term>
+ </terms>
+ </release>
+ <release>
+ <name>Drupal 8.0.1</name>
+ <version>8.0.1</version>
+ <status>published</status>
+ <release_link>http://example.com/drupal-8-0-1-release</release_link>
+ <download_link>http://example.com/drupal-8-0-1.tar.gz</download_link>
+ <date>1250424581</date>
+ <terms>
+ <term><name>Release type</name><value>New features</value></term>
+ <term><name>Release type</name><value>Bug fixes</value></term>
+ </terms>
+ </release>
+</releases>
+</project>
diff --git a/core/modules/update/tests/fixtures/release-history/drupal.project_status.unsupported.0.2.xml b/core/modules/update/tests/fixtures/release-history/drupal.project_status.unsupported.0.2.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4f5c6720725573cdfa01aee0631ed0908a079e41
--- /dev/null
+++ b/core/modules/update/tests/fixtures/release-history/drupal.project_status.unsupported.0.2.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+This fixture is used by Drupal\Tests\update\Kernel\UpdateCalculateProjectDataTest. This fixture has project
+that is no longer supported.
+
+It contains 2 releases:
+- 8.0.2: An available update.
+- 8.0.1: The currently installed version in the test scenarios.
+-->
+<project xmlns:dc="http://purl.org/dc/elements/1.1/">
+<title>Drupal</title>
+<short_name>drupal</short_name>
+<dc:creator>Drupal</dc:creator>
+<supported_branches>8.0.,8.1.</supported_branches>
+<project_status>unsupported</project_status>
+<link>http://example.com/project/drupal</link>
+ <terms>
+ <term><name>Projects</name><value>Drupal project</value></term>
+ </terms>
+<releases>
+ <release>
+ <name>Drupal 8.0.2</name>
+ <version>8.0.2</version>
+ <status>published</status>
+ <release_link>http://example.com/drupal-8-0-2-release</release_link>
+ <download_link>http://example.com/drupal-8-0-2.tar.gz</download_link>
+ <date>1250424641</date>
+ <terms>
+ <term><name>Release type</name><value>New features</value></term>
+ <term><name>Release type</name><value>Bug fixes</value></term>
+ </terms>
+ </release>
+ <release>
+ <name>Drupal 8.0.1</name>
+ <version>8.0.1</version>
+ <status>published</status>
+ <release_link>http://example.com/drupal-8-0-1-release</release_link>
+ <download_link>http://example.com/drupal-8-0-1.tar.gz</download_link>
+ <date>1250424581</date>
+ <terms>
+ <term><name>Release type</name><value>New features</value></term>
+ <term><name>Release type</name><value>Bug fixes</value></term>
+ </terms>
+ </release>
+</releases>
+</project>
diff --git a/core/modules/update/tests/src/Kernel/UpdateCalculateProjectDataTest.php b/core/modules/update/tests/src/Kernel/UpdateCalculateProjectDataTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..e80dc469060e51665335be4398a40d01ef04b9d4
--- /dev/null
+++ b/core/modules/update/tests/src/Kernel/UpdateCalculateProjectDataTest.php
@@ -0,0 +1,132 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\update\Kernel;
+
+use Drupal\KernelTests\KernelTestBase;
+use Drupal\update\UpdateManagerInterface;
+use GuzzleHttp\Client;
+use GuzzleHttp\Handler\MockHandler;
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Psr7\Response;
+use GuzzleHttp\Psr7\Utils;
+
+/**
+ * Test the values set in update_calculate_project_data().
+ *
+ * @group update
+ */
+class UpdateCalculateProjectDataTest extends KernelTestBase {
+
+ /**
+ * The Guzzle HTTP client.
+ *
+ * @var \GuzzleHttp\Client
+ */
+ protected $client;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $modules = ['system', 'update', 'update_test'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp(): void {
+ parent::setUp();
+
+ // The Update module's default configuration must be installed for our
+ // fake release metadata to be fetched.
+ $this->installConfig('update');
+ $this->installConfig('update_test');
+ $this->setCoreVersion('8.0.1');
+
+ }
+
+ /**
+ * Sets the installed version of core, as known to the Update module.
+ *
+ * @param string $version
+ * The core version.
+ *
+ * @see update_test_system_info_alter()
+ */
+ protected function setCoreVersion(string $version): void {
+ $this->config('update_test.settings')
+ ->set('system_info.#all.version', $version)
+ ->save();
+ }
+
+ /**
+ * Sets the release metadata file to use when fetching available updates.
+ *
+ * @param string $file
+ * The path of the XML metadata file to use.
+ */
+ protected function setReleaseMetadata(string $file): void {
+ $metadata = Utils::tryFopen($file, 'r');
+ $response = new Response(200, [], Utils::streamFor($metadata));
+ $handler = new MockHandler([$response]);
+ $this->client = new Client([
+ 'handler' => HandlerStack::create($handler),
+ ]);
+ $this->container->set('http_client', $this->client);
+ }
+
+ /**
+ * Data provider for testProjectStatus().
+ *
+ * The test cases rely on the following fixtures:
+ * - drupal.project_status.revoked.0.2.xml: Project_status is 'revoked'.
+ * - drupal.project_status.insecure.0.2.xml: Project_status is 'insecure'.
+ * - drupal.project_status.unsupported.0.2.xml: Project_status is
+ * 'unsupported'.
+ *
+ * @return array[]
+ * Test data.
+ */
+ public function providerProjectStatus(): array {
+ return [
+ 'revoked' => [
+ 'fixture' => '/../../fixtures/release-history/drupal.project_status.revoked.0.2.xml',
+ 'status' => UpdateManagerInterface::REVOKED,
+ 'label' => 'Project revoked',
+ 'expected_error_message' => 'This project has been revoked, and is no longer available for download. Uninstalling everything included by this project is strongly recommended!',
+ ],
+ 'insecure' => [
+ 'fixture' => '/../../fixtures/release-history/drupal.project_status.insecure.0.2.xml',
+ 'status' => UpdateManagerInterface::NOT_SECURE,
+ 'label' => 'Project not secure',
+ 'expected_error_message' => 'This project has been labeled insecure by the Drupal security team, and is no longer available for download. Immediately uninstalling everything included by this project is strongly recommended!',
+ ],
+ 'unsupported' => [
+ 'fixture' => '/../../fixtures/release-history/drupal.project_status.unsupported.0.2.xml',
+ 'status' => UpdateManagerInterface::NOT_SUPPORTED,
+ 'label' => 'Project not supported',
+ 'expected_error_message' => 'This project is no longer supported, and is no longer available for download. Uninstalling everything included by this project is strongly recommended!',
+ ],
+ ];
+ }
+
+ /**
+ * Tests the project_status of the project.
+ *
+ * @dataProvider providerProjectStatus
+ *
+ * @covers update_calculate_project_update_status
+ */
+ public function testProjectStatus(string $fixture, int $status, string $label, string $expected_error_message): void {
+ update_storage_clear();
+ $this->setReleaseMetadata(__DIR__ . $fixture);
+ $available = update_get_available(TRUE);
+ $project_data = update_calculate_project_data($available);
+ $this->assertArrayHasKey('status', $project_data['drupal']);
+ $this->assertEquals($status, $project_data['drupal']['status']);
+ $this->assertArrayHasKey('extra', $project_data['drupal']);
+ $this->assertEquals($label, $project_data['drupal']['extra']['0']['label']);
+ $this->assertEquals($expected_error_message, $project_data['drupal']['extra']['0']['data']);
+ }
+
+}