3 files changed, 336 insertions, 0 deletions
diff --git a/tests/unit/Module/HelpTest.php b/tests/unit/Module/HelpTest.php
new file mode 100644
index 000000000..0f1610db5
--- /dev/null
+++ b/tests/unit/Module/HelpTest.php
@@ -0,0 +1,188 @@
+<?php
+/**
+ * SPDX-FileCopyrightText: 2024 Harald Eilertsen
+ * SPDX-FileCopyrightText: 2024 Hubzilla Community
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+class HelpTest extends \Zotlabs\Tests\Unit\Module\TestCase {
+
+	use \phpmock\phpunit\PHPMock;
+
+	/**
+	 * Define the stubs to make sure they work later in the test.
+	 *
+	 * @see https://php-mock.github.io/php-mock-phpunit/api/class-phpmock.phpunit.PHPMock.html#_defineFunctionMock
+	 *
+	 * @beforeClass
+	 */
+	public static function define_stubs(): void {
+		self::defineFunctionMock('Zotlabs\Lib\Traits', 'file_exists');
+		self::defineFunctionMock('Zotlabs\Module', 'file_get_contents');
+	}
+
+	/**
+	 * Test getting a help page when the underlying file exists.
+	 *
+	 * @testWith
+	 *	["md"]
+	 *	["bb"]
+	 *	["html"]
+	 */
+	public function test_get_request_when_help_file_exists(string $ext): void {
+		// Stub file exists, to only retur true for the file with the current
+		// extension
+		$fe_stub = $this->getFunctionMock('Zotlabs\Lib\Traits', 'file_exists');
+		$fe_stub
+			->expects($this->any())
+			->willReturnCallback(
+				fn (string $path) => $path === "doc/en/about/help_topic.{$ext}"
+			);
+
+		// Use a value map to make the `file_get_contents` stub return the
+		// correct content for the file types.
+		$file_content_map = [
+			[ 'doc/en/about/help_topic.md', "### Help heading\n\$Projectname help content" ],
+			[ 'doc/en/about/help_topic.bb', "[h3]Help heading[/h3]\n\n\$Projectname help content" ],
+			[ 'doc/en/about/help_topic.html', "<h3>Help heading</h3><p>\$Projectname help content</p>" ],
+		];
+
+		// Stub `file_get_contents` to plant our own content.
+		$fgc_stub = $this->getFunctionMock('Zotlabs\Module', 'file_get_contents');
+		$fgc_stub
+			->expects($this->once())
+			->willReturn($this->returnValueMap($file_content_map));
+
+
+		$this->get("help/about/help_topic");
+
+		// Check that markdown content was correctly rendered
+		$this->assertPageContains('<h3>Help heading</h3>');
+
+		// Check that `$Projectname` has been translated properly
+		$this->assertPageContains('Hubzilla help content');
+
+		// Check that heading has been set
+		$this->assertPageContains('Hubzilla Documentation: About');
+
+		// Check that page title has been set
+		$this->assertTrue(isset(\App::$page['title']), 'Page title not set');
+		$this->assertStringContainsString('Help', \App::$page['title']);
+		$this->assertStringContainsStringIgnoringCase('Help Topic', \App::$page['title']);
+
+		// Check that nav selection has been set
+		$this->assertTrue(isset(\App::$nav_sel['raw_name']), 'Nav selection raw name not set');
+		$this->assertEquals('Help', \App::$nav_sel['raw_name']);
+
+		$this->assertTrue(isset(\App::$nav_sel['name']), 'Navselection name not set');
+		$this->assertEquals('Help', \App::$nav_sel['name']);
+	}
+
+	public function test_get_request_should_return_404_when_help_file_does_not_exist(): void {
+		// Stub file exists, to only retur true for the file with the current
+		// extension
+		$fe_stub = $this->getFunctionMock('Zotlabs\Lib\Traits', 'file_exists');
+		$fe_stub
+			->expects($this->any())
+			->willReturn(false);
+
+		// Make sure `file_get_contents` is never called by the code.
+		$fgc_stub = $this->getFunctionMock('Zotlabs\Module', 'file_get_contents');
+		$fgc_stub->expects($this->never());
+
+		$this->get("help/this_topic_does_not_exist");
+
+		$this->assertPageContains('not found');
+	}
+
+	public function test_get_request_without_args_redirects_to_about_page(): void {
+		$this->stub_goaway();
+		$this->expectException(\Zotlabs\Tests\Unit\Module\RedirectException::class);
+		$this->expectExceptionMessage('about/about');
+
+		$this->get('help');
+	}
+
+	public function test_find_help_file_returns_first_match(): void {
+		// Stub file exists, to always return true
+		$fe_stub = $this->getFunctionMock('Zotlabs\Lib\Traits', 'file_exists');
+		$fe_stub
+			->expects($this->once())
+			->willReturn(true);
+
+		// Stub `file_get_contents` to plant our own content.
+		$fgc_stub = $this->getFunctionMock('Zotlabs\Module', 'file_get_contents');
+		$fgc_stub
+			->expects($this->once())
+			->with('doc/en/first.md')
+			->willReturn('found');
+
+		$this->get('help/first');
+	}
+
+	public function test_includes(): void {
+		// Stub `file_get_contents` to plant our own content.
+		$fgc_stub = $this->getFunctionMock('Zotlabs\Module', 'file_get_contents');
+		$fgc_stub
+			->expects($this->any())
+			->willReturnCallback(
+				function (string $path): string {
+					if ($path === 'doc/en/sub.md') {
+						return "### This is the included file.";
+					} else {
+						return "### Main topic\n\n#include doc/en/sub.md;";
+					}
+				}
+			);
+
+		// Stub file exists, to always return true
+		$fe_stub = $this->getFunctionMock('Zotlabs\Lib\Traits', 'file_exists');
+		$fe_stub
+			->expects($this->any())
+			->willReturn(true);
+
+		$this->get('help/main');
+
+		$this->assertPageContains('<h3>This is the included file.</h3>');
+	}
+
+	public function test_include_file_of_different_type_than_main_file(): void {
+		// Stub `file_get_contents` to plant our own content.
+		$fgc_stub = $this->getFunctionMock('Zotlabs\Module', 'file_get_contents');
+		$fgc_stub
+			->expects($this->any())
+			->willReturnCallback(
+				function (string $path): string {
+					if ($path === 'doc/en/sub.md') {
+						return "### This is the included file.";
+					} else {
+						return "[h3]Main topic[/h3]\n\n#include doc/en/sub.md;";
+					}
+				}
+			);
+
+		// Stub file exists, only return true for main.bb and sub.md
+		$fe_stub = $this->getFunctionMock('Zotlabs\Lib\Traits', 'file_exists');
+		$fe_stub
+			->expects($this->any())
+			->willReturnCallback(
+				fn (string $path) => (
+					$path === 'doc/en/main.bb' || $path === 'doc/en/sub.md'
+				)
+			);
+
+		$this->get('help/main');
+
+		$this->assertPageContains('<h3>This is the included file.</h3>');
+	}
+
+	/**
+	 * Helper to simplify asserting contents in the rendered page.
+	 *
+	 * @param string $needle	The expected string to find.
+	 */
+	private function assertPageContains(string $needle): void {
+		$this->assertStringContainsString($needle, \App::$page['content']);
+	}
+}
diff --git a/tests/unit/Module/SetupTest.php b/tests/unit/Module/SetupTest.php
new file mode 100644
index 000000000..96a5ef932
--- /dev/null
+++ b/tests/unit/Module/SetupTest.php
@@ -0,0 +1,74 @@
+<?php
+/**
+ * SPDX-FileCopyrightText: 2024 Harald Eilertsen
+ * SPDX-FileCopyrightText: 2024 Hubzilla Community
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/**
+ * SetupModuleTest
+ *
+ * The Setup module should only be available during site installation. This is
+ * determined by whether there are any accounts present in the database, or
+ * not.
+ *
+ * This is a complex module, so expect the tests to grow as more of it will be
+ * covered.
+ */
+class SetupModuleTest extends \Zotlabs\Tests\Unit\Module\TestCase {
+
+	public function test_that_setup_is_available_if_no_accounts_in_db(): void {
+		$this->with_no_accounts_in_db();
+		$this->get('setup');
+
+		$this->assertEquals('setup', \App::$page['page_title']);
+
+		// Assert that result _don't_ match "Permission denied"
+		$this->assertThat(
+			\App::$page['content'],
+			$this->logicalNot(
+				$this->matchesRegularExpression('/Permission denied/')
+			)
+		);
+	}
+
+	public function test_that_setup_is_not_available_if_accounts_in_db(): void {
+		// The fixtures loaded by default add a couple of accounts.
+		$this->get('setup');
+
+		$this->assertEquals('setup', \App::$page['page_title']);
+		$this->assertMatchesRegularExpression('/Permission denied/', \App::$page['content']);
+	}
+
+	public function test_that_setup_testrewrite_returns_ok(): void {
+		// We need to stub the `killme` function, as it is called directly from
+		// the code under test.
+		$this->stub_killme();
+
+		$output = '';
+
+		// Turn on output buffering, as code under test echoes
+		// directly to the output
+		ob_start();
+		try {
+			$this->get('setup/testrewrite');
+		} catch (\Zotlabs\Tests\Unit\Module\KillmeException) {
+			$output = ob_get_contents();
+		}
+
+		$this->assertEquals('ok', $output);
+
+		ob_end_clean();
+	}
+
+	/**
+	 * Delete all accounts from the database.
+	 *
+	 * This is currently needed because we automatically import the database
+	 * fixtures on test start, which contains a couple of accounts already.
+	 */
+	private function with_no_accounts_in_db(): void {
+		q('DELETE FROM account;');
+	}
+}
diff --git a/tests/unit/Module/TestCase.php b/tests/unit/Module/TestCase.php
new file mode 100644
index 000000000..aa09e0596
--- /dev/null
+++ b/tests/unit/Module/TestCase.php
@@ -0,0 +1,74 @@
+<?php
+
+namespace Zotlabs\Tests\Unit\Module;
+
+class TestCase extends \Zotlabs\Tests\Unit\UnitTestCase {
+
+	// Import PHPMock methods into this class
+	use \phpmock\phpunit\PHPMock;
+
+	/**
+	 * Emulate a GET request.
+	 *
+	 * @param string $uri	The URI to request. Typically this will be the module
+	 *						name, followed by any req args separated by slashes.
+	 */
+	protected function get(string $uri): void {
+		$_GET['q'] = $uri;
+		$_SERVER['REQUEST_METHOD'] = 'GET';
+
+		\App::init();
+		\App::$page['content'] = '';
+
+		$router = new \Zotlabs\Web\Router();
+		$router->Dispatch();
+	}
+
+	/**
+	 * Stub out the `killme` function.
+	 *
+	 * Usefule for modules that call this function directly.
+	 *
+	 * Instead of calling exit, the stub will throw a `KillmeException`,
+	 * that can be caught by the test code to regain control after request
+	 * processing is terminated.
+	 */
+	protected function stub_killme(): void {
+		$killme_stub = $this->getFunctionMock('Zotlabs\Module', 'killme');
+		$killme_stub
+			->expects($this->once())
+			->willReturnCallback(
+				function () {
+					throw new KillmeException();
+				}
+			);
+	}
+
+	protected function stub_goaway(): void {
+		$goaway_stub = $this->getFunctionMock('Zotlabs\Module', 'goaway');
+		$goaway_stub
+			->expects($this->once())
+			->willReturnCallback(
+				function (string $uri) {
+					throw new RedirectException($uri);
+				}
+			);
+	}
+}
+
+/**
+ * Exception class for killme stub
+ */
+class KillmeException extends \Exception {}
+
+/**
+ * Exception class for goaway stub.
+ *
+ * Takes the goaway uri as an arg, and makes it available as
+ * the public `$uri` member variable.
+ */
+class RedirectException extends \Exception {
+	function __construct(string $uri) {
+		parent::__construct($uri);
+	}
+}