Adding unit test for is_ssl()

this should test the correctness of the return value of is_ssl()
function based on various combinations of PHP environment variables

1 files changed, 81 insertions, 0 deletions

diff --git a/_test/tests/inc/init_checkssl.test.php b/_test/tests/inc/init_checkssl.test.php
new file mode 100644
index 000000000..c57d3c37e
--- /dev/null
+++ b/_test/tests/inc/init_checkssl.test.php
@@ -0,0 +1,81 @@
+<?php
+
+class init_checkssl_test extends DokuWikiTest {
+
+	/**
+	 * Running behind an SSL proxy, HTTP between server and proxy
+	 * HTTPS not set
+	 * HTTP_X_FORWARDED_PROTO
+	 * set to https
+	 */
+	function test1() {
+		$_SERVER['HTTP_X_FORWARDED_PROTO'] = 'https';
+
+		$this->assertEquals(is_ssl(), true);
+	}
+
+	/**
+	 * Running behind a plain HTTP proxy, HTTP between server and proxy
+	 * HTTPS not set
+	 * HTTP_X_FORWARDED_PROTO set to http
+	 */
+	function test2() {
+		$_SERVER['HTTP_X_FORWARDED_PROTO'] = 'http';
+
+		$this->assertEquals(is_ssl(), false);
+	}
+
+	/**
+	 * Running behind an SSL proxy, HTTP between server and proxy
+	 * HTTPS set to off,
+	 * HTTP_X_FORWARDED_PROTO set to https
+	 */
+	function test3() {
+		$_SERVER['HTTP_X_FORWARDED_PROTO'] = 'https';
+		$_SERVER['HTTPS'] = 'off';
+
+		$this->assertEquals(is_ssl(), true);
+	}
+
+	/**
+	 * Not running behind a proxy, HTTPS server
+	 * HTTPS set to on,
+	 * HTTP_X_FORWARDED_PROTO not set
+	 */
+	function test4() {
+		$_SERVER['HTTPS'] = 'on';
+
+		$this->assertEquals(is_ssl(), true);
+	}
+
+	/**
+	 * Not running behind a proxy, plain HTTP server
+	 * HTTPS not set
+	 * HTTP_X_FORWARDED_PROTO not set
+	 */
+	function test5() {
+		$this->assertEquals(is_ssl(), false);
+	}
+
+	/**
+	 * Not running behind a proxy, plain HTTP server
+	 * HTTPS set to off
+	 * HTTP_X_FORWARDED_PROTO not set
+	 */
+	function test6() {
+		$_SERVER['HTTPS'] = 'off';
+		$this->assertEquals(is_ssl(), false);
+	}
+
+	/**
+	 * Running behind an SSL proxy, SSL between proxy and HTTP server
+	 * HTTPS set to on,
+	 * HTTP_X_FORWARDED_PROTO set to https
+	 */
+	function test7() {
+		$_SERVER['HTTP_X_FORWARDED_PROTO'] = 'https';
+		$_SERVER['HTTPS'] = 'on';
+
+		$this->assertEquals(is_ssl(), true);
+	}
+}