Improve login and registration pages (#2794)

* Keep the user on login page on failure

* Show an error if username already exists

* Check the password format in the backend

* Return a better message if username is invalid

* Add a title to the login page

* wip: Improve look of login and register pages

* Set a capital M in username help message

On the registration page, username tip started with a minuscule, while
the password tip started with a capital.

* Change message if username is taken

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/app/Utils/passwordUtilTest.php b/tests/app/Utils/passwordUtilTest.php
new file mode 100644
index 000000000..90c05004f
--- /dev/null
+++ b/tests/app/Utils/passwordUtilTest.php
@@ -0,0 +1,27 @@
+<?php
+
+class FreshRSS_password_UtilTest extends PHPUnit\Framework\TestCase {
+	public function testCheck() {
+		$password = '1234567';
+
+		$ok = FreshRSS_password_Util::check($password);
+
+		$this->assertTrue($ok);
+	}
+
+	public function testCheckReturnsFalseIfEmpty() {
+		$password = '';
+
+		$ok = FreshRSS_password_Util::check($password);
+
+		$this->assertFalse($ok);
+	}
+
+	public function testCheckReturnsFalseIfLessThan7Characters() {
+		$password = '123456';
+
+		$ok = FreshRSS_password_Util::check($password);
+
+		$this->assertFalse($ok);
+	}
+}