PhpStrom stuff

.gitignore

@@ -1 +1,2 @@
 vendor/
+/.phpunit.result.cache

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/todo-list.iml" filepath="$PROJECT_DIR$/.idea/todo-list.iml" />
+    </modules>
+  </component>
+</project>

.idea/php-test-framework.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PhpTestFrameworkVersionCache">
+    <tools_cache>
+      <tool tool_name="PHPUnit">
+        <cache>
+          <versions>
+            <info id="interpreter-cc25df52-c356-4ba0-a7e8-8584ab3c0c28" version="9.5.9" />
+          </versions>
+        </cache>
+      </tool>
+    </tools_cache>
+  </component>
+</project>

.idea/php.xml

@@ -0,0 +1,116 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PhpIncludePathManager">
+    <include_path>
+      <path value="$PROJECT_DIR$/vendor/phpunit/php-timer" />
+      <path value="$PROJECT_DIR$/vendor/phpunit/phpunit" />
+      <path value="$PROJECT_DIR$/vendor/phpunit/php-text-template" />
+      <path value="$PROJECT_DIR$/vendor/phpunit/php-invoker" />
+      <path value="$PROJECT_DIR$/vendor/phpunit/php-file-iterator" />
+      <path value="$PROJECT_DIR$/vendor/myclabs/deep-copy" />
+      <path value="$PROJECT_DIR$/vendor/phpunit/php-code-coverage" />
+      <path value="$PROJECT_DIR$/vendor/webmozart/assert" />
+      <path value="$PROJECT_DIR$/vendor/phpspec/prophecy" />
+      <path value="$PROJECT_DIR$/vendor/nikic/php-parser" />
+      <path value="$PROJECT_DIR$/vendor/symfony/polyfill-ctype" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/type" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/diff" />
+      <path value="$PROJECT_DIR$/vendor/phpdocumentor/reflection-docblock" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/lines-of-code" />
+      <path value="$PROJECT_DIR$/vendor/phpdocumentor/type-resolver" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/object-enumerator" />
+      <path value="$PROJECT_DIR$/vendor/phpdocumentor/reflection-common" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/comparator" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/code-unit" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/cli-parser" />
+      <path value="$PROJECT_DIR$/vendor/theseer/tokenizer" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/exporter" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/version" />
+      <path value="$PROJECT_DIR$/vendor/composer" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/complexity" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/recursion-context" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/resource-operations" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/code-unit-reverse-lookup" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/global-state" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/environment" />
+      <path value="$PROJECT_DIR$/vendor/sebastian/object-reflector" />
+      <path value="$PROJECT_DIR$/vendor/phar-io/version" />
+      <path value="$PROJECT_DIR$/vendor/phar-io/manifest" />
+      <path value="$PROJECT_DIR$/vendor/doctrine/instantiator" />
+    </include_path>
+  </component>
+  <component name="PhpInterpreters">
+    <interpreters>
+      <interpreter id="cc25df52-c356-4ba0-a7e8-8584ab3c0c28" name="Debian" home="\\wsl$\Debian/usr/bin/php" debugger_id="php.debugger.XDebug">
+        <remote_data INTERPRETER_PATH="/usr/bin/php" HELPERS_PATH="" INITIALIZED="false" VALID="true" RUN_AS_ROOT_VIA_SUDO="false" DISTRIBUTION_ID="Debian" />
+      </interpreter>
+    </interpreters>
+  </component>
+  <component name="PhpInterpretersPhpInfoCache">
+    <phpInfoCache>
+      <interpreter name="Debian">
+        <phpinfo binary_type="PHP" php_cli="/usr/bin/php7.4" path_separator=":" remote_host="172.24.192.1" version="7.4.21">
+          <additional_php_ini>/etc/php/7.4/cli/conf.d/10-opcache.ini, /etc/php/7.4/cli/conf.d/10-pdo.ini, /etc/php/7.4/cli/conf.d/15-xml.ini, /etc/php/7.4/cli/conf.d/20-calendar.ini, /etc/php/7.4/cli/conf.d/20-ctype.ini, /etc/php/7.4/cli/conf.d/20-curl.ini, /etc/php/7.4/cli/conf.d/20-dom.ini, /etc/php/7.4/cli/conf.d/20-exif.ini, /etc/php/7.4/cli/conf.d/20-ffi.ini, /etc/php/7.4/cli/conf.d/20-fileinfo.ini, /etc/php/7.4/cli/conf.d/20-ftp.ini, /etc/php/7.4/cli/conf.d/20-gettext.ini, /etc/php/7.4/cli/conf.d/20-iconv.ini, /etc/php/7.4/cli/conf.d/20-json.ini, /etc/php/7.4/cli/conf.d/20-mbstring.ini, /etc/php/7.4/cli/conf.d/20-phar.ini, /etc/php/7.4/cli/conf.d/20-posix.ini, /etc/php/7.4/cli/conf.d/20-readline.ini, /etc/php/7.4/cli/conf.d/20-shmop.ini, /etc/php/7.4/cli/conf.d/20-simplexml.ini, /etc/php/7.4/cli/conf.d/20-sockets.ini, /etc/php/7.4/cli/conf.d/20-sysvmsg.ini, /etc/php/7.4/cli/conf.d/20-sysvsem.ini, /etc/php/7.4/cli/conf.d/20-sysvshm.ini, /etc/php/7.4/cli/conf.d/20-tokenizer.ini, /etc/php/7.4/cli/conf.d/20-xmlreader.ini, /etc/php/7.4/cli/conf.d/20-xmlwriter.ini, /etc/php/7.4/cli/conf.d/20-xsl.ini, /etc/php/7.4/cli/conf.d/20-zip.ini</additional_php_ini>
+          <configuration_file>/etc/php/7.4/cli/php.ini</configuration_file>
+          <configuration_options>
+            <configuration_option name="include_path" value=".:/usr/share/php" />
+          </configuration_options>
+          <debuggers />
+          <loaded_extensions>
+            <extension name="Core" />
+            <extension name="FFI" />
+            <extension name="PDO" />
+            <extension name="Phar" />
+            <extension name="Reflection" />
+            <extension name="SPL" />
+            <extension name="SimpleXML" />
+            <extension name="Zend OPcache" />
+            <extension name="calendar" />
+            <extension name="ctype" />
+            <extension name="curl" />
+            <extension name="date" />
+            <extension name="dom" />
+            <extension name="exif" />
+            <extension name="fileinfo" />
+            <extension name="filter" />
+            <extension name="ftp" />
+            <extension name="gettext" />
+            <extension name="hash" />
+            <extension name="iconv" />
+            <extension name="json" />
+            <extension name="libxml" />
+            <extension name="mbstring" />
+            <extension name="openssl" />
+            <extension name="pcntl" />
+            <extension name="pcre" />
+            <extension name="posix" />
+            <extension name="readline" />
+            <extension name="session" />
+            <extension name="shmop" />
+            <extension name="sockets" />
+            <extension name="sodium" />
+            <extension name="standard" />
+            <extension name="sysvmsg" />
+            <extension name="sysvsem" />
+            <extension name="sysvshm" />
+            <extension name="tokenizer" />
+            <extension name="xml" />
+            <extension name="xmlreader" />
+            <extension name="xmlwriter" />
+            <extension name="xsl" />
+            <extension name="zip" />
+            <extension name="zlib" />
+          </loaded_extensions>
+        </phpinfo>
+      </interpreter>
+    </phpInfoCache>
+  </component>
+  <component name="PhpProjectSharedConfiguration" php_language_level="8.0">
+    <option name="suggestChangeDefaultLanguageLevel" value="false" />
+  </component>
+  <component name="PhpUnit">
+    <phpunit_settings>
+      <PhpUnitSettings custom_loader_path="$PROJECT_DIR$/vendor/autoload.php" />
+    </phpunit_settings>
+  </component>
+</project>

.idea/todo-list.iml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/spec" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" packagePrefix="MMK2410\MyTodoList\" />
+      <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phpunit/php-timer" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phpunit/phpunit" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phpunit/php-text-template" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phpunit/php-invoker" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phpunit/php-file-iterator" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/myclabs/deep-copy" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phpunit/php-code-coverage" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/webmozart/assert" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phpspec/prophecy" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/nikic/php-parser" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/polyfill-ctype" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/type" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/diff" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phpdocumentor/reflection-docblock" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/lines-of-code" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phpdocumentor/type-resolver" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/object-enumerator" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phpdocumentor/reflection-common" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/comparator" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/code-unit" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/cli-parser" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/theseer/tokenizer" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/exporter" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/version" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/composer" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/complexity" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/recursion-context" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/resource-operations" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/code-unit-reverse-lookup" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/global-state" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/environment" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/sebastian/object-reflector" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phar-io/version" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/phar-io/manifest" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/doctrine/instantiator" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

src/Email.php

@@ -1,33 +0,0 @@
-<?php declare(strict_types=1);
-
-namespace MMK2410\MyTodoList;
-
-final class Email
-{
-    private $email;
-
-    private function __construct(string $email)
-    {
-        $this->ensureIsValidEmail($email);
-        $this->email = $email;
-    }
-
-    public static function fromString(string $email): self
-    {
-        return new self($email);
-    }
-
-    public function __toString(): string
-    {
-        return $this->email;
-    }
-
-    private function ensureIsValidEmail(string $email): void
-    {
-        if(!filter_var($email, FILTER_VALIDATE_EMAIL)) {
-            throw new \InvalidArgumentException(
-                sprintf("%s is not a valid email address", $email)
-            );
-        }
-    }
-}

src/Todo.php

@@ -0,0 +1,56 @@
+<?php declare(strict_types=1);
+
+namespace MMK2410\MyTodoList;
+
+class Todo
+{
+    const ExceptionMsgInvalidTitle = "Empty task title not allowed";
+
+    private string $title;
+    private string $state;
+
+    public function __construct(string $title)
+    {
+        $this->validateTitle($title);
+        $this->title = $title;
+        $this->state = TodoStates::Todo;
+    }
+
+    public function getTitle(): string
+    {
+        return $this->title;
+    }
+
+    public function setTitle(string $title): void
+    {
+        $this->validateTitle($title);
+        $this->title = $title;
+    }
+
+    public function getStatus(): string
+    {
+        return $this->state;
+    }
+
+    public function setState(string $state): void
+    {
+        $this->validateState($state);
+        $this->state = $state;
+    }
+
+    private function validateTitle(string $title): void
+    {
+        if (empty($title)) {
+            throw new \InvalidArgumentException(self::ExceptionMsgInvalidTitle);
+        }
+    }
+
+    private function validateState(string $state): void
+    {
+        $reflect = new \ReflectionClass(TodoStates::class);
+        $constantFound = $reflect->getConstant($state);
+        if ($constantFound === FALSE) {
+            throw new \InvalidArgumentException("Invalid state tried to set.");
+        }
+    }
+}

src/TodoStates.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace MMK2410\MyTodoList;
+
+abstract class TodoStates
+{
+    const Todo = "Todo";
+    const Done = "Done";
+}

tests/EmailTest.php

@@ -1,27 +0,0 @@
-<?php declare(strict_types=1);
-use PHPUnit\Framework\TestCase;
-use MMK2410\MyTodoList\Email;
-
-final class EmailTest extends TestCase
-{
-    private $email = 'user@example.com';
-
-    public function testCanBeCreatedFromValidEmailAddress(): void {
-        $this->assertInstanceOf(
-            Email::class,
-            Email::fromString($this->email)
-        );
-    }
-
-    public function testCannotBeCreatedFromInvalidEmailAddress(): void {
-        $this->expectException(InvalidArgumentException::class);
-        Email::fromString('invalid');
-    }
-
-    public function testCanBeUsedAsString(): void {
-        $this->assertEquals(
-            $this->email,
-            Email::fromString($this->email)
-        );
-    }
-}

tests/TodoTest.php

@@ -0,0 +1,67 @@
+<?php declare(strict_types=1);
+
+use MMK2410\MyTodoList\Todo;
+use MMK2410\MyTodoList\TodoStates;
+use PHPUnit\Framework\TestCase;
+
+class TodoTest extends TestCase
+{
+    public function testCreateTodo(): void
+    {
+        $title = "Some task";
+        $todo = new Todo($title);
+        $this->assertEquals(
+            $title,
+            $todo->getTitle(),
+            "Expected title '$title', but got '{$todo->getTitle()}'"
+        );
+    }
+
+    public function testDontCreateEmptyTodo(): void
+    {
+        $this->expectException(\InvalidArgumentException::class);
+        $this->expectExceptionMessage(Todo::ExceptionMsgInvalidTitle);
+        new Todo("");
+    }
+
+    public function testUpdateTitle(): void
+    {
+        $anotherTitle = "Another title";
+        $todo = new Todo("Some title");
+        $todo->setTitle($anotherTitle);
+        $this->assertEquals(
+            $anotherTitle,
+            $todo->getTitle(),
+            "Expected new title $anotherTitle, but got {$todo->getTitle()}"
+        );
+    }
+
+    public function testNewTodoState(): void
+    {
+        $todo = new Todo("stub");
+        $this->assertEquals(
+            TodoStates::Todo,
+            $todo->getStatus(),
+            "Expected todo state 'Todo', but got {$todo->getStatus()}"
+        );
+    }
+
+    public function testChangeTodoState(): void
+    {
+        $todo = new Todo("stub");
+        $todo->setState(TodoStates::Done);
+        $this->assertEquals(
+            TodoStates::Done,
+            $todo->getStatus(),
+            "Expected todo state 'Done', but got {$todo->getStatus()}"
+        );
+    }
+
+    public function testSetBogusTodoState(): void
+    {
+       $todo = new Todo("stub");
+       $this->expectException(\InvalidArgumentException::class);
+       $this->expectExceptionMessage("Invalid state tried to set.");
+       $todo->setState("bogus");
+    }
+}