wip

tests/Fixtures/Tia/app/app/Calculator.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Fixture\App;
+
+final class Calculator
+{
+    public function add(int $a, int $b): int
+    {
+        return $a + $b;
+    }
+
+    public function subtract(int $a, int $b): int
+    {
+        return $a - $b;
+    }
+}

tests/Fixtures/Tia/app/app/Greeter.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Fixture\App;
+
+final class Greeter
+{
+    public function greet(string $name): string
+    {
+        return sprintf('Hello, %s!', $name);
+    }
+}

tests/Fixtures/Tia/app/composer.json

@@ -0,0 +1,9 @@
+{
+    "name": "pest/tia-fixture",
+    "description": "Throwaway project the TIA scenario tests scaffold into a temp directory.",
+    "license": "MIT",
+    "require": {},
+    "config": {
+        "lock": true
+    }
+}

tests/Fixtures/Tia/app/composer.lock

@@ -0,0 +1,17 @@
+{
+    "_readme": [
+        "Hand-written: the fixture project installs nothing. It exists so the TIA",
+        "fingerprint has a composer.lock to hash, the way a real project does."
+    ],
+    "content-hash": "0000000000000000000000000000000000",
+    "packages": [],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": {},
+    "prefer-stable": true,
+    "prefer-lowest": false,
+    "platform": {},
+    "platform-dev": {},
+    "plugin-api-version": "2.6.0"
+}

tests/Fixtures/Tia/app/phpunit.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.0/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         cacheDirectory=".phpunit.cache"
+         colors="true"
+         failOnRisky="true"
+         failOnWarning="false"
+>
+  <testsuites>
+    <testsuite name="default">
+      <directory suffix="Test.php">./tests</directory>
+    </testsuite>
+  </testsuites>
+  <source>
+    <include>
+      <directory suffix=".php">./app</directory>
+    </include>
+  </source>
+</phpunit>

tests/Fixtures/Tia/app/tests/Feature/CoversCalculatorTest.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+use Fixture\App\Calculator;
+
+// A second test file over the same source file, so a `Calculator` edit narrows
+// to two of the three test files rather than to one.
+test('adds within a feature test', function (): void {
+    expect((new Calculator)->add(10, 5))->toBe(15);
+});
+
+test('subtracts within a feature test', function (): void {
+    expect((new Calculator)->subtract(10, 5))->toBe(5);
+});

tests/Fixtures/Tia/app/tests/Pest.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+// The fixture project has no composer autoloader of its own — its `vendor/`
+// holds nothing but a shim pointing back at Pest's. Requiring the two classes
+// here is enough for every test file in the suite.
+require_once __DIR__.'/../app/Calculator.php';
+require_once __DIR__.'/../app/Greeter.php';

tests/Fixtures/Tia/app/tests/Unit/CalculatorTest.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+use Fixture\App\Calculator;
+
+// `test()` rather than `it()`: the harness seeds results by test id, and `it()`
+// would prefix every description with `it `, leaving Project::TESTS a step away
+// from what is written here.
+test('adds two numbers', function (): void {
+    expect((new Calculator)->add(1, 2))->toBe(3);
+});
+
+test('subtracts two numbers', function (): void {
+    expect((new Calculator)->subtract(3, 1))->toBe(2);
+});

tests/Fixtures/Tia/app/tests/Unit/GreeterTest.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+use Fixture\App\Greeter;
+
+test('greets a person', function (): void {
+    expect((new Greeter)->greet('Nuno'))->toBe('Hello, Nuno!');
+});
+
+test('greets the world', function (): void {
+    expect((new Greeter)->greet('world'))->toBe('Hello, world!');
+});