Add toHaveMethod arch expectation

src/Exceptions/NoDirtyTestsFound.php

@@ -14,7 +14,7 @@ use Symfony\Component\Console\Output\OutputInterface;
 /**
  * @internal
  */
-final class NoDirtyTestsFound extends InvalidArgumentException implements ExceptionInterface, RenderlessEditor, RenderlessTrace, Panicable
+final class NoDirtyTestsFound extends InvalidArgumentException implements ExceptionInterface, Panicable, RenderlessEditor, RenderlessTrace
 {
     /**
      * Renders the panic on the given output.

src/Expectation.php

@@ -501,6 +501,19 @@ final class Expectation
         );
     }
 
+    /**
+     * Asserts that the given expectation target have a specific method.
+     */
+    public function toHaveMethod(string $method): ArchExpectation
+    {
+        return Targeted::make(
+            $this,
+            fn (ObjectDescription $object): bool => $object->reflectionClass->hasMethod($method),
+            'to have method',
+            FileLineFinder::where(fn (string $line): bool => str_contains($line, 'class')),
+        );
+    }
+
     /**
      * Asserts that the given expectation target is enum.
      */

src/Expectations/OppositeExpectation.php

@@ -149,6 +149,19 @@ final class OppositeExpectation
         );
     }
 
+    /**
+     * Asserts that the given expectation target does not have a specific method.
+     */
+    public function toHaveMethod(string $method): ArchExpectation
+    {
+        return Targeted::make(
+            $this->original,
+            fn (ObjectDescription $object): bool => ! $object->reflectionClass->hasMethod($method),
+            'to not have method',
+            FileLineFinder::where(fn (string $line): bool => str_contains($line, 'class')),
+        );
+    }
+
     /**
      * Asserts that the given expectation target is not enum.
      */

tests/Features/Expect/toHaveMethod.php

@@ -1,28 +1,29 @@
 <?php
 
-use PHPUnit\Framework\ExpectationFailedException;
+use Pest\Arch\Exceptions\ArchExpectationFailedException;
 
-$object = new class
-{
-    public function foo(): void
-    {
-    }
-};
+test('class has method')
+    ->expect('Tests\Fixtures\Arch\ToHaveMethod\HasMethod\HasMethod')
+    ->toHaveMethod('foo');
 
-test('pass', function () use ($object) {
-    expect($object)->toHaveMethod('foo')
-        ->and($object)->toHaveMethod('foo')
-        ->and($object)->not->toHaveMethod('fooNull');
-});
+test('opposite class has method')
+    ->throws(ArchExpectationFailedException::class)
+    ->expect('Tests\Fixtures\Arch\ToHaveMethod\HasMethod\HasMethod')
+    ->not->toHaveMethod('foo');
 
-test('failures', function () use ($object) {
-    expect($object)->toHaveMethod('bar');
-})->throws(ExpectationFailedException::class);
+test('class has method via a parent class')
+    ->expect('Tests\Fixtures\Arch\ToHaveMethod\HasMethod\HasMethodViaParent')
+    ->toHaveMethod('foo');
 
-test('failures with message', function () use ($object) {
-    expect($object)->toHaveMethod(name: 'bar', message: 'oh no!');
-})->throws(ExpectationFailedException::class, 'oh no!');
+test('class has method via a trait')
+    ->expect('Tests\Fixtures\Arch\ToHaveMethod\HasMethod\HasMethodViaTrait')
+    ->toHaveMethod('foo');
 
-test('not failures', function () use ($object) {
-    expect($object)->not->toHaveMethod('foo');
-})->throws(ExpectationFailedException::class);
+test('failure when the class has no method')
+    ->throws(ArchExpectationFailedException::class)
+    ->expect('Tests\Fixtures\Arch\ToHaveMethod\HasNoMethod\HasNoMethodClass')
+    ->toHaveMethod('foo');
+
+test('class has no method')
+    ->expect('Tests\Fixtures\Arch\ToHaveMethod\HasNoMethod\HasNoMethodClass')
+    ->not->toHaveMethod('foo');

tests/Fixtures/Arch/ToHaveMethod/HasMethod/HasMethod.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Arch\ToHaveMethod\HasMethod;
+
+class HasMethod
+{
+    public function foo(): void
+    {
+
+    }
+}

tests/Fixtures/Arch/ToHaveMethod/HasMethod/HasMethodTrait.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Arch\ToHaveMethod\HasMethod;
+
+trait HasMethodTrait
+{
+    public function foo(): void
+    {
+
+    }
+}

tests/Fixtures/Arch/ToHaveMethod/HasMethod/HasMethodViaParent.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Arch\ToHaveMethod\HasMethod;
+
+class HasMethodViaParent extends ParentHasMethodClass
+{
+    //
+}

tests/Fixtures/Arch/ToHaveMethod/HasMethod/HasMethodViaTrait.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Arch\ToHaveMethod\HasMethod;
+
+class HasMethodViaTrait
+{
+    use HasMethodTrait;
+}

tests/Fixtures/Arch/ToHaveMethod/HasMethod/ParentHasMethodClass.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Arch\ToHaveMethod\HasMethod;
+
+class ParentHasMethodClass
+{
+    public function foo(): void
+    {
+
+    }
+}

tests/Fixtures/Arch/ToHaveMethod/HasNoMethod/HasNoMethodClass.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Arch\ToHaveMethod\HasNoMethod;
+
+class HasNoMethodClass
+{
+    public function bar(): void
+    {
+
+    }
+}