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tests/Airwire/ComponentTest.php

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+<?php
+
+use Airwire\Airwire;
+use Airwire\Attributes\Wired;
+use Airwire\Component;
+use Illuminate\Database\Eloquent\Collection;
+
+use function Pest\Laravel\withoutExceptionHandling;
+
+beforeEach(fn () => Airwire::component('test-component', TestComponent::class));
+
+test('properties are shared only if they have the Wired attribute', function () {
+    expect(TestComponent::test()
+        ->state(['foo' => 'abc', 'bar' => 'xyz'])
+        ->send()
+        ->data
+    )->toBe(['bar' => 'xyz', 'results' => [], 'second' => []]); // foo is not Wired
+});
+
+test('methods are shared only if they have the Wired attribute', function () {
+    expect(TestComponent::test()->call('foo')->send()->call('foo'))->toBeNull();
+    expect(TestComponent::test()->call('bar')->send()->call('bar'))->not()->toBeNull();
+});
+
+test('exceptions thrown during method execution are returned in the metadata', function () {
+    expect(TestComponent::test()->call('brokenMethod')->send()->exceptions())->toHaveKey('brokenMethod')->toHaveCount(1);
+    expect(TestComponent::test()->call('brokenMethod')->send()->exceptions('brokenMethod'))->toMatchArray(['message' => 'foobar']);
+});
+
+test('readonly properties are not accepted by the component', function () {
+    expect(TestComponent::test()->state(['results' => 'foo'])->send()->data)->not()->toHaveKey('readonly');
+});
+
+test('mount can return readonly data', function () {
+    $response = TestComponent::test()->call('mount')->send();
+
+    expect($response->call('mount'))
+        ->toHaveKey('results', 'foo')
+        ->not()->toHaveKey('readonly');
+});
+
+test('properties can have custom default values', function () {
+    expect(TestComponent::test()->hydrate()->getState()['results'])->toBeInstanceOf(Collection::class);
+    expect(TestComponent::test()->hydrate()->getState()['results']->all())->toBe([]);
+});
+
+test('the frontend can send an array that should be assigned to a collection', function () {
+    expect(TestComponent::test()->state(['second' => ['foo' => 'bar']])->hydrate()->second->all())->toBe(['foo' => 'bar']);
+});
+
+class TestComponent extends Component
+{
+    public $foo;
+
+    #[Wired]
+    public $bar;
+
+    #[Wired(readonly: true, default: [])]
+    public Collection $results;
+
+    #[Wired(default: [])]
+    public Collection $second;
+
+    public function mount()
+    {
+        return [
+            'readonly' => [
+                'results' => 'foo',
+            ],
+            'bar' => 'abc',
+        ];
+    }
+
+    public function foo(): int
+    {
+        return 1;
+    }
+
+    #[Wired]
+    public function bar(): int
+    {
+        return 2;
+    }
+
+    #[Wired]
+    public function brokenMethod()
+    {
+        throw new Exception('foobar');
+    }
+}