124 lines
3.2 KiB
PHP
124 lines
3.2 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Tests\Feature;
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use App\Models\Tracker;
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use Illuminate\Foundation\Testing\RefreshDatabase;
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use PHPUnit\Framework\Attributes\DataProvider;
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use Tests\TestCase;
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class CounterTest extends TestCase
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{
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use RefreshDatabase;
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private function tracker(int $count = 0): Tracker
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{
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return Tracker::factory()->create(['count' => $count]);
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}
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public function test_increment_adds_exactly_one(): void
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{
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$tracker = $this->tracker(5);
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$response = $this->postJson('/increment');
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$response->assertOk()->assertJson(['count' => 6]);
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$this->assertSame(6, $tracker->refresh()->count);
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}
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public function test_increments_accumulate(): void
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{
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$tracker = $this->tracker();
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$this->postJson('/increment');
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$this->postJson('/increment');
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$this->postJson('/increment');
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$this->assertSame(3, $tracker->refresh()->count);
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}
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public function test_increment_returns_404_without_a_tracker(): void
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{
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$this->postJson('/increment')->assertNotFound();
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}
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public function test_count_can_be_set_to_an_absolute_value(): void
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{
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$tracker = $this->tracker(3);
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$response = $this->patchJson('/count', ['count' => 250]);
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$response->assertOk()->assertJson(['count' => 250]);
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$this->assertSame(250, $tracker->refresh()->count);
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}
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public function test_count_can_be_set_to_zero(): void
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{
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$tracker = $this->tracker(42);
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$this->patchJson('/count', ['count' => 0])->assertOk();
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$this->assertSame(0, $tracker->refresh()->count);
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}
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/**
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* @return array<string, array{mixed}>
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*/
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public static function invalidCounts(): array
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{
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return [
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'negative' => [-1],
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'non-numeric string' => ['abc'],
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'fractional' => [1.5],
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'above unsigned int ceiling' => [4294967296],
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];
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}
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#[DataProvider('invalidCounts')]
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public function test_count_rejects_invalid_values(mixed $value): void
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{
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$tracker = $this->tracker(7);
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$this->patchJson('/count', ['count' => $value])
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->assertStatus(422)
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->assertJsonValidationErrors('count');
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$this->assertSame(7, $tracker->refresh()->count);
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}
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public function test_count_requires_a_value(): void
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{
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$this->tracker();
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$this->patchJson('/count', [])
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->assertStatus(422)
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->assertJsonValidationErrors('count');
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}
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public function test_count_returns_404_without_a_tracker(): void
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{
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$this->patchJson('/count', ['count' => 5])->assertNotFound();
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}
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public function test_counter_endpoints_return_json_not_redirects(): void
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{
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$this->tracker();
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$this->postJson('/increment')
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->assertOk()
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->assertHeader('content-type', 'application/json');
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$this->patchJson('/count', ['count' => 1])
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->assertOk()
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->assertHeader('content-type', 'application/json');
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}
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public function test_count_is_cast_to_an_integer(): void
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{
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$this->tracker(12);
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$this->assertSame(12, Tracker::first()->count);
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}
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}
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