fuel-price/tests/Feature/Api/UserControllerTest.php

<?php

use App\Models\User;
use Laravel\Sanctum\Sanctum;

it('returns user preferences for authenticated user', function (): void {
    $user = User::factory()->create(['preferred_fuel_type' => 'diesel']);
    Sanctum::actingAs($user);

    $this->getJson('/api/user/preferences')
        ->assertOk()
        ->assertJsonFragment(['preferred_fuel_type' => 'diesel']);
});

it('updates user preferences', function (): void {
    $user = User::factory()->create(['preferred_fuel_type' => 'petrol']);
    Sanctum::actingAs($user);

    $this->putJson('/api/user/preferences', ['preferred_fuel_type' => 'diesel'])
        ->assertOk()
        ->assertJsonFragment(['preferred_fuel_type' => 'diesel']);

    expect($user->fresh()->preferred_fuel_type)->toBe('diesel');
});

it('rejects invalid fuel type in preferences update', function (): void {
    $user = User::factory()->create();
    Sanctum::actingAs($user);

    $this->putJson('/api/user/preferences', ['preferred_fuel_type' => 'aviation_fuel'])
        ->assertUnprocessable();
});

it('returns saved stations for authenticated user', function (): void {
    $user = User::factory()->create();
    Sanctum::actingAs($user);

    $this->getJson('/api/user/saved-stations')
        ->assertOk()
        ->assertJsonStructure(['data']);
});

it('saves a station', function (): void {
    $user = User::factory()->create();
    Sanctum::actingAs($user);

    $this->postJson('/api/user/saved-stations', ['station_id' => 'abc123'])
        ->assertCreated();

    expect($user->savedStations()->where('station_id', 'abc123')->exists())->toBeTrue();
});

it('removes a saved station', function (): void {
    $user = User::factory()->create();
    $user->savedStations()->create(['station_id' => 'abc123']);
    Sanctum::actingAs($user);

    $this->deleteJson('/api/user/saved-stations/abc123')
        ->assertNoContent();

    expect($user->savedStations()->where('station_id', 'abc123')->exists())->toBeFalse();
});

it('rejects unauthenticated requests to user endpoints', function (): void {
    $this->getJson('/api/user/preferences')->assertUnauthorized();
    $this->getJson('/api/user/saved-stations')->assertUnauthorized();
});