cf6a1369d4
Implements PredictionRequest (fuel_type validation with ValueError→ValidationException), PredictionController delegating to NationalFuelPredictionService, and 5 feature tests. Also fixes LEAST() MySQL-only function to a CASE WHEN expression for SQLite test compatibility. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
60 lines
2.4 KiB
PHP
60 lines
2.4 KiB
PHP
<?php
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use App\Enums\FuelType;
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use App\Models\Station;
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use App\Models\StationPriceCurrent;
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use Illuminate\Foundation\Testing\RefreshDatabase;
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uses(RefreshDatabase::class);
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it('returns a prediction response for diesel', function () {
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$this->getJson('/api/prediction?fuel_type=diesel')
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->assertOk()
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->assertJsonStructure([
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'fuel_type', 'current_avg', 'predicted_direction', 'predicted_change_pence',
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'confidence_score', 'confidence_label', 'action', 'reasoning',
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'prediction_horizon_days', 'region_key', 'methodology',
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'signals' => [
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'trend' => ['score', 'confidence', 'direction', 'detail', 'data_points', 'enabled'],
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'day_of_week' => ['score', 'confidence', 'direction', 'detail', 'data_points', 'enabled'],
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'brand_behaviour' => ['score', 'confidence', 'direction', 'detail', 'data_points', 'enabled'],
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'national_momentum' => ['score', 'confidence', 'direction', 'detail', 'data_points', 'enabled'],
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'regional_momentum' => ['score', 'confidence', 'direction', 'detail', 'data_points', 'enabled'],
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'price_stickiness' => ['score', 'confidence', 'direction', 'detail', 'data_points', 'enabled'],
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],
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])
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->assertJsonPath('fuel_type', 'b7_standard')
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->assertJsonPath('region_key', 'national');
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});
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it('includes current average from live prices', function () {
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$station = Station::factory()->create();
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StationPriceCurrent::factory()->create([
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'station_id' => $station->node_id,
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'fuel_type' => FuelType::B7Standard,
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'price_pence' => 14750,
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]);
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$response = $this->getJson('/api/prediction?fuel_type=diesel')->assertOk();
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expect($response->json('current_avg'))->toBe(147.5);
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});
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it('accepts optional lat and lng for regional context', function () {
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$this->getJson('/api/prediction?fuel_type=diesel&lat=52.5&lng=-0.2')
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->assertOk()
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->assertJsonPath('region_key', 'national'); // still national, regional_momentum signal updated internally
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});
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it('returns 422 when fuel_type is missing', function () {
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$this->getJson('/api/prediction')
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->assertUnprocessable()
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->assertJsonValidationErrors(['fuel_type']);
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});
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it('returns 422 for unknown fuel_type alias', function () {
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$this->getJson('/api/prediction?fuel_type=rocket_fuel')
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->assertUnprocessable()
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->assertJsonValidationErrors(['fuel_type']);
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});
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