muninn/tests/Feature/VideoWorkflow/StepHandlers/StoryboardHandlerTest.php

<?php

use App\Models\AiProvider;
use App\Models\VideoProject;
use App\Support\AiProviders\AiProviderManager;
use App\Support\AssetStorage\AssetStorage;
use App\Support\VideoWorkflow\StepHandlers\StoryboardHandler;
use App\Support\VideoWorkflow\WorkflowEngine;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Storage;

beforeEach(function () {
    Storage::fake();
    $this->engine = new WorkflowEngine;
    $this->assets = new AssetStorage;
    $this->handler = new StoryboardHandler(app(AiProviderManager::class), $this->assets);
});

test('it breaks the script into scenes, stores them, and completes the step', function () {
    $scenesJson = json_encode(['scenes' => [
        ['scene_number' => 1, 'description' => 'Intro shot', 'visual_prompt' => 'a bright kitchen'],
        ['scene_number' => 2, 'description' => 'Demo', 'visual_prompt' => 'a chef cooking'],
    ]]);
    Http::fake(['api.openai.com/*' => Http::response(['choices' => [['message' => ['content' => $scenesJson]]]])]);
    AiProvider::factory()->create(['provider' => 'openai']);

    $project = VideoProject::factory()->create();
    $this->assets->store($project, 'script', 'A script about cooking.', 'txt');
    $step = $this->engine->start($project, [['type' => 'storyboard']]);

    $this->handler->handle($step, $this->engine);

    $fresh = $step->fresh();
    expect($fresh->status)->toBe('completed');
    expect($fresh->output['scene_count'])->toBe(2);

    $asset = \App\Models\Asset::find($fresh->output['asset_id']);
    expect($asset->type)->toBe('other');
    expect($asset->metadata['kind'])->toBe('storyboard');
    $stored = json_decode(Storage::get($asset->disk_path), true);
    expect($stored['scenes'])->toHaveCount(2);

    Http::assertSent(function ($request) {
        return str_contains($request['messages'][0]['content'], 'A script about cooking.')
            && ($request['response_format']['type'] ?? null) === 'json_object';
    });
});

test('a style hint is included in the prompt when given', function () {
    Http::fake(['api.openai.com/*' => Http::response(['choices' => [['message' => ['content' => json_encode(['scenes' => [['scene_number' => 1, 'description' => 'x', 'visual_prompt' => 'y']]])]]]])]);
    AiProvider::factory()->create(['provider' => 'openai']);

    $project = VideoProject::factory()->create();
    $step = $this->engine->start($project, [['type' => 'storyboard']]);
    $step->update(['input' => ['script' => 'a script', 'style' => 'noir black and white']]);

    $this->handler->handle($step->fresh(), $this->engine);

    Http::assertSent(fn ($request) => str_contains($request['messages'][0]['content'], 'noir black and white'));
});

test('it fails when there is no script to storyboard', function () {
    AiProvider::factory()->create(['provider' => 'openai']);

    $project = VideoProject::factory()->create();
    $step = $this->engine->start($project, [['type' => 'storyboard']]);

    $this->handler->handle($step, $this->engine);

    expect($step->fresh())
        ->status->toBe('failed')
        ->error->toContain('No script available');
});

test('it fails when no active OpenAI provider is configured', function () {
    $project = VideoProject::factory()->create();
    $this->assets->store($project, 'script', 'a script', 'txt');
    $step = $this->engine->start($project, [['type' => 'storyboard']]);

    $this->handler->handle($step, $this->engine);

    expect($step->fresh())
        ->status->toBe('failed')
        ->error->toContain('No active OpenAI provider');
});

test('it fails when the AI response has no usable scenes', function () {
    Http::fake(['api.openai.com/*' => Http::response(['choices' => [['message' => ['content' => '{"not_scenes": []}']]]])]);
    AiProvider::factory()->create(['provider' => 'openai']);

    $project = VideoProject::factory()->create();
    $this->assets->store($project, 'script', 'a script', 'txt');
    $step = $this->engine->start($project, [['type' => 'storyboard']]);

    $this->handler->handle($step, $this->engine);

    expect($step->fresh())
        ->status->toBe('failed')
        ->error->toContain('unusable storyboard');
});