<?php

namespace Tests\Feature;

use ProcessMaker\Exception\ExpressionFailedException;

use ProcessMaker\Exception\ScriptLanguageNotSupported;

use ProcessMaker\Exception\SyntaxErrorException;

use ProcessMaker\Models\FormalExpression;

use Tests\TestCase;

/**

* Test friendly enough expression language evaluator working together with mustache expressions

*/

class FEELFormulasTest extends TestCase

{

/**

* Test to use an unsupported language

*/

public function testUnsupportedLanguage()

{

$this->expectException(ScriptLanguageNotSupported::class);

$expresion = new FormalExpression();

$expresion->setLanguage('application/x-unsupported');

$expresion->setBody('"hello world"');

$response = $expresion([]);

}

/**

* Test formulas

*/

public function testCalculatedFields()

{

$expresion = new FormalExpression();

$expresion->setLanguage('FEEL');

// When calculation is true

$expresion->setBody('Height == 2 * Weight');

$response = $expresion(['Height' => 120, 'Weight' => 60]);

$this->assertSame(true, $response);

// When calculation is false

$expresion->setBody('Height == 1 * Weight');

$response = $expresion(['Height' => 120, 'Weight' => 60]);

$this->assertSame(false, $response);

}

/**

* Test formulas with strings concatenation

*/

public function testConcatenatedFormula()

{

$expresion = new FormalExpression();

$expresion->setLanguage('FEEL');

// When calculation is true

$expresion->setBody("Height == 'cm: ' ~ (2 * Weight)");

$response = $expresion(['Height' => 'cm: 120', 'Weight' => 60]);

$this->assertSame(true, $response);

// When calculation is false

$expresion->setBody("Height == 'cm: ' ~ (2 * Weight)");

$response = $expresion(['Height' => 'km: 120', 'Weight' => 60]);

$this->assertSame(false, $response);

}

}