public function testProcessExpressionsEncodesAllExpressions()
 {
     $context = new LayoutContext();
     $context->set('expressions_evaluate_deferred', true);
     $data = $this->getMock('Oro\\Component\\Layout\\DataAccessorInterface');
     $expr = $this->getMock('Oro\\Component\\ConfigExpression\\ExpressionInterface');
     $expr->expects($this->once())->method('toArray')->will($this->returnValue(['@true' => null]));
     $classExpr = new Func\GetValue();
     $classExpr->initialize([new PropertyPath('context.css_class')]);
     $classAttr = new OptionValueBag();
     $classAttr->add(['@value' => ['$context.css_class']]);
     $expectedClassAttr = new OptionValueBag();
     $expectedClassAttr->add('{"@value":{"parameters":["$context.css_class"]}}');
     $values['expr_object'] = $expr;
     $values['expr_array'] = ['@true' => null];
     $values['not_expr_array'] = ['\\@true' => null];
     $values['scalar'] = 123;
     $values['attr']['enabled'] = ['@true' => null];
     $values['attr']['class'] = $classAttr;
     $values['label_attr']['enabled'] = ['@true' => null];
     $this->expressionAssembler->expects($this->exactly(4))->method('assemble')->will($this->returnValueMap([[['@true' => null], new Condition\True()], [['@value' => ['$context.css_class']], $classExpr]]));
     $this->processor->processExpressions($values, $context, $data, false, 'json');
     $this->assertSame('{"@true":null}', $values['expr_object'], 'Failed asserting that an expression is encoded');
     $this->assertSame('{"@true":null}', $values['expr_array'], 'Failed asserting that an expression is assembled and encoded');
     $this->assertSame(['@true' => null], $values['not_expr_array'], 'Failed asserting that a backslash at the begin of the array key is removed');
     $this->assertSame(123, $values['scalar'], 'Failed asserting that a scalar value is not changed');
     $this->assertSame('{"@true":null}', $values['attr']['enabled'], 'Failed asserting that an expression in "attr" is assembled and encoded');
     $this->assertEquals($expectedClassAttr, $values['attr']['class'], 'Failed asserting that "attr.class" is assembled and encoded');
     $this->assertSame('{"@true":null}', $values['label_attr']['enabled'], 'Failed asserting that an expression in "label_attr" is assembled and encoded');
 }