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I am run unit test for catalog module. There are error display like below in cmd:

Fatal error: Call to undefined function Magento\Catalog\Block\Adminhtml\Product\Edit\Action\Attribute\Tab__() in /var/www/html/magento2/vendor/magento/module-catalog/Block/Adminhtml/Product/Edit/Action/Attribute/Tab/Inventory.php on line 89

And in Test folder error like below:

Magento\Catalog\Block\Adminhtml\Product\Edit\Action\Attribute\Tab\Inventory->getTabLabel() /var/www/html/magento2/vendor/magento/module-catalog/Test/Unit/Block/Adminhtml/Product/Edit/Action/Attribute/Tab/InventoryTest.php:148

what is the cause of issue for error in magento 2.

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It looks like you run this command line without phpunit.xml.dist:
vendor/phpunit/phpunit/phpunit app/code/Magento/Catalog/Test/Unit/Block/Adminhtml/Product/Edit/Action/Attribute/Tab/InventoryTest.php

You need to use phpunit.xml.dist, that contains attribute bootstrap="./framework/bootstrap.php", because this bootstrap file includes BP . '/app/functions.php', that defines global function __()

To run this one test try to use this command line from the magento project root:

vendor/phpunit/phpunit/phpunit -c dev/tests/unit/phpunit.xml.dist vendor/magento/module-catalog/Test/Unit/Block/Adminhtml/Product/Edit/Action/Attribute/Tab/InventoryTest.php

Also look how to Run tests for a specific module in Magento2

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  • hi, my code is inside vendor/magento/module-catalog folder. i want to unit test for core module.
    – Rakesh Jesadiya
    Dec 14, 2015 at 10:25
  • @Rakesh Jesadiya, I've updated my answer
    – Arkadii Chyzhov
    Dec 14, 2015 at 10:30
  • from magento/bin, we have to run command you have given?
    – Rakesh Jesadiya
    Dec 17, 2015 at 9:53
  • You should run it from the magento project root or you should specify absolute paths for the command line, e.g. /var/www/magento2/vendor/phpunit/phpunit/phpunit -c /var/www/magento2/dev/tests/unit/phpunit.xml.dist /var/www/magento2/vendor/magento/module-catalog/Test/Unit/Block/Adminhtml/Product/Edit/Action/Attribute/Tab/InventoryTest.php
    – Arkadii Chyzhov
    Dec 17, 2015 at 10:20

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