EcomDev_PHPUnit Tip #2

For years, the test framework EcomDev_PHPUnit is quasi-standard for Magento unit tests. The current version is 0.3.7 and last state of official documentation is version 0.2.0 – since then, much has changed which you have to search yourself in code and GitHub issues. This series shall collect practical usage tips.

Tip #2: Expectation Keys

This is a short one: expected('works %s sprintf', 'like').

Which expectations should be loaded, usually depends on input data, so if your expectation file looks like this:

- product-1-qty-10:
  - answer: 42
- product-2-qty-10:
  - answer: 42

you can load it in the test like this:

/**
 * @test
 * @loadExpectation
 * @loadFixture
 * @dataProvider dataProvider
 */
public function testSomething($productId, $qty)
{
  $expectedAnswer = $this->expected('product-%s-qty-%s', $productId, $qty);
}

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