How do you link a failing test to a reference when using $this->fail()?

Incorporating my custom assertion into Laravel's base TestCase class is something I'm working on. Here is a snippet of what it looks like:

<?php

namespace Tests\Mine;

use Tests\TestCase;

class SomeTest extends TestCase {
    public function testSomethingIsWorking(): void {
        $this->assertSomething("foo", "bar");
    }
}
<?php

namespace Tests;

use Illuminate\Foundation\Testing\TestCase as BaseTestCase;

class TestCase extends BaseTestCase {
    public function assertSomething($foo, $bar): void {
        $this->assertSomethingElse($foo, $bar);
    }

    public function assertSomethingElse($foo, $bar): void {
        if ($foo !== $bar) {
            $this->fail("Some message here");
        }
    }
}

Despite functioning correctly, when running artisan test, any failure triggers the display of the context within TestCase::assertSomethingElse(). This means that the precise location within the failing test script is not highlighted. The output generally resembles this:

FAILED Tests\Mine > something is working                    AssertionFailedError
Some message here

at tests/TestCase.php:10

  9  |        if ($foo !== bar)
➜ 10 |            $this->fail("Some message here");
  11 |        }

1   tests/TestCase.php:10
2   tests/TestCase.php:5

This behavior seems specific to Laravel; running just vendor/bin/phpunit suppresses contextual information and only traces back to the originating test script.

Is there a method to configure artisan test to display the relevant lines from

SomeTest::testSomethingIsWorking()
? Alternatively, is there a way to ensure that the stack trace at the end directly leads back to the original test?

Answer №1

Progress has been made with the following updates:

<?php

namespace Tests;

use Illuminate\Foundation\Testing\TestCase as BaseTestCase;

class TestCase extends BaseTestCase {
    public function assertSomething($foo, $bar): void {
        // placed assertion in a try block
        try {
            $this->assertSomethingElse($foo, $bar);
        } catch (Throwable $e) {
            $this->fail($e->getMessage());
        }
    }

    public function assertSomethingElse($foo, $bar): void {
        if ($foo !== $bar) {
            $this->fail("A certain message");
        }
    }
}

Although not the most aesthetically pleasing approach, it does provide a clear stack trace back to the test:

1   tests/TestCase.php:12
2   tests/Mine/SomeTest.php:8

Laravel handles test output through the nunomaduro/collision package, which is currently being explored.

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