drevops/phpcs-standard

class UserTest extends TestCase {
    /**
     * @dataProvider dataProviderValidCases
     */
    public function testSomething($input, $expected): void {
        $this->assertEquals($expected, $input);
    }

    public function dataProviderValidCases(): array {
        return [['input1', 'expected1']];
    }
}

class UserTest extends TestCase {
    /**
     * @dataProvider providerInvalidCases
     */
    public function testSomething($input, $expected): void {
        $this->assertEquals($expected, $input);
    }

    // ERROR: Data provider method "providerInvalidCases" should start with 
    // prefix "dataProvider", suggested name: "dataProviderInvalidCases"
    public function providerInvalidCases(): array {
        return [['input1', 'expected1']];
    }

    /**
     * @dataProvider casesForAnotherTest
     */
    public function testAnother($value): void {
        $this->assertNotEmpty($value);
    }

    // ERROR: Data provider method "casesForAnotherTest" should start with 
    // prefix "dataProvider", suggested name: "dataProviderForAnotherTest"
    public function casesForAnotherTest(): array {
        return [['value1']];
    }

    /**
     * @dataProvider provideDataForTest
     */
    public function testWithProvide($data): void {
        $this->assertIsString($data);
    }

    // ERROR: Data provider method "provideDataForTest" should start with 
    // prefix "dataProvider", suggested name: "dataProviderDataForTest"
    public function provideDataForTest(): array {
        return [['data1']];
    }
}

class UserTest extends TestCase {
    /**
     * @dataProvider dataProviderUserLogin
     */
    public function testUserLogin($user, $pass): void {
        $this->assertNotEmpty($user);
    }

    public function dataProviderUserLogin(): array {
        return [['user1', 'pass1']];
    }

    /**
     * @dataProvider providerEmailValidation
     */
    public function testEmailValidation($email): void {
        $this->assertNotEmpty($email);
    }

    // Different prefix is OK, as long as it ends with "EmailValidation"
    public function providerEmailValidation(): array {
        return [['[email protected]']];
    }

    /**
     * @dataProvider AuthenticationScenarios
     */
    public function testAuthenticationScenarios($scenario): void {
        $this->assertIsString($scenario);
    }

    // No prefix is OK, as long as it matches exactly
    public function AuthenticationScenarios(): array {
        return [['scenario1']];
    }

    #[DataProvider('dataProviderPasswordValidation')]
    public function testPasswordValidation($password): void {
        $this->assertNotEmpty($password);
    }

    // Works with PHP 8 attributes too
    public function dataProviderPasswordValidation(): array {
        return [['password123']];
    }
}

class UserTest extends TestCase {
    /**
     * @dataProvider dataProviderLogin
     */
    public function testUserLogin($user, $pass): void {
        $this->assertNotEmpty($user);
    }

    // ERROR: Data provider method "dataProviderLogin" does not match test 
    // method "testUserLogin". Expected provider name to end with "UserLogin"
    public function dataProviderLogin(): array {
        return [['user1', 'pass1']];
    }

    /**
     * @dataProvider dataProviderEmailValidationCases
     */
    public function testEmailValidation($email): void {
        $this->assertNotEmpty($email);
    }

    // ERROR: Data provider method "dataProviderEmailValidationCases" does not 
    // match test method "testEmailValidation". Expected provider name to end 
    // with "EmailValidation"
    public function dataProviderEmailValidationCases(): array {
        return [['[email protected]']];
    }

    /**
     * @dataProvider providerAuth
     */
    public function testAuthenticationScenarios($scenario): void {
        $this->assertIsString($scenario);
    }

    // ERROR: Data provider method "providerAuth" does not match test method 
    // "testAuthenticationScenarios". Expected provider name to end with 
    // "AuthenticationScenarios"
    public function providerAuth(): array {
        return [['scenario1']];
    }

    #[DataProvider('dataProviderPass')]
    public function testPasswordValidation($password): void {
        $this->assertNotEmpty($password);
    }

    // ERROR: Data provider method "dataProviderPass" does not match test 
    // method "testPasswordValidation". Expected provider name to end with 
    // "PasswordValidation"
    public function dataProviderPass(): array {
        return [['password123']];
    }
}

class UserTest extends TestCase {
    /**
     * @dataProvider dataProviderUserLogin
     */
    public function testUserLogin($user, $pass): void {
        $this->assertNotEmpty($user);
    }

    // Provider after test - CORRECT
    public function dataProviderUserLogin(): array {
        return [['user1', 'pass1']];
    }

    /**
     * @dataProvider dataProviderEmailValidation
     */
    public function testEmailValidation($email): void {
        $this->assertNotEmpty($email);
    }

    // Helper methods between test and provider are allowed
    private function helperValidate(): void {
        // Helper logic
    }

    // Provider still after test - CORRECT
    public function dataProviderEmailValidation(): array {
        return [['[email protected]']];
    }

    #[DataProvider('dataProviderAuthentication')]
    public function testAuthentication($scenario): void {
        $this->assertIsString($scenario);
    }

    // Works with PHP 8 attributes too
    public function dataProviderAuthentication(): array {
        return [['scenario1']];
    }
}

class UserTest extends TestCase {
    // Provider before test - WRONG ORDER
    public function dataProviderUserLogin(): array {
        return [['user1', 'pass1']];
    }

    /**
     * @dataProvider dataProviderUserLogin
     */
    // ERROR: Data provider method "dataProviderUserLogin" (line 10) appears 
    // before test method "testUserLogin" (line 17). Providers should be 
    // defined after their test methods
    public function testUserLogin($user, $pass): void {
        $this->assertNotEmpty($user);
    }

    // Another provider before test - WRONG ORDER
    public function dataProviderEmailValidation(): array {
        return [['[email protected]']];
    }

    /**
     * @dataProvider dataProviderEmailValidation
     */
    // ERROR: Data provider method "dataProviderEmailValidation" (line 24) 
    // appears before test method "testEmailValidation" (line 31). Providers 
    // should be defined after their test methods
    public function testEmailValidation($email): void {
        $this->assertNotEmpty($email);
    }
}