import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * A test which demonstrates maven's dependency management
 *
 */
@Deprecated
@SuppressWarnings("checkstyle:UnusedLocalVariable")
class ProjectInheritanceTest extends AbstractProjectInheritanceTestCase {

### Используйте атрибут `app.dependency_overrides` { #use-the-app-dependency-overrides-attribute }

Для таких случаев у вашего приложения **FastAPI** есть атрибут `app.dependency_overrides`, это простой `dict`.

# Klassen als Abhängigkeiten { #classes-as-dependencies }

Bevor wir tiefer in das **Dependency Injection** System eintauchen, lassen Sie uns das vorherige Beispiel verbessern.

## Ein `dict` aus dem vorherigen Beispiel { #a-dict-from-the-previous-example }

import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.RequestTrace;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.collection.CollectStepData;
import org.eclipse.aether.graph.Dependency;
import org.eclipse.aether.graph.DependencyNode;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.resolution.ArtifactDescriptorRequest;
import org.eclipse.aether.resolution.ArtifactRequest;

import org.elasticsearch.gradle.util.GradleUtils;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.Dependency;
import org.gradle.api.file.Directory;
import org.gradle.api.plugins.JavaBasePlugin;
import org.gradle.api.provider.Provider;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.SourceSetContainer;

### Dependency Injection { #dependency-injection }

FastAPI includes an extremely easy to use, but extremely powerful <dfn title='also known as "components", "resources", "services", "providers"'><strong>Dependency Injection</strong></dfn> system.

Ele alcança algo um tanto similar ao que pode ser feito com Flask-apispec.

Ele tem um sistema de injeção de dependência integrado, inspirado pelo Angular 2. É necessário fazer o pré-registro dos "injetáveis" (como todos os sistemas de injeção de dependência que conheço), então, adiciona verbosidade e repetição de código.

import java.util.Iterator;
import java.util.NoSuchElementException;
import org.jspecify.annotations.Nullable;

/**
 * Note this class is a copy of {@link com.google.common.collect.AbstractIterator} (for dependency
 * reasons).
 */
@GwtCompatible
abstract class AbstractIterator<T extends @Nullable Object> implements Iterator<T> {
  private State state = State.NOT_READY;

  protected AbstractIterator() {}

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * A test which demonstrates maven's dependency management
 *
 */
@Deprecated
@SuppressWarnings("checkstyle:UnusedLocalVariable")
class ProjectInheritanceTest extends AbstractProjectInheritanceTestCase {

### Використовуйте атрибут `app.dependency_overrides` { #use-the-app-dependency-overrides-attribute }

Для таких випадків ваш застосунок FastAPI має атрибут `app.dependency_overrides`, це простий `dict`.