import com.google.common.collect.ImmutableList;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link Graphs#hasCycle(Graph)} and {@link Graphs#hasCycle(Network)}. */
// TODO(user): Consider moving this to GraphsTest.
@RunWith(JUnit4.class)
public class GraphPropertiesTest {
  ImmutableList<MutableGraph<Integer>> graphsToTest;

import com.google.common.collect.testing.features.ListFeature;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Test suite covering {@link Floats#asList(float[])})}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible(emulated = true)
public class FloatArrayAsListTest extends TestCase {

  private static List<Float> asList(Float[] values) {

import com.google.common.collect.testing.testers.TestExceptions.SomeUncheckedException;
import java.util.Map;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@link Map#compute}. Can't be invoked directly; please see
 * {@link com.google.common.collect.testing.MapTestSuiteBuilder}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible

import com.google.common.collect.testing.features.ListFeature;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Test suite covering {@link Floats#asList(float[])})}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible(emulated = true)
public class FloatArrayAsListTest extends TestCase {

  private static List<Float> asList(Float[] values) {

import com.google.common.collect.testing.features.ListFeature;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Test suite covering {@link Ints#asList(int[])}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible(emulated = true)
@SuppressWarnings("cast") // redundant casts are intentional and harmless
public class IntArrayAsListTest extends TestCase {

import java.io.OutputStream;
import java.nio.file.attribute.PosixFileAttributeView;
import java.nio.file.attribute.PosixFileAttributes;
import java.util.Arrays;

/**
 * Unit tests for {@link FileBackedOutputStream}.
 *
 * <p>For a tiny bit more testing, see {@link FileBackedOutputStreamAndroidIncompatibleTest}.
 *
 * @author Chris Nokleberg
 */
public class FileBackedOutputStreamTest extends IoTestCase {

   * but the latest value for each key. This class exists only so that we can use {@link
   * MultimapsCollectionTest#populateMultimapForGet(Multimap, String[])} and similar methods to
   * populate a map to be passed to {@link Multimaps#forMap(Map)}. All tests should run against the
   * result of {@link #build()}.
   */
  private static final class PopulatableMapAsMultimap<K, V> extends ForwardingMultimap<K, V> {

///

/// info

👆 💪 ⚙️:

* `response_model_exclude_defaults=True`
* `response_model_exclude_none=True`

🔬 <a href="https://docs.pydantic.dev/latest/concepts/serialization/#modeldict" class="external-link" target="_blank">Pydantic 🩺</a> `exclude_defaults` &amp; `exclude_none`.

///

import org.apache.maven.model.v4.MavenStaxWriter;
import org.codehaus.plexus.util.xml.XmlStreamWriter;

/**
 * Handles serialization of a model into some kind of textual format like XML.
 *
 * @deprecated use {@link XmlStreamWriter} instead
 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultModelWriter implements ModelWriter {

    @Override

所以，下面这一行不会被执行：

```Python
    uvicorn.run(app, host="0.0.0.0", port=8000)
```

/// info

更多信息请检查 <a href="https://docs.python.org/3/library/__main__.html" class="external-link" target="_blank">Python 官方文档</a>.

///

## 使用你的调试器运行代码

由于是从代码直接运行的 Uvicorn 服务器，所以你可以从调试器直接调用 Python 程序（你的 FastAPI 应用）。

---

例如，你可以在 Visual Studio Code 中：

* 进入到「调试」面板。
* 「添加配置...」。