Create functions with a name that starts with `test_` (this is standard `pytest` conventions).

Use the `TestClient` object the same way as you do with `httpx`.

Write simple `assert` statements with the standard Python expressions that you need to check (again, standard `pytest`).

{* ../../docs_src/app_testing/tutorial001_py310.py hl[2,12,15:18] *}

/// tip

import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.ConcurrentMap;
import junit.framework.Assert;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * A test utility that verifies that your methods and constructors throw {@link

          all media and formats whether now known or hereafter created,
          and to make technical modifications necessary to do so. The
          Licensor waives and/or agrees not to assert any right or
          authority to forbid You from making technical modifications
          necessary to exercise the Licensed Rights, including
          technical modifications necessary to circumvent Effective

import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.testing.NullPointerTester;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;

     */
    if (!isJava8()) {
      runTestMethod(NO_VAR_HANDLE);
    }

    runTestMethod(NO_UNSAFE);

    runTestMethod(NO_ATOMIC_REFERENCE_FIELD_UPDATER);
    // TODO(lukes): assert that the logs are full of errors
  }

  /**
   * Runs the corresponding {@link AbstractFutureTest} test method in a new classloader that
   * disallows certain core JDK classes.
   */

import static com.google.common.graph.GraphConstants.ENDPOINTS_MISMATCH;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.TruthJUnit.assume;
import static org.junit.Assert.assertThrows;
import static org.junit.Assert.fail;

import com.google.common.collect.ImmutableSet;
import com.google.common.testing.EqualsTester;
import java.util.Optional;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;

    }
    try {
      ClosingFuture.whenAllSucceed(asList(closingFuture));
      fail();
    } catch (IllegalStateException expected) {
    }
  }

  /** Asserts that marking this step a final step throws {@link IllegalStateException}. */
  protected void assertFinalStepThrowsIllegalStateException(ClosingFuture<?> closingFuture) {
    try {
      closingFuture.finishToFuture();

import static java.nio.charset.StandardCharsets.UTF_8;
import static java.nio.file.LinkOption.NOFOLLOW_LINKS;
import static java.util.concurrent.Executors.newSingleThreadExecutor;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ObjectArrays;
import com.google.common.jimfs.Configuration;
import com.google.common.jimfs.Feature;
import com.google.common.jimfs.Jimfs;
import java.io.IOException;

    ret.push_back(UniqueFuncPtr(func, TF_DeleteFunction));
  }
  return ret;
}

TF_Tensor* TF_DequeueNamedTensor(TF_Session* session, int tensor_id,
                                 TF_Status* status) {
  assert(session);
  {
    tensorflow::mutex_lock c(session->graph->mu);
    VLOG(1) << "Dequeuing named tensor with id " << tensor_id
            << ", with input graph: "

 * limitations under the License.
 */

package com.google.common.graph;

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.testing.EqualsTester;
import java.util.Collection;
import java.util.Set;