from typing import List, Optional

import pytest
from fastapi import FastAPI
from fastapi.exceptions import ResponseValidationError
from fastapi.testclient import TestClient
from pydantic.dataclasses import dataclass

app = FastAPI()


@dataclass
class Item:
    name: str
    price: Optional[float] = None
    owner_ids: Optional[List[int]] = None


@app.get("/items/invalid", response_model=Item)
def get_invalid():

📣 🔢, ⏮️ 🎏 ❤ (`:`) ❕.

🆎, 🚮 `list`.

📇 🆎 👈 🔌 🔗 🆎, 👆 🚮 👫 ⬜ 🗜:

```Python hl_lines="1"
{!> ../../docs_src/python_types/tutorial006_py39.py!}
```

////

/// info

👈 🔗 🆎 ⬜ 🗜 🤙 "🆎 🔢".

👉 💼, `str` 🆎 🔢 🚶‍♀️ `List` (⚖️ `list` 🐍 3️⃣.9️⃣ & 🔛).

///

👈 ⛓: "🔢 `items` `list`, & 🔠 🏬 👉 📇 `str`".

/// tip

          @Override
          protected void verify(List<T> elements) {
            assertEquals(newHashSet(elements), newHashSet(mmHeap.iterator()));
            assertIntact(mmHeap);
          }
        };
    tester.test();
  }

  public void testIteratorTester() throws Exception {
    Random random = new Random(0);
    List<Integer> list = Lists.newArrayList();
    for (int i = 0; i < 3; i++) {

      assertThat(graph.edges()).hasSize(NUM_EDGES);
      AbstractGraphTest.validateGraph(graph);
    }
  }

  private static <L extends List<T> & RandomAccess, T> T getRandomElement(L list, Random gen) {
    return list.get(gen.nextInt(list.size()));
  }

        List<ProducedArtifact> artifacts = getArtifacts();
        return artifacts.size() == 2 ? Optional.of(artifacts.get(1)) : Optional.empty();
    }

    /**
     * Returns the project artifacts as immutable list. Elements are the project POM artifact and the artifact
     * produced by this project build, if applicable. Hence, the returned list may have one or two elements

    }

    public void setCurrentPageNumber(final int currentPageNumber) {
        this.currentPageNumber = currentPageNumber;
    }

    public List<Integer> getPageNumberList() {
        return pageNumberList;
    }

    public void setPageNumberList(final List<Integer> pageNumberList) {
        this.pageNumberList = pageNumberList;
    }

    protected int getDefaultPageSize() {

import java.util.Collections;
import java.util.List;

public class SuggestWriterResult {
    protected List<Throwable> failures = Collections.synchronizedList(new ArrayList<>());

    public void addFailure(final Throwable t) {
        failures.add(t);
    }

    public boolean hasFailure() {
        return !failures.isEmpty();
    }

    public List<Throwable> getFailures() {
        return failures;
    }

 */
package org.apache.maven.api.services;

import java.util.List;

import org.apache.maven.api.Service;
import org.apache.maven.api.model.Model;

public interface ModelBuilder extends Service {

    String MODEL_VERSION_4_0_0 = "4.0.0";

    String MODEL_VERSION_4_1_0 = "4.1.0";

    List<String> VALID_MODEL_VERSIONS = List.of(MODEL_VERSION_4_0_0, MODEL_VERSION_4_1_0);

    ModelBuilderSession newSession();

package org.apache.maven.artifact.resolver.filter;

import java.util.List;

import org.apache.maven.artifact.Artifact;

/**
 * Filter to exclude from a list of artifact patterns.
 *
 * TODO I think this is equiv. to exclusion set filter in maven-core
 */
public class ExcludesArtifactFilter extends IncludesArtifactFilter {
    public ExcludesArtifactFilter(List<String> patterns) {
        super(patterns);
    }

from typing import Dict, List, Tuple

import pytest
from fastapi import FastAPI
from pydantic import BaseModel


def test_invalid_sequence():
    with pytest.raises(AssertionError):
        app = FastAPI()

        class Item(BaseModel):
            title: str

        @app.get("/items/{id}")
        def read_items(id: List[Item]):
            pass  # pragma: no cover


def test_invalid_tuple():