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test_dependency_cache.py — fastapi Source File

Architecture documentation for test_dependency_cache.py, a python file in the fastapi codebase. 2 imports, 0 dependents.

File python FastAPI Responses 2 imports 10 functions

Entity Profile

Dependency Diagram

graph LR
  0554cfc9_1137_9fcd_4a46_8c9f7095d7e7["test_dependency_cache.py"]
  534f6e44_61b8_3c38_8b89_6934a6df9802["__init__.py"]
  0554cfc9_1137_9fcd_4a46_8c9f7095d7e7 --> 534f6e44_61b8_3c38_8b89_6934a6df9802
  a7c04dee_ee23_5891_b185_47ff6bed036d["testclient.py"]
  0554cfc9_1137_9fcd_4a46_8c9f7095d7e7 --> a7c04dee_ee23_5891_b185_47ff6bed036d
  style 0554cfc9_1137_9fcd_4a46_8c9f7095d7e7 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

from fastapi import Depends, FastAPI, Security
from fastapi.testclient import TestClient

app = FastAPI()

counter_holder = {"counter": 0}


async def dep_counter():
    counter_holder["counter"] += 1
    return counter_holder["counter"]


async def super_dep(count: int = Depends(dep_counter)):
    return count


@app.get("/counter/")
async def get_counter(count: int = Depends(dep_counter)):
    return {"counter": count}


@app.get("/sub-counter/")
async def get_sub_counter(
    subcount: int = Depends(super_dep), count: int = Depends(dep_counter)
):
    return {"counter": count, "subcounter": subcount}


@app.get("/sub-counter-no-cache/")
async def get_sub_counter_no_cache(
    subcount: int = Depends(super_dep),
    count: int = Depends(dep_counter, use_cache=False),
):
    return {"counter": count, "subcounter": subcount}


@app.get("/scope-counter")
async def get_scope_counter(
    count: int = Security(dep_counter),
    scope_count_1: int = Security(dep_counter, scopes=["scope"]),
    scope_count_2: int = Security(dep_counter, scopes=["scope"]),
):
    return {
        "counter": count,
        "scope_counter_1": scope_count_1,
        "scope_counter_2": scope_count_2,
    }


client = TestClient(app)


def test_normal_counter():
    counter_holder["counter"] = 0
    response = client.get("/counter/")
    assert response.status_code == 200, response.text
    assert response.json() == {"counter": 1}
    response = client.get("/counter/")
    assert response.status_code == 200, response.text
    assert response.json() == {"counter": 2}


def test_sub_counter():
    counter_holder["counter"] = 0
    response = client.get("/sub-counter/")
    assert response.status_code == 200, response.text
    assert response.json() == {"counter": 1, "subcounter": 1}
    response = client.get("/sub-counter/")
    assert response.status_code == 200, response.text
    assert response.json() == {"counter": 2, "subcounter": 2}


def test_sub_counter_no_cache():
    counter_holder["counter"] = 0
    response = client.get("/sub-counter-no-cache/")
    assert response.status_code == 200, response.text
    assert response.json() == {"counter": 2, "subcounter": 1}
    response = client.get("/sub-counter-no-cache/")
    assert response.status_code == 200, response.text
    assert response.json() == {"counter": 4, "subcounter": 3}


def test_security_cache():
    counter_holder["counter"] = 0
    response = client.get("/scope-counter/")
    assert response.status_code == 200, response.text
    assert response.json() == {"counter": 1, "scope_counter_1": 2, "scope_counter_2": 2}
    response = client.get("/scope-counter/")
    assert response.status_code == 200, response.text
    assert response.json() == {"counter": 3, "scope_counter_1": 4, "scope_counter_2": 4}

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Source

Frequently Asked Questions

What does test_dependency_cache.py do?
test_dependency_cache.py is a source file in the fastapi codebase, written in python. It belongs to the FastAPI domain, Responses subdomain.
What functions are defined in test_dependency_cache.py?
test_dependency_cache.py defines 10 function(s): dep_counter, get_counter, get_scope_counter, get_sub_counter, get_sub_counter_no_cache, super_dep, test_normal_counter, test_security_cache, test_sub_counter, test_sub_counter_no_cache.
What does test_dependency_cache.py depend on?
test_dependency_cache.py imports 2 module(s): __init__.py, testclient.py.
Where is test_dependency_cache.py in the architecture?
test_dependency_cache.py is located at tests/test_dependency_cache.py (domain: FastAPI, subdomain: Responses, directory: tests).

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