def test_run(event_loop):
from buvar import plugin, context, ComponentLookupError
result = plugin.stage("tests.foo_plugin", loop=event_loop)
assert result == [{"foo": "foo"}, None, None]
with pytest.raises(ComponentLookupError) as e:
context.get("foo_plugin")
assert e.value.args[1] == "foo_plugin"
def test_global_context_child():
from buvar import context
context.add("foo")
context.add(123)
with context.child():
context.add("bar")
assert context.get(str) == "bar"
assert context.get(int) == 123
assert context.get(str) == "foo"
async def test_tasks_with_context_child():
import asyncio
from buvar import context
context.add("foo")
context.add(123)
async def task_1():
await asyncio.sleep(0.02)
context.add("bar")
await asyncio.sleep(0.01)
assert context.get(str) == "bar"
assert context.get(int) == 123
async def task_2():
await asyncio.sleep(0.01)
context.add("baz")
await asyncio.sleep(0.02)
assert context.get(str) == "baz"
assert context.get(int) == 123
with context.child():
fut_1 = asyncio.create_task(task_1())
with context.child():
fut_2 = asyncio.create_task(task_2())
await fut_1
await fut_2
assert context.get(str) == "foo"
async def index(request):
# we need to define a string, since `foo` has no default in `Something`
service = await di.nject(SomeService, somestring="bar")
assert service.something.foo == "bar"
# but a named string is preferred
service = await di.nject(SomeService, somestring="bar", foo="foo")
assert service.something.foo == "foo"
assert service.request is request
assert service.something.component is context.get(SomeComponent)
return json_response({"hello": "world", "something": service})
async def test_plugin(load: plugin.Loader):
assert context.get(str) == "foo"
context.add("bar", name="bar")
async def task1():
assert context.get(str, name="bar") == "bar"
asyncio.sleep(0.02)
context.add("task1", name="bar")
asyncio.sleep(0.01)
assert context.get(str, name="bar") == "task1"
async def task2():
assert context.get(str, name="bar") == "bar"
asyncio.sleep(0.01)
context.add("task2", name="bar")
asyncio.sleep(0.02)
assert context.get(str, name="bar") == "task2"
yield task1()
yield task2()
async def test_bg_error(log_output, Anything):
# TODO XXX FIXME without buvar_stage, I get
# --- Logging error ---
# Traceback (most recent call last):
# File "/home/olli/.pyenv/versions/3.7.4/lib/python3.7/logging/__init__.py", line 1028, in emit
# stream.write(msg + self.terminator)
# ValueError: I/O operation on closed file.
from buvar.plugins import bg
from buvar import context
async def make_error():
raise Exception("foobar")
jobs = context.get(bg.Jobs)
jobs.add(make_error())
await jobs
assert {
"event": "Background job failed",
"exc_info": Anything,
"log_level": "error",
} in log_output.entries
async def test_bg_semaphore():
import asyncio
from buvar.plugins import bg
from buvar import context
state = {"counter": 0, "sync": []}
k = 3
sem = asyncio.Semaphore(k)
async def count():
state["counter"] += 1
await asyncio.sleep(0)
state["sync"].append(state["counter"] % k)
jobs = context.get(bg.Jobs)
i = k * 10
for _ in range(i):
jobs.add(count(), sync=sem)
await jobs
assert state == {"counter": i, "sync": [0] * i}
async def task_2():
await asyncio.sleep(0.01)
context.add("baz")
await asyncio.sleep(0.02)
assert context.get(str) == "baz"
assert context.get(int) == 123
async def bar():
context.get("bar")
async def prepare(include: plugin.Loader):
di.register(Something, SomeService)
await include(".server")
app = context.get(aiohttp.web.Application)
app.add_routes(routes)
context.add(SomeComponent(foo="bar", bar=1.23))
async def _sub2():
context.add("bar")
await asyncio.sleep(0)
assert "bar" == context.get(str)
async def task2():
assert context.get(str, name="bar") == "bar"
asyncio.sleep(0.01)
context.add("task2", name="bar")
asyncio.sleep(0.02)
assert context.get(str, name="bar") == "task2"
async def _sub1():
context.add("foo")
await asyncio.sleep(0)
assert "foo" == context.get(str)
async def test_wrapped_stage_context_load(buvar_load):
from buvar import context, plugin
await buvar_load(prepare)
assert context.get(str) == "foobar"
assert context.get(plugin.Cancel)
async def test_wrapped_stage_context():
from buvar import context, plugin
assert context.get(str) == "foobar"
assert context.get(plugin.Cancel)