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"""Test Flask scopes."""
import flask
import pytest
from picobox.ext import flaskscopes
@pytest.fixture()
def appscope():
return flaskscopes.application()
@pytest.fixture()
def reqscope():
return flaskscopes.request()
@pytest.fixture()
def flaskapp():
return flask.Flask("test")
@pytest.fixture()
def appcontext(flaskapp):
return flaskapp.app_context
@pytest.fixture()
def reqcontext(flaskapp):
return flaskapp.test_request_context
@pytest.mark.parametrize(
("scopename", "ctx"),
[
("appscope", "appcontext"),
("reqscope", "reqcontext"),
],
)
def test_scope_set(request, scopename, ctx, supported_key, supported_value):
scope = request.getfixturevalue(scopename)
ctxfn = request.getfixturevalue(ctx)
with ctxfn():
scope.set(supported_key, supported_value)
assert scope.get(supported_key) is supported_value
@pytest.mark.parametrize(
"scopename",
[
"appscope",
"reqscope",
],
)
def test_scope_set_nocontext(request, scopename):
scope = request.getfixturevalue(scopename)
with pytest.raises(RuntimeError) as excinfo:
scope.set("the-key", "the-value")
excinfo.match("Working outside of application context.")
@pytest.mark.parametrize(
("scopename", "ctx"),
[
("appscope", "appcontext"),
("reqscope", "reqcontext"),
],
)
def test_scope_set_value_overwrite(request, scopename, ctx):
scope = request.getfixturevalue(scopename)
ctxfn = request.getfixturevalue(ctx)
value = object()
with ctxfn():
scope.set("the-key", value)
assert scope.get("the-key") is value
scope.set("the-key", "overwrite")
assert scope.get("the-key") == "overwrite"
@pytest.mark.parametrize(
("scopename", "ctx"),
[
("appscope", "appcontext"),
("reqscope", "reqcontext"),
],
)
def test_scope_get_keyerror(request, scopename, ctx, supported_key):
scope = request.getfixturevalue(scopename)
ctxfn = request.getfixturevalue(ctx)
with pytest.raises(KeyError, match=repr(supported_key)):
with ctxfn():
scope.get(supported_key)
@pytest.mark.parametrize(
("scopename", "ctx"),
[
("appscope", "appcontext"),
("reqscope", "reqcontext"),
],
)
def test_scope_state_not_leaked(request, scopename, ctx):
ctxfn = request.getfixturevalue(ctx)
scope_a = request.getfixturevalue(scopename)
value_a = object()
scope_b = type(scope_a)()
value_b = object()
with ctxfn():
scope_a.set("the-key", value_a)
assert scope_a.get("the-key") is value_a
with pytest.raises(KeyError, match="the-key"):
scope_b.get("the-key")
scope_b.set("the-key", value_b)
assert scope_b.get("the-key") is value_b
scope_a.set("the-key", value_a)
assert scope_a.get("the-key") is value_a
@pytest.mark.parametrize(
("scopename", "ctx"),
[
("appscope", "appcontext"),
],
)
def test_scope_value_shared(request, scopename, ctx):
scope = request.getfixturevalue(scopename)
ctxfn = request.getfixturevalue(ctx)
value = object()
with ctxfn():
scope.set("the-key", value)
with ctxfn():
assert scope.get("the-key") is value
@pytest.mark.parametrize(
("scopename", "ctx"),
[
("reqscope", "reqcontext"),
],
)
def test_scope_value_not_shared(request, scopename, ctx):
scope = request.getfixturevalue(scopename)
ctxfn = request.getfixturevalue(ctx)
with ctxfn():
scope.set("the-key", "the-value")
with pytest.raises(KeyError, match="the-key"):
with ctxfn():
scope.get("the-key")
def test_scope_value_not_shared_between_apps(appscope):
eggs = flask.Flask("eggs")
rice = flask.Flask("rice")
value = object()
with eggs.app_context():
appscope.set("the-key", value)
with eggs.app_context():
assert appscope.get("the-key") is value
with pytest.raises(KeyError, match="the-key"):
with rice.app_context():
appscope.get("the-key")
with eggs.app_context():
assert appscope.get("the-key") is value
|
