def test_unbind_threadlocal(self):
"""
Test that unbinding from threadlocal works for keys that exist
and does not raise error when they do not exist.
"""
clear_threadlocal()
bind_threadlocal(a=234, b=34)
assert {"a": 234, "b": 34} == merge_threadlocal_context(None, None, {})
unbind_threadlocal("a")
assert {"b": 34} == merge_threadlocal_context(None, None, {})
unbind_threadlocal("non-existing-key")
assert {"b": 34} == merge_threadlocal_context(None, None, {})
def test_clear(self):
"""
The thread-local context can be cleared, causing any previously bound
variables to not be included in merge_threadlocal_context's result.
"""
bind_threadlocal(a=1)
clear_threadlocal()
assert {"b": 2} == merge_threadlocal_context(None, None, {"b": 2})
def test_bind_and_merge(self):
"""
Binding a variable causes it to be included in the result of
merge_threadlocal_context.
"""
bind_threadlocal(a=1)
assert {
"a": 1,
"b": 2
} == merge_threadlocal_context(None, None, {"b": 2})
def test_multiple_binds(self):
"""
Multiple calls to bind_threadlocal accumulate values instead of
replacing them.
"""
bind_threadlocal(a=1, b=2)
bind_threadlocal(c=3)
assert {
"a": 1,
"b": 2,
"c": 3
} == merge_threadlocal_context(None, None, {"b": 2})
def test_merge_works_without_bind(self):
"""
merge_threadlocal_context returns values as normal even when there has
been no previous calls to bind_threadlocal.
"""
assert {"b": 2} == merge_threadlocal_context(None, None, {"b": 2})
