def test_cache_where(session):
browser = Browser(session)
primers = browser.cached_where({"sample_type_id": 1}, "Sample")
p = primers[-1]
p.__dict__["foo"] = "bar"
cached_primers = browser.cached_where({
"sample_type_id": 1,
"id": p.id
}, "Sample")
cached_primers2 = browser.cached_where(
{
"sample_type_id": [1, 2],
"id": [p.id]
}, "Sample")
empty = browser.cached_where({"sample_type_id": 2, "id": p.id}, "Sample")
assert empty == [], "should not return any primers since query does not match"
assert len(cached_primers) == 1, "should return exactly 1 primer"
assert (cached_primers2 == cached_primers
), "should be equivalent as these are equivalent queries"
assert (
"foo" in cached_primers[0].__dict__
), 'should containing the "foo" attribute that was initially cached'
assert (cached_primers[0].__dict__["foo"] == "bar"
), "should return the very same models that was initially cached"
assert len(browser.model_cache["Sample"]) > 1
def test_cache_where_name(session):
browser = Browser(session)
primers = browser.cached_where({"sample_type_id": 1}, "Sample")
primer1 = primers[0]
id1 = id(primer1)
primer2 = browser.find_by_name(primer1.name, "Sample", primary_key="id")
id2 = id(primer2)
assert id1 == id2
def test_cache_find(session):
"""This test ensures that 'find' preferentially retrieves the models from
the cache."""
browser = Browser(session)
primers = browser.cached_where({"sample_type_id": 1}, "Sample")
p = primers[-1]
p.__dict__["foo"] = "bar"
cached_primer = browser.cached_find("Sample", p.id)
cached_primers = browser.cached_find("Sample", [p.id])
empty = browser.cached_find("Sample", 100000)
assert empty is None, "should not return any primers since query does not match"
assert cached_primer == p
assert len(cached_primers) == 1
assert cached_primer == cached_primers[0]