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PLAT-156: Migrate test_fetch #1129

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merged 10 commits into from
Dec 13, 2023
Merged

PLAT-156: Migrate test_fetch #1129

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e23f909
cp to tests
ethho Dec 11, 2023
e0a0bdb
First pass at migrating test_fetch
ethho Dec 11, 2023
97d5bf3
All but one test_fetch passing
ethho Dec 12, 2023
30174bc
Skip nonbreaking tests
ethho Dec 12, 2023
115c8bd
Show breaking test
ethho Dec 12, 2023
17cc564
Fix breaking test
ethho Dec 12, 2023
b1db688
Unskip tests
ethho Dec 12, 2023
8885795
Format with black
ethho Dec 12, 2023
761c166
Remove unnecessary assert
ethho Dec 13, 2023
94c6c31
Merge branch 'dev-tests' into dev-tests-plat-156-fetch
ethho Dec 13, 2023
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2 changes: 1 addition & 1 deletion tests/schema.py
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Original file line number Diff line number Diff line change
Expand Up @@ -307,7 +307,7 @@ class DecimalPrimaryKey(dj.Lookup):
definition = """
id : decimal(4,3)
"""
contents = zip((0.1, 0.25, 3.99))
contents = list(zip((0.1, 0.25, 3.99)))
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@ethho ethho Dec 13, 2023 •
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Strangely, the logic in test_fetch::test_offset would exhaust this zip object, causing it to be empty when test_fetch::test_decimal was run, causing the latter test to fail.

It's possible that ORDER BY on the upstream table causes DecimalPrimaryKey to also sort (and therefore exhaust the zip object):

https://github.com/ethho/datajoint-python/blob/761c1663f4a2be45e521e84f3d33ef79b34b3ba4/tests/test_fetch.py#L205-L207

    def test_offset(self, schema_any, lang, languages):
        """Tests offset"""
        cur = lang.fetch(limit=4, offset=1, order_by=["language", "name DESC"])

Whatever the cause, changing the contents from a zip to a list prevents these tests from interfering with each other.

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zip can only be used once. Once exhausted, it's empty. So if you are using the same code more than once to populate a lookup table, you need to convert into a list first.



class IndexRich(dj.Manual):
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