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Tests and docs for new analyze_column() parameters, refs #544

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This commit is contained in:
Simon Willison 2023-05-21 09:06:21 -07:00
commit 9f23e68cf0
3 changed files with 58 additions and 8 deletions
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39
tests/test_analyze_tables.py
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@ -25,10 +25,11 @@ def db_to_analyze(fresh_db):
@pytest.mark.parametrize(
"column,expected",
"column,extra_kwargs,expected",
[
(
"id",
{},
ColumnDetails(
table="stuff",
column="id",
@ -42,6 +43,7 @@ def db_to_analyze(fresh_db):
),
(
"owner",
{},
ColumnDetails(
table="stuff",
column="owner",
@ -55,6 +57,7 @@ def db_to_analyze(fresh_db):
),
(
"size",
{},
ColumnDetails(
table="stuff",
column="size",
@ -66,11 +69,41 @@ def db_to_analyze(fresh_db):
least_common=None,
),
),
(
"owner",
{"most_common": False},
ColumnDetails(
table="stuff",
column="owner",
total_rows=8,
num_null=0,
num_blank=0,
num_distinct=4,
most_common=None,
least_common=[("Anne", 1), ("Terry...", 2)],
),
),
(
"owner",
{"least_common": False},
ColumnDetails(
table="stuff",
column="owner",
total_rows=8,
num_null=0,
num_blank=0,
num_distinct=4,
most_common=[("Joan", 3), ("Kumar", 2)],
least_common=None,
),
),
],
)
def test_analyze_column(db_to_analyze, column, expected):
def test_analyze_column(db_to_analyze, column, extra_kwargs, expected):
assert (
db_to_analyze["stuff"].analyze_column(column, common_limit=2, value_truncate=5)
db_to_analyze["stuff"].analyze_column(
column, common_limit=2, value_truncate=5, **extra_kwargs
)
== expected
)