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from pgcli.packages.prioritization import PrevalenceCounter
def test_prevalence_counter():
counter = PrevalenceCounter()
sql = """SELECT * FROM foo WHERE bar GROUP BY baz;
select * from foo;
SELECT * FROM foo WHERE bar GROUP
BY baz"""
counter.update(sql)
keywords = ["SELECT", "FROM", "GROUP BY"]
expected = [3, 3, 2]
kw_counts = [counter.keyword_count(x) for x in keywords]
assert kw_counts == expected
assert counter.keyword_count("NOSUCHKEYWORD") == 0
names = ["foo", "bar", "baz"]
name_counts = [counter.name_count(x) for x in names]
assert name_counts == [3, 2, 2]
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