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bpo-26187: Tests for sqlite3 trace callback #434

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bpo-26187: Tests for sqlite3 trace callback #434

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17 changes: 17 additions & 0 deletions Lib/sqlite3/test/hooks.py
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Original file line number Diff line number Diff line change
Expand Up @@ -248,6 +248,23 @@ def trace(statement):
"Unicode data %s garbled in trace callback: %s"
% (ascii(unicode_value), ', '.join(map(ascii, traced_statements))))

def CheckTraceCallbackContent(self):
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We should skip the test if sqlite3_prepare_v2 is not available.

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The test name doesn't explain what we actually testing here.

"""
Test that the statement are correct. Fix for bpo-26187
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Docstring is not needed.

"""
con = sqlite.connect(":memory:")
traced_statements = []
def trace(statement):
traced_statements.append(statement)
con.set_trace_callback(trace)
queries = ["create table foo(x)", "insert into foo(x) values(1)"]
for query in queries:
con.execute(query)
con.commit()
queries.insert(1, "BEGIN ")
queries.append("COMMIT")
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These two lines can be removed. We only want to test that set_trace_callback doesn't produce any duplicate entries.

self.assertEqual(traced_statements, queries)



def suite():
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