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Finished implementation of ?_trace=1 debug tool

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I redesigned the JSON output and added a handy "traceback" key showing
three relevant lines of the current traceback for each logged query.

Closes #435
This commit is contained in:
Simon Willison 2019-05-11 12:06:22 -07:00
commit a0d444837f
3 changed files with 43 additions and 20 deletions
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22
tests/test_api.py
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@ -1469,12 +1469,22 @@ def test_infinity_returned_as_invalid_json_if_requested(app_client):
def test_trace(app_client):
response = app_client.get("/fixtures/simple_primary_key.json?_trace=1")
data = response.json
assert "_traces" in data
traces = data["_traces"]
assert isinstance(traces["duration_sum_ms"], float)
assert isinstance(traces["num_traces"], int)
assert isinstance(traces["traces"], dict)
assert len(traces["traces"]["queries"]) == traces["num_traces"]
assert "_trace" in data
trace_info = data["_trace"]
assert isinstance(trace_info["request_duration_ms"], float)
assert isinstance(trace_info["sum_trace_duration_ms"], float)
assert isinstance(trace_info["num_traces"], int)
assert isinstance(trace_info["traces"], list)
assert len(trace_info["traces"]) == trace_info["num_traces"]
for trace in trace_info["traces"]:
assert isinstance(trace["type"], str)
assert isinstance(trace["start"], float)
assert isinstance(trace["end"], float)
assert trace["duration_ms"] == (trace["end"] - trace["start"]) * 1000
assert isinstance(trace["traceback"], list)
assert isinstance(trace["database"], str)
assert isinstance(trace["sql"], str)
assert isinstance(trace["params"], (list, dict))
@pytest.mark.parametrize(