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"""Tests for GlobalPipelineMetrics.progress_summary(), which lets wait loops
(Pipeline.wait_for_completion, testutils.wait_end_of_input) report whether a
long wait is stalled or just slow."""
from feldera.stats import CommitProgressSummary, GlobalPipelineMetrics
BASE_METRICS_DICT = {
"state": "running",
"incarnation_uuid": "00000000-0000-0000-0000-000000000000",
"start_time": 0,
"transaction_status": "NoTransaction",
"total_processed_records": 42,
"total_input_records": 100,
}
def test_commit_progress_absent_when_no_transaction():
metrics = GlobalPipelineMetrics.from_dict(BASE_METRICS_DICT)
assert metrics.commit_progress is None
def test_commit_progress_parsed_into_object():
d = {
**BASE_METRICS_DICT,
"commit_progress": {
"completed": 3,
"in_progress": 2,
"remaining": 1,
"in_progress_processed_records": 10,
"in_progress_total_records": 50,
},
}
metrics = GlobalPipelineMetrics.from_dict(d)
assert isinstance(metrics.commit_progress, CommitProgressSummary)
assert metrics.commit_progress.completed == 3
assert metrics.commit_progress.in_progress_total_records == 50
def test_commit_progress_str_matches_rust_display_format():
progress = CommitProgressSummary.from_dict(
{
"completed": 3,
"in_progress": 2,
"remaining": 1,
"in_progress_processed_records": 10,
"in_progress_total_records": 50,
}
)
assert str(progress) == (
"completed: 3 operators, evaluating: 2 operators "
"[10/50 changes processed], remaining: 1 operators"
)
def test_progress_summary_falls_back_to_record_counts_outside_transaction():
metrics = GlobalPipelineMetrics.from_dict(BASE_METRICS_DICT)
assert metrics.progress_summary() == "42/100 records processed"
def test_progress_summary_prefers_commit_progress_during_transaction():
d = {
**BASE_METRICS_DICT,
"commit_progress": {
"completed": 0,
"in_progress": 1,
"remaining": 7,
"in_progress_processed_records": 0,
"in_progress_total_records": 169,
},
}
metrics = GlobalPipelineMetrics.from_dict(d)
summary = metrics.progress_summary()
assert "0/169 changes processed" in summary
assert "records processed" not in summary