[pull] master from prometheus:master - #11
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* fix: make test suite pass on Windows and Python 3.12+ - Fix event loop issues in ASGI tests under newer asgiref by wrapping communicator setup in an async coroutine run on the loop. - Fix mmap file locking (PermissionError: [WinError 32]) on Windows in multiprocess tests by closing open database handles before unlinking/removing directories. - Skip case-sensitive env var deprecation warning assertion on Windows where environment variables are case-insensitive. - Conditionally define the parser benchmark test to avoid failure when pytest-benchmark is not installed. Signed-off-by: MelvinjoseC <165891174+MelvinjoseC@users.noreply.github.com> * fix: resolve lint/typing issues and add Windows CI coverage Signed-off-by: MelvinjoseC <165891174+MelvinjoseC@users.noreply.github.com> --------- Signed-off-by: MelvinjoseC <165891174+MelvinjoseC@users.noreply.github.com>
_parse_nh_struct parsed the sum field with int(), so a native histogram
whose sum is not integral failed to parse with
ValueError: invalid literal for int() with base 10: '100.5'
NativeHistogram.sum_value is a float and the OpenMetrics writer emits the
sum verbatim (e.g. sum:100.5), so the library could not parse its own
output for the common case of a non-integer sum. Parse sum with float()
to match; count, schema and zero_count remain int as they are genuinely
integers.
Add test_native_histogram_float_sum, which parses a native histogram
with a fractional sum and checks it round-trips to sum_value 100.5.
Signed-off-by: Sean Kim <skim8705@gmail.com>
When a collector is registered under support_collectors_without_names with no metric names, register() appends it to _collectors_without_names in addition to the usual bookkeeping. unregister() only cleaned up _collector_to_names and _names_to_collectors, so the collector stayed in _collectors_without_names and kept being collected. A normal collect() no longer returned the collector's metrics, but RestrictedRegistry.collect() -- which seeds its collector set from _collectors_without_names -- still did, so an unregistered collector's samples reappeared under restricted_registry(). unregister() now also drops the collector from that list. Add test_unregister_removes_no_names_collector, asserting a nameless collector is no longer collected by a restricted registry after it has been unregistered. Signed-off-by: Sean Kim <skim8705@gmail.com>
_is_valid_exemplar_metric() guarded histograms with
if metric.type in ('histogram') and sample.name.endswith('_bucket') or sample.name == metric.name:
Because 'and' binds tighter than 'or', this parsed as
(metric.type in ('histogram') and sample.name.endswith('_bucket')) or (sample.name == metric.name)
so the trailing 'sample.name == metric.name' clause fired for every
metric type. As a result the OpenMetrics writer emitted exemplars on
gauges, info, stateset, summary and untyped metrics whenever a sample
name equalled the metric name -- output that the library's own
OpenMetrics parser rejects (only histogram/gaugehistogram buckets,
counter _total, and native histograms may carry exemplars).
Group the histogram condition correctly so the same-name clause (which
exists to allow native-histogram exemplars) only applies to histograms.
While here, replace the 'metric.type in (...)' single-string membership
checks with '==' -- they were doing substring matching, not the
intended equality.
Add test_gauge_exemplar, which asserts a gauge sample carrying an
exemplar raises ValueError, matching the existing untyped/non-bucket
exemplar tests.
Signed-off-by: Sean Kim <skim8705@gmail.com>
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