Merge branch 'pratik/otel-phase7-native-metrics' into pratik/otel-phase8-log-correlation

src/tests/libxrpl/beast/insight/StatsDCollector.cpp

@@ -132,7 +132,7 @@ private:
  * would otherwise never be sent and would never exist downstream. Absent and
  * zero must not look the same to an operator.
  */
-TEST(StatsDCollector, UntouchedGaugePublishesInitialZero)
+TEST(StatsDCollector, untouched_gauge_publishes_initial_zero)
 {
     LoopbackStatsDServer server;
     auto const address = ip::Endpoint::fromString("127.0.0.1:" + std::to_string(server.port()));
@@ -159,7 +159,7 @@ TEST(StatsDCollector, UntouchedGaugePublishesInitialZero)
  * comes along as a positive control. One flush tick serves both metrics, so a
  * counter line would have to travel beside the gauge's.
  */
-TEST(StatsDCollector, UntouchedCounterPublishesNothing)
+TEST(StatsDCollector, untouched_counter_publishes_nothing)
 {
     LoopbackStatsDServer server;
     auto const address = ip::Endpoint::fromString("127.0.0.1:" + std::to_string(server.port()));

src/tests/libxrpl/beast/insight/Unit.cpp

@@ -64,7 +64,7 @@ public:
 // The unit code is a contract with the collector's Prometheus exporter: it
 // derives the exported name suffix from this string. Assert the exact codes,
 // not merely that they differ.
-TEST(InsightUnit, otelCodeIsTheUcumCodeForEachUnit)
+TEST(InsightUnit, otel_code_is_the_ucum_code_for_each_unit)
 {
     EXPECT_STREQ(otelUnitCode(Unit::Millis), "ms");
     EXPECT_STREQ(otelUnitCode(Unit::Bytes), "By");
@@ -72,13 +72,13 @@ TEST(InsightUnit, otelCodeIsTheUcumCodeForEachUnit)
 
 // The description is what an operator reads in the metric catalogue, so a
 // byte-valued instrument must not describe itself as a duration.
-TEST(InsightUnit, descriptionMatchesWhatTheUnitActuallyMeasures)
+TEST(InsightUnit, description_matches_what_the_unit_actually_measures)
 {
     EXPECT_STREQ(otelUnitDescription(Unit::Millis), "Duration in ms");
     EXPECT_STREQ(otelUnitDescription(Unit::Bytes), "Size in bytes");
 }
 
-TEST(InsightUnit, defaultEventUnitIsMillisForBackwardCompatibility)
+TEST(InsightUnit, default_event_unit_is_millis_for_backward_compatibility)
 {
     // Every pre-existing makeEvent(name) call site records a duration, so the
     // one-argument overload must keep meaning milliseconds.
@@ -88,7 +88,7 @@ TEST(InsightUnit, defaultEventUnitIsMillisForBackwardCompatibility)
     EXPECT_EQ(event.impl()->unit(), Unit::Millis);
 }
 
-TEST(InsightUnit, makeEventCarriesTheRequestedUnitToTheImpl)
+TEST(InsightUnit, make_event_carries_the_requested_unit_to_the_impl)
 {
     auto const collector = NullCollector::make();
     auto const event = collector->makeEvent("size", Unit::Bytes);
@@ -96,7 +96,7 @@ TEST(InsightUnit, makeEventCarriesTheRequestedUnitToTheImpl)
     EXPECT_EQ(event.impl()->unit(), Unit::Bytes);
 }
 
-TEST(InsightUnit, prefixedMakeEventCarriesTheUnit)
+TEST(InsightUnit, prefixed_make_event_carries_the_unit)
 {
     auto const collector = NullCollector::make();
     auto const event = collector->makeEvent("rpc", "size", Unit::Bytes);
@@ -104,7 +104,7 @@ TEST(InsightUnit, prefixedMakeEventCarriesTheUnit)
     EXPECT_EQ(event.impl()->unit(), Unit::Bytes);
 }
 
-TEST(InsightUnit, groupWrapperForwardsTheUnitAlongWithThePrefix)
+TEST(InsightUnit, group_wrapper_forwards_the_unit_along_with_the_prefix)
 {
     // ServerHandler creates its events through a Group, not through the
     // collector directly. If the group's makeEvent override forwards only the
@@ -117,7 +117,7 @@ TEST(InsightUnit, groupWrapperForwardsTheUnitAlongWithThePrefix)
     EXPECT_EQ(event.impl()->unit(), Unit::Bytes);
 }
 
-TEST(InsightUnit, groupWrapperStillDefaultsToMillis)
+TEST(InsightUnit, group_wrapper_still_defaults_to_millis)
 {
     auto const collector = NullCollector::make();
     auto const groups = makeGroups(collector);
@@ -126,7 +126,7 @@ TEST(InsightUnit, groupWrapperStillDefaultsToMillis)
     EXPECT_EQ(event.impl()->unit(), Unit::Millis);
 }
 
-TEST(InsightUnit, rawIntegralNotifyPreservesTheValueExactly)
+TEST(InsightUnit, raw_integral_notify_preserves_the_value_exactly)
 {
     // The byte path must not be rounded or scaled on its way through the
     // duration-typed storage field.
@@ -143,7 +143,7 @@ TEST(InsightUnit, rawIntegralNotifyPreservesTheValueExactly)
     EXPECT_EQ(impl->samples[2].count(), 1'048'577);
 }
 
-TEST(InsightUnit, durationNotifyStillRoundsUpToWholeMilliseconds)
+TEST(InsightUnit, duration_notify_still_rounds_up_to_whole_milliseconds)
 {
     // Pre-existing behaviour, asserted so the new overload cannot quietly
     // change it: Event applies ceil to whole milliseconds, which is why
@@ -161,7 +161,7 @@ TEST(InsightUnit, durationNotifyStillRoundsUpToWholeMilliseconds)
     EXPECT_EQ(impl->samples[2].count(), 7);
 }
 
-TEST(InsightUnit, notifyOnANullEventIsSafeForBothOverloads)
+TEST(InsightUnit, notify_on_a_null_event_is_safe_for_both_overloads)
 {
     // A default-constructed Event has no impl. Both overloads must be no-ops
     // rather than dereferencing null.

src/tests/libxrpl/telemetry/HistogramBuckets.cpp

@@ -33,7 +33,7 @@ class HistogramBucketsTest : public ::testing::TestWithParam<std::span<double co
 {
 };
 
-TEST_P(HistogramBucketsTest, isStrictlyAscending)
+TEST_P(HistogramBucketsTest, is_strictly_ascending)
 {
     auto const ladder = GetParam();
     ASSERT_FALSE(ladder.empty());
@@ -41,7 +41,7 @@ TEST_P(HistogramBucketsTest, isStrictlyAscending)
         EXPECT_LT(ladder[i - 1], ladder[i]) << "edge index " << i << " does not ascend";
 }
 
-TEST_P(HistogramBucketsTest, isNonNegativeAndFinite)
+TEST_P(HistogramBucketsTest, is_non_negative_and_finite)
 {
     for (double const edge : GetParam())
     {
@@ -50,7 +50,7 @@ TEST_P(HistogramBucketsTest, isNonNegativeAndFinite)
     }
 }
 
-TEST_P(HistogramBucketsTest, passesTheCompileTimeValidator)
+TEST_P(HistogramBucketsTest, passes_the_compile_time_validator)
 {
     EXPECT_TRUE(isAscendingNonNegative(GetParam()));
 }
@@ -64,7 +64,7 @@ INSTANTIATE_TEST_SUITE_P(
 
 // The validator must also REJECT. A predicate that only ever returns true
 // would let every ladder above pass while proving nothing.
-TEST(HistogramBucketsValidator, rejectsEmptyDescendingDuplicateAndNegative)
+TEST(HistogramBucketsValidator, rejects_empty_descending_duplicate_and_negative)
 {
     EXPECT_FALSE(isAscendingNonNegative(std::span<double const>{}));
 
@@ -78,7 +78,7 @@ TEST(HistogramBucketsValidator, rejectsEmptyDescendingDuplicateAndNegative)
     EXPECT_FALSE(isAscendingNonNegative(negative));
 }
 
-TEST(HistogramBucketsValidator, acceptsASingleEdgeAndALeadingZero)
+TEST(HistogramBucketsValidator, accepts_a_single_edge_and_a_leading_zero)
 {
     constexpr std::array single{1.0};
     EXPECT_TRUE(isAscendingNonNegative(single));
@@ -89,7 +89,7 @@ TEST(HistogramBucketsValidator, acceptsASingleEdgeAndALeadingZero)
     EXPECT_TRUE(isAscendingNonNegative(leadingZero));
 }
 
-TEST(HistogramBucketsRange, millisecondFloorIsOneAndCeilingCoversTheSlowestJob)
+TEST(HistogramBucketsRange, millisecond_floor_is_one_and_ceiling_covers_the_slowest_job)
 {
     // beast::insight::Event rounds durations up to whole milliseconds, so 1
     // is the smallest edge that can ever collect a sample.
@@ -101,7 +101,7 @@ TEST(HistogramBucketsRange, millisecondFloorIsOneAndCeilingCoversTheSlowestJob)
     EXPECT_GE(kMillisecondBuckets.back(), 120'000.0);
 }
 
-TEST(HistogramBucketsRange, millisecondLadderClearsTheMeasuredCensoringPoint)
+TEST(HistogramBucketsRange, millisecond_ladder_clears_the_measured_censoring_point)
 {
     // rpc_size had 24.9% of samples above the old 5000 ceiling and
     // jobq_updatepaths had 100%. A ceiling at or below 5000 reintroduces the
@@ -109,7 +109,7 @@ TEST(HistogramBucketsRange, millisecondLadderClearsTheMeasuredCensoringPoint)
     EXPECT_GT(kMillisecondBuckets.back(), 5'000.0);
 }
 
-TEST(HistogramBucketsRange, millisecondLadderContainsEveryRepresentableCollectorEdge)
+TEST(HistogramBucketsRange, millisecond_ladder_contains_every_representable_collector_edge)
 {
     // Agreement with the collector's spanmetrics ladder over the shared
     // range is the invariant; edges above its 30 s top are allowed because
@@ -141,7 +141,7 @@ TEST(HistogramBucketsRange, millisecondLadderContainsEveryRepresentableCollector
     }
 }
 
-TEST(HistogramBucketsRange, millisecondLadderResolvesTheOneToFiveSecondBand)
+TEST(HistogramBucketsRange, millisecond_ladder_resolves_the_one_to_five_second_band)
 {
     // Without these the 1 s to 5 s span was one four-second-wide bucket, so
     // any quantile landing inside it was interpolated across four seconds.
@@ -152,7 +152,7 @@ TEST(HistogramBucketsRange, millisecondLadderResolvesTheOneToFiveSecondBand)
     }
 }
 
-TEST(HistogramBucketsRange, byteLadderBracketsTheMeasuredResponseDistribution)
+TEST(HistogramBucketsRange, byte_ladder_brackets_the_measured_response_distribution)
 {
     // Measured: mean 2131 B, half under 1 kB, three quarters under 5 kB, and
     // the tail above 5 kB has a mean of at most 7538 B -- which puts p99
@@ -167,7 +167,7 @@ TEST(HistogramBucketsRange, byteLadderBracketsTheMeasuredResponseDistribution)
     EXPECT_GE(withinWorkingRange, 6) << "too little resolution between 512 B and 64 kB";
 }
 
-TEST(HistogramBucketsRange, byteAndMillisecondLaddersAreDistinct)
+TEST(HistogramBucketsRange, byte_and_millisecond_ladders_are_distinct)
 {
     // A single shared ladder is what put a byte count on a latency scale and
     // censored a quarter of its samples.
@@ -175,14 +175,14 @@ TEST(HistogramBucketsRange, byteAndMillisecondLaddersAreDistinct)
     EXPECT_GT(kByteBuckets.back(), kMillisecondBuckets.back());
 }
 
-TEST(HistogramBucketsConvert, toVectorPreservesOrderAndSize)
+TEST(HistogramBucketsConvert, to_vector_preserves_order_and_size)
 {
     auto const converted = toVector(kByteBuckets);
     ASSERT_EQ(converted.size(), kByteBuckets.size());
     EXPECT_TRUE(std::ranges::equal(converted, kByteBuckets));
 }
 
-TEST(HistogramBucketsConvert, toVectorHandlesAnEmptyLadder)
+TEST(HistogramBucketsConvert, to_vector_handles_an_empty_ladder)
 {
     EXPECT_TRUE(toVector(std::span<double const>{}).empty());
 }

src/tests/libxrpl/telemetry/SpanGuardScope.cpp

@@ -368,7 +368,7 @@ protected:
 };
 
 // freshRoot() must ignore the ambient active span and start a brand-new trace.
-TEST_F(SpanGuardScopeTest, spanGuard_freshRoot_is_true_root_ignoring_ambient)
+TEST_F(SpanGuardScopeTest, span_guard_fresh_root_is_true_root_ignoring_ambient)
 {
     {
         // Ambient span becomes the active span on this thread.
@@ -398,7 +398,7 @@ TEST_F(SpanGuardScopeTest, spanGuard_freshRoot_is_true_root_ignoring_ambient)
 
 // A ScopedSpanGuard is the ambient active span on its thread the moment it is
 // constructed: a child created while it is alive parents to its span.
-TEST_F(SpanGuardScopeTest, scopedGuard_is_ambient_on_construct)
+TEST_F(SpanGuardScopeTest, scoped_guard_is_ambient_on_construct)
 {
     opentelemetry::trace::SpanId activeId;
     {
@@ -435,7 +435,7 @@ TEST_F(SpanGuardScopeTest, scopedGuard_is_ambient_on_construct)
 // operator SpanGuard() && pops the Scope eagerly on the origin thread, so the
 // span is no longer ambient here and the resulting thread-free guard can be
 // ended on a worker thread without corrupting this thread's context stack.
-TEST_F(SpanGuardScopeTest, scopedGuard_conversion_pops_scope_on_this_thread)
+TEST_F(SpanGuardScopeTest, scoped_guard_conversion_pops_scope_on_this_thread)
 {
     {
         ScopedSpanGuard s(TraceCategory::Ledger, "ledger", "build");
@@ -478,7 +478,7 @@ TEST_F(SpanGuardScopeTest, scopedGuard_conversion_pops_scope_on_this_thread)
 
 // The SpanGuard produced by the conversion ends the span exactly once: the
 // moved-from ScopedSpanGuard must not re-end it on destruction.
-TEST_F(SpanGuardScopeTest, scopedGuard_conversion_result_ends_span_once)
+TEST_F(SpanGuardScopeTest, scoped_guard_conversion_result_ends_span_once)
 {
     {
         ScopedSpanGuard scoped(TraceCategory::Ledger, "ledger", "build");
@@ -511,7 +511,7 @@ TEST_F(SpanGuardScopeTest, scopedGuard_conversion_result_ends_span_once)
 // stack ignores the LocalValue swap, so the span would stay visible off-store
 // (the EXPECT_NE below would fail). Passes only because the fixture installs the
 // coro-aware storage that binds the ambient stack to the active store.
-TEST_F(SpanGuardScopeTest, scopedGuard_survives_localvalue_store_swap)
+TEST_F(SpanGuardScopeTest, scoped_guard_survives_localvalue_store_swap)
 {
     namespace ctx = opentelemetry::context;
     namespace trc = opentelemetry::trace;
@@ -618,7 +618,7 @@ TEST_F(SpanGuardScopeTest, activate_sets_ambient_without_owning)
 // OTel key-value-iterable, so a dropped or mistyped pair would be invisible
 // without reading the exported event back. Values are asserted individually as
 // well as by count: two attributes with one value blanked still counts as two.
-TEST_F(SpanGuardScopeTest, spanGuard_addEvent_records_name_and_attribute_values)
+TEST_F(SpanGuardScopeTest, span_guard_add_event_records_name_and_attribute_values)
 {
     namespace cs = consensus::span;
 
@@ -652,7 +652,7 @@ TEST_F(SpanGuardScopeTest, spanGuard_addEvent_records_name_and_attribute_values)
 // The name-only overload records the event with NO attributes, so a regression
 // that leaked attributes between the two overloads shows up here rather than as
 // an extra key on a production event.
-TEST_F(SpanGuardScopeTest, spanGuard_addEvent_without_attributes_records_bare_event)
+TEST_F(SpanGuardScopeTest, span_guard_add_event_without_attributes_records_bare_event)
 {
     namespace cs = consensus::span;
 
@@ -676,7 +676,7 @@ TEST_F(SpanGuardScopeTest, spanGuard_addEvent_without_attributes_records_bare_ev
 
 // The scoped guard records event attributes too. consensus.accept.apply relies
 // on it for one tx.included event per transaction of the accepted set.
-TEST_F(SpanGuardScopeTest, scopedGuard_addEvent_records_name_and_attribute_values)
+TEST_F(SpanGuardScopeTest, scoped_guard_add_event_records_name_and_attribute_values)
 {
     namespace cs = consensus::span;
 
@@ -704,7 +704,7 @@ TEST_F(SpanGuardScopeTest, scopedGuard_addEvent_records_name_and_attribute_value
 // A scoped child of a captured context is the ambient parent of the spans
 // created after it on the same thread. A hash-derived root created inside that
 // scope stays a root. consensus.accept.apply relies on both.
-TEST_F(SpanGuardScopeTest, scopedChildOfCapturedContextIsAmbientForLaterSpans)
+TEST_F(SpanGuardScopeTest, scoped_child_of_captured_context_is_ambient_for_later_spans)
 {
     namespace cs = consensus::span;
 
@@ -755,7 +755,7 @@ TEST_F(SpanGuardScopeTest, scopedChildOfCapturedContextIsAmbientForLaterSpans)
 
 // A forced-root span started while a PendingTraceId is active adopts that
 // pinned 16-byte trace_id and remains a true root (no parent).
-TEST_F(SpanGuardScopeTest, deterministicIdGenerator_forced_root_gets_pending_trace_id)
+TEST_F(SpanGuardScopeTest, deterministic_id_generator_forced_root_gets_pending_trace_id)
 {
     auto const h = makeTraceIdBytes();
     {
@@ -776,7 +776,7 @@ TEST_F(SpanGuardScopeTest, deterministicIdGenerator_forced_root_gets_pending_tra
 
 // A forced-root span with NO PendingTraceId gets a random (non-zero) trace_id,
 // never the deterministic hash -- the safety property when no id is pinned.
-TEST_F(SpanGuardScopeTest, deterministicIdGenerator_no_pending_gives_random_root)
+TEST_F(SpanGuardScopeTest, deterministic_id_generator_no_pending_gives_random_root)
 {
     auto const h = makeTraceIdBytes();
     {
@@ -800,7 +800,7 @@ TEST_F(SpanGuardScopeTest, deterministicIdGenerator_no_pending_gives_random_root
 // child, so the pinned id stays available -- proven here by a trailing
 // forced-root span that DOES adopt it (which also consumes the id so
 // ~PendingTraceId's consumed-assert holds; see the report for this choice).
-TEST_F(SpanGuardScopeTest, deterministicIdGenerator_ambient_child_ignores_pending)
+TEST_F(SpanGuardScopeTest, deterministic_id_generator_ambient_child_ignores_pending)
 {
     auto const h = makeTraceIdBytes();
     {
@@ -873,7 +873,7 @@ TEST_F(SpanGuardScopeTest, deterministicIdGenerator_ambient_child_ignores_pendin
 // builds) XRPL_ASSERT is a no-op, and under ENABLE_VOIDSTAR a failed assert
 // continues instead of aborting -- in both cases the worker would not crash and
 // EXPECT_DEATH would report a spurious failure.
-TEST_F(SpanGuardScopeTest, scopedGuard_cross_thread_death_asserts_at_wrong_store_destroy)
+TEST_F(SpanGuardScopeTest, scoped_guard_cross_thread_death_asserts_at_wrong_store_destroy)
 {
 #ifdef NDEBUG
     GTEST_SKIP() << "XRPL_ASSERT compiles to a no-op under NDEBUG (Release builds), so the "