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test(data-pipeline): gate telemetry-only tests behind the telemetry feature#2204

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test(data-pipeline): gate telemetry-only tests behind the telemetry feature#2204
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igor/data-pipeline-no-default-features-tests

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@iunanua iunanua commented Jul 7, 2026

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What does this PR do?

Building the crate with --no-default-features (telemetry off) failed to compile because several tests and one example referenced TelemetryConfig and TraceExporterBuilder::enable_telemetry, both of which are gated behind the telemetry feature.

Gate the telemetry-dependent test code and the send-traces-with-stats example accordingly, and silence an unused-variable warning in stats.rs for non-telemetry builds. Non-telemetry tests in test_new/test_new_defaults still run.

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📚 Documentation Check Results

⚠️ 1204 documentation warning(s) found

📦 libdd-data-pipeline - 1204 warning(s)


Updated: 2026-07-07 10:40:13 UTC | Commit: 708ee52 | missing-docs job results

@iunanua iunanua force-pushed the igor/data-pipeline-no-default-features-tests branch from 8ba55ab to fbfc3de Compare July 7, 2026 09:57
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Clippy Allow Annotation Report

Comparing clippy allow annotations between branches:

  • Base Branch: origin/main
  • PR Branch: origin/igor/data-pipeline-no-default-features-tests

Summary by Rule

Rule Base Branch PR Branch Change
unwrap_used 2 2 No change (0%)
Total 2 2 No change (0%)

Annotation Counts by File

File Base Branch PR Branch Change
libdd-data-pipeline/src/trace_exporter/mod.rs 2 2 No change (0%)

Annotation Stats by Crate

Crate Base Branch PR Branch Change
clippy-annotation-reporter 5 5 No change (0%)
datadog-ffe-ffi 1 1 No change (0%)
datadog-ipc 22 22 No change (0%)
datadog-live-debugger 4 4 No change (0%)
datadog-live-debugger-ffi 10 10 No change (0%)
datadog-profiling-replayer 4 4 No change (0%)
datadog-sidecar 45 45 No change (0%)
libdd-common 13 13 No change (0%)
libdd-common-ffi 12 12 No change (0%)
libdd-data-pipeline 6 6 No change (0%)
libdd-ddsketch 2 2 No change (0%)
libdd-dogstatsd-client 1 1 No change (0%)
libdd-profiling 13 13 No change (0%)
libdd-remote-config 3 3 No change (0%)
libdd-telemetry 20 20 No change (0%)
libdd-tinybytes 4 4 No change (0%)
libdd-trace-normalization 2 2 No change (0%)
libdd-trace-obfuscation 3 3 No change (0%)
libdd-trace-stats 1 1 No change (0%)
libdd-trace-utils 11 11 No change (0%)
Total 182 182 No change (0%)

About This Report

This report tracks Clippy allow annotations for specific rules, showing how they've changed in this PR. Decreasing the number of these annotations generally improves code quality.

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🔒 Cargo Deny Results

⚠️ 3 issue(s) found, showing only errors (advisories, bans, sources)

📦 libdd-data-pipeline - 3 error(s)

Show output
error[vulnerability]: Invalid pointer dereference in `fmt::Pointer` impl for `Atomic` and `Shared` when the underlying pointer is invalid
   ┌─ /home/runner/work/libdatadog/libdatadog/Cargo.lock:75:1
   │
75 │ crossbeam-epoch 0.9.18 registry+https://github.com/rust-lang/crates.io-index
   │ ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ security vulnerability detected
   │
   ├ ID: RUSTSEC-2026-0204
   ├ Advisory: https://rustsec.org/advisories/RUSTSEC-2026-0204
   ├ Affected versions of `fmt::Display` dereference the underlying pointer. This causes a invalid pointer dereference e.g., when a pointer created with `Atomic::null` or `Shared::null`. `fmt::Debug` impls and pre-0.9 `fmt::Display` impls, which do not dereference pointers, are not affected by this issue.
   ├ Announcement: https://github.com/crossbeam-rs/crossbeam/pull/1276
   ├ Solution: Upgrade to >=0.9.20 (try `cargo update -p crossbeam-epoch`)
   ├ crossbeam-epoch v0.9.18
     └── crossbeam-deque v0.8.5
         └── rayon-core v1.12.1
             └── rayon v1.10.0
                 └── criterion v0.5.1
                     ├── libdd-common v5.0.0
                     │   ├── libdd-capabilities-impl v2.0.0
                     │   │   ├── libdd-data-pipeline v6.0.0
                     │   │   ├── libdd-shared-runtime v1.0.0
                     │   │   │   ├── libdd-data-pipeline v6.0.0 (*)
                     │   │   │   ├── libdd-telemetry v5.0.1
                     │   │   │   │   ├── libdd-data-pipeline v6.0.0 (*)
                     │   │   │   │   └── libdd-trace-stats v5.0.0
                     │   │   │   │       └── libdd-data-pipeline v6.0.0 (*)
                     │   │   │   └── libdd-trace-stats v5.0.0 (*)
                     │   │   ├── libdd-trace-stats v5.0.0 (*)
                     │   │   └── libdd-trace-utils v8.0.0
                     │   │       ├── libdd-data-pipeline v6.0.0 (*)
                     │   │       ├── libdd-trace-obfuscation v4.0.0
                     │   │       │   └── libdd-trace-stats v5.0.0 (*)
                     │   │       ├── libdd-trace-stats v5.0.0 (*)
                     │   │       └── (dev) libdd-trace-utils v8.0.0 (*)
                     │   ├── libdd-data-pipeline v6.0.0 (*)
                     │   ├── libdd-dogstatsd-client v3.0.0
                     │   │   ├── libdd-data-pipeline v6.0.0 (*)
                     │   │   └── libdd-trace-stats v5.0.0 (*)
                     │   ├── libdd-shared-runtime v1.0.0 (*)
                     │   ├── libdd-telemetry v5.0.1 (*)
                     │   ├── libdd-trace-obfuscation v4.0.0 (*)
                     │   ├── libdd-trace-stats v5.0.0 (*)
                     │   └── libdd-trace-utils v8.0.0 (*)
                     ├── (dev) libdd-data-pipeline v6.0.0 (*)
                     ├── (dev) libdd-ddsketch v1.0.1
                     │   ├── libdd-data-pipeline v6.0.0 (*)
                     │   ├── libdd-telemetry v5.0.1 (*)
                     │   └── libdd-trace-stats v5.0.0 (*)
                     ├── (dev) libdd-trace-normalization v2.0.0
                     │   ├── libdd-data-pipeline v6.0.0 (*)
                     │   └── libdd-trace-utils v8.0.0 (*)
                     ├── (dev) libdd-trace-obfuscation v4.0.0 (*)
                     ├── (dev) libdd-trace-stats v5.0.0 (*)
                     └── (dev) libdd-trace-utils v8.0.0 (*)

error[unsound]: Rand is unsound with a custom logger using `rand::rng()`
    ┌─ /home/runner/work/libdatadog/libdatadog/Cargo.lock:218:1
    │
218 │ rand 0.8.5 registry+https://github.com/rust-lang/crates.io-index
    │ ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ unsound advisory detected
    │
    ├ ID: RUSTSEC-2026-0097
    ├ Advisory: https://rustsec.org/advisories/RUSTSEC-2026-0097
    ├ It has been reported (by @lopopolo) that the `rand` library is [unsound](https://rust-lang.github.io/unsafe-code-guidelines/glossary.html#soundness-of-code--of-a-library) (i.e. that safe code using the public API can cause Undefined Behaviour) when all the following conditions are met:
      
      - The `log` and `thread_rng` features are enabled
      - A [custom logger](https://docs.rs/log/latest/log/#implementing-a-logger) is defined
      - The custom logger accesses `rand::rng()` (previously `rand::thread_rng()`) and calls any `TryRng` (previously `RngCore`) methods on `ThreadRng`
      - The `ThreadRng` (attempts to) reseed while called from the custom logger (this happens every 64 kB of generated data)
      - Trace-level logging is enabled or warn-level logging is enabled and the random source (the `getrandom` crate) is unable to provide a new seed
      
      `TryRng` (previously `RngCore`) methods for `ThreadRng` use `unsafe` code to cast `*mut BlockRng<ReseedingCore>` to `&mut BlockRng<ReseedingCore>`. When all the above conditions are met this results in an aliased mutable reference, violating the Stacked Borrows rules. Miri is able to detect this violation in sample code. Since construction of [aliased mutable references is Undefined Behaviour](https://doc.rust-lang.org/stable/nomicon/references.html), the behaviour of optimized builds is hard to predict.
    ├ Announcement: https://github.com/rust-random/rand/pull/1763
    ├ Solution: Upgrade to >=0.10.1 OR <0.10.0, >=0.9.3 OR <0.9.0, >=0.8.6 (try `cargo update -p rand`)
    ├ rand v0.8.5
      ├── libdd-common v5.0.0
      │   ├── libdd-capabilities-impl v2.0.0
      │   │   ├── libdd-data-pipeline v6.0.0
      │   │   ├── libdd-shared-runtime v1.0.0
      │   │   │   ├── libdd-data-pipeline v6.0.0 (*)
      │   │   │   ├── libdd-telemetry v5.0.1
      │   │   │   │   ├── libdd-data-pipeline v6.0.0 (*)
      │   │   │   │   └── libdd-trace-stats v5.0.0
      │   │   │   │       └── libdd-data-pipeline v6.0.0 (*)
      │   │   │   └── libdd-trace-stats v5.0.0 (*)
      │   │   ├── libdd-trace-stats v5.0.0 (*)
      │   │   └── libdd-trace-utils v8.0.0
      │   │       ├── libdd-data-pipeline v6.0.0 (*)
      │   │       ├── libdd-trace-obfuscation v4.0.0
      │   │       │   └── libdd-trace-stats v5.0.0 (*)
      │   │       ├── libdd-trace-stats v5.0.0 (*)
      │   │       └── (dev) libdd-trace-utils v8.0.0 (*)
      │   ├── libdd-data-pipeline v6.0.0 (*)
      │   ├── libdd-dogstatsd-client v3.0.0
      │   │   ├── libdd-data-pipeline v6.0.0 (*)
      │   │   └── libdd-trace-stats v5.0.0 (*)
      │   ├── libdd-shared-runtime v1.0.0 (*)
      │   ├── libdd-telemetry v5.0.1 (*)
      │   ├── libdd-trace-obfuscation v4.0.0 (*)
      │   ├── libdd-trace-stats v5.0.0 (*)
      │   └── libdd-trace-utils v8.0.0 (*)
      ├── (dev) libdd-data-pipeline v6.0.0 (*)
      ├── (dev) libdd-ddsketch v1.0.1
      │   ├── libdd-data-pipeline v6.0.0 (*)
      │   ├── libdd-telemetry v5.0.1 (*)
      │   └── libdd-trace-stats v5.0.0 (*)
      ├── (dev) libdd-trace-normalization v2.0.0
      │   ├── libdd-data-pipeline v6.0.0 (*)
      │   └── libdd-trace-utils v8.0.0 (*)
      ├── (dev) libdd-trace-stats v5.0.0 (*)
      ├── libdd-trace-utils v8.0.0 (*)
      └── proptest v1.5.0
          └── (dev) libdd-tinybytes v1.1.1
              ├── libdd-data-pipeline v6.0.0 (*)
              ├── (dev) libdd-tinybytes v1.1.1 (*)
              └── libdd-trace-utils v8.0.0 (*)

error[vulnerability]: Denial of Service via Stack Exhaustion
    ┌─ /home/runner/work/libdatadog/libdatadog/Cargo.lock:287:1
    │
287 │ time 0.3.41 registry+https://github.com/rust-lang/crates.io-index
    │ ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ security vulnerability detected
    │
    ├ ID: RUSTSEC-2026-0009
    ├ Advisory: https://rustsec.org/advisories/RUSTSEC-2026-0009
    ├ ## Impact
      
      When user-provided input is provided to any type that parses with the RFC 2822 format, a denial of
      service attack via stack exhaustion is possible. The attack relies on formally deprecated and
      rarely-used features that are part of the RFC 2822 format used in a malicious manner. Ordinary,
      non-malicious input will never encounter this scenario.
      
      ## Patches
      
      A limit to the depth of recursion was added in v0.3.47. From this version, an error will be returned
      rather than exhausting the stack.
      
      ## Workarounds
      
      Limiting the length of user input is the simplest way to avoid stack exhaustion, as the amount of
      the stack consumed would be at most a factor of the length of the input.
    ├ Announcement: https://github.com/time-rs/time/blob/main/CHANGELOG.md#0347-2026-02-05
    ├ Solution: Upgrade to >=0.3.47 (try `cargo update -p time`)
    ├ time v0.3.41
      └── tracing-appender v0.2.3
          └── libdd-log v1.0.0
              └── (dev) libdd-data-pipeline v6.0.0

advisories FAILED, bans ok, sources ok

Updated: 2026-07-07 10:41:32 UTC | Commit: 708ee52 | dependency-check job results

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Tests

🎉 All green!

🧪 All tests passed
❄️ No new flaky tests detected

🎯 Code Coverage (details)
Patch Coverage: 100.00%
Overall Coverage: 74.41% (+0.01%)

This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 7c1d432 | Docs | Datadog PR Page | Give us feedback!

@dd-octo-sts

dd-octo-sts Bot commented Jul 7, 2026

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Artifact Size Benchmark Report

aarch64-alpine-linux-musl
Artifact Baseline Commit Change
/aarch64-alpine-linux-musl/lib/libdatadog_profiling.a 85.91 MB 85.91 MB 0% (0 B) 👌
/aarch64-alpine-linux-musl/lib/libdatadog_profiling.so 7.88 MB 7.88 MB 0% (0 B) 👌
aarch64-unknown-linux-gnu
Artifact Baseline Commit Change
/aarch64-unknown-linux-gnu/lib/libdatadog_profiling.a 97.11 MB 97.11 MB 0% (0 B) 👌
/aarch64-unknown-linux-gnu/lib/libdatadog_profiling.so 10.61 MB 10.61 MB 0% (0 B) 👌
libdatadog-x64-windows
Artifact Baseline Commit Change
/libdatadog-x64-windows/debug/dynamic/datadog_profiling_ffi.dll 25.46 MB 25.46 MB 0% (0 B) 👌
/libdatadog-x64-windows/debug/dynamic/datadog_profiling_ffi.lib 88.44 KB 88.44 KB 0% (0 B) 👌
/libdatadog-x64-windows/debug/dynamic/datadog_profiling_ffi.pdb 184.60 MB 184.60 MB 0% (0 B) 👌
/libdatadog-x64-windows/debug/static/datadog_profiling_ffi.lib 946.40 MB 946.40 MB 0% (0 B) 👌
/libdatadog-x64-windows/release/dynamic/datadog_profiling_ffi.dll 8.32 MB 8.32 MB 0% (0 B) 👌
/libdatadog-x64-windows/release/dynamic/datadog_profiling_ffi.lib 88.44 KB 88.44 KB 0% (0 B) 👌
/libdatadog-x64-windows/release/dynamic/datadog_profiling_ffi.pdb 24.62 MB 24.62 MB 0% (0 B) 👌
/libdatadog-x64-windows/release/static/datadog_profiling_ffi.lib 49.04 MB 49.04 MB 0% (0 B) 👌
libdatadog-x86-windows
Artifact Baseline Commit Change
/libdatadog-x86-windows/debug/dynamic/datadog_profiling_ffi.dll 22.06 MB 22.06 MB 0% (0 B) 👌
/libdatadog-x86-windows/debug/dynamic/datadog_profiling_ffi.lib 89.82 KB 89.82 KB 0% (0 B) 👌
/libdatadog-x86-windows/debug/dynamic/datadog_profiling_ffi.pdb 188.64 MB 188.62 MB --.01% (-24.00 KB) 💪
/libdatadog-x86-windows/debug/static/datadog_profiling_ffi.lib 935.37 MB 935.37 MB 0% (0 B) 👌
/libdatadog-x86-windows/release/dynamic/datadog_profiling_ffi.dll 6.43 MB 6.43 MB 0% (0 B) 👌
/libdatadog-x86-windows/release/dynamic/datadog_profiling_ffi.lib 89.82 KB 89.82 KB 0% (0 B) 👌
/libdatadog-x86-windows/release/dynamic/datadog_profiling_ffi.pdb 26.43 MB 26.43 MB 0% (0 B) 👌
/libdatadog-x86-windows/release/static/datadog_profiling_ffi.lib 46.65 MB 46.65 MB 0% (0 B) 👌
x86_64-alpine-linux-musl
Artifact Baseline Commit Change
/x86_64-alpine-linux-musl/lib/libdatadog_profiling.a 76.59 MB 76.59 MB 0% (0 B) 👌
/x86_64-alpine-linux-musl/lib/libdatadog_profiling.so 8.78 MB 8.78 MB 0% (0 B) 👌
x86_64-unknown-linux-gnu
Artifact Baseline Commit Change
/x86_64-unknown-linux-gnu/lib/libdatadog_profiling.a 92.11 MB 92.11 MB -0% (-8 B) 👌
/x86_64-unknown-linux-gnu/lib/libdatadog_profiling.so 10.69 MB 10.69 MB 0% (0 B) 👌

…eature

Building the crate with `--no-default-features` (telemetry off) failed to
compile because several tests and one example referenced `TelemetryConfig`
and `TraceExporterBuilder::enable_telemetry`, both of which are gated behind
the `telemetry` feature.

Gate the telemetry-dependent test code and the `send-traces-with-stats`
example accordingly, and silence an unused-variable warning in stats.rs for
non-telemetry builds. Non-telemetry tests in `test_new`/`test_new_defaults`
still run.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@iunanua iunanua force-pushed the igor/data-pipeline-no-default-features-tests branch from fbfc3de to 7c1d432 Compare July 7, 2026 10:38
@iunanua iunanua marked this pull request as ready for review July 7, 2026 11:55
@iunanua iunanua requested a review from a team as a code owner July 7, 2026 11:55
metrics_endpoint.assert_calls(1);
}

#[cfg(feature = "telemetry")]

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Nit: 3 tests is in the gray zone, but would that make sense to gather those tests under a separate submodule and gate the submodule once and for all?

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