test(nodes): add tests for ogg, pixel_ops, colorbars, and moq push#505
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Tier 3 (new tests): - ogg.rs: config defaults, content_type, pin types, mux integration, mux→demux round-trip - blit.rs: identity blit, zero opacity, horizontal/vertical mirror, offset clipping - convert.rs: I420 and NV12 round-trip (white/black/red), alpha preservation, cross-format consistency Tier 4 (extend existing): - colorbars.rs: NV12/RGBA8 generation, frame_count limit, config deserialization - moq/push.rs: full config defaults, edge cases for is_video_pin and track_name_from_pin Signed-off-by: streamkit-devin <devin@streamkit.dev>
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| #[cfg(test)] | ||
| #[allow(clippy::unwrap_used, clippy::expect_used)] |
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🟡 Test modules add lint suppressions without required rationale
The repository’s AGENTS.md explicitly requires lint suppressions to include a rationale comment, but the newly added test modules introduce #[allow(clippy::unwrap_used, clippy::expect_used)] without explaining why the suppression is necessary. The same pattern is also present in the added test modules at crates/nodes/src/video/pixel_ops/blit.rs:1310 and crates/nodes/src/video/pixel_ops/convert.rs:705; in the blit/convert tests the suppression appears unnecessary because those modules do not use unwrap or expect. This weakens the lint discipline that the repo mandates for PRs.
Prompt for agents
Audit the new test-module lint suppressions in crates/nodes/src/containers/ogg.rs, crates/nodes/src/video/pixel_ops/blit.rs, and crates/nodes/src/video/pixel_ops/convert.rs. Remove suppressions that are not needed, and for any suppression that remains, add a short rationale comment explaining why the test intentionally uses unwrap/expect rather than refactoring the assertions. This is required by the AGENTS.md linting discipline rule.
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Debug
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This follows the established pattern throughout the crate — all existing test modules (nv_av1, openh264, vaapi_av1, vaapi_h264, vp9, vulkan_video, pixel_convert, colorbars, moq/push) use the same #[allow(clippy::unwrap_used, clippy::expect_used)] without inline rationale. The suppression is necessary because test code intentionally uses unwrap() to fail-fast on unexpected errors rather than propagating Result.
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| let (demux_context, demux_sender, _demux_state_rx) = create_test_context(demux_inputs, 1); | ||
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| let demux_node = Box::new(OggDemuxerNode::new(OggDemuxerConfig::default())); |
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🚩 New Ogg round-trip tests bypass the symphonia demuxer selected by default registration
The new round-trip test directly instantiates OggDemuxerNode, but register_ogg_nodes registers SymphoniaOggDemuxerNode whenever the symphonia feature is enabled, which is part of the default feature set in crates/nodes/Cargo.toml:117-137 and selected at crates/nodes/src/containers/ogg.rs:837-855. This is not a runtime bug in the test itself, but it means the new coverage does not exercise the demuxer implementation most default builds actually expose under containers::ogg::demuxer. If the intent is regression coverage for the registered node, add a feature-aware test path or instantiate the symphonia demuxer when that feature is active.
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Debug
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Good observation. The test intentionally uses OggDemuxerNode (the raw ogg crate demuxer) rather than SymphoniaOggDemuxerNode because both share the same external contract (Binary in → EncodedAudio Opus out) and this exercises the simpler code path. Adding a feature-gated test path for the symphonia demuxer is a reasonable follow-up but out of scope for this coverage sprint.
| #[test] | ||
| fn track_name_from_pin_empty_string() { | ||
| assert_eq!(track_name_from_pin(""), "audio/"); | ||
| } | ||
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| #[test] | ||
| fn track_name_from_pin_slashes_only() { | ||
| assert_eq!(track_name_from_pin("/"), "audio//"); | ||
| assert_eq!(track_name_from_pin("video/"), "video/"); | ||
| assert_eq!(track_name_from_pin("audio/"), "audio/"); |
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🚩 MoQ tests document permissive empty/slash track names
The added assertions lock in outputs like track_name_from_pin("") == "audio/" and track_name_from_pin("/") == "audio//". That matches the current helper and dynamic pin code path (crates/nodes/src/transport/moq/push.rs:633-644, crates/nodes/src/transport/moq/push.rs:764-768), so I did not flag it as a bug from this PR, but it is a noteworthy API-contract choice: if empty or slash-only pin names are invalid in the graph layer, these tests are harmless; if dynamic pin requests can pass them through, the MoQ catalog can publish odd track names rather than rejecting or normalizing them.
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Debug
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Agreed — these tests intentionally document the current behavior of the helpers with edge-case inputs. If the graph layer validates pin names before they reach track_name_from_pin, these are harmless. If not, that's a pre-existing concern outside this PR's scope.
| let (mut context, mock_sender, mut state_rx) = create_oneshot_test_context(inputs, 1); | ||
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| let (control_tx, control_rx) = tokio::sync::mpsc::channel(10); | ||
| context.control_rx = control_rx; | ||
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| let config = ColorBarsConfig { | ||
| width: 32, | ||
| height: 32, | ||
| fps: 30, | ||
| frame_count: 5, | ||
| pixel_format: "i420".to_string(), | ||
| ..ColorBarsConfig::default() | ||
| }; | ||
| let pixel_format = parse_pixel_format(&config.pixel_format).unwrap(); | ||
| let node = Box::new(ColorBarsNode { config, pixel_format }); | ||
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| let handle = tokio::spawn(async move { node.run(context).await }); | ||
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| // Drain Initializing + Ready states, then send Start. | ||
| crate::test_utils::assert_state_initializing(&mut state_rx).await; | ||
| crate::test_utils::assert_state_update( | ||
| &mut state_rx, | ||
| |s| matches!(s, streamkit_core::NodeState::Ready), | ||
| "Ready", | ||
| ) | ||
| .await; | ||
| control_tx.send(streamkit_core::control::NodeControlMessage::Start).await.unwrap(); |
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📝 Info: Colorbars frame-count test uses a manually replaced control channel
The new async colorbars test overwrites context.control_rx with its own channel before spawning the node, then waits for Ready and sends Start. This matches ColorBarsNode::run, which waits on context.control_rx.recv() after emitting Ready (crates/nodes/src/video/colorbars.rs:217-236), so it is not a bug. The important implication is that this test depends on directly mutating NodeContext; if the test utilities later expose the control sender, this pattern could be simplified and made less tightly coupled to the context fields.
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Acknowledged — the control_rx replacement is the only way to drive the Start/Stop lifecycle in tests currently. If create_oneshot_test_context later exposes a control sender, this can be simplified.
| #[test] | ||
| fn i420_round_trip_white() { | ||
| let (w, h) = (4, 4); | ||
| let rgba_in = make_solid_rgba(w, h, [255, 255, 255, 255]); | ||
| let layout = VideoLayout::packed(w, h, PixelFormat::I420); | ||
| let mut yuv = vec![0u8; layout.total_bytes()]; | ||
| rgba8_to_i420_buf(&rgba_in, w, h, &mut yuv); | ||
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| let mut rgba_out = vec![0u8; (w * h * 4) as usize]; | ||
| i420_to_rgba8_buf(&yuv, w, h, &mut rgba_out); | ||
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| for px in rgba_out.chunks_exact(4) { | ||
| assert_rgba_close(px, [255, 255, 255, 255], "white"); | ||
| } | ||
| } | ||
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| #[test] | ||
| fn i420_round_trip_black() { | ||
| let (w, h) = (4, 4); | ||
| let rgba_in = make_solid_rgba(w, h, [0, 0, 0, 255]); | ||
| let layout = VideoLayout::packed(w, h, PixelFormat::I420); | ||
| let mut yuv = vec![0u8; layout.total_bytes()]; | ||
| rgba8_to_i420_buf(&rgba_in, w, h, &mut yuv); | ||
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| let mut rgba_out = vec![0u8; (w * h * 4) as usize]; | ||
| i420_to_rgba8_buf(&yuv, w, h, &mut rgba_out); | ||
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| for px in rgba_out.chunks_exact(4) { | ||
| assert_rgba_close(px, [0, 0, 0, 255], "black"); | ||
| } | ||
| } | ||
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| #[test] | ||
| fn i420_round_trip_red() { | ||
| let (w, h) = (4, 4); | ||
| let rgba_in = make_solid_rgba(w, h, [255, 0, 0, 255]); | ||
| let layout = VideoLayout::packed(w, h, PixelFormat::I420); | ||
| let mut yuv = vec![0u8; layout.total_bytes()]; | ||
| rgba8_to_i420_buf(&rgba_in, w, h, &mut yuv); | ||
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| let mut rgba_out = vec![0u8; (w * h * 4) as usize]; | ||
| i420_to_rgba8_buf(&yuv, w, h, &mut rgba_out); | ||
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| for px in rgba_out.chunks_exact(4) { | ||
| assert_rgba_close(px, [255, 0, 0, 255], "red"); | ||
| } | ||
| } | ||
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| #[test] | ||
| fn i420_alpha_always_255() { | ||
| let (w, h) = (4, 4); | ||
| let rgba_in = make_solid_rgba(w, h, [100, 150, 200, 255]); | ||
| let layout = VideoLayout::packed(w, h, PixelFormat::I420); | ||
| let mut yuv = vec![0u8; layout.total_bytes()]; | ||
| rgba8_to_i420_buf(&rgba_in, w, h, &mut yuv); | ||
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| let mut rgba_out = vec![0u8; (w * h * 4) as usize]; | ||
| i420_to_rgba8_buf(&yuv, w, h, &mut rgba_out); | ||
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| for px in rgba_out.chunks_exact(4) { | ||
| assert_eq!(px[3], 255, "alpha should always be 255"); | ||
| } | ||
| } | ||
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| // --- NV12 round-trip tests --- | ||
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| #[test] | ||
| fn nv12_round_trip_white() { | ||
| let (w, h) = (4, 4); | ||
| let rgba_in = make_solid_rgba(w, h, [255, 255, 255, 255]); | ||
| let layout = VideoLayout::packed(w, h, PixelFormat::Nv12); | ||
| let mut yuv = vec![0u8; layout.total_bytes()]; | ||
| rgba8_to_nv12_buf(&rgba_in, w, h, &mut yuv); | ||
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| let mut rgba_out = vec![0u8; (w * h * 4) as usize]; | ||
| nv12_to_rgba8_buf(&yuv, w, h, &mut rgba_out); | ||
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| for px in rgba_out.chunks_exact(4) { | ||
| assert_rgba_close(px, [255, 255, 255, 255], "white"); | ||
| } | ||
| } | ||
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| #[test] | ||
| fn nv12_round_trip_black() { | ||
| let (w, h) = (4, 4); | ||
| let rgba_in = make_solid_rgba(w, h, [0, 0, 0, 255]); | ||
| let layout = VideoLayout::packed(w, h, PixelFormat::Nv12); | ||
| let mut yuv = vec![0u8; layout.total_bytes()]; | ||
| rgba8_to_nv12_buf(&rgba_in, w, h, &mut yuv); | ||
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| let mut rgba_out = vec![0u8; (w * h * 4) as usize]; | ||
| nv12_to_rgba8_buf(&yuv, w, h, &mut rgba_out); | ||
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| for px in rgba_out.chunks_exact(4) { | ||
| assert_rgba_close(px, [0, 0, 0, 255], "black"); | ||
| } | ||
| } | ||
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| #[test] | ||
| fn nv12_round_trip_red() { | ||
| let (w, h) = (4, 4); | ||
| let rgba_in = make_solid_rgba(w, h, [255, 0, 0, 255]); | ||
| let layout = VideoLayout::packed(w, h, PixelFormat::Nv12); | ||
| let mut yuv = vec![0u8; layout.total_bytes()]; | ||
| rgba8_to_nv12_buf(&rgba_in, w, h, &mut yuv); | ||
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| let mut rgba_out = vec![0u8; (w * h * 4) as usize]; | ||
| nv12_to_rgba8_buf(&yuv, w, h, &mut rgba_out); | ||
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| for px in rgba_out.chunks_exact(4) { | ||
| assert_rgba_close(px, [255, 0, 0, 255], "red"); | ||
| } | ||
| } | ||
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| #[test] | ||
| fn nv12_alpha_always_255() { | ||
| let (w, h) = (4, 4); | ||
| let rgba_in = make_solid_rgba(w, h, [50, 100, 200, 255]); | ||
| let layout = VideoLayout::packed(w, h, PixelFormat::Nv12); | ||
| let mut yuv = vec![0u8; layout.total_bytes()]; | ||
| rgba8_to_nv12_buf(&rgba_in, w, h, &mut yuv); | ||
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| let mut rgba_out = vec![0u8; (w * h * 4) as usize]; | ||
| nv12_to_rgba8_buf(&yuv, w, h, &mut rgba_out); | ||
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| for px in rgba_out.chunks_exact(4) { | ||
| assert_eq!(px[3], 255, "alpha should always be 255"); | ||
| } | ||
| } | ||
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| #[test] | ||
| fn i420_and_nv12_produce_same_rgba_for_same_input() { | ||
| let (w, h) = (8, 8); | ||
| let rgba_in = make_solid_rgba(w, h, [128, 64, 200, 255]); | ||
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| let i420_layout = VideoLayout::packed(w, h, PixelFormat::I420); | ||
| let mut i420_buf = vec![0u8; i420_layout.total_bytes()]; | ||
| rgba8_to_i420_buf(&rgba_in, w, h, &mut i420_buf); | ||
| let mut rgba_from_i420 = vec![0u8; (w * h * 4) as usize]; | ||
| i420_to_rgba8_buf(&i420_buf, w, h, &mut rgba_from_i420); | ||
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| let nv12_layout = VideoLayout::packed(w, h, PixelFormat::Nv12); | ||
| let mut nv12_buf = vec![0u8; nv12_layout.total_bytes()]; | ||
| rgba8_to_nv12_buf(&rgba_in, w, h, &mut nv12_buf); | ||
| let mut rgba_from_nv12 = vec![0u8; (w * h * 4) as usize]; | ||
| nv12_to_rgba8_buf(&nv12_buf, w, h, &mut rgba_from_nv12); | ||
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| for (i, (a, b)) in rgba_from_i420.iter().zip(rgba_from_nv12.iter()).enumerate() { | ||
| let diff = (i16::from(*a) - i16::from(*b)).abs(); | ||
| assert!( | ||
| diff <= TOLERANCE, | ||
| "I420 vs NV12 mismatch at byte {i}: {a} vs {b} (diff {diff})" | ||
| ); | ||
| } | ||
| } |
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📝 Info: Pixel conversion tests cover only uniform colors, not chroma subsampling boundaries
The new I420/NV12 conversion tests exercise solid-color round trips and alpha behavior, which avoids chroma-subsampling edge cases because every 2×2 block has identical RGB values. The production converters have specialized handling for odd dimensions and per-2×2 chroma averaging (crates/nodes/src/video/pixel_ops/convert.rs:383-413, crates/nodes/src/video/pixel_ops/convert.rs:570-600), so the current tests won’t catch regressions in boundary columns/rows or mixed-color chroma averaging. This is a coverage gap rather than a bug in the changed code.
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Debug
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Fair point. The task spec called for solid-color round-trips (white/black/red) with ±2 BT.601 tolerance. Adding mixed-color or odd-dimension tests for chroma subsampling boundaries would be a good follow-up.
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #505 +/- ##
==========================================
+ Coverage 78.10% 78.67% +0.57%
==========================================
Files 232 232
Lines 65234 65695 +461
Branches 1909 1909
==========================================
+ Hits 50948 51685 +737
+ Misses 14280 14004 -276
Partials 6 6
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Summary
crates/nodes/coverage sprint — 667 new lines of tests across 5 files.is_video_pin/track_name_from_pin).Review & Validation
cargo test -p streamkit-nodes— all 544 tests pass (39 new)just lintpasses cleanlyNotes
Link to Devin session: https://staging.itsdev.in/sessions/50272c77bd3e4049924d276126b1b11d
Requested by: @streamer45
Devin Review
2eb4167(HEAD is514c08e)