Add trace and trace_futures features to crate

Changed:
- Instrument the tests with proper tracing spans

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ env:
   CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_RUSTFLAGS: -Dwarnings # https://github.com/rust-lang/cargo/issues/4423#issuecomment-404188918
   CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUSTFLAGS: -Dwarnings # https://github.com/rust-lang/cargo/issues/4423#issuecomment-404188918
   RUST_BACKTRACE: short
-  RUST_LOG: info
+  RUST_LOG: callbag=trace,info
   RUSTFLAGS: -Dwarnings
 
 jobs:
@@ -93,11 +93,11 @@ jobs:
         with:
           command: test
           toolchain: ${{ matrix.rust }}
-          args: --no-fail-fast -- --show-output --test-threads=1
+          args: --no-fail-fast --features trace_futures -- --nocapture --test-threads=1
       - name: Install wasm-pack
         uses: ./.github/actions/install-wasm-pack
-      - name: Run tests (wasm32-unknown-unknown) (Node.js)
-        run: rustup run ${{ matrix.rust }} wasm-pack test --node
+      - name: Run tests (wasm32-unknown-unknown, node)
+        run: rustup run ${{ matrix.rust }} wasm-pack test --node -- --features trace_futures
       - name: Install cargo-wasi
         uses: ./.github/actions/cargo
         with:
@@ -110,7 +110,7 @@ jobs:
         with:
           command: wasi
           toolchain: ${{ matrix.rust }}
-          args: test --no-fail-fast -- --show-output --test-threads=1
+          args: test --no-fail-fast --features trace -- --nocapture --test-threads=1
       - name: Run doctests
         uses: ./.github/actions/cargo
         with:
@@ -153,4 +153,4 @@ jobs:
         with:
           command: fmt
           toolchain: stable
-          args: -- --check
+          args: --check

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ##  Unreleased
 
+### Added
+
+-   Add `trace` feature to crate
+
 ##  v0.14.0 - 2022-01-14
 
 ### Changed

Cargo.toml

@@ -14,21 +14,24 @@ categories = ["asynchronous", "concurrency"]
 arc-swap = "1.5.0"
 async_executors = { version = "0.5.1", optional = true }
 async_nursery = { version = "0.4.0", default-features = false, optional = true }
+cfg-if = "1.0.0"
 never = "0.1.0"
 paste = { version = "1.0.6", optional = true }
+tracing = { version = "0.1.29", optional = true }
+tracing-futures = { version = "0.2.5", optional = true }
 
 [dev-dependencies]
-assert_matches = "1.5.0"
 crossbeam-queue = "0.3.3"
+paste = "1.0.6"
 test-log = { version = "0.2.8", default-features = false, features = ["trace"] }
 tracing = "0.1.29"
-tracing-futures = "0.2.5"
 tracing-subscriber = { version = "0.3.5", features = ["env-filter"] }
 
 [target.'cfg(not(all(target_arch = "wasm32", target_os = "wasi")))'.dev-dependencies]
 async-std = { version = "1.10.0", features = ["attributes", "unstable"] }
 async_executors = { version = "0.5.1", features = ["async_std", "tracing"] }
 async_nursery = { version = "0.4.0", features = ["tracing"] }
+tracing-futures = "0.2.5"
 
 [target.'cfg(all(target_arch = "wasm32", not(target_os = "wasi")))'.dev-dependencies]
 async_executors = { version = "0.5.1", features = ["timer"] }
@@ -66,6 +69,8 @@ scan = []
 share = []
 skip = []
 take = []
+trace = ["paste", "tracing"]
+trace_futures = ["trace", "tracing-futures"]
 
 [lib]
 doctest = false

rustfmt.toml

@@ -1,4 +1,6 @@
 # empty_item_single_line = false
+# error_on_line_overflow = true
+# format_strings = true
 # imports_layout = "HorizontalVertical"
 match_block_trailing_comma = true
 newline_style = "Unix"