Test different feature combinations with coverage.sh.

.cargo/config.toml

@@ -1,2 +1,4 @@
 [alias]
-coverage = 'llvm-cov --workspace nextest --open --output-dir ./target/coverage --workspace'
+coverage_0 = ["llvm-cov", "--workspace", "nextest", "--no-report", "--output-dir", "./target/coverage", "--features", ""]
+coverage_1 = ["llvm-cov", "--workspace", "nextest", "--no-report", "--output-dir", "./target/coverage", "--features", "unsafe_debug"]
+coverage_open = 'llvm-cov --no-run --open --output-dir ./target/coverage'

.github/workflows/ci.yml

@@ -101,10 +101,7 @@ jobs:
         run: mkdir -p ./target/coverage
 
       - name: 'Collect coverage'
-        uses: actions-rs/cargo@v1
-        with:
-          command: llvm-cov
-          args: --workspace nextest --workspace --lcov --output-path ./target/coverage/lcov.info
+        run: ./coverage.sh
 
       - name: Upload to codecov.io
         uses: codecov/codecov-action@v1

DEVELOPMENT.md

@@ -5,17 +5,15 @@
 ```bash
 rustup component add llvm-tools-preview
 cargo install cargo-llvm-cov
-
-# Optional: Use `nextest` to run tests
 cargo install cargo-nextest
 ```
 
 
 ## Running Tests
 
 ```bash
-cargo test --workspace
 cargo nextest run --workspace
+cargo nextest run --workspace --features "unsafe_debug"
 ```
 
 
@@ -24,23 +22,13 @@ cargo nextest run --workspace
 Collect coverage and output as `html`.
 
 ```bash
-cargo llvm-cov --workspace --open --output-dir ./target/coverage
-
-# With `nextest`:
-# https://github.com/taiki-e/cargo-llvm-cov/issues/151
-cargo coverage
-# This is an alias defined in `.cargo/config.toml` to:
-cargo llvm-cov --workspace nextest --open --output-dir ./target/coverage --workspace
+./coverage.sh && cargo coverage_open
 ```
 
 Collect coverage and output as `lcov`.
 
 ```bash
-cargo llvm-cov --workspace --lcov --output-path ./target/coverage/lcov.info
-
-# With `nextest`:
-# https://github.com/taiki-e/cargo-llvm-cov/issues/151
-cargo llvm-cov --workspace nextest --workspace --lcov --output-path ./target/coverage/lcov.info
+./coverage.sh
 ```
 
 

coverage.sh

@@ -0,0 +1,12 @@
+#! /bin/bash
+set -euo pipefail
+
+cargo llvm-cov clean --workspace
+mkdir -p ./target/coverage
+
+# See `.config/cargo.toml`
+for i in {0..1}
+do cargo coverage_$i
+done
+
+cargo llvm-cov --no-run --lcov --output-path ./target/coverage/lcov.info