Fix mdBook tests on Windows

.github/workflows/ci.yml

@@ -167,17 +167,14 @@ jobs:
         os:
           - ubuntu
           - macOS
-          # TODO: Re-enable once rust-lang/rust#99466 is fixed:
-          #       https://github.com/rust-lang/rust/issues/99466
-          # - windows
+          - windows
     runs-on: ${{ matrix.os }}-latest
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
-
-      - run: cargo install mdbook
+      - uses: peaceiris/actions-mdbook@v1
 
       - run: make test.book
 

Makefile

@@ -110,8 +110,13 @@ test.book:
 ifeq ($(clean),yes)
 	cargo clean
 endif
+	$(eval target := $(strip $(shell cargo -vV | sed -n 's/host: //p')))
 	cargo build --all-features --tests
-	OUT_DIR=target mdbook test book -L target/debug/deps
+	mdbook test book -L target/debug/deps $(strip \
+		$(if $(call eq,$(findstring windows,$(target)),),,\
+			$(shell cargo metadata -q \
+			        | jq -r '.packages[] | select(.name == "windows_$(word 1,$(subst -, ,$(target)))_$(word 4,$(subst -, ,$(target)))") | .manifest_path' \
+			        | sed -e "s/^/-L '/" -e 's/Cargo.toml/lib/' -e "s/$$/'/" )))
 
 
 

book/README.md

@@ -48,7 +48,7 @@ To run the tests validating all code examples in the book, run (from project roo
 
 ```bash
 cargo build --all-features --tests
-OUT_DIR=target mdbook test -L target/debug/deps
+mdbook test -L target/debug/deps
 
 # or via shortcut:
 make test.book

src/lib.rs

@@ -133,6 +133,7 @@ pub mod codegen;
 #[cfg(test)]
 mod actually_used_crates_in_tests {
     use humantime as _;
+    use rand as _;
     use tempfile as _;
     use tokio as _;
 }