Merge pull request #1 from python-project-templates/tkp/cov

tweak rust test infra to use nextest and llvm cov to be compatible with stable instead of nightly

Author: timkpaine

Makefile

@@ -82,4 +82,4 @@ publish: dist  ## Dist assets to pypi
 	make -C rust publish
 
 clean:  ## Clean the repo
-	git clean -fdx
+	git clean -fdx

rust/Cargo.toml

@@ -16,3 +16,7 @@ crate-type = ["rlib"]
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1"
+
+[profile.test.junit]
+path = "junit.xml"
+

rust/Makefile

@@ -1,11 +1,11 @@
 .DEFAULT_GOAL := help
 .PHONY: dev build lint fix check tests tests-ci develop test format checks help dist publish
 
-dev:  ## Install required dev dependencies
+develop:  ## Install required dev dependencies
 	rustup component add rustfmt
 	rustup component add clippy
-	cargo install cargo2junit
-	cargo install grcov
+	cargo install cargo-nextest 
+	cargo install cargo-llvm-cov
 
 build:  ## Build release
 	cargo build --release --all-features
@@ -21,17 +21,10 @@ check:
 	cargo check --all-features
 
 tests:  ## Run the tests
-	cargo test -- --show-output
-	# cargo test -- -Z unstable-options --format json | cargo2junit > junit.xml
-
-tests-ci: $(eval SHELL:=/bin/bash)
-	{ \
-		export CARGO_INCREMENTAL=0;\
-		export RUSTDOCFLAGS="-Cpanic=abort";\
-		export RUSTFLAGS="-Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort";\
-		cargo test -- -Z unstable-options --format json | cargo2junit > junit.xml;\
-		grcov . --llvm -s . -t cobertura --branch --ignore-not-existing -o ./coverage.xml;\
-	}
+	cargo llvm-cov nextest
+
+tests-ci:
+	cargo llvm-cov --lcov --output-path coverage nextest
 
 dist:  ## Create dist
 	cargo publish --dry-run
@@ -40,7 +33,6 @@ publish:  ## Publish to cargo
 	cargo publish
 
 # aliases
-develop: dev
 test: tests
 format: fix
 checks: check

rust/src/lib.rs

@@ -1,6 +1,4 @@
-use serde::{Deserialize, Serialize};
-
-#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[derive(Clone, Debug, Eq, PartialEq)]
 pub struct Example {
     pub stuff: String,
 }
@@ -10,3 +8,27 @@ impl Example {
         Example { stuff: value }
     }
 }
+
+/**********************************/
+#[cfg(test)]
+mod example_tests {
+    use super::*;
+
+    #[test]
+    fn test_new() {
+        let e = Example::new(String::from("test"));
+        assert_eq!(e.stuff, String::from("test"));
+    }
+
+    #[test]
+    fn test_clone_and_eq() {
+        let e = Example::new(String::from("test"));
+        assert_eq!(e, e.clone());
+    }
+
+    #[test]
+    fn test_debug() {
+        let e = Example::new(String::from("test"));
+        assert_eq!(format!("{e:?}"), "Example { stuff: \"test\" }");
+    }
+}