test: assert against specific rust version defined by rust-toolchain.toml (#299)

* test: assert against specific rust version defined by rust-toolchain.toml

* test: assert cargo workspace version

* test: assert specific rust version in integration tests

* test: fix wrong rust version

need to add a .tool-version in another PR

examples/rust-cargo-workspaces-glob/example/binary/build.rs

@@ -0,0 +1,21 @@
+use std::process::Command;
+
+fn main() {
+    let output = Command::new("rustc")
+        .arg("--version")
+        .output()
+        .expect("Failed to execute rustc");
+
+    let version = String::from_utf8(output.stdout)
+        .expect("Invalid UTF-8 in rustc output")
+        .trim()
+        .to_string();
+
+    let simplified_version = version
+        .split('(')
+        .next()
+        .unwrap_or(&version)
+        .trim();
+
+    println!("cargo:rustc-env=RUST_VERSION={}", simplified_version);
+}

examples/rust-cargo-workspaces-glob/example/binary/src/main.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("{}", library::MESSAGE);
+    println!("{} ({})", library::MESSAGE, env!("RUST_VERSION"));
 }

examples/rust-cargo-workspaces-glob/test.json

@@ -1,5 +1,5 @@
 [
   {
-    "expectedOutput": "Hello from rust"
+    "expectedOutput": "Hello from rust (rustc 1.89.0)"
   }
 ]

examples/rust-cargo-workspaces/binary/build.rs

@@ -0,0 +1,21 @@
+use std::process::Command;
+
+fn main() {
+    let output = Command::new("rustc")
+        .arg("--version")
+        .output()
+        .expect("Failed to execute rustc");
+
+    let version = String::from_utf8(output.stdout)
+        .expect("Invalid UTF-8 in rustc output")
+        .trim()
+        .to_string();
+
+    let simplified_version = version
+        .split('(')
+        .next()
+        .unwrap_or(&version)
+        .trim();
+
+    println!("cargo:rustc-env=RUST_VERSION={}", simplified_version);
+}

examples/rust-cargo-workspaces/binary/src/main.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("{}", library::MESSAGE);
+    println!("{} ({})", library::MESSAGE, env!("RUST_VERSION"));
 }

examples/rust-cargo-workspaces/test.json

@@ -1,5 +1,5 @@
 [
   {
-    "expectedOutput": "Hello from rust"
+    "expectedOutput": "Hello from rust (rustc 1.89.0)"
   }
 ]

examples/rust-custom-toolchain/build.rs

@@ -0,0 +1,21 @@
+use std::process::Command;
+
+fn main() {
+    let output = Command::new("rustc")
+        .arg("--version")
+        .output()
+        .expect("Failed to execute rustc");
+
+    let version = String::from_utf8(output.stdout)
+        .expect("Invalid UTF-8 in rustc output")
+        .trim()
+        .to_string();
+
+    let simplified_version = version
+        .split('(')
+        .next()
+        .unwrap_or(&version)
+        .trim();
+
+    println!("cargo:rustc-env=RUST_VERSION={}", simplified_version);
+}

examples/rust-custom-toolchain/src/main.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("hello from custom toolchain");
+    println!("hello from custom toolchain ({})", env!("RUST_VERSION"));
 }

examples/rust-custom-toolchain/test.json

@@ -1,5 +1,5 @@
 [
   {
-    "expectedOutput": "hello from custom toolchain"
+    "expectedOutput": "hello from custom toolchain (rustc 1.59.0)"
   }
 ]

examples/rust-custom-version/build.rs

@@ -0,0 +1,21 @@
+use std::process::Command;
+
+fn main() {
+    let output = Command::new("rustc")
+        .arg("--version")
+        .output()
+        .expect("Failed to execute rustc");
+
+    let version = String::from_utf8(output.stdout)
+        .expect("Invalid UTF-8 in rustc output")
+        .trim()
+        .to_string();
+
+    let simplified_version = version
+        .split('(')
+        .next()
+        .unwrap_or(&version)
+        .trim();
+
+    println!("cargo:rustc-env=RUST_VERSION={}", simplified_version);
+}

examples/rust-custom-version/src/main.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("hello from custom version");
+    println!("hello from custom version ({})", env!("RUST_VERSION"));
 }

examples/rust-custom-version/test.json

@@ -1,5 +1,5 @@
 [
   {
-    "expectedOutput": "hello from custom version"
+    "expectedOutput": "hello from custom version (rustc 1.56.0)"
   }
 ]

examples/rust-multiple-bins/build.rs

@@ -0,0 +1,21 @@
+use std::process::Command;
+
+fn main() {
+    let output = Command::new("rustc")
+        .arg("--version")
+        .output()
+        .expect("Failed to execute rustc");
+
+    let version = String::from_utf8(output.stdout)
+        .expect("Invalid UTF-8 in rustc output")
+        .trim()
+        .to_string();
+
+    let simplified_version = version
+        .split('(')
+        .next()
+        .unwrap_or(&version)
+        .trim();
+
+    println!("cargo:rustc-env=RUST_VERSION={}", simplified_version);
+}

examples/rust-multiple-bins/src/bin/bin1.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("This is Bin 1!");
+    println!("This is Bin 1! ({})", env!("RUST_VERSION"));
 }

examples/rust-multiple-bins/test.json

@@ -1,5 +1,5 @@
 [
   {
-    "expectedOutput": "This is Bin 1!"
+    "expectedOutput": "This is Bin 1! (rustc 1.84.0)"
   }
 ]

examples/rust-rocket/build.rs

@@ -0,0 +1,21 @@
+use std::process::Command;
+
+fn main() {
+    let output = Command::new("rustc")
+        .arg("--version")
+        .output()
+        .expect("Failed to execute rustc");
+
+    let version = String::from_utf8(output.stdout)
+        .expect("Invalid UTF-8 in rustc output")
+        .trim()
+        .to_string();
+
+    let simplified_version = version
+        .split('(')
+        .next()
+        .unwrap_or(&version)
+        .trim();
+
+    println!("cargo:rustc-env=RUST_VERSION={}", simplified_version);
+}

examples/rust-rocket/src/main.rs

@@ -2,8 +2,8 @@
 extern crate rocket;
 
 #[get("/")]
-fn index() -> &'static str {
-    "Hello, from Rocket!"
+fn index() -> String {
+    format!("Hello, from Rocket! ({})", env!("RUST_VERSION"))
 }
 
 #[launch]

examples/rust-system-deps/build.rs

@@ -0,0 +1,21 @@
+use std::process::Command;
+
+fn main() {
+    let output = Command::new("rustc")
+        .arg("--version")
+        .output()
+        .expect("Failed to execute rustc");
+
+    let version = String::from_utf8(output.stdout)
+        .expect("Invalid UTF-8 in rustc output")
+        .trim()
+        .to_string();
+
+    let simplified_version = version
+        .split('(')
+        .next()
+        .unwrap_or(&version)
+        .trim();
+
+    println!("cargo:rustc-env=RUST_VERSION={}", simplified_version);
+}

examples/rust-system-deps/src/main.rs

@@ -2,5 +2,5 @@ use openssl as _;
 use ring as _;
 
 fn main() {
-    println!("hello from rust system deps")
+    println!("hello from rust system deps ({})", env!("RUST_VERSION"))
 }

examples/rust-system-deps/test.json

@@ -1,5 +1,5 @@
 [
   {
-    "expectedOutput": "hello from rust system deps"
+    "expectedOutput": "hello from rust system deps (rustc 1.85.1)"
   }
 ]