Add tests for a simple workspace

checks/default.nix

@@ -72,24 +72,17 @@ onlyDrvs (lib.makeScope myLib.newScope (self:
       src = ./simple;
     };
 
-    smokeSimple = pkgs.runCommand "smoke-simple" { } ''
-      # does it run?
-      ${self.simple}/bin/simple
-      touch $out
-    '';
+    smoke = callPackage ./smoke.nix { };
+    smokeSimple = self.smoke [ "simple" ] self.simple;
 
-    smokeOverlappingTargets =
-      let
-        overlappingTargets = myLib.buildPackage {
-          src = ./overlapping-targets;
-        };
-      in
-      pkgs.runCommand "smoke-overlapping-targets" { } ''
-        # does it run?
-        ${overlappingTargets}/bin/foo
-        ${overlappingTargets}/bin/bar
-        ${overlappingTargets}/bin/baz
-        touch $out
-      '';
+    smokeOverlappingTargets = self.smoke [ "foo" "bar" "baz" ] (myLib.buildPackage {
+      src = ./overlapping-targets;
+    });
+
+    smokeWorkspace = self.smoke [ "print" ] self.workspace;
+
+    workspace = myLib.buildPackage {
+      src = ./workspace;
+    };
   })
 )

checks/smoke.nix

@@ -0,0 +1,13 @@
+{ runCommand
+}:
+
+bins: drv:
+let
+  testList = map (b: "${drv}/bin/${b}") bins;
+  tests = builtins.concatStringsSep "\n" testList;
+in
+runCommand "smoke-${drv.name}" { } ''
+  # does it run?
+  ${tests}
+  touch $out
+''

checks/workspace/Cargo.lock

@@ -0,0 +1,19 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "hello"
+version = "0.1.0"
+
+[[package]]
+name = "print"
+version = "0.1.0"
+dependencies = [
+ "hello",
+ "world",
+]
+
+[[package]]
+name = "world"
+version = "0.1.0"

checks/workspace/Cargo.toml

@@ -0,0 +1,4 @@
+[workspace]
+# NB: hello and world are intentionally left out cargo will
+# promote them to members since they are listed as path deps
+members = ["print"]

checks/workspace/hello/Cargo.toml

@@ -0,0 +1,4 @@
+[package]
+name = "hello"
+version = "0.1.0"
+edition = "2021"

checks/workspace/hello/src/lib.rs

@@ -0,0 +1,3 @@
+pub fn hello() -> &'static str {
+    "hello"
+}

checks/workspace/print/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "print"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+hello = { version = "*", path = "../hello" }
+world = { version = "*", path = "../world" }

checks/workspace/print/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("{}, {}", hello::hello(), world::world());
+}

checks/workspace/world/Cargo.toml

@@ -0,0 +1,4 @@
+[package]
+name = "world"
+version = "0.1.0"
+edition = "2021"

checks/workspace/world/src/lib.rs

@@ -0,0 +1,3 @@
+pub fn world() -> &'static str {
+    "world!"
+}