feat: multioutput pin subpackage test

tests/data/pixi_build/multi-output-pin/pixi.toml

@@ -0,0 +1,11 @@
+[workspace]
+authors = ["Wolf Vollprecht <[email protected]>"]
+channels = ["https://prefix.dev/conda-forge"]
+description = "Add a short description here"
+name = "multi-output"
+platforms = ["osx-arm64", "linux-64", "win-64"]
+preview = ["pixi-build"]
+version = "0.1.0"
+
+[dependencies]
+multi-output-pin = { path = "./recipe" }

tests/data/pixi_build/multi-output-pin/recipe/recipe.yaml

@@ -0,0 +1,15 @@
+recipe:
+  name: multi-output-pin
+  version: "0.1.0"
+
+build:
+  number: 0
+
+outputs:
+  - package:
+      name: libmulti-output-pin
+  - package:
+      name: multi-output-pin
+    requirements:
+      build:
+        - ${{ pin_subpackage('libmulti-output-pin', exact=True) }}

tests/integration_python/test_multi_output.py

@@ -44,6 +44,19 @@ def test_install(pixi: Path, build_data: Path, tmp_pixi_workspace: Path) -> None
     verify_cli_command([pixi, "install", "-v", "--locked", "--manifest-path", tmp_pixi_workspace])
 
 
+def test_install_multioutput_pin(pixi: Path, build_data: Path, tmp_pixi_workspace: Path) -> None:
+    project = "multi-output-pin"
+    test_data = build_data.joinpath(project)
+    test_data.joinpath("pixi.lock").unlink(missing_ok=True)
+    shutil.copytree(test_data, tmp_pixi_workspace, dirs_exist_ok=True)
+
+    # Run `install` should work and create a lock file
+    verify_cli_command([pixi, "install", "-v", "--manifest-path", tmp_pixi_workspace])
+
+    # Running `install` again require a lock file update
+    verify_cli_command([pixi, "install", "-v", "--locked", "--manifest-path", tmp_pixi_workspace])
+
+
 def test_available_packages(pixi: Path, build_data: Path, tmp_pixi_workspace: Path) -> None:
     project = "multi-output"
     test_data = build_data.joinpath(project)