Add some initial downstream tests and apply suggestions

.github/workflows/test_downstream.yml

@@ -203,3 +203,71 @@ jobs:
         run: ${{ env.TARGET_RELEASE }}/pixi${{ matrix.arch.extension }} run typecheck-integration
       - name: Run integration tests
         run: ${{ env.TARGET_RELEASE }}/pixi${{ matrix.arch.extension }} run test-integration-ci
+
+  test-export:
+    name: ${{ matrix.arch.name }} - Export Tests
+    runs-on: ${{ matrix.arch.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        arch:
+          # Linux
+          - {
+              target: x86_64-unknown-linux-musl,
+              os: ubuntu-20.04,
+              name: "Linux",
+            }
+          # MacOS
+          - { target: x86_64-apple-darwin, os: macos-13, name: "MacOS-x86" }
+          - { target: aarch64-apple-darwin, os: macos-14, name: "MacOS-arm" } # macOS-14 is the ARM chipset
+          # Windows
+          - {
+              target: x86_64-pc-windows-msvc,
+              os: windows-latest,
+              extension: .exe,
+              name: "Windows",
+            }
+    steps:
+      - name: checkout repo
+        uses: actions/checkout@v4
+      - name: setup micromamba
+        uses: mamba-org/[email protected]
+      - name: Download binary from build
+        uses: actions/download-artifact@v4
+        with:
+          name: pixi-${{ matrix.arch.target }}${{ matrix.arch.extension }}
+          path: pixi_bin
+      - name: Debug
+        run: |
+          pwd
+      - name: Setup unix binary, add to github path
+        if: matrix.arch.name != 'Windows'
+        run: |
+          mv pixi_bin/pixi-${{ matrix.arch.target }} pixi_bin/pixi
+          chmod a+x pixi_bin/pixi
+          echo "$(pwd)/pixi_bin" >> $GITHUB_PATH
+      - name: Create Directory and Move Executable
+        if: matrix.arch.name == 'Windows' && matrix.arch.target == 'x86_64-pc-windows-msvc'
+        run: |
+          New-Item -ItemType Directory -Force -Path "D:\.pixi"
+          Move-Item -Path "pixi_bin/pixi-${{ matrix.arch.target }}${{ matrix.arch.extension }}" -Destination "D:\.pixi\pixi.exe"
+        shell: pwsh
+      - name: Add to PATH
+        if: matrix.arch.name == 'Windows' && matrix.arch.target == 'x86_64-pc-windows-msvc'
+        run: echo "D:\.pixi" | Out-File -Append -Encoding utf8 -FilePath $env:GITHUB_PATH
+        shell: pwsh
+      - name: Verify and Use Executable
+        if: matrix.arch.name == 'Windows' && matrix.arch.target == 'x86_64-pc-windows-msvc'
+        run: |
+          echo "Current PATH: $env:PATH"
+          pixi --version
+        shell: pwsh
+      - name: Help
+        run: pixi --help
+      - name: Info
+        run: pixi info
+      - name: Install pixi
+        run: pixi install -v
+      - name: Test export
+        shell: bash
+        run: bash tests/test_export.sh

src/cli/project/export/conda_environment.rs

@@ -17,17 +17,16 @@ use crate::project::Environment;
 use crate::Project;
 
 #[derive(Debug, Parser)]
-#[clap(arg_required_else_help = false)]
 pub struct Args {
     /// Explicit path to export the environment to
     pub output_path: Option<PathBuf>,
 
-    /// The platform to render the environment file for.    
-    /// Defaults to the current platform. 
+    /// The platform to render the environment file for.
+    /// Defaults to the current platform.
     #[arg(short, long)]
     pub platform: Option<Platform>,
 
-    /// The environment to render the environment file for. 
+    /// The environment to render the environment file for.
     /// Defaults to the default environment.
     #[arg(short, long)]
     pub environment: Option<String>,

tests/test_export.sh

@@ -0,0 +1,45 @@
+# Run from the root of the project using `bash tests/test_export.sh`
+set -e
+echo "Running test_export.sh"
+
+echo "Exporting the export test environment"
+pixi project export conda-environment --manifest-path src/cli/project/export/test-data/testenv/pixi.toml | tee test-env.yml
+echo "Creating the export test environment with micromamba"
+micromamba create -y -f test-env.yml -n export-test
+micromamba env list
+micromamba env remove -y -n export-test
+
+echo "Exporting an environment.yml with pip extras"
+pixi project export conda-environment --manifest-path examples/pypi/pixi.toml | tee test-env-pip-extras.yml
+echo "Creating the pip extra test environment with micromamba"
+micromamba create -y -f test-env-pip-extras.yml -n export-test-pip-extras
+micromamba env list
+micromamba env remove -y -n export-test-pip-extras
+
+echo "Export an environment.yml with editable source dependencies"
+pixi project export conda-environment --manifest-path examples/pypi-source-deps/pixi.toml | tee test-env-source-deps.yml
+echo "Creating the editable source dependencies test environment with micromamba"
+micromamba create -y -f test-env-source-deps.yml -n export-test-source-deps
+micromamba env list
+micromamba env remove -y -n export-test-source-deps
+
+echo "Export an environment.yml with custom pip registry"
+pixi project export conda-environment --manifest-path examples/pypi-custom-registry/pixi.toml | tee test-env-custom-registry.yml
+echo "Creating the custom pip registry test environment with micromamba"
+micromamba create -y -f test-env-custom-registry.yml -n export-test-custom-registry
+micromamba env list
+micromamba env remove -y -n export-test-custom-registry
+
+echo "Export an environment.yml with pip find links"
+pixi project export conda-environment --manifest-path examples/pypi-find-links/pixi.toml | tee test-env-find-links.yml
+echo "Creating the pip find links test environment with micromamba"
+micromamba create -y -f test-env-find-links.yml -n export-test-find-links
+micromamba env list
+micromamba env remove -y -n export-test-find-links
+
+echo "Export an environment.yml from a pyproject.toml that has caused panics"
+pixi project export conda-environment --manifest-path examples/docker/pyproject.toml | tee test-env-pyproject-panic.yml
+echo "Creating the pyproject.toml panic test environment with micromamba"
+micromamba create -y -f test-env-pyproject-panic.yml -n export-test-pyproject-panic
+micromamba env list
+micromamba env remove -y -n export-test-pyproject-panic