Unified GitHub Action unit test workflow

.github/workflows/unittests.yml

@@ -0,0 +1,98 @@
+name: UnitTests
+
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - '.github/workflows/unittests.yml'
+      - 'tests/**'
+      - '**/*.lua'
+
+  pull_request:
+    paths:
+      - '.github/workflows/unittests.yml'
+      - 'tests/**'
+      - '**/*.lua'
+
+jobs:
+  ubuntu:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: Checkout premake5
+      uses: actions/checkout@v3
+      with:
+          repository: premake/premake-core
+          path: .bins/premake-build
+    - name: Build premake5
+      run: |
+        cd .bins/premake-build
+        make -f Bootstrap.mak linux CONFIG=release
+        cp bin/release/premake5 ../
+        cd ..
+        rm -Rf premake-build
+    - name: Install latest ninja-build
+      run: |
+        sudo wget -qO /usr/local/bin/ninja.gz https://github.com/ninja-build/ninja/releases/latest/download/ninja-linux.zip
+        sudo gunzip /usr/local/bin/ninja.gz
+        sudo chmod a+x /usr/local/bin/ninja
+    - name: Versions
+      run: |
+        python --version
+        .bins/premake5 --version
+        ninja --version
+    - name: Run tests
+      run: cd tests && PATH=$PATH:`pwd`/../.bins python run_tests.py
+  windows:
+    runs-on: windows-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: Checkout premake5
+      uses: actions/checkout@v3
+      with:
+          repository: premake/premake-core
+          path: .bins/premake-build
+    - name: Build premake5
+      run: |
+        $vcvarall_path = vswhere -find VC\Auxiliary\Build\vcvarsall.bat
+        cmd.exe /c "call ""$vcvarall_path"" x86_amd64 && cd .bins/premake-build && nmake -f Bootstrap.mak MSDEV=vs2022 windows-msbuild PLATFORM=Win32 CONFIG=release && cp bin/release/premake5.exe ../"
+    - name: Install ninja
+      uses: seanmiddleditch/gha-setup-ninja@v4
+    - name: Versions
+      run: |
+        python --version
+        .bins/premake5 --version
+        ninja --version
+    - name: Add cl.exe to PATH
+      uses: ilammy/msvc-dev-cmd@v1
+    - name: Run tests
+      run: cd tests && PATH=$PATH:`pwd`/../.bins python run_tests.py
+      shell: bash
+  macos:
+    runs-on: macos-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: Checkout premake5
+      uses: actions/checkout@v3
+      with:
+          repository: premake/premake-core
+          path: .bins/premake-build
+    - name: Build premake5
+      run: |
+        cd .bins/premake-build
+        make -f Bootstrap.mak osx CONFIG=release
+        cp bin/release/premake5 ../
+        cd ..
+        rm -Rf premake-build
+    - name: Install ninja
+      uses: seanmiddleditch/gha-setup-ninja@v4
+    - name: Versions
+      run: |
+        python --version
+        .bins/premake5 --version
+        ninja --version
+    - name: Run tests
+      run: cd tests && PATH=$PATH:`pwd`/../.bins python run_tests.py