Enable GitHub actions for Windows.

Also added skip and a warning for using Beam on windows related to:
#32

PiperOrigin-RevId: 647445493

.github/workflows/go_build.yaml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macOS-latest] # add windows once fully supported
+        os: [ubuntu-latest, macOS-latest, windows-latest]
     steps:
 
     - name: Set up Go 1.22

beam/README.md

@@ -13,6 +13,10 @@ for more information on Apache Beam.
 **Warning: When using these tools with protected health information (PHI),
 please be sure to follow your organization's policies with respect to PHI.**
 
+**Note: There's currently an issue with Beam tests on Windows. Until this is
+resolved it is not advised to use the beam job on Windows. See
+https://github.com/google/cql/issues/32 for further context.**
+
 ## Running
 
 The CQL on Beam pipeline is currently limited to local file system IO. The

beam/main_test.go

@@ -18,6 +18,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"testing"
 	"time"
@@ -117,6 +118,11 @@ func TestPipeline(t *testing.T) {
 	}
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
+			if runtime.GOOS == "windows" {
+				// https://github.com/google/cql/issues/32
+				// For some reason the bundle file is not being closed properly on Windows.
+				t.Skip("Skipping test on Windows due to io error")
+			}
 			p, s := beam.NewPipelineWithRoot()
 			result, errors := buildPipeline(s, test.cfg)
 			beam.ParDo0(s, diffEvalResults, beam.Impulse(s), beam.SideInput{Input: beam.CreateList(s, test.wantOutput)}, beam.SideInput{Input: result})