test: verify main download links in unit test

.github/workflows/ci.yml

@@ -54,7 +54,10 @@ jobs:
 
   # run unit tests
   unit-tests:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, ubuntu-24.04-arm]
+    runs-on: ${{ matrix.os }}
     permissions:
       contents: read
     steps:
@@ -66,7 +69,7 @@ jobs:
           go-version: ${{ env.GO_VERSION }}
 
       - name: Run unit tests
-        run: go test -run '' builder/installer
+        run: go test -v builder/...
 
   # Build Job
   build:

features/src/instant-client/installer.go

@@ -17,6 +17,12 @@ import (
 // Configuration
 //////////
 
+const (
+	defaultDownloadUrl      = "https://download.oracle.com"
+	defaultVersionsUrlAMD64 = "https://www.oracle.com/database/technologies/instant-client/linux-x86-64-downloads.html"
+	defaultVersionsUrlArm64 = "https://www.oracle.com/database/technologies/instant-client/linux-arm-aarch64-downloads.html"
+)
+
 var versionRegexp *regexp.Regexp = regexp.MustCompile(`^(\d+).(\d+).(\d+).(\d+).(\d+)$`)
 var indexLineRegexp *regexp.Regexp = regexp.MustCompile(`<a[^>]*href=['"]([^'"]*download\.oracle\.com[^'"]*instantclient-basic-[^'"]*-(\d+(?:\.\d+){4})\w*\.zip)['"]`)
 
@@ -44,15 +50,15 @@ func runMain() error {
 	}
 
 	defaultVersionsUrl, err := installer.Tools.System.MapArchitecture(map[string]string{
-		installer.AMD64: "https://www.oracle.com/database/technologies/instant-client/linux-x86-64-downloads.html",
-		installer.ARM64: "https://www.oracle.com/database/technologies/instant-client/linux-arm-aarch64-downloads.html",
+		installer.AMD64: defaultVersionsUrlAMD64,
+		installer.ARM64: defaultVersionsUrlArm64,
 	})
 	if err != nil {
 		return err
 	}
 
 	installer.HandleOverride(versionsUrl, defaultVersionsUrl, "instant-client-versions-url")
-	installer.HandleOverride(downloadUrl, "https://download.oracle.com", "instant-client-download-url")
+	installer.HandleOverride(downloadUrl, defaultDownloadUrl, "instant-client-download-url")
 
 	// Create and process the feature
 	feature := installer.NewFeature("Oracle Instant Client", false,

features/src/instant-client/version_test.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"builder/installer"
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func newTestInstantClientComponent() (*instantClientComponent, error) {
+	versionsUrl, err := installer.Tools.System.MapArchitecture(map[string]string{
+		installer.AMD64: defaultVersionsUrlAMD64,
+		installer.ARM64: defaultVersionsUrlArm64,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return &instantClientComponent{
+		ComponentBase: installer.NewComponentBase("Basic Package", "latest"),
+		versionsUrl:   versionsUrl,
+		downloadUrl:   defaultDownloadUrl,
+	}, nil
+}
+
+func TestDownloadURLForAllMainVersions(t *testing.T) {
+	c, err := newTestInstantClientComponent()
+	assert.NoError(t, err)
+
+	versions, err := c.GetAllVersions()
+	assert.NoError(t, err)
+	assert.NotEmpty(t, versions)
+
+	for _, version := range versions {
+		t.Run(version.String(), func(t *testing.T) {
+			url, err := c.createDownloadURLForVersion(version)
+			require.NoError(t, err)
+
+			resp, err := http.Head(url)
+			require.NoError(t, err)
+			defer resp.Body.Close()
+
+			assert.Equal(t, http.StatusOK, resp.StatusCode, "expected HTTP 200 for %s", url)
+		})
+	}
+}