Validate portable workspace identifiers

internal/artifacts/paths_test_helpers_test.go

@@ -0,0 +1,21 @@
+package artifacts
+
+import "testing"
+
+func mustSessionPreviousArtifactPath(t *testing.T, paths SessionPaths, relative string) string {
+	t.Helper()
+	path, err := SessionPreviousArtifactPath(paths, relative)
+	if err != nil {
+		t.Fatalf("SessionPreviousArtifactPath() error = %v", err)
+	}
+	return path
+}
+
+func mustSessionPreviousArtifactPathForCampaign(t *testing.T, root, campaign, sessionID, relative string) string {
+	t.Helper()
+	path, err := SessionPreviousArtifactPathForCampaign(root, campaign, sessionID, relative)
+	if err != nil {
+		t.Fatalf("SessionPreviousArtifactPathForCampaign() error = %v", err)
+	}
+	return path
+}