nsujir commented on code in PR #39241:
URL: https://github.com/apache/beam/pull/39241#discussion_r3547854991


##########
sdks/java/io/google-cloud-platform/src/test/java/org/apache/beam/sdk/io/gcp/spanner/SpannerAccessorTest.java:
##########
@@ -251,4 +252,54 @@ public void testBuildSpannerOptionsWithCustomHost() {
     SpannerOptions options = SpannerAccessor.buildSpannerOptions(config1);
     assertEquals(host, options.getHost());
   }
+
+  @Test
+  public void testBuildSpannerOptionsWithDirectedReadOptions() {
+    DirectedReadOptions directedReadOptions =
+        DirectedReadOptions.newBuilder()
+            .setIncludeReplicas(
+                DirectedReadOptions.IncludeReplicas.newBuilder()
+                    .addReplicaSelections(
+                        DirectedReadOptions.ReplicaSelection.newBuilder()
+                            .setLocation("us-central1")
+                            
.setType(DirectedReadOptions.ReplicaSelection.Type.READ_ONLY)))
+            .build();
+    SpannerConfig config1 =
+        SpannerConfig.create()
+            .toBuilder()
+            .setServiceFactory(serviceFactory)
+            
.setDirectedReadOptions(StaticValueProvider.of(directedReadOptions))
+            .setProjectId(StaticValueProvider.of("project"))
+            .setInstanceId(StaticValueProvider.of("test1"))
+            .setDatabaseId(StaticValueProvider.of("test1"))
+            .build();
+
+    SpannerOptions options = SpannerAccessor.buildSpannerOptions(config1);
+    assertEquals(directedReadOptions, options.getDirectedReadOptions());
+  }
+
+  @Test
+  public void testBuildSpannerOptionsWithDirectedReadOptionsJson() {
+    String jsonString =
+        
"{\"includeReplicas\":{\"replicaSelections\":[{\"location\":\"us-east1\",\"type\":\"READ_WRITE\"}]}}";

Review Comment:
   I think you can do 
   str = """
   ...
   """;
   
   and avoid escapes.
   



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