fix: fix tests and argument checks (#1833)

google-cloud-bigtable-deps-bom/pom.xml

@@ -66,7 +66,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shared-dependencies</artifactId>
-        <version>3.12.0</version>
+        <version>3.13.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>

google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/BigtableBatchingCallSettings.java

@@ -294,28 +294,28 @@ public boolean isServerInitiatedFlowControlEnabled() {
     @Override
     public BigtableBatchingCallSettings build() {
       Preconditions.checkState(batchingSettings != null, "batchingSettings must be set");
-      FlowControlSettings defaultSettings = batchingSettings.getFlowControlSettings();
+      FlowControlSettings flowControlSettings = batchingSettings.getFlowControlSettings();
       Preconditions.checkState(
-          defaultSettings.getMaxOutstandingElementCount() != null,
+          flowControlSettings.getMaxOutstandingElementCount() != null,
           "maxOutstandingElementCount must be set in BatchingSettings#FlowControlSettings");
       Preconditions.checkState(
-          defaultSettings.getMaxOutstandingRequestBytes() != null,
+          flowControlSettings.getMaxOutstandingRequestBytes() != null,
           "maxOutstandingRequestBytes must be set in BatchingSettings#FlowControlSettings");
       Preconditions.checkArgument(
           batchingSettings.getElementCountThreshold() == null
-              || defaultSettings.getMaxOutstandingElementCount()
-                  >= batchingSettings.getElementCountThreshold(),
-          "if elementCountThreshold is set in BatchingSettings, maxOutstandingElementCount must be >= elementCountThreshold");
+              || flowControlSettings.getMaxOutstandingElementCount()
+                  > batchingSettings.getElementCountThreshold(),
+          "if batch elementCountThreshold is set in BatchingSettings, flow control maxOutstandingElementCount must be > elementCountThreshold");
       Preconditions.checkArgument(
           batchingSettings.getRequestByteThreshold() == null
-              || defaultSettings.getMaxOutstandingRequestBytes()
-                  >= batchingSettings.getRequestByteThreshold(),
-          "if requestByteThreshold is set in BatchingSettings, getMaxOutstandingRequestBytes must be >= getRequestByteThreshold");
+              || flowControlSettings.getMaxOutstandingRequestBytes()
+                  > batchingSettings.getRequestByteThreshold(),
+          "if batch requestByteThreshold is set in BatchingSettings, flow control maxOutstandingRequestBytes must be > getRequestByteThreshold");
       // Combine static FlowControlSettings with latency based throttling settings to create
       // DynamicFlowControlSettings.
       if (isLatencyBasedThrottlingEnabled()) {
-        long maxThrottlingElementCount = defaultSettings.getMaxOutstandingElementCount();
-        long maxThrottlingRequestByteCount = defaultSettings.getMaxOutstandingRequestBytes();
+        long maxThrottlingElementCount = flowControlSettings.getMaxOutstandingElementCount();
+        long maxThrottlingRequestByteCount = flowControlSettings.getMaxOutstandingRequestBytes();
         //  The maximum in flight element count is pretty high. Set the initial parallelism to 25%
         //  of the maximum and then work up or down. This reduction should reduce the
         // impacts of a bursty job, such as those found in Dataflow.
@@ -332,7 +332,7 @@ public BigtableBatchingCallSettings build() {
         }
         dynamicFlowControlSettings =
             DynamicFlowControlSettings.newBuilder()
-                .setLimitExceededBehavior(defaultSettings.getLimitExceededBehavior())
+                .setLimitExceededBehavior(flowControlSettings.getLimitExceededBehavior())
                 .setInitialOutstandingElementCount(initialElementCount)
                 .setMaxOutstandingElementCount(maxThrottlingElementCount)
                 .setMinOutstandingElementCount(minElementCount)
@@ -343,13 +343,15 @@ public BigtableBatchingCallSettings build() {
       } else {
         dynamicFlowControlSettings =
             DynamicFlowControlSettings.newBuilder()
-                .setLimitExceededBehavior(defaultSettings.getLimitExceededBehavior())
-                .setInitialOutstandingElementCount(defaultSettings.getMaxOutstandingElementCount())
-                .setMaxOutstandingElementCount(defaultSettings.getMaxOutstandingElementCount())
-                .setMinOutstandingElementCount(defaultSettings.getMaxOutstandingElementCount())
-                .setInitialOutstandingRequestBytes(defaultSettings.getMaxOutstandingRequestBytes())
-                .setMinOutstandingRequestBytes(defaultSettings.getMaxOutstandingRequestBytes())
-                .setMaxOutstandingRequestBytes(defaultSettings.getMaxOutstandingRequestBytes())
+                .setLimitExceededBehavior(flowControlSettings.getLimitExceededBehavior())
+                .setInitialOutstandingElementCount(
+                    flowControlSettings.getMaxOutstandingElementCount())
+                .setMaxOutstandingElementCount(flowControlSettings.getMaxOutstandingElementCount())
+                .setMinOutstandingElementCount(flowControlSettings.getMaxOutstandingElementCount())
+                .setInitialOutstandingRequestBytes(
+                    flowControlSettings.getMaxOutstandingRequestBytes())
+                .setMinOutstandingRequestBytes(flowControlSettings.getMaxOutstandingRequestBytes())
+                .setMaxOutstandingRequestBytes(flowControlSettings.getMaxOutstandingRequestBytes())
                 .build();
       }
       return new BigtableBatchingCallSettings(this);

google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStubSettings.java

@@ -959,7 +959,6 @@ public UnaryCallSettings.Builder<PingAndWarmRequest, Void> pingAndWarmSettings()
     public EnhancedBigtableStubSettings build() {
       Preconditions.checkState(projectId != null, "Project id must be set");
       Preconditions.checkState(instanceId != null, "Instance id must be set");
-
       if (isRefreshingChannel) {
         Preconditions.checkArgument(
             getTransportChannelProvider() instanceof InstantiatingGrpcChannelProvider,

google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/BigtableBatchingCallSettingsTest.java

@@ -176,8 +176,8 @@ public void testFlowControlMandatorySettings() {
             BatchingSettings.newBuilder()
                 .setFlowControlSettings(
                     FlowControlSettings.newBuilder()
-                        .setMaxOutstandingElementCount(10L)
-                        .setMaxOutstandingRequestBytes(10L)
+                        .setMaxOutstandingElementCount(11L)
+                        .setMaxOutstandingRequestBytes(11L)
                         .build())
                 .setElementCountThreshold(10L)
                 .setRequestByteThreshold(10L)

google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/metrics/BuiltinMetricsTracerTest.java

@@ -207,8 +207,8 @@ public void sendMessage(ReqT message) {
                 .setDelayThreshold(Duration.ofHours(1))
                 .setFlowControlSettings(
                     FlowControlSettings.newBuilder()
-                        .setMaxOutstandingElementCount((long) batchElementCount)
-                        .setMaxOutstandingRequestBytes(1000L)
+                        .setMaxOutstandingElementCount((long) batchElementCount + 1)
+                        .setMaxOutstandingRequestBytes(1001L)
                         .build())
                 .build());
     stubSettingsBuilder.setTracerFactory(mockFactory);
@@ -478,6 +478,9 @@ public void testBatchBlockingLatencies() throws InterruptedException {
         batcher.add(RowMutationEntry.create("key").setCell("f", "q", "v"));
       }
 
+      // closing the batcher to trigger the third flush
+      batcher.close();
+
       int expectedNumRequests = 6 / batchElementCount;
       ArgumentCaptor<Long> throttledTime = ArgumentCaptor.forClass(Long.class);
       verify(statsRecorderWrapper, timeout(1000).times(expectedNumRequests))

google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/metrics/MetricsTracerTest.java

@@ -20,6 +20,7 @@
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.when;
 
+import com.google.api.gax.batching.BatchResource;
 import com.google.api.gax.batching.Batcher;
 import com.google.api.gax.batching.BatcherImpl;
 import com.google.api.gax.batching.BatchingDescriptor;
@@ -422,6 +423,8 @@ public Object answer(InvocationOnMock invocation) {
   public void testBatchMutateRowsThrottledTime() throws Exception {
     FlowController flowController = Mockito.mock(FlowController.class);
     BatchingDescriptor batchingDescriptor = Mockito.mock(MutateRowsBatchingDescriptor.class);
+    when(batchingDescriptor.createResource(any())).thenReturn(new FakeBatchResource());
+    when(batchingDescriptor.createEmptyResource()).thenReturn(new FakeBatchResource());
     // Mock throttling
     final long throttled = 50;
     doAnswer(
@@ -486,4 +489,29 @@ public Object answer(InvocationOnMock invocation) {
   private static <T> StreamObserver<T> anyObserver(Class<T> returnType) {
     return (StreamObserver<T>) any(returnType);
   }
+
+  private class FakeBatchResource implements BatchResource {
+
+    FakeBatchResource() {}
+
+    @Override
+    public BatchResource add(BatchResource resource) {
+      return new FakeBatchResource();
+    }
+
+    @Override
+    public long getElementCount() {
+      return 1;
+    }
+
+    @Override
+    public long getByteCount() {
+      return 1;
+    }
+
+    @Override
+    public boolean shouldFlush(long maxElementThreshold, long maxBytesThreshold) {
+      return false;
+    }
+  }
 }