feat: Implement toString for Bigtable*Settings (googleapis#488)

* test: Refactor tests to extract common setup logic

* test: minor fix

google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/admin/v2/BigtableInstanceAdminSettings.java

@@ -19,6 +19,7 @@
 
 import com.google.api.gax.core.CredentialsProvider;
 import com.google.cloud.bigtable.admin.v2.stub.BigtableInstanceAdminStubSettings;
+import com.google.common.base.MoreObjects;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Verify;
 import java.io.IOException;
@@ -74,6 +75,39 @@ public BigtableInstanceAdminStubSettings getStubSettings() {
     return stubSettings;
   }
 
+  @Override
+  public String toString() {
+    return MoreObjects.toStringHelper(this)
+        .add("projectId", projectId)
+        .add("createInstanceSettings", stubSettings.createInstanceSettings())
+        .add("createInstanceOperationSettings", stubSettings.createInstanceOperationSettings())
+        .add("getInstanceSettings", stubSettings.getInstanceSettings())
+        .add("listInstancesSettings", stubSettings.listInstancesSettings())
+        .add("partialUpdateInstanceSettings", stubSettings.partialUpdateInstanceSettings())
+        .add(
+            "partialUpdateInstanceOperationSettings",
+            stubSettings.partialUpdateInstanceOperationSettings())
+        .add("deleteInstanceSettings", stubSettings.deleteInstanceSettings())
+        .add("createClusterSettings", stubSettings.createClusterSettings())
+        .add("createClusterOperationSettings", stubSettings.createClusterOperationSettings())
+        .add("getClusterSettings", stubSettings.getClusterSettings())
+        .add("listClustersSettings", stubSettings.listClustersSettings())
+        .add("updateClusterSettings", stubSettings.updateClusterSettings())
+        .add("updateClusterOperationSettings", stubSettings.updateClusterOperationSettings())
+        .add("deleteClusterSettings", stubSettings.deleteClusterSettings())
+        .add("createAppProfileSettings", stubSettings.createAppProfileSettings())
+        .add("getAppProfileSettings", stubSettings.getAppProfileSettings())
+        .add("listAppProfilesSettings", stubSettings.listAppProfilesSettings())
+        .add("updateAppProfileSettings", stubSettings.updateAppProfileSettings())
+        .add("updateAppProfileOperationSettings", stubSettings.updateAppProfileOperationSettings())
+        .add("deleteAppProfileSettings", stubSettings.deleteAppProfileSettings())
+        .add("getIamPolicySettings", stubSettings.getIamPolicySettings())
+        .add("setIamPolicySettings", stubSettings.setIamPolicySettings())
+        .add("testIamPermissionsSettings", stubSettings.testIamPermissionsSettings())
+        .add("stubSettings", stubSettings)
+        .toString();
+  }
+
   /** Returns a builder containing all the values of this settings class. */
   public Builder toBuilder() {
     return new Builder(this);

google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/admin/v2/BigtableTableAdminSettings.java

@@ -20,6 +20,7 @@
 import com.google.api.gax.core.NoCredentialsProvider;
 import com.google.api.gax.grpc.InstantiatingGrpcChannelProvider;
 import com.google.cloud.bigtable.admin.v2.stub.BigtableTableAdminStubSettings;
+import com.google.common.base.MoreObjects;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
 import com.google.common.base.Verify;
@@ -85,6 +86,43 @@ public BigtableTableAdminStubSettings getStubSettings() {
     return stubSettings;
   }
 
+  @Override
+  public String toString() {
+    return MoreObjects.toStringHelper(this)
+        .add("projectId", projectId)
+        .add("instanceId", instanceId)
+        .add("createTableSettings", stubSettings.createTableSettings())
+        .add("createTableFromSnapshotSettings", stubSettings.createTableFromSnapshotSettings())
+        .add(
+            "createTableFromSnapshotOperationSettings",
+            stubSettings.createTableFromSnapshotOperationSettings())
+        .add("listTablesSettings", stubSettings.listTablesSettings())
+        .add("getTableSettings", stubSettings.getTableSettings())
+        .add("deleteTableSettings", stubSettings.deleteTableSettings())
+        .add("modifyColumnFamiliesSettings", stubSettings.modifyColumnFamiliesSettings())
+        .add("dropRowRangeSettings", stubSettings.dropRowRangeSettings())
+        .add("generateConsistencyTokenSettings", stubSettings.generateConsistencyTokenSettings())
+        .add("checkConsistencySettings", stubSettings.checkConsistencySettings())
+        .add("getIamPolicySettings", stubSettings.getIamPolicySettings())
+        .add("setIamPolicySettings", stubSettings.setIamPolicySettings())
+        .add("testIamPermissionsSettings", stubSettings.testIamPermissionsSettings())
+        .add("snapshotTableSettings", stubSettings.snapshotTableSettings())
+        .add("snapshotTableOperationSettings", stubSettings.snapshotTableOperationSettings())
+        .add("getSnapshotSettings", stubSettings.getSnapshotSettings())
+        .add("listSnapshotsSettings", stubSettings.listSnapshotsSettings())
+        .add("deleteSnapshotSettings", stubSettings.deleteSnapshotSettings())
+        .add("createBackupSettings", stubSettings.createBackupSettings())
+        .add("createBackupOperationSettings", stubSettings.createBackupOperationSettings())
+        .add("getBackupSettings", stubSettings.getBackupSettings())
+        .add("listBackupsSettings", stubSettings.listBackupsSettings())
+        .add("updateBackupSettings", stubSettings.updateBackupSettings())
+        .add("deleteBackupSettings", stubSettings.deleteBackupSettings())
+        .add("restoreTableSettings", stubSettings.restoreTableSettings())
+        .add("restoreTableOperationSettings", stubSettings.restoreTableOperationSettings())
+        .add("stubSettings", stubSettings)
+        .toString();
+  }
+
   /** Returns a builder containing all the values of this settings class. */
   public Builder toBuilder() {
     return new Builder(this);

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

@@ -24,6 +24,7 @@
 import com.google.cloud.bigtable.data.v2.models.Query;
 import com.google.cloud.bigtable.data.v2.models.Row;
 import com.google.cloud.bigtable.data.v2.stub.EnhancedBigtableStubSettings;
+import com.google.common.base.MoreObjects;
 import com.google.common.base.Strings;
 import io.grpc.ManagedChannelBuilder;
 import java.util.List;
@@ -215,6 +216,11 @@ public UnaryCallSettings<Query, Row> readRowSettings() {
     return stubSettings.readRowSettings();
   }
 
+  @Override
+  public String toString() {
+    return MoreObjects.toStringHelper(this).add("stubSettings", stubSettings).toString();
+  }
+
   /** Returns a builder containing all the values of this settings class. */
   public Builder toBuilder() {
     return new Builder(this);

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

@@ -40,6 +40,7 @@
 import com.google.cloud.bigtable.data.v2.models.RowMutation;
 import com.google.cloud.bigtable.data.v2.stub.mutaterows.MutateRowsBatchingDescriptor;
 import com.google.cloud.bigtable.data.v2.stub.readrows.ReadRowsBatchingDescriptor;
+import com.google.common.base.MoreObjects;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
@@ -811,4 +812,24 @@ public EnhancedBigtableStubSettings build() {
     }
     // </editor-fold>
   }
+
+  @Override
+  public String toString() {
+    return MoreObjects.toStringHelper(this)
+        .add("projectId", projectId)
+        .add("instanceId", instanceId)
+        .add("appProfileId", appProfileId)
+        .add("isRefreshingChannel", isRefreshingChannel)
+        .add("primedTableIds", primedTableIds)
+        .add("readRowsSettings", readRowsSettings)
+        .add("readRowSettings", readRowSettings)
+        .add("sampleRowKeysSettings", sampleRowKeysSettings)
+        .add("mutateRowSettings", mutateRowSettings)
+        .add("bulkMutateRowsSettings", bulkMutateRowsSettings)
+        .add("bulkReadRowsSettings", bulkReadRowsSettings)
+        .add("checkAndMutateRowSettings", checkAndMutateRowSettings)
+        .add("readModifyWriteRowSettings", readModifyWriteRowSettings)
+        .add("parent", super.toString())
+        .toString();
+  }
 }

google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/admin/v2/BigtableInstanceAdminSettingsTest.java

@@ -18,12 +18,15 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.api.gax.core.CredentialsProvider;
+import com.google.api.gax.retrying.RetrySettings;
 import com.google.api.gax.rpc.StatusCode.Code;
+import com.google.cloud.bigtable.admin.v2.stub.BigtableInstanceAdminStubSettings;
 import java.io.IOException;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 import org.mockito.Mockito;
+import org.threeten.bp.Duration;
 
 @RunWith(JUnit4.class)
 public class BigtableInstanceAdminSettingsTest {
@@ -95,4 +98,63 @@ public void testStubSettings() throws IOException {
                 .getRetryableCodes())
         .containsExactly(Code.INVALID_ARGUMENT);
   }
+
+  static final String[] SETTINGS_LIST = {
+    "createInstanceSettings",
+    "createInstanceOperationSettings",
+    "getInstanceSettings",
+    "listInstancesSettings",
+    "partialUpdateInstanceSettings",
+    "partialUpdateInstanceOperationSettings",
+    "deleteInstanceSettings",
+    "createClusterSettings",
+    "createClusterOperationSettings",
+    "getClusterSettings",
+    "listClustersSettings",
+    "updateClusterSettings",
+    "updateClusterOperationSettings",
+    "deleteClusterSettings",
+    "createAppProfileSettings",
+    "getAppProfileSettings",
+    "listAppProfilesSettings",
+    "updateAppProfileSettings",
+    "updateAppProfileOperationSettings",
+    "deleteAppProfileSettings",
+    "getIamPolicySettings",
+    "setIamPolicySettings",
+    "testIamPermissionsSettings",
+  };
+
+  @Test
+  public void testToString() throws IOException {
+    BigtableInstanceAdminSettings defaultSettings =
+        BigtableInstanceAdminSettings.newBuilder().setProjectId("our-project-212").build();
+
+    checkToString(defaultSettings);
+
+    BigtableInstanceAdminSettings.Builder builder = defaultSettings.toBuilder();
+    BigtableInstanceAdminStubSettings.Builder stubSettings =
+        builder.stubSettings().setEndpoint("example.com:1234");
+
+    stubSettings
+        .getInstanceSettings()
+        .setRetrySettings(
+            RetrySettings.newBuilder().setTotalTimeout(Duration.ofMinutes(812)).build());
+
+    BigtableInstanceAdminSettings settings = builder.build();
+    checkToString(settings);
+    assertThat(settings.toString()).contains("endpoint=example.com:1234");
+    assertThat(settings.toString()).contains("totalTimeout=PT13H32M");
+  }
+
+  void checkToString(BigtableInstanceAdminSettings settings) {
+    String projectId = settings.getProjectId();
+    String toString = settings.toString();
+    assertThat(toString).isEqualTo(settings.toString()); // no variety
+    assertThat(toString).startsWith("BigtableInstanceAdminSettings{projectId=" + projectId);
+    for (String subSettings : SETTINGS_LIST) {
+      assertThat(toString).contains(subSettings + "=");
+    }
+    assertThat(toString.contains(settings.getStubSettings().toString()));
+  }
 }

google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/admin/v2/BigtableTableAdminSettingsTest.java

@@ -18,12 +18,17 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.api.gax.core.CredentialsProvider;
+import com.google.api.gax.retrying.RetrySettings;
 import com.google.api.gax.rpc.StatusCode.Code;
+import com.google.cloud.bigtable.admin.v2.stub.BigtableTableAdminStubSettings;
 import java.io.IOException;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 import org.mockito.Mockito;
+import org.threeten.bp.Duration;
 
 @RunWith(JUnit4.class)
 public class BigtableTableAdminSettingsTest {
@@ -97,4 +102,83 @@ public void testStubSettings() throws IOException {
                 .getRetryableCodes())
         .containsExactly(Code.INVALID_ARGUMENT);
   }
+
+  static final String[] SETTINGS_LIST = {
+    "createTableSettings",
+    "createTableFromSnapshotSettings",
+    "createTableFromSnapshotOperationSettings",
+    "listTablesSettings",
+    "getTableSettings",
+    "deleteTableSettings",
+    "modifyColumnFamiliesSettings",
+    "dropRowRangeSettings",
+    "generateConsistencyTokenSettings",
+    "checkConsistencySettings",
+    "getIamPolicySettings",
+    "setIamPolicySettings",
+    "testIamPermissionsSettings",
+    "snapshotTableSettings",
+    "snapshotTableOperationSettings",
+    "getSnapshotSettings",
+    "listSnapshotsSettings",
+    "deleteSnapshotSettings",
+    "createBackupSettings",
+    "createBackupOperationSettings",
+    "getBackupSettings",
+    "listBackupsSettings",
+    "updateBackupSettings",
+    "deleteBackupSettings",
+    "restoreTableSettings",
+    "restoreTableOperationSettings",
+  };
+
+  @Test
+  public void testToString() throws IOException {
+    BigtableTableAdminSettings defaultSettings =
+        BigtableTableAdminSettings.newBuilder()
+            .setProjectId("our-project-85")
+            .setInstanceId("our-instance-06")
+            .build();
+
+    checkToString(defaultSettings);
+
+    BigtableTableAdminSettings.Builder builder = defaultSettings.toBuilder();
+    BigtableTableAdminStubSettings.Builder stubSettings =
+        builder.stubSettings().setEndpoint("example.com:1234");
+
+    stubSettings
+        .getBackupSettings()
+        .setRetrySettings(
+            RetrySettings.newBuilder().setTotalTimeout(Duration.ofMinutes(812)).build());
+
+    BigtableTableAdminSettings settings = builder.build();
+    checkToString(settings);
+    assertThat(defaultSettings.toString()).doesNotContain("endpoint=example.com:1234");
+    assertThat(settings.toString()).contains("endpoint=example.com:1234");
+    assertThat(defaultSettings.toString()).doesNotContain("totalTimeout=PT13H32M");
+    assertThat(settings.toString()).contains("totalTimeout=PT13H32M");
+
+    int nonStaticFields = 0;
+    for (Field field : BigtableTableAdminStubSettings.class.getDeclaredFields()) {
+      if (!Modifier.isStatic(field.getModifiers())) {
+        nonStaticFields++;
+      }
+    }
+    // failure will signal about adding a new settings property
+    assertThat(SETTINGS_LIST.length).isEqualTo(nonStaticFields);
+  }
+
+  void checkToString(BigtableTableAdminSettings settings) {
+    String projectId = settings.getProjectId();
+    String instanceId = settings.getInstanceId();
+    String toString = settings.toString();
+    assertThat(toString).isEqualTo(settings.toString()); // no variety
+    assertThat(toString)
+        .startsWith(
+            "BigtableTableAdminSettings{projectId=" + projectId + ", instanceId=" + instanceId);
+    for (String subSettings : SETTINGS_LIST) {
+      assertThat(toString).contains(subSettings + "=");
+    }
+    assertThat(toString.contains(settings.getStubSettings().toString()));
+  }
 }

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

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.cloud.bigtable.data.v2;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.cloud.bigtable.data.v2.stub.EnhancedBigtableStubSettings;
+import org.junit.Test;
+
+public class BigtableDataSettingsTest {
+
+  @Test
+  public void testToString() {
+    BigtableDataSettings settings =
+        BigtableDataSettings.newBuilder()
+            .setProjectId("our-project-2-12")
+            .setInstanceId("our-instance-85")
+            .setAppProfileId("our-appProfile-06")
+            .build();
+    EnhancedBigtableStubSettings stubSettings = settings.getStubSettings();
+    assertThat(settings.toString())
+        .isEqualTo("BigtableDataSettings{stubSettings=" + stubSettings.toString() + "}");
+  }
+}