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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package com.google.protobuf.util;
import protobuf_unittest.UnittestProto.NestedTestAllTypes;
import protobuf_unittest.UnittestProto.TestAllTypes;
import protobuf_unittest.UnittestProto.TestAllTypes.NestedMessage;
import junit.framework.TestCase;
public class FieldMaskTreeTest extends TestCase {
public void testAddFieldPath() throws Exception {
FieldMaskTree tree = new FieldMaskTree();
assertEquals("", tree.toString());
tree.addFieldPath("");
assertEquals("", tree.toString());
// New branch.
tree.addFieldPath("foo");
assertEquals("foo", tree.toString());
// Redundant path.
tree.addFieldPath("foo");
assertEquals("foo", tree.toString());
// New branch.
tree.addFieldPath("bar.baz");
assertEquals("bar.baz,foo", tree.toString());
// Redundant sub-path.
tree.addFieldPath("foo.bar");
assertEquals("bar.baz,foo", tree.toString());
// New branch from a non-root node.
tree.addFieldPath("bar.quz");
assertEquals("bar.baz,bar.quz,foo", tree.toString());
// A path that matches several existing sub-paths.
tree.addFieldPath("bar");
assertEquals("bar,foo", tree.toString());
}
public void testMergeFromFieldMask() throws Exception {
FieldMaskTree tree = new FieldMaskTree(FieldMaskUtil.fromString("foo,bar.baz,bar.quz"));
assertEquals("bar.baz,bar.quz,foo", tree.toString());
tree.mergeFromFieldMask(FieldMaskUtil.fromString("foo.bar,bar"));
assertEquals("bar,foo", tree.toString());
}
public void testIntersectFieldPath() throws Exception {
FieldMaskTree tree = new FieldMaskTree(FieldMaskUtil.fromString("foo,bar.baz,bar.quz"));
FieldMaskTree result = new FieldMaskTree();
// Empty path.
tree.intersectFieldPath("", result);
assertEquals("", result.toString());
// Non-exist path.
tree.intersectFieldPath("quz", result);
assertEquals("", result.toString());
// Sub-path of an existing leaf.
tree.intersectFieldPath("foo.bar", result);
assertEquals("foo.bar", result.toString());
// Match an existing leaf node.
tree.intersectFieldPath("foo", result);
assertEquals("foo", result.toString());
// Non-exist path.
tree.intersectFieldPath("bar.foo", result);
assertEquals("foo", result.toString());
// Match a non-leaf node.
tree.intersectFieldPath("bar", result);
assertEquals("bar.baz,bar.quz,foo", result.toString());
}
public void testMerge() throws Exception {
TestAllTypes value =
TestAllTypes.newBuilder()
.setOptionalInt32(1234)
.setOptionalNestedMessage(NestedMessage.newBuilder().setBb(5678))
.addRepeatedInt32(4321)
.addRepeatedNestedMessage(NestedMessage.newBuilder().setBb(8765))
.build();
NestedTestAllTypes source =
NestedTestAllTypes.newBuilder()
.setPayload(value)
.setChild(NestedTestAllTypes.newBuilder().setPayload(value))
.build();
// Now we have a message source with the following structure:
// [root] -+- payload -+- optional_int32
// | +- optional_nested_message
// | +- repeated_int32
// | +- repeated_nested_message
// |
// +- child --- payload -+- optional_int32
// +- optional_nested_message
// +- repeated_int32
// +- repeated_nested_message
FieldMaskUtil.MergeOptions options = new FieldMaskUtil.MergeOptions();
// Test merging each individual field.
NestedTestAllTypes.Builder builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree().addFieldPath("payload.optional_int32").merge(source, builder, options);
NestedTestAllTypes.Builder expected = NestedTestAllTypes.newBuilder();
expected.getPayloadBuilder().setOptionalInt32(1234);
assertEquals(expected.build(), builder.build());
builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree()
.addFieldPath("payload.optional_nested_message")
.merge(source, builder, options);
expected = NestedTestAllTypes.newBuilder();
expected.getPayloadBuilder().setOptionalNestedMessage(NestedMessage.newBuilder().setBb(5678));
assertEquals(expected.build(), builder.build());
builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree().addFieldPath("payload.repeated_int32").merge(source, builder, options);
expected = NestedTestAllTypes.newBuilder();
expected.getPayloadBuilder().addRepeatedInt32(4321);
assertEquals(expected.build(), builder.build());
builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree()
.addFieldPath("payload.repeated_nested_message")
.merge(source, builder, options);
expected = NestedTestAllTypes.newBuilder();
expected.getPayloadBuilder().addRepeatedNestedMessage(NestedMessage.newBuilder().setBb(8765));
assertEquals(expected.build(), builder.build());
builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree()
.addFieldPath("child.payload.optional_int32")
.merge(source, builder, options);
expected = NestedTestAllTypes.newBuilder();
expected.getChildBuilder().getPayloadBuilder().setOptionalInt32(1234);
assertEquals(expected.build(), builder.build());
builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree()
.addFieldPath("child.payload.optional_nested_message")
.merge(source, builder, options);
expected = NestedTestAllTypes.newBuilder();
expected
.getChildBuilder()
.getPayloadBuilder()
.setOptionalNestedMessage(NestedMessage.newBuilder().setBb(5678));
assertEquals(expected.build(), builder.build());
builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree()
.addFieldPath("child.payload.repeated_int32")
.merge(source, builder, options);
expected = NestedTestAllTypes.newBuilder();
expected.getChildBuilder().getPayloadBuilder().addRepeatedInt32(4321);
assertEquals(expected.build(), builder.build());
builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree()
.addFieldPath("child.payload.repeated_nested_message")
.merge(source, builder, options);
expected = NestedTestAllTypes.newBuilder();
expected
.getChildBuilder()
.getPayloadBuilder()
.addRepeatedNestedMessage(NestedMessage.newBuilder().setBb(8765));
assertEquals(expected.build(), builder.build());
// Test merging all fields.
builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree()
.addFieldPath("child")
.addFieldPath("payload")
.merge(source, builder, options);
assertEquals(source, builder.build());
// Test repeated options.
builder = NestedTestAllTypes.newBuilder();
builder.getPayloadBuilder().addRepeatedInt32(1000);
new FieldMaskTree().addFieldPath("payload.repeated_int32").merge(source, builder, options);
// Default behavior is to append repeated fields.
assertEquals(2, builder.getPayload().getRepeatedInt32Count());
assertEquals(1000, builder.getPayload().getRepeatedInt32(0));
assertEquals(4321, builder.getPayload().getRepeatedInt32(1));
// Change to replace repeated fields.
options.setReplaceRepeatedFields(true);
new FieldMaskTree().addFieldPath("payload.repeated_int32").merge(source, builder, options);
assertEquals(1, builder.getPayload().getRepeatedInt32Count());
assertEquals(4321, builder.getPayload().getRepeatedInt32(0));
// Test message options.
builder = NestedTestAllTypes.newBuilder();
builder.getPayloadBuilder().setOptionalInt32(1000);
builder.getPayloadBuilder().setOptionalUint32(2000);
new FieldMaskTree().addFieldPath("payload").merge(source, builder, options);
// Default behavior is to merge message fields.
assertEquals(1234, builder.getPayload().getOptionalInt32());
assertEquals(2000, builder.getPayload().getOptionalUint32());
// Test merging unset message fields.
NestedTestAllTypes clearedSource = source.toBuilder().clearPayload().build();
builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree().addFieldPath("payload").merge(clearedSource, builder, options);
assertEquals(false, builder.hasPayload());
// Skip a message field if they are unset in both source and target.
builder = NestedTestAllTypes.newBuilder();
new FieldMaskTree()
.addFieldPath("payload.optional_int32")
.merge(clearedSource, builder, options);
assertEquals(false, builder.hasPayload());
// Change to replace message fields.
options.setReplaceMessageFields(true);
builder = NestedTestAllTypes.newBuilder();
builder.getPayloadBuilder().setOptionalInt32(1000);
builder.getPayloadBuilder().setOptionalUint32(2000);
new FieldMaskTree().addFieldPath("payload").merge(source, builder, options);
assertEquals(1234, builder.getPayload().getOptionalInt32());
assertEquals(0, builder.getPayload().getOptionalUint32());
// Test merging unset message fields.
builder = NestedTestAllTypes.newBuilder();
builder.getPayloadBuilder().setOptionalInt32(1000);
builder.getPayloadBuilder().setOptionalUint32(2000);
new FieldMaskTree().addFieldPath("payload").merge(clearedSource, builder, options);
assertEquals(false, builder.hasPayload());
// Test merging unset primitive fields.
builder = source.toBuilder();
builder.getPayloadBuilder().clearOptionalInt32();
NestedTestAllTypes sourceWithPayloadInt32Unset = builder.build();
builder = source.toBuilder();
new FieldMaskTree()
.addFieldPath("payload.optional_int32")
.merge(sourceWithPayloadInt32Unset, builder, options);
assertEquals(true, builder.getPayload().hasOptionalInt32());
assertEquals(0, builder.getPayload().getOptionalInt32());
// Change to clear unset primitive fields.
options.setReplacePrimitiveFields(true);
builder = source.toBuilder();
new FieldMaskTree()
.addFieldPath("payload.optional_int32")
.merge(sourceWithPayloadInt32Unset, builder, options);
assertEquals(true, builder.hasPayload());
assertEquals(false, builder.getPayload().hasOptionalInt32());
}
}
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