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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 com.google.protobuf.FieldMask;
import protobuf_unittest.UnittestProto.NestedTestAllTypes;
import protobuf_unittest.UnittestProto.TestAllTypes;
import junit.framework.TestCase;
/** Unit tests for {@link FieldMaskUtil}. */
public class FieldMaskUtilTest extends TestCase {
public void testIsValid() throws Exception {
assertTrue(FieldMaskUtil.isValid(NestedTestAllTypes.class, "payload"));
assertFalse(FieldMaskUtil.isValid(NestedTestAllTypes.class, "nonexist"));
assertTrue(FieldMaskUtil.isValid(
NestedTestAllTypes.class, "payload.optional_int32"));
assertTrue(FieldMaskUtil.isValid(
NestedTestAllTypes.class, "payload.repeated_int32"));
assertTrue(FieldMaskUtil.isValid(
NestedTestAllTypes.class, "payload.optional_nested_message"));
assertTrue(FieldMaskUtil.isValid(
NestedTestAllTypes.class, "payload.repeated_nested_message"));
assertFalse(FieldMaskUtil.isValid(
NestedTestAllTypes.class, "payload.nonexist"));
assertTrue(FieldMaskUtil.isValid(
NestedTestAllTypes.class, FieldMaskUtil.fromString("payload")));
assertFalse(FieldMaskUtil.isValid(
NestedTestAllTypes.class, FieldMaskUtil.fromString("nonexist")));
assertFalse(FieldMaskUtil.isValid(
NestedTestAllTypes.class, FieldMaskUtil.fromString("payload,nonexist")));
assertTrue(FieldMaskUtil.isValid(NestedTestAllTypes.getDescriptor(), "payload"));
assertFalse(FieldMaskUtil.isValid(NestedTestAllTypes.getDescriptor(), "nonexist"));
assertTrue(FieldMaskUtil.isValid(
NestedTestAllTypes.getDescriptor(), FieldMaskUtil.fromString("payload")));
assertFalse(FieldMaskUtil.isValid(
NestedTestAllTypes.getDescriptor(), FieldMaskUtil.fromString("nonexist")));
assertTrue(FieldMaskUtil.isValid(
NestedTestAllTypes.class, "payload.optional_nested_message.bb"));
// Repeated fields cannot have sub-paths.
assertFalse(FieldMaskUtil.isValid(
NestedTestAllTypes.class, "payload.repeated_nested_message.bb"));
// Non-message fields cannot have sub-paths.
assertFalse(FieldMaskUtil.isValid(
NestedTestAllTypes.class, "payload.optional_int32.bb"));
}
public void testToString() throws Exception {
assertEquals("", FieldMaskUtil.toString(FieldMask.getDefaultInstance()));
FieldMask mask = FieldMask.newBuilder().addPaths("foo").build();
assertEquals("foo", FieldMaskUtil.toString(mask));
mask = FieldMask.newBuilder().addPaths("foo").addPaths("bar").build();
assertEquals("foo,bar", FieldMaskUtil.toString(mask));
// Empty field paths are ignored.
mask = FieldMask.newBuilder().addPaths("").addPaths("foo").addPaths("").
addPaths("bar").addPaths("").build();
assertEquals("foo,bar", FieldMaskUtil.toString(mask));
}
public void testFromString() throws Exception {
FieldMask mask = FieldMaskUtil.fromString("");
assertEquals(0, mask.getPathsCount());
mask = FieldMaskUtil.fromString("foo");
assertEquals(1, mask.getPathsCount());
assertEquals("foo", mask.getPaths(0));
mask = FieldMaskUtil.fromString("foo,bar.baz");
assertEquals(2, mask.getPathsCount());
assertEquals("foo", mask.getPaths(0));
assertEquals("bar.baz", mask.getPaths(1));
// Empty field paths are ignore.
mask = FieldMaskUtil.fromString(",foo,,bar,");
assertEquals(2, mask.getPathsCount());
assertEquals("foo", mask.getPaths(0));
assertEquals("bar", mask.getPaths(1));
// Check whether the field paths are valid if a class parameter is provided.
mask = FieldMaskUtil.fromString(NestedTestAllTypes.class, ",payload");
try {
mask = FieldMaskUtil.fromString(
NestedTestAllTypes.class, "payload,nonexist");
fail("Exception is expected.");
} catch (IllegalArgumentException e) {
// Expected.
}
}
public void testFromFieldNumbers() throws Exception {
FieldMask mask = FieldMaskUtil.fromFieldNumbers(TestAllTypes.class);
assertEquals(0, mask.getPathsCount());
mask =
FieldMaskUtil.fromFieldNumbers(
TestAllTypes.class, TestAllTypes.OPTIONAL_INT32_FIELD_NUMBER);
assertEquals(1, mask.getPathsCount());
assertEquals("optional_int32", mask.getPaths(0));
mask =
FieldMaskUtil.fromFieldNumbers(
TestAllTypes.class,
TestAllTypes.OPTIONAL_INT32_FIELD_NUMBER,
TestAllTypes.OPTIONAL_INT64_FIELD_NUMBER);
assertEquals(2, mask.getPathsCount());
assertEquals("optional_int32", mask.getPaths(0));
assertEquals("optional_int64", mask.getPaths(1));
try {
int invalidFieldNumber = 1000;
mask = FieldMaskUtil.fromFieldNumbers(TestAllTypes.class, invalidFieldNumber);
fail("Exception is expected.");
} catch (IllegalArgumentException expected) {
}
}
public void testUnion() throws Exception {
// Only test a simple case here and expect
// {@link FieldMaskTreeTest#testAddFieldPath} to cover all scenarios.
FieldMask mask1 = FieldMaskUtil.fromString("foo,bar.baz,bar.quz");
FieldMask mask2 = FieldMaskUtil.fromString("foo.bar,bar");
FieldMask result = FieldMaskUtil.union(mask1, mask2);
assertEquals("bar,foo", FieldMaskUtil.toString(result));
}
public void testUnion_usingVarArgs() throws Exception {
FieldMask mask1 = FieldMaskUtil.fromString("foo");
FieldMask mask2 = FieldMaskUtil.fromString("foo.bar,bar.quz");
FieldMask mask3 = FieldMaskUtil.fromString("bar.quz");
FieldMask mask4 = FieldMaskUtil.fromString("bar");
FieldMask result = FieldMaskUtil.union(mask1, mask2, mask3, mask4);
assertEquals("bar,foo", FieldMaskUtil.toString(result));
}
public void testIntersection() throws Exception {
// Only test a simple case here and expect
// {@link FieldMaskTreeTest#testIntersectFieldPath} to cover all scenarios.
FieldMask mask1 = FieldMaskUtil.fromString("foo,bar.baz,bar.quz");
FieldMask mask2 = FieldMaskUtil.fromString("foo.bar,bar");
FieldMask result = FieldMaskUtil.intersection(mask1, mask2);
assertEquals("bar.baz,bar.quz,foo.bar", FieldMaskUtil.toString(result));
}
public void testMerge() throws Exception {
// Only test a simple case here and expect
// {@link FieldMaskTreeTest#testMerge} to cover all scenarios.
NestedTestAllTypes source = NestedTestAllTypes.newBuilder()
.setPayload(TestAllTypes.newBuilder().setOptionalInt32(1234))
.build();
NestedTestAllTypes.Builder builder = NestedTestAllTypes.newBuilder();
FieldMaskUtil.merge(FieldMaskUtil.fromString("payload"), source, builder);
assertEquals(1234, builder.getPayload().getOptionalInt32());
}
}
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