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107 lines
3.5 KiB
Java
107 lines
3.5 KiB
Java
// Copyright 2016 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.util;
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import static com.google.common.truth.Truth.assertThat;
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import static google.registry.util.DiffUtils.prettyPrintEntityDeepDiff;
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import static google.registry.util.DiffUtils.prettyPrintSetDiff;
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import com.google.common.collect.ImmutableSet;
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import java.util.HashMap;
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import java.util.Map;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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/** Unit tests for {@link DiffUtils} */
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@RunWith(JUnit4.class)
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public class DiffUtilsTest {
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@Test
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public void test_prettyPrintSetDiff_emptySets() {
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assertThat(prettyPrintSetDiff(ImmutableSet.of(), ImmutableSet.of()))
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.isEqualTo("NO DIFFERENCES");
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}
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@Test
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public void test_prettyPrintSetDiff_noDifferences() {
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assertThat(prettyPrintSetDiff(ImmutableSet.of("c", "x", "m"), ImmutableSet.of("m", "x", "c")))
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.isEqualTo("NO DIFFERENCES");
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}
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@Test
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public void test_prettyPrintSetDiff_addedElements() {
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assertThat(prettyPrintSetDiff(ImmutableSet.of("z"), ImmutableSet.of("a", "b", "z")))
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.isEqualTo("\n ADDED: [a, b]\n FINAL CONTENTS: [a, b, z]");
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}
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@Test
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public void test_prettyPrintSetDiff_removedElements() {
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assertThat(prettyPrintSetDiff(ImmutableSet.of("x", "y", "z"), ImmutableSet.of("y")))
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.isEqualTo("\n REMOVED: [x, z]\n FINAL CONTENTS: [y]");
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}
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@Test
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public void test_prettyPrintSetDiff_addedAndRemovedElements() {
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assertThat(prettyPrintSetDiff(
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ImmutableSet.of("a", "b", "c"), ImmutableSet.of("a", "y", "z")))
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.isEqualTo("\n ADDED: [y, z]\n REMOVED: [b, c]\n FINAL CONTENTS: [a, y, z]");
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}
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@Test
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public void test_emptyToNullCollection_doesntDisplay() {
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Map<String, Object> mapA = new HashMap<String, Object>();
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mapA.put("a", "jim");
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mapA.put("b", null);
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Map<String, Object> mapB = new HashMap<String, Object>();
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mapB.put("a", "tim");
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mapB.put("b", ImmutableSet.of());
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// This ensures that it is not outputting a diff of [b -> [null, []].
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assertThat(prettyPrintEntityDeepDiff(mapA, mapB)).isEqualTo("a -> [jim, tim]\n");
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}
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@Test
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public void test_prettyPrintSetDiff_addedAndRemovedElements_objects() {
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DummyObject a = DummyObject.create("a");
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DummyObject b = DummyObject.create("b");
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DummyObject c = DummyObject.create("c");
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assertThat(prettyPrintSetDiff(
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ImmutableSet.of(a, b), ImmutableSet.of(a, c)))
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.isEqualTo("\n"
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+ " ADDED:\n"
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+ " {c}\n"
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+ " REMOVED:\n"
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+ " {b}\n"
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+ " FINAL CONTENTS:\n"
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+ " {a},\n"
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+ " {c}");
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}
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private static class DummyObject {
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public String id;
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public static DummyObject create(String id) {
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DummyObject instance = new DummyObject();
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instance.id = id;
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return instance;
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}
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@Override
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public String toString() {
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return String.format("{%s}", id);
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}
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}
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}
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