mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

javatests/google/registry/util/DiffUtilsTest.java

@@ -0,0 +1,93 @@
+// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
+//
+// 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
+//
+//     http://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.domain.registry.util;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.domain.registry.util.DiffUtils.prettyPrintSetDiff;
+
+import com.google.common.collect.ImmutableSet;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link DiffUtils} */
+@RunWith(JUnit4.class)
+public class DiffUtilsTest {
+
+  @Test
+  public void test_prettyPrintSetDiff_emptySets() {
+    assertThat(prettyPrintSetDiff(ImmutableSet.of(), ImmutableSet.of()))
+        .isEqualTo("NO DIFFERENCES");
+  }
+
+  @Test
+  public void test_prettyPrintSetDiff_noDifferences() {
+    assertThat(prettyPrintSetDiff(ImmutableSet.of("c", "x", "m"), ImmutableSet.of("m", "x", "c")))
+        .isEqualTo("NO DIFFERENCES");
+  }
+
+  @Test
+  public void test_prettyPrintSetDiff_addedElements() {
+    assertThat(prettyPrintSetDiff(ImmutableSet.of("z"), ImmutableSet.of("a", "b", "z")))
+        .isEqualTo("\n    ADDED: [a, b]\n    FINAL CONTENTS: [a, b, z]");
+  }
+
+  @Test
+  public void test_prettyPrintSetDiff_removedElements() {
+    assertThat(prettyPrintSetDiff(ImmutableSet.of("x", "y", "z"), ImmutableSet.of("y")))
+        .isEqualTo("\n    REMOVED: [x, z]\n    FINAL CONTENTS: [y]");
+  }
+
+  @Test
+  public void test_prettyPrintSetDiff_addedAndRemovedElements() {
+    assertThat(prettyPrintSetDiff(
+        ImmutableSet.of("a", "b", "c"), ImmutableSet.of("a", "y", "z")))
+        .isEqualTo("\n    ADDED: [y, z]\n    REMOVED: [b, c]\n    FINAL CONTENTS: [a, y, z]");
+  }
+
+  @Test
+  public void test_prettyPrintSetDiff_addedAndRemovedElements_objects() {
+    DummyObject a = DummyObject.create("a");
+    DummyObject b = DummyObject.create("b");
+    DummyObject c = DummyObject.create("c");
+
+    assertThat(prettyPrintSetDiff(
+        ImmutableSet.of(a, b), ImmutableSet.of(a, c)))
+        .isEqualTo("\n"
+            + "    ADDED:\n"
+            + "        {c}\n"
+            + "    REMOVED:\n"
+            + "        {b}\n"
+            + "    FINAL CONTENTS:\n"
+            + "        {a},\n"
+            + "        {c}");
+  }
+
+  private static class DummyObject {
+    public String id;
+
+    public static DummyObject create(String id) {
+      DummyObject instance = new DummyObject();
+      instance.id = id;
+      return instance;
+    }
+
+    @Override
+    public String toString() {
+      return String.format("{%s}", id);
+    }
+  }
+}