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Implement toplevel class that reads in two database backups and displays diffs. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=168592124
80 lines
2.8 KiB
Java
80 lines
2.8 KiB
Java
// Copyright 2017 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.tools;
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import static com.google.common.truth.Truth.assertThat;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import google.registry.testing.AppEngineRule;
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import google.registry.tools.LevelDbFileBuilder.Property;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.PrintStream;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.rules.TemporaryFolder;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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@RunWith(JUnit4.class)
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public class CompareDbBackupsTest {
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private static final int BASE_ID = 1001;
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// Capture standard output.
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private final ByteArrayOutputStream stdout = new ByteArrayOutputStream();
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@Rule public final TemporaryFolder tempFs = new TemporaryFolder();
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@Rule public final AppEngineRule appEngine = AppEngineRule.builder().withDatastore().build();
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@Test
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public void testCommand() throws Exception {
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// Create two directories corresponding to data dumps.
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File dump1 = tempFs.newFolder("dump1");
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LevelDbFileBuilder builder = new LevelDbFileBuilder(new File(dump1, "data1"));
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builder.addEntityProto(
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BASE_ID,
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Property.create("eeny", 100L),
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Property.create("meeny", 200L),
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Property.create("miney", 300L));
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builder.addEntityProto(
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BASE_ID + 1,
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Property.create("moxey", 100L),
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Property.create("minney", 200L),
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Property.create("motz", 300L));
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builder.build();
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File dump2 = tempFs.newFolder("dump2");
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builder = new LevelDbFileBuilder(new File(dump2, "data2"));
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builder.addEntityProto(
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BASE_ID + 1,
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Property.create("moxey", 100L),
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Property.create("minney", 200L),
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Property.create("motz", 300L));
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builder.addEntityProto(
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BASE_ID + 2,
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Property.create("blutzy", 100L),
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Property.create("fishey", 200L),
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Property.create("strutz", 300L));
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builder.build();
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System.setOut(new PrintStream(stdout));
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CompareDbBackups.main(new String[] {dump1.getCanonicalPath(), dump2.getCanonicalPath()});
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String output = new String(stdout.toByteArray(), UTF_8);
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assertThat(output)
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.containsMatch("(?s)1 records were removed.*eeny.*1 records were added.*blutzy");
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}
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}
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