100 lines
3.6 KiB
Java
100 lines
3.6 KiB
Java
/*
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* Copyright (C) 2018 Google Inc.
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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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*/
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package com.google.copybara;
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import static com.google.common.truth.Truth.assertThat;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableListMultimap;
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import com.google.common.collect.ImmutableMap;
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import com.google.copybara.Origin.Reader.ChangesResponse;
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import com.google.copybara.authoring.Author;
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import com.google.copybara.testing.DummyRevision;
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import java.time.ZoneId;
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import java.time.ZonedDateTime;
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import java.util.Arrays;
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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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@RunWith(JUnit4.class)
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public class ChangesResponseTest {
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private static final Author AUTHOR = new Author("foo", "foo@example.com");
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@Test
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public void testConditionalChanges() {
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ChangesResponse<DummyRevision> response = ChangesResponse
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.forChangesWithMerges(ImmutableList.of(
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fakeChange("e"),
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fakeChange("d", "e"),
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fakeChange("b", "e"),
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fakeChange("c", "d"),
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fakeChange("a", "b", "c")));
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assertThat(changesToStringList(response)).containsExactly("e", "d", "b", "c", "a").inOrder();
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ImmutableMap<String, String> conditionalChanges = conditionalChangesToStringMap(response);
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assertThat(conditionalChanges).containsExactly(
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"c", "a",
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"d", "a");
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}
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/**
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* Case that happens when a change is parent of two first-parent changes. Should chose the oldest
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* one
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*/
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@Test
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public void testConditionalChangesTwoRoots() {
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ChangesResponse<DummyRevision> response = ChangesResponse
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.forChangesWithMerges(ImmutableList.of(
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fakeChange("e", "f"), // 'f' not present as change just as parent
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fakeChange("d", "e"),
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fakeChange("c", "f", "d"),
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fakeChange("b", "d"),
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fakeChange("a", "c", "b")));
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assertThat(changesToStringList(response)).isEqualTo(ImmutableList.of("e", "d", "c", "b", "a"));
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ImmutableMap<String, String> conditionalChanges = conditionalChangesToStringMap(response);
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assertThat(conditionalChanges).containsExactly(
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"b", "a",
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"d", "c",
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"e", "c");
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}
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private ImmutableMap<String, String> conditionalChangesToStringMap(
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ChangesResponse<DummyRevision> response) {
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return response.getConditionalChanges().entrySet().stream()
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.collect(ImmutableMap
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.toImmutableMap(e -> e.getKey().getRevision().asString(),
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e -> e.getValue().getRevision().asString()));
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}
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private ImmutableList<String> changesToStringList(ChangesResponse<DummyRevision> response) {
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return response.getChanges().stream()
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.map(e1 -> e1.getRevision().asString())
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.collect(ImmutableList.toImmutableList());
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}
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private Change<DummyRevision> fakeChange(String rev, String... parents) {
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return new Change<>(new DummyRevision(rev), AUTHOR, "change " + rev,
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ZonedDateTime.now(ZoneId.systemDefault()),
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ImmutableListMultimap.of(), /*changeFiles=*/null, parents.length > 1,
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Arrays.stream(parents).map(DummyRevision::new).collect(ImmutableList.toImmutableList()));
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}
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}
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