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// Copyright 2017 The Bazel 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.devtools.build.lib.rules.objc;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.lib.vfs.PathFragment;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link ObjcProvider}. */
@RunWith(JUnit4.class)
public class ObjcProtoProviderTest extends ObjcRuleTestCase {
@Before
public final void setup() throws Exception {
// Empty target just so artifacts can be created.
scratch.file("x/BUILD",
"objc_library(",
" name = 'x',",
")");
}
@Test
public void emptyProvider() {
ObjcProtoProvider empty = new ObjcProtoProvider.Builder().build();
assertThat(empty.getProtoGroups()).isEmpty();
}
@Test
public void onlyPropagatesProvider() throws Exception {
Artifact foo = getTestArtifact("foo");
ObjcProtoProvider onlyPropagates =
new ObjcProtoProvider.Builder()
.addProtoGroup(NestedSetBuilder.<Artifact>create(Order.NAIVE_LINK_ORDER, foo))
.build();
assertThat(Iterables.concat(onlyPropagates.getProtoGroups())).containsExactly(foo);
}
@Test
public void propagatesThroughDependers() throws Exception {
Artifact foo = getTestArtifact("foo");
Artifact bar = getTestArtifact("bar");
Artifact baz = getTestArtifact("baz");
Artifact header = getTestArtifact("protobuf");
PathFragment searchPath = header.getExecPath().getParentDirectory();
ObjcProtoProvider base1 =
new ObjcProtoProvider.Builder()
.addProtoGroup(NestedSetBuilder.<Artifact>create(Order.NAIVE_LINK_ORDER, foo))
.addPortableProtoFilters(NestedSetBuilder.<Artifact>create(Order.STABLE_ORDER, baz))
.addProtobufHeaders(NestedSetBuilder.<Artifact>create(Order.STABLE_ORDER, header))
.build();
ObjcProtoProvider base2 =
new ObjcProtoProvider.Builder()
.addProtoGroup(NestedSetBuilder.<Artifact>create(Order.NAIVE_LINK_ORDER, bar))
.addProtobufHeaderSearchPaths(
NestedSetBuilder.<PathFragment>create(Order.LINK_ORDER, searchPath))
.build();
ObjcProtoProvider depender =
new ObjcProtoProvider.Builder().addTransitive(ImmutableList.of(base1, base2)).build();
assertThat(Iterables.concat(depender.getProtoGroups())).containsExactly(foo, bar);
assertThat(depender.getPortableProtoFilters()).containsExactly(baz);
assertThat(depender.getProtobufHeaders()).containsExactly(header);
assertThat(depender.getProtobufHeaderSearchPaths()).containsExactly(searchPath);
}
private Artifact getTestArtifact(String name) throws Exception {
ConfiguredTarget target = getConfiguredTarget("//x:x");
return getBinArtifact(name, target);
}
}
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