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// Copyright 2016 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.analysis;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.packages.Attribute;
import com.google.devtools.build.lib.packages.BuildType;
import com.google.devtools.build.lib.packages.Rule;
import com.google.devtools.build.lib.util.FileTypeSet;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Unit tests for {@link AspectAwareAttributeMapper}.
*/
@RunWith(JUnit4.class)
public class AspectAwareAttributeMapperTest extends BuildViewTestCase {
private Rule rule;
private ImmutableMap<String, Attribute> aspectAttributes;
private AspectAwareAttributeMapper mapper;
@Before
public final void createMapper() throws Exception {
RuleConfiguredTarget ct = (RuleConfiguredTarget) scratchConfiguredTarget("foo", "myrule",
"cc_binary(",
" name = 'myrule',",
" srcs = [':a.cc'],",
" linkstatic = select({'//conditions:default': 1}))");
rule = ct.getTarget();
Attribute aspectAttr = new Attribute.Builder<Label>("fromaspect", BuildType.LABEL)
.allowedFileTypes(FileTypeSet.ANY_FILE)
.build();
aspectAttributes = ImmutableMap.<String, Attribute>of(aspectAttr.getName(), aspectAttr);
mapper = new AspectAwareAttributeMapper(ConfiguredAttributeMapper.of(ct), aspectAttributes);
}
@Test
public void getName() throws Exception {
assertThat(mapper.getName()).isEqualTo(rule.getName());
}
@Test
public void getLabel() throws Exception {
assertThat(mapper.getLabel()).isEqualTo(rule.getLabel());
}
@Test
public void getRuleAttributeValue() throws Exception {
assertThat(mapper.get("srcs", BuildType.LABEL_LIST))
.containsExactly(Label.parseAbsolute("//foo:a.cc"));
}
@Test
public void getAspectAttributeValue() throws Exception {
try {
mapper.get("fromaspect", BuildType.LABEL);
fail("Expected failure because value queries aren't supported for aspect attributes");
} catch (UnsupportedOperationException e) {
// Expected.
}
}
@Test
public void getAspectValueWrongType() throws Exception {
try {
mapper.get("fromaspect", BuildType.LABEL_LIST);
fail("Expected failure on wrong-typed attribute");
} catch (IllegalArgumentException e) {
assertThat(e.getMessage())
.isEqualTo("attribute fromaspect has type label, not expected type list(label)");
}
}
@Test
public void getMissingAttributeValue() throws Exception {
try {
mapper.get("noexist", BuildType.LABEL);
fail("Expected failure on non-existent attribute");
} catch (IllegalArgumentException e) {
assertThat(e.getMessage())
.isEqualTo("no attribute 'noexist' in either //foo:myrule or its aspects");
}
}
@Test
public void isConfigurable() throws Exception {
assertThat(mapper.isConfigurable("linkstatic")).isTrue();
assertThat(mapper.isConfigurable("fromaspect")).isFalse();
}
@Test
public void getAttributeNames() throws Exception {
assertThat(mapper.getAttributeNames()).containsAllOf("srcs", "linkstatic", "fromaspect");
}
@Test
public void getAttributeType() throws Exception {
assertThat(mapper.getAttributeType("srcs")).isEqualTo(BuildType.LABEL_LIST);
assertThat(mapper.getAttributeType("fromaspect")).isEqualTo(BuildType.LABEL);
}
@Test
public void getAttributeDefinition() throws Exception {
assertThat(mapper.getAttributeDefinition("srcs").getName()).isEqualTo("srcs");
assertThat(mapper.getAttributeDefinition("fromaspect").getName()).isEqualTo("fromaspect");
}
@Test
public void has() throws Exception {
assertThat(mapper.has("srcs")).isTrue();
assertThat(mapper.has("fromaspect")).isTrue();
}
}
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