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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.analysis.platform;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.testing.EqualsTester;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.rules.platform.ConstraintValue;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests of {@link ConstraintValueInfo}. */
@RunWith(JUnit4.class)
public class ConstraintValueInfoTest extends BuildViewTestCase {
@Test
public void constraintValue_equalsTester() {
ConstraintSettingInfo setting1 = ConstraintSettingInfo.create(makeLabel("//constraint:basic"));
ConstraintSettingInfo setting2 = ConstraintSettingInfo.create(makeLabel("//constraint:other"));
new EqualsTester()
.addEqualityGroup(
// Base case.
ConstraintValueInfo.create(setting1, makeLabel("//constraint:value")),
ConstraintValueInfo.create(setting1, makeLabel("//constraint:value")))
.addEqualityGroup(
// Different label.
ConstraintValueInfo.create(setting1, makeLabel("//constraint:otherValue")))
.addEqualityGroup(
// Different setting.
ConstraintValueInfo.create(setting2, makeLabel("//constraint:otherValue")))
.testEquals();
}
@Test
public void constraintValueInfoConstructor() throws Exception {
scratch.file(
"test/platform/my_constraint_value.bzl",
"def _impl(ctx):",
" setting = ctx.attr.setting[platform_common.ConstraintSettingInfo]",
" constraint_value = platform_common.ConstraintValueInfo(",
" label = ctx.label, constraint_setting = setting)",
" return [constraint_value]",
"my_constraint_value = rule(",
" implementation = _impl,",
" attrs = {",
" 'setting': attr.label(providers = [platform_common.ConstraintSettingInfo]),",
" }",
")");
scratch.file(
"test/platform/BUILD",
"load('//test/platform:my_constraint_value.bzl', 'my_constraint_value')",
"constraint_setting(name = 'basic')",
"my_constraint_value(",
" name = 'custom',",
" setting = ':basic',",
")");
ConfiguredTarget value = getConfiguredTarget("//test/platform:custom");
assertThat(value).isNotNull();
assertThat(ConstraintValue.constraintValue(value)).isNotNull();
assertThat(ConstraintValue.constraintValue(value).constraint().label())
.isEqualTo(Label.parseAbsolute("//test/platform:basic"));
assertThat(ConstraintValue.constraintValue(value).label())
.isEqualTo(Label.parseAbsolute("//test/platform:custom"));
}
}
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