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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 org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests of {@link PlatformInfo}. */
@RunWith(JUnit4.class)
public class PlatformInfoTest extends BuildViewTestCase {
@Rule public ExpectedException expectedException = ExpectedException.none();
@Before
public void createPlatform() throws Exception {
scratch.file(
"constraint/BUILD",
"constraint_setting(name = 'basic')",
"constraint_value(name = 'foo',",
" constraint_setting = ':basic',",
" )");
}
@Test
public void platformInfo_overlappingConstraintsError() throws Exception {
ConstraintSettingInfo setting = ConstraintSettingInfo.create(makeLabel("//constraint:basic"));
ConstraintValueInfo value1 = ConstraintValueInfo.create(setting, makeLabel("//constraint:foo"));
ConstraintValueInfo value2 = ConstraintValueInfo.create(setting, makeLabel("//constraint:bar"));
PlatformInfo.Builder builder =
PlatformInfo.builder().addConstraint(value1).addConstraint(value2);
expectedException.expect(PlatformInfo.DuplicateConstraintException.class);
expectedException.expectMessage(
"Duplicate constraint_values for constraint_setting //constraint:basic: "
+ "//constraint:foo, //constraint:bar");
builder.build();
}
@Test
public void platformInfo_equalsTester() throws Exception {
ConstraintSettingInfo setting1 = ConstraintSettingInfo.create(makeLabel("//constraint:basic"));
ConstraintSettingInfo setting2 = ConstraintSettingInfo.create(makeLabel("//constraint:other"));
ConstraintValueInfo value1 =
ConstraintValueInfo.create(setting1, makeLabel("//constraint:value1"));
ConstraintValueInfo value2 =
ConstraintValueInfo.create(setting2, makeLabel("//constraint:value2"));
ConstraintValueInfo value3 =
ConstraintValueInfo.create(setting2, makeLabel("//constraint:value3"));
new EqualsTester()
.addEqualityGroup(
// Base case.
PlatformInfo.builder().addConstraint(value1).addConstraint(value2).build(),
PlatformInfo.builder().addConstraint(value1).addConstraint(value2).build(),
PlatformInfo.builder()
.addConstraint(value1)
.addConstraint(value2)
.addRemoteExecutionProperty("key", "val") // execution properties are ignored.
.build())
.addEqualityGroup(
// Extra constraint.
PlatformInfo.builder().addConstraint(value1).addConstraint(value3).build())
.addEqualityGroup(
// Missing constraint.
PlatformInfo.builder().addConstraint(value1).build())
.testEquals();
}
@Test
public void platformInfoConstructor() throws Exception {
scratch.file(
"test/platform/my_platform.bzl",
"def _impl(ctx):",
" constraints = [val[platform_common.ConstraintValueInfo] "
+ "for val in ctx.attr.constraints]",
" platform = platform_common.PlatformInfo(constraint_values = constraints)",
" return [platform]",
"my_platform = rule(",
" implementation = _impl,",
" attrs = {",
" 'constraints': attr.label_list(providers = [platform_common.ConstraintValueInfo])",
" }",
")");
scratch.file(
"test/platform/BUILD",
"load('//test/platform:my_platform.bzl', 'my_platform')",
"my_platform(name = 'custom',",
" constraints = [",
" '//constraint:foo',",
" ])");
ConfiguredTarget platform = getConfiguredTarget("//test/platform:custom");
assertThat(platform).isNotNull();
PlatformInfo provider = PlatformProviderUtils.platform(platform);
assertThat(provider).isNotNull();
assertThat(provider.constraints()).hasSize(1);
ConstraintSettingInfo constraintSetting =
ConstraintSettingInfo.create(makeLabel("//constraint:basic"));
ConstraintValueInfo constraintValue =
ConstraintValueInfo.create(constraintSetting, makeLabel("//constraint:foo"));
assertThat(provider.constraints()).containsExactly(constraintValue);
assertThat(provider.remoteExecutionProperties()).isEmpty();
}
@Test
public void platformInfoConstructor_error_duplicateConstraints() throws Exception {
scratch.file(
"test/platform/my_platform.bzl",
"def _impl(ctx):",
" platform = platform_common.PlatformInfo()",
" return [platform]",
"my_platform = rule(",
" implementation = _impl,",
" attrs = {",
" 'constraints': attr.label_list(providers = [platform_common.ConstraintValueInfo])",
" }",
")");
checkError(
"test/platform",
"custom",
"Label '//constraint:foo' is duplicated in the 'constraints' attribute of rule 'custom'",
"load('//test/platform:my_platform.bzl', 'my_platform')",
"my_platform(name = 'custom',",
" constraints = [",
" '//constraint:foo',",
" '//constraint:foo',",
" ])");
}
}
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