| // 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.platform; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.lib.analysis.ConfiguredTarget; |
| import com.google.devtools.build.lib.analysis.platform.ConstraintSettingInfo; |
| import com.google.devtools.build.lib.analysis.platform.ConstraintValueInfo; |
| import com.google.devtools.build.lib.analysis.platform.PlatformProviderUtils; |
| import com.google.devtools.build.lib.analysis.util.BuildViewTestCase; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.packages.SkylarkProvider.SkylarkKey; |
| import com.google.devtools.build.lib.packages.StructImpl; |
| import com.google.devtools.build.lib.syntax.Runtime; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests of {@link ConstraintSetting} and {@link ConstraintValue}. */ |
| @RunWith(JUnit4.class) |
| public class ConstraintTest extends BuildViewTestCase { |
| |
| @Before |
| public void createConstraints() throws Exception { |
| scratch.file( |
| "constraint/BUILD", |
| "constraint_setting(name = 'basic')", |
| "constraint_value(name = 'foo',", |
| " constraint_setting = ':basic',", |
| " )", |
| "constraint_value(name = 'bar',", |
| " constraint_setting = ':basic',", |
| " )"); |
| } |
| |
| @Test |
| public void testConstraint() throws Exception { |
| ConfiguredTarget setting = getConfiguredTarget("//constraint:basic"); |
| assertThat(setting).isNotNull(); |
| |
| ConstraintSettingInfo constraintSettingInfo = PlatformProviderUtils.constraintSetting(setting); |
| assertThat(constraintSettingInfo).isNotNull(); |
| assertThat(constraintSettingInfo).isNotNull(); |
| assertThat(constraintSettingInfo.label()) |
| .isEqualTo(Label.parseAbsolute("//constraint:basic", ImmutableMap.of())); |
| assertThat(constraintSettingInfo.hasDefaultConstraintValue()).isFalse(); |
| assertThat(constraintSettingInfo.defaultConstraintValue()).isNull(); |
| |
| ConfiguredTarget fooValue = getConfiguredTarget("//constraint:foo"); |
| assertThat(fooValue).isNotNull(); |
| |
| ConstraintValueInfo fooConstraintValueInfo = PlatformProviderUtils.constraintValue(fooValue); |
| assertThat(fooConstraintValueInfo).isNotNull(); |
| assertThat(fooConstraintValueInfo.constraint().label()) |
| .isEqualTo(Label.parseAbsolute("//constraint:basic", ImmutableMap.of())); |
| assertThat(fooConstraintValueInfo.label()) |
| .isEqualTo(Label.parseAbsolute("//constraint:foo", ImmutableMap.of())); |
| |
| ConfiguredTarget barValue = getConfiguredTarget("//constraint:bar"); |
| assertThat(barValue).isNotNull(); |
| |
| ConstraintValueInfo barConstraintValueInfo = PlatformProviderUtils.constraintValue(barValue); |
| assertThat(barConstraintValueInfo.constraint().label()) |
| .isEqualTo(Label.parseAbsolute("//constraint:basic", ImmutableMap.of())); |
| assertThat(barConstraintValueInfo.label()) |
| .isEqualTo(Label.parseAbsolute("//constraint:bar", ImmutableMap.of())); |
| } |
| |
| @Test |
| public void testConstraint_defaultValue() throws Exception { |
| scratch.file( |
| "constraint_default/BUILD", |
| "constraint_setting(name = 'basic',", |
| " default_constraint_value = ':foo',", |
| ")", |
| "constraint_value(name = 'foo',", |
| " constraint_setting = ':basic',", |
| ")", |
| "constraint_value(name = 'bar',", |
| " constraint_setting = ':basic',", |
| ")"); |
| |
| ConfiguredTarget setting = getConfiguredTarget("//constraint_default:basic"); |
| assertThat(setting).isNotNull(); |
| ConstraintSettingInfo constraintSettingInfo = PlatformProviderUtils.constraintSetting(setting); |
| assertThat(constraintSettingInfo).isNotNull(); |
| assertThat(constraintSettingInfo.hasDefaultConstraintValue()).isTrue(); |
| |
| ConfiguredTarget fooValue = getConfiguredTarget("//constraint_default:foo"); |
| assertThat(fooValue).isNotNull(); |
| ConstraintValueInfo fooConstraintValueInfo = PlatformProviderUtils.constraintValue(fooValue); |
| assertThat(fooConstraintValueInfo).isNotNull(); |
| |
| assertThat(constraintSettingInfo.defaultConstraintValue()).isEqualTo(fooConstraintValueInfo); |
| } |
| |
| @Test |
| public void testConstraint_defaultValue_differentPackageFails() throws Exception { |
| scratch.file( |
| "other/BUILD", |
| "constraint_value(name = 'other',", |
| " constraint_setting = '//constraint_default:basic',", |
| ")"); |
| checkError( |
| "constraint_default", |
| "basic", |
| "same package", |
| "constraint_setting(name = 'basic',", |
| " default_constraint_value = '//other:other',", |
| ")"); |
| } |
| |
| @Test |
| public void testConstraint_defaultValue_nonExistentTargetFails() throws Exception { |
| checkError( |
| "constraint_default", |
| "basic", |
| "default constraint value '//constraint_default:food' does not exist", |
| "constraint_setting(name = 'basic',", |
| " default_constraint_value = ':food',", |
| " )", |
| "constraint_value(name = 'foo',", |
| " constraint_setting = ':basic',", |
| ")"); |
| } |
| |
| @Test |
| public void testConstraint_defaultValue_starlark() throws Exception { |
| setSkylarkSemanticsOptions("--experimental_platforms_api=true"); |
| scratch.file( |
| "constraint_default/BUILD", |
| "constraint_setting(name = 'basic',", |
| " default_constraint_value = ':foo',", |
| ")", |
| "constraint_value(name = 'foo',", |
| " constraint_setting = ':basic',", |
| ")"); |
| |
| scratch.file( |
| "verify/verify.bzl", |
| "result = provider()", |
| "def _impl(ctx):", |
| " constraint_setting = ctx.attr.constraint_setting[platform_common.ConstraintSettingInfo]", |
| " default_value = constraint_setting.default_constraint_value", |
| " has_default_value = constraint_setting.has_default_constraint_value", |
| " return [result(", |
| " default_value = default_value,", |
| " has_default_value = has_default_value,", |
| " )]", |
| "verify = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " 'constraint_setting': attr.label(", |
| " providers = [platform_common.ConstraintSettingInfo]),", |
| " },", |
| ")"); |
| scratch.file( |
| "verify/BUILD", |
| "load(':verify.bzl', 'verify')", |
| "verify(name = 'verify',", |
| " constraint_setting = '//constraint_default:basic',", |
| ")"); |
| |
| ConfiguredTarget myRuleTarget = getConfiguredTarget("//verify:verify"); |
| StructImpl info = |
| (StructImpl) |
| myRuleTarget.get( |
| new SkylarkKey( |
| Label.parseAbsolute("//verify:verify.bzl", ImmutableMap.of()), "result")); |
| |
| @SuppressWarnings("unchecked") |
| ConstraintValueInfo defaultConstraintValue = |
| (ConstraintValueInfo) info.getValue("default_value"); |
| assertThat(defaultConstraintValue).isNotNull(); |
| assertThat(defaultConstraintValue.label()) |
| .isEqualTo(Label.parseAbsoluteUnchecked("//constraint_default:foo")); |
| assertThat(defaultConstraintValue.constraint().label()) |
| .isEqualTo(Label.parseAbsoluteUnchecked("//constraint_default:basic")); |
| |
| boolean hasConstraintValue = (boolean) info.getValue("has_default_value"); |
| assertThat(hasConstraintValue).isTrue(); |
| } |
| |
| @Test |
| public void testConstraint_defaultValue_notSet_starlark() throws Exception { |
| setSkylarkSemanticsOptions("--experimental_platforms_api=true"); |
| scratch.file("constraint_default/BUILD", "constraint_setting(name = 'basic')"); |
| |
| scratch.file( |
| "verify/verify.bzl", |
| "result = provider()", |
| "def _impl(ctx):", |
| " constraint_setting = ctx.attr.constraint_setting[platform_common.ConstraintSettingInfo]", |
| " default_value = constraint_setting.default_constraint_value", |
| " has_default_value = constraint_setting.has_default_constraint_value", |
| " return [result(", |
| " default_value = default_value,", |
| " has_default_value = has_default_value,", |
| " )]", |
| "verify = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " 'constraint_setting': attr.label(", |
| " providers = [platform_common.ConstraintSettingInfo]),", |
| " },", |
| ")"); |
| scratch.file( |
| "verify/BUILD", |
| "load(':verify.bzl', 'verify')", |
| "verify(name = 'verify',", |
| " constraint_setting = '//constraint_default:basic',", |
| ")"); |
| |
| ConfiguredTarget myRuleTarget = getConfiguredTarget("//verify:verify"); |
| StructImpl info = |
| (StructImpl) |
| myRuleTarget.get( |
| new SkylarkKey( |
| Label.parseAbsolute("//verify:verify.bzl", ImmutableMap.of()), "result")); |
| |
| assertThat(info.getValue("default_value")).isEqualTo(Runtime.NONE); |
| |
| boolean hasConstraintValue = (boolean) info.getValue("has_default_value"); |
| assertThat(hasConstraintValue).isFalse(); |
| } |
| } |