| // 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 static com.google.devtools.build.lib.testutil.MoreAsserts.expectThrows; |
| |
| import com.google.common.testing.EqualsTester; |
| import com.google.devtools.build.lib.analysis.ConfiguredTarget; |
| import com.google.devtools.build.lib.analysis.actions.SpawnAction; |
| import com.google.devtools.build.lib.analysis.util.BuildViewTestCase; |
| import java.util.Map; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests of {@link PlatformInfo}. */ |
| @RunWith(JUnit4.class) |
| public class PlatformInfoTest extends BuildViewTestCase { |
| |
| @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 setting1 = ConstraintSettingInfo.create(makeLabel("//constraint:basic")); |
| ConstraintSettingInfo setting2 = |
| ConstraintSettingInfo.create(makeLabel("//constraint:complex")); |
| ConstraintSettingInfo setting3 = ConstraintSettingInfo.create(makeLabel("//constraint:single")); |
| |
| PlatformInfo.Builder builder = PlatformInfo.builder(); |
| |
| builder.addConstraint(ConstraintValueInfo.create(setting1, makeLabel("//constraint:value1"))); |
| builder.addConstraint(ConstraintValueInfo.create(setting1, makeLabel("//constraint:value2"))); |
| |
| builder.addConstraint(ConstraintValueInfo.create(setting2, makeLabel("//constraint:value3"))); |
| builder.addConstraint(ConstraintValueInfo.create(setting2, makeLabel("//constraint:value4"))); |
| builder.addConstraint(ConstraintValueInfo.create(setting2, makeLabel("//constraint:value5"))); |
| |
| builder.addConstraint(ConstraintValueInfo.create(setting3, makeLabel("//constraint:value6"))); |
| |
| PlatformInfo.DuplicateConstraintException exception = |
| expectThrows(PlatformInfo.DuplicateConstraintException.class, () -> builder.build()); |
| assertThat(exception) |
| .hasMessageThat() |
| .contains( |
| "Duplicate constraint_values detected: " |
| + "constraint_setting //constraint:basic has " |
| + "[//constraint:value1, //constraint:value2], " |
| + "constraint_setting //constraint:complex has " |
| + "[//constraint:value3, //constraint:value4, //constraint:value5]"); |
| } |
| |
| @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() |
| .setLabel(makeLabel("//platform/plat1")) |
| .addConstraint(value1) |
| .addConstraint(value2) |
| .build(), |
| PlatformInfo.builder() |
| .setLabel(makeLabel("//platform/plat1")) |
| .addConstraint(value1) |
| .addConstraint(value2) |
| .build(), |
| PlatformInfo.builder() |
| .setLabel(makeLabel("//platform/plat1")) |
| .addConstraint(value1) |
| .addConstraint(value2) |
| .addRemoteExecutionProperty("key", "val") // execution properties are ignored. |
| .build()) |
| .addEqualityGroup( |
| // Different label. |
| PlatformInfo.builder() |
| .setLabel(makeLabel("//platform/plat2")) |
| .addConstraint(value1) |
| .addConstraint(value2) |
| .build()) |
| .addEqualityGroup( |
| // Extra constraint. |
| PlatformInfo.builder() |
| .setLabel(makeLabel("//platform/plat1")) |
| .addConstraint(value1) |
| .addConstraint(value3) |
| .build()) |
| .addEqualityGroup( |
| // Missing constraint. |
| PlatformInfo.builder() |
| .setLabel(makeLabel("//platform/plat1")) |
| .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(", |
| " label = ctx.label, 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.label()).isEqualTo(makeLabel("//test/platform:custom")); |
| 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',", |
| " ])"); |
| } |
| |
| @Test |
| public void proxyTemplateVariableInfo() throws Exception { |
| scratch.file( |
| "a/rule.bzl", |
| "def _impl(ctx):", |
| " return struct(", |
| " providers = [ctx.attr._cc_toolchain[platform_common.TemplateVariableInfo]])", |
| "crule = rule(_impl, attrs = { '_cc_toolchain': attr.label(default=Label('//a:a')) })"); |
| |
| scratch.file("a/BUILD", |
| "load(':rule.bzl', 'crule')", |
| "cc_toolchain_alias(name='a')", |
| "crule(name='r')", |
| "genrule(name='g', srcs=[], outs=['go'], toolchains=[':r'], cmd='VAR $(CC)')"); |
| |
| SpawnAction action = (SpawnAction) getGeneratingAction(getConfiguredTarget("//a:g"), "a/go"); |
| assertThat(action.getArguments().get(2)).containsMatch("VAR .*gcc"); |
| } |
| |
| @Test |
| public void makeVariableInfo() throws Exception { |
| scratch.file( |
| "a/rule.bzl", |
| "def _impl(ctx):", |
| " return struct(", |
| " variables = ctx.attr._cc_toolchain[platform_common.TemplateVariableInfo].variables)", |
| "crule = rule(_impl, attrs = { '_cc_toolchain': attr.label(default=Label('//a:a')) })"); |
| |
| scratch.file("a/BUILD", |
| "load(':rule.bzl', 'crule')", |
| "cc_toolchain_alias(name='a')", |
| "crule(name='r')"); |
| ConfiguredTarget ct = getConfiguredTarget("//a:r"); |
| |
| @SuppressWarnings("unchecked") |
| Map<String, String> makeVariables = (Map<String, String>) ct.get("variables"); |
| assertThat(makeVariables).containsKey("CC_FLAGS"); |
| } |
| } |