| // Copyright 2018 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.util.BuildViewTestCase; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.packages.StarlarkProvider; |
| import com.google.devtools.build.lib.packages.StructImpl; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests Starlark API for Platform configuration fragments. */ |
| @RunWith(JUnit4.class) |
| public class PlatformConfigurationApiTest extends BuildViewTestCase { |
| |
| @Test |
| public void testHostPlatform() throws Exception { |
| scratch.file("platforms/BUILD", "platform(name = 'test_platform')"); |
| |
| scratch.file( |
| "verify/verify.bzl", |
| "result = provider()", |
| "def _impl(ctx):", |
| " platformConfig = ctx.fragments.platform", |
| " host_platform = platformConfig.host_platform", |
| " return [result(", |
| " host_platform = host_platform,", |
| " )]", |
| "verify = rule(", |
| " implementation = _impl,", |
| " fragments = ['platform'],", |
| ")"); |
| scratch.file("verify/BUILD", "load(':verify.bzl', 'verify')", "verify(name = 'verify')"); |
| |
| useConfiguration("--host_platform=//platforms:test_platform"); |
| |
| ConfiguredTarget myRuleTarget = getConfiguredTarget("//verify:verify"); |
| StructImpl info = |
| (StructImpl) |
| myRuleTarget.get( |
| new StarlarkProvider.Key( |
| Label.parseAbsolute("//verify:verify.bzl", ImmutableMap.of()), "result")); |
| |
| Label hostPlatform = (Label) info.getValue("host_platform"); |
| assertThat(hostPlatform).isEqualTo(Label.parseAbsoluteUnchecked("//platforms:test_platform")); |
| } |
| |
| @Test |
| public void testTargetPlatform_single() throws Exception { |
| scratch.file("platforms/BUILD", "platform(name = 'test_platform')"); |
| |
| scratch.file( |
| "verify/verify.bzl", |
| "result = provider()", |
| "def _impl(ctx):", |
| " platformConfig = ctx.fragments.platform", |
| " target_platform = platformConfig.platform", |
| " return [result(", |
| " target_platform = target_platform,", |
| " )]", |
| "verify = rule(", |
| " implementation = _impl,", |
| " fragments = ['platform'],", |
| ")"); |
| scratch.file("verify/BUILD", "load(':verify.bzl', 'verify')", "verify(name = 'verify')"); |
| |
| useConfiguration("--platforms=//platforms:test_platform"); |
| |
| ConfiguredTarget myRuleTarget = getConfiguredTarget("//verify:verify"); |
| StructImpl info = |
| (StructImpl) |
| myRuleTarget.get( |
| new StarlarkProvider.Key( |
| Label.parseAbsolute("//verify:verify.bzl", ImmutableMap.of()), "result")); |
| |
| Label targetPlatform = (Label) info.getValue("target_platform"); |
| assertThat(targetPlatform).isEqualTo(Label.parseAbsoluteUnchecked("//platforms:test_platform")); |
| } |
| } |