| // 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.devtools.build.lib.analysis.ConfiguredTarget; |
| import com.google.devtools.build.lib.analysis.TemplateVariableInfo; |
| 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.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests of {@link TemplateVariableInfo}. */ |
| @RunWith(JUnit4.class) |
| public class TemplateVariableInfoTest extends BuildViewTestCase { |
| |
| @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 templateVariableInfo() 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"); |
| } |
| |
| @Test |
| public void templateVariableInfoConstructor() throws Exception { |
| scratch.file( |
| "a/rule.bzl", |
| "def _consumer_impl(ctx):", |
| " return struct(", |
| " var = ctx.attr.supplier[platform_common.TemplateVariableInfo]", |
| " .variables[ctx.attr.var])", |
| "def _supplier_impl(ctx):", |
| " return [platform_common.TemplateVariableInfo({ctx.attr.var: ctx.attr.value})]", |
| "consumer = rule(_consumer_impl,", |
| " attrs = { 'var': attr.string(), 'supplier': attr.label() })", |
| "supplier = rule(_supplier_impl,", |
| " attrs = { 'var': attr.string(), 'value': attr.string() })"); |
| |
| scratch.file( |
| "a/BUILD", |
| "load(':rule.bzl', 'consumer', 'supplier')", |
| "consumer(name='consumer', supplier=':supplier', var='cherry')", |
| "supplier(name='supplier', var='cherry', value='ontop')"); |
| |
| ConfiguredTarget consumer = getConfiguredTarget("//a:consumer"); |
| @SuppressWarnings("unchecked") |
| String value = (String) consumer.get("var"); |
| assertThat(value).isEqualTo("ontop"); |
| |
| ConfiguredTarget supplier = getConfiguredTarget("//a:supplier"); |
| assertThat(supplier.get(TemplateVariableInfo.PROVIDER).getVariables()) |
| .containsExactly("cherry", "ontop"); |
| } |
| } |