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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.featurecontrol;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSetMultimap;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.cmdline.RepositoryName;
import com.google.devtools.build.lib.packages.PackageSpecification;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for the FeaturePolicyConfiguration. */
@RunWith(JUnit4.class)
public final class FeaturePolicyConfigurationTest {
@Test
public void isFeatureEnabledForRule_FalseIfAbsentFromFeatureMap() throws Exception {
FeaturePolicyConfiguration config =
new FeaturePolicyConfiguration(
ImmutableSetMultimap.<String, PackageSpecification>of(),
ImmutableMap.of("newFeature", "//package_group:empty"));
assertThat(config.isFeatureEnabledForRule("newFeature", Label.parseAbsolute("//:rule")))
.isFalse();
}
@Test
public void isFeatureEnabledForRule_TrueIfMappedToEverything() throws Exception {
FeaturePolicyConfiguration config =
new FeaturePolicyConfiguration(
ImmutableSetMultimap.of("newFeature", PackageSpecification.everything()),
ImmutableMap.of("newFeature", "//..."));
assertThat(config.isFeatureEnabledForRule("newFeature", Label.parseAbsolute("//:rule")))
.isTrue();
}
@Test
public void isFeatureEnabledForRule_TrueIfInPackageSpecification() throws Exception {
FeaturePolicyConfiguration config =
new FeaturePolicyConfiguration(
ImmutableSetMultimap.of(
"newFeature",
PackageSpecification.fromString(RepositoryName.MAIN, "//allowed/...")),
ImmutableMap.of("newFeature", "//allowed/..."));
assertThat(config.isFeatureEnabledForRule("newFeature", Label.parseAbsolute("//allowed:rule")))
.isTrue();
}
@Test
public void isFeatureEnabledForRule_FalseIfNotInPackageSpecification() throws Exception {
FeaturePolicyConfiguration config =
new FeaturePolicyConfiguration(
ImmutableSetMultimap.of(
"newFeature",
PackageSpecification.fromString(RepositoryName.MAIN, "//allowed/...")),
ImmutableMap.of("newFeature", "//allowed/..."));
assertThat(
config.isFeatureEnabledForRule("newFeature", Label.parseAbsolute("//forbidden:rule")))
.isFalse();
}
@Test
public void isFeatureEnabledForRule_FailsIfNotPresentInPolicyList() throws Exception {
FeaturePolicyConfiguration config =
new FeaturePolicyConfiguration(
ImmutableSetMultimap.of("newFeature", PackageSpecification.everything()),
ImmutableMap.<String, String>of());
try {
config.isFeatureEnabledForRule("newFeature", Label.parseAbsolute("//:rule"));
fail("Expected an exception.");
} catch (IllegalArgumentException expected) {
assertThat(expected).hasMessageThat().contains("No such feature: newFeature");
}
}
@Test
public void getPolicyForFeature_ReturnsValueFromPolicy() throws Exception {
FeaturePolicyConfiguration config =
new FeaturePolicyConfiguration(
ImmutableSetMultimap.of("newFeature", PackageSpecification.everything()),
ImmutableMap.<String, String>of("newFeature", "my policy"));
assertThat(config.getPolicyForFeature("newFeature")).isEqualTo("my policy");
}
@Test
public void getPolicyForFeature_FailsIfNotPresentInPolicyList() throws Exception {
FeaturePolicyConfiguration config =
new FeaturePolicyConfiguration(
ImmutableSetMultimap.of("newFeature", PackageSpecification.everything()),
ImmutableMap.<String, String>of());
try {
config.getPolicyForFeature("newFeature");
fail("Expected an exception.");
} catch (IllegalArgumentException expected) {
assertThat(expected).hasMessageThat().contains("No such feature: newFeature");
}
}
}
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