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/*
* Copyright 2018 the original author or authors.
*
* 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 org.gradle.integtests.resolve.capabilities
import org.gradle.integtests.fixtures.GradleMetadataResolveRunner
import org.gradle.integtests.fixtures.RequiredFeature
import org.gradle.integtests.fixtures.ToBeFixedForConfigurationCache
import org.gradle.integtests.resolve.AbstractModuleDependencyResolveTest
class CapabilitiesUseCasesIntegrationTest extends AbstractModuleDependencyResolveTest {
def setup() {
buildFile << """
configurations { conf }
"""
executer.withStackTraceChecksDisabled()
}
/**
* This use case corresponds to an external library which has 2 variants published at
* different coordinates, and using both at the same time is illegal. The libraries
* were not published using Gradle, so the consumer needs a way to express that and
* enforce the use of only one of them at the same time.
*/
@ToBeFixedForConfigurationCache(iterationMatchers = [".*conflict fix not applied.*"])
def "can choose between cglib and cglib-nodep by declaring capabilities (#description)"() {
given:
repository {
'cglib:cglib:3.2.5'()
'cglib:cglib-nodep:3.2.5'()
}
buildFile << """
class CapabilityRule implements ComponentMetadataRule {
@Override
void execute(ComponentMetadataContext context) {
def details = context.details
details.allVariants {
withCapabilities {
addCapability('cglib', 'cglib', details.id.version)
}
}
}
}
dependencies {
conf "cglib:cglib-nodep:3.2.5"
conf "cglib:cglib:3.2.5"
components {
withModule('cglib:cglib-nodep', CapabilityRule)
}
}
configurations.all {
resolutionStrategy {
dependencySubstitution {
if ($fixConflict) {
substitute(module('cglib:cglib-nodep'))
.because('capability cglib is provided by cglib:cglib and cglib:cglib-nodep')
.using(module('cglib:cglib:3.2.5'))
}
}
}
}
"""
when:
repositoryInteractions {
'cglib:cglib:3.2.5' {
fixConflict ? expectResolve() : expectGetMetadata()
}
'cglib:cglib-nodep:3.2.5' {
if (!fixConflict) {
expectGetMetadata()
}
}
}
if (fixConflict) {
run ':checkDeps'
} else {
fails ':checkDeps'
}
then:
if (fixConflict) {
resolve.expectGraph {
root(":", ":test:") {
module('cglib:cglib:3.2.5').selectedByRule('capability cglib is provided by cglib:cglib and cglib:cglib-nodep')
edge('cglib:cglib-nodep:3.2.5', 'cglib:cglib:3.2.5').selectedByRule('capability cglib is provided by cglib:cglib and cglib:cglib-nodep')
}
}
} else {
def variant = 'runtime'
if (!isGradleMetadataPublished() && useIvy()) {
variant = 'default'
}
failure.assertHasCause("""Module 'cglib:cglib-nodep' has been rejected:
Cannot select module with conflict on capability 'cglib:cglib:3.2.5' also provided by [cglib:cglib:3.2.5($variant)]""")
}
where:
fixConflict | description
false | 'conflict fix not applied'
true | 'conflict fix applied'
}
/**
* This use case corresponds to the case where a library maintainer publishes a library
* either as individual modules, or using a fatjar. It's illegal to have both the fat jar and
* individual modules on the classpath, so we need a way to declare that we prefer to use
* the fat jar.
*
* This is from the consumer point of view, fixing the fact the library doesn't declare capabilities.
*/
@ToBeFixedForConfigurationCache(iterationMatchers = [".*conflict fix not applied.*"])
def "can select groovy-all over individual groovy-whatever (#description)"() {
given:
repository {
'org.apache:groovy:1.0'()
'org.apache:groovy-json:1.0'()
'org.apache:groovy-xml:1.0'()
'org.apache:groovy-all:1.0'()
'org:a:1.0' {
dependsOn 'org.apache:groovy:1.0'
dependsOn 'org.apache:groovy-json:1.0'
}
'org:b:1.0' {
dependsOn 'org.apache:groovy-all:1.0'
}
}
buildFile << """
class CapabilityRule implements ComponentMetadataRule {
@Override
void execute(ComponentMetadataContext context) {
def details = context.details
details.allVariants {
withCapabilities {
addCapability('org.apache', 'groovy', details.id.version)
addCapability('org.apache', 'groovy-json', details.id.version)
}
}
}
}
dependencies {
conf "org:a:1.0"
conf "org:b:1.0"
components {
withModule('org.apache:groovy-all', CapabilityRule)
}
// solution
configurations.all {
resolutionStrategy {
dependencySubstitution {
if ($fixConflict) {
substitute module('org.apache:groovy') using module('org.apache:groovy-all:1.0')
substitute module('org.apache:groovy-json') using module('org.apache:groovy-all:1.0')
}
}
}
}
}
"""
when:
repositoryInteractions {
'org:a:1.0' {
fixConflict ? expectResolve() : expectGetMetadata()
}
'org:b:1.0' {
fixConflict ? expectResolve() : expectGetMetadata()
}
'org.apache:groovy-all:1.0' {
fixConflict ? expectResolve() : expectGetMetadata()
}
if (!fixConflict) {
'org.apache:groovy:1.0' {
expectGetMetadata()
}
'org.apache:groovy-json:1.0' {
expectGetMetadata()
}
}
}
then:
if (fixConflict) {
run ':checkDeps'
resolve.expectGraph {
root(":", ":test:") {
module('org:a:1.0') {
edge('org.apache:groovy:1.0', 'org.apache:groovy-all:1.0')
edge('org.apache:groovy-json:1.0', 'org.apache:groovy-all:1.0')
}
module('org:b:1.0') {
edge('org.apache:groovy-all:1.0', 'org.apache:groovy-all:1.0')
}
}
}
} else {
fails ':checkDeps'
def variant = 'runtime'
if (!isGradleMetadataPublished() && useIvy()) {
variant = 'default'
}
failure.assertHasCause("""Module 'org.apache:groovy' has been rejected:
Cannot select module with conflict on capability 'org.apache:groovy:1.0' also provided by [org.apache:groovy-all:1.0($variant)]""")
failure.assertHasCause("""Module 'org.apache:groovy-json' has been rejected:
Cannot select module with conflict on capability 'org.apache:groovy-json:1.0' also provided by [org.apache:groovy-all:1.0($variant)]""")
failure.assertHasCause("""Module 'org.apache:groovy-all' has been rejected:
Cannot select module with conflict on capability 'org.apache:groovy-json:1.0' also provided by [org.apache:groovy-json:1.0($variant)]""")
}
where:
fixConflict | description
false | 'conflict fix not applied'
true | 'conflict fix applied'
}
/**
* This use case corresponds to the case where a library maintainer publishes a library
* either as individual modules, or using a fatjar. It's illegal to have both the fat jar and
* individual modules on the classpath, so we need a way to declare that we prefer to use
* the individual jars instead.
*
* It's worth mentioning that the _consumer_ must, in this case, make sure that all the features
* actually used in the fatjar version are replaced with their appropriate module.
*
* This is from the consumer point of view, fixing the fact the library doesn't declare capabilities.
*/
@ToBeFixedForConfigurationCache(iterationMatchers = [".*conflict fix not applied.*"])
def "can select individual groovy-whatever over individual groovy-all (#description)"() {
given:
repository {
'org.apache:groovy:1.0'()
'org.apache:groovy-json:1.0'()
'org.apache:groovy-xml:1.0'()
'org.apache:groovy-all:1.0'()
'org:a:1.0' {
dependsOn 'org.apache:groovy:1.0'
dependsOn 'org.apache:groovy-json:1.0'
}
'org:b:1.0' {
dependsOn 'org.apache:groovy-all:1.0'
}
}
buildFile << """
class CapabilityRule implements ComponentMetadataRule {
@Override
void execute(ComponentMetadataContext context) {
def details = context.details
details.allVariants {
withCapabilities {
addCapability('org.apache', 'groovy', details.id.version)
addCapability('org.apache', 'groovy-json', details.id.version)
}
}
}
}
dependencies {
conf "org:a:1.0"
conf "org:b:1.0"
components {
withModule('org.apache:groovy-all', CapabilityRule)
// solution
configurations.all {
resolutionStrategy {
dependencySubstitution {
if ($fixConflict) { substitute module('org.apache:groovy-all') using module('org.apache:groovy-json:1.0') }
}
}
}
}
}
"""
when:
repositoryInteractions {
'org:a:1.0' {
fixConflict ? expectResolve() : expectGetMetadata()
}
'org:b:1.0' {
fixConflict ? expectResolve() : expectGetMetadata()
}
'org.apache:groovy:1.0' {
fixConflict ? expectResolve() : expectGetMetadata()
}
'org.apache:groovy-json:1.0' {
fixConflict ? expectResolve() : expectGetMetadata()
}
'org.apache:groovy-all:1.0' {
if (!fixConflict) {
expectGetMetadata()
}
}
}
then:
if (fixConflict) {
run ':checkDeps'
resolve.expectGraph {
root(":", ":test:") {
module('org:a:1.0') {
edge('org.apache:groovy:1.0', 'org.apache:groovy:1.0')
edge('org.apache:groovy-json:1.0', 'org.apache:groovy-json:1.0')
}
module('org:b:1.0') {
// this is not quite right, as we should replace with 2 edges
// one option to do it is to construct "adhoc" modules, and select an adhoc target in "prefer"
// where this adhoc target would have dependencies on groovy-json and groovy
edge('org.apache:groovy-all:1.0', 'org.apache:groovy-json:1.0')
}
}
}
} else {
fails ':checkDeps'
def variant = 'runtime'
if (!isGradleMetadataPublished() && useIvy()) {
variant = 'default'
}
failure.assertHasCause("""Module 'org.apache:groovy' has been rejected:
Cannot select module with conflict on capability 'org.apache:groovy:1.0' also provided by [org.apache:groovy-all:1.0($variant)]""")
failure.assertHasCause("""Module 'org.apache:groovy-json' has been rejected:
Cannot select module with conflict on capability 'org.apache:groovy-json:1.0' also provided by [org.apache:groovy-all:1.0($variant)]""")
failure.assertHasCause("""Module 'org.apache:groovy-all' has been rejected:
Cannot select module with conflict on capability 'org.apache:groovy-json:1.0' also provided by [org.apache:groovy-json:1.0($variant)]""")
}
where:
fixConflict | description
false | 'conflict fix not applied'
true | 'conflict fix applied'
}
/**
* This test highlights the case where published module declares a relocation. This is the drop-in replacement
* for "replacedBy" rules when a module has been relocated, and that the publisher uses Gradle. There's the
* ability to declare, in a newer version of the module, that it actually provides the same capability as an
* older version published at different coordinates.
*
* This test also makes sure that the order in which dependencies are seen in the graph do not matter.
*/
@RequiredFeature(feature = GradleMetadataResolveRunner.GRADLE_METADATA, value = "true")
@ToBeFixedForConfigurationCache(iterationMatchers = [".*failOnVersionConflict=true.*"])
def "published module can declare relocation (first in graph = #first, second in graph = #second, failOnVersionConflict=#failOnVersionConflict)"() {
given:
repository {
// // there's an implicit capability for every component, corresponding to the component coordinates
'asm:asm:3.0'()
'org.ow2.asm:asm:4.0' {
variant('runtime') {
capability('org.ow2.asm', 'asm', '4.0') // explicitly declare capability
capability('asm', 'asm', '4.0') // upgrades the asm capability
}
}
}
buildFile << """
dependencies {
conf "$first"
conf "$second"
}
if ($failOnVersionConflict) {
configurations.conf.resolutionStrategy.failOnVersionConflict()
}
configurations.conf.resolutionStrategy.capabilitiesResolution.all { selectHighestVersion() }
"""
when:
repositoryInteractions {
'asm:asm:3.0' {
expectGetMetadata()
}
'org.ow2.asm:asm:4.0' {
failOnVersionConflict ? expectGetMetadata() : expectResolve()
}
}
if (failOnVersionConflict) {
fails ':checkDeps'
} else {
run ":checkDeps"
}
then:
if (failOnVersionConflict) {
failure.assertHasCause("Conflict(s) found for the following module(s):\n - org.ow2.asm:asm latest version of capability asm:asm")
} else {
resolve.expectGraph {
root(":", ":test:") {
edge('asm:asm:3.0', 'org.ow2.asm:asm:4.0')
.byConflictResolution('latest version of capability asm:asm')
module('org.ow2.asm:asm:4.0')
}
}
}
where:
first | second | failOnVersionConflict
'asm:asm:3.0' | 'org.ow2.asm:asm:4.0' | false
'org.ow2.asm:asm:4.0' | 'asm:asm:3.0' | false
'asm:asm:3.0' | 'org.ow2.asm:asm:4.0' | true
'org.ow2.asm:asm:4.0' | 'asm:asm:3.0' | true
}
/**
* This test illustrates that published modules can declare capabilities, which are then discovered
* as we visit the graph. But using a module substitution rule, we can fix the problem.
*/
@RequiredFeature(feature = GradleMetadataResolveRunner.GRADLE_METADATA, value = "true")
@ToBeFixedForConfigurationCache(iterationMatchers = [".*conflict fix not applied.*"])
def "can express preference for capabilities declared in published modules (#description)"() {
given:
repository {
'org:testA:1.0' {
variant('runtime') {
capability('org', 'testA', '1.0')
capability('cap')
}
}
'org:testB:1.0' {
variant('runtime') {
capability('org', 'testB', '1.0')
capability('cap')
}
}
}
buildFile << """
dependencies {
conf 'org:testA:1.0'
conf 'org:testB:1.0'
}
// fix the conflict between modules providing the same capability
configurations.all {
resolutionStrategy {
dependencySubstitution {
if ($fixConflict) { substitute module('org:testA') using module('org:testB:1.0') }
}
}
}
"""
when:
repositoryInteractions {
'org:testB:1.0' {
fixConflict ? expectResolve() : expectGetMetadata()
}
'org:testA:1.0' {
if (!fixConflict) {
expectGetMetadata()
}
}
}
if (fixConflict) {
run ":checkDeps"
} else {
fails ':checkDeps'
}
then:
if (fixConflict) {
resolve.expectGraph {
root(":", ":test:") {
edge('org:testA:1.0', 'org:testB:1.0')
.selectedByRule()
module('org:testB:1.0')
}
}
} else {
failure.assertHasCause("""Module 'org:testA' has been rejected:
Cannot select module with conflict on capability 'org.test:cap:1.0' also provided by [org:testB:1.0(runtime)]""")
failure.assertHasCause("""Module 'org:testB' has been rejected:
Cannot select module with conflict on capability 'org.test:cap:1.0' also provided by [org:testA:1.0(runtime)]""")
}
where:
fixConflict | description
false | 'conflict fix not applied'
true | 'conflict fix applied'
}
}
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