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AttributeMatchingVariantSelectorSpec.groovy
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AttributeMatchingVariantSelectorSpec.groovy
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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.api.internal.artifacts.transform
import org.gradle.api.Task
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.ResolvedArtifactSet
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.ResolvedVariant
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.ResolvedVariantSet
import org.gradle.api.internal.attributes.AttributesSchemaInternal
import org.gradle.api.internal.attributes.ImmutableAttributes
import org.gradle.api.internal.attributes.ImmutableAttributesFactory
import org.gradle.api.internal.tasks.TaskDependencyResolveContext
import org.gradle.internal.Describables
import org.gradle.internal.component.AmbiguousVariantSelectionException
import org.gradle.internal.component.model.AttributeMatcher
import org.gradle.util.AttributeTestUtil
import spock.lang.Specification
class AttributeMatchingVariantSelectorSpec extends Specification {
def consumerProvidedVariantFinder = Mock(ConsumerProvidedVariantFinder)
def transformationNodeRegistry = Mock(TransformationNodeRegistry)
def attributeMatcher = Mock(AttributeMatcher)
def attributesSchema = Mock(AttributesSchemaInternal) {
withProducer(_) >> attributeMatcher
}
def attributesFactory = Mock(ImmutableAttributesFactory) {
concat(_, _) >> { args -> return args[0]}
}
def requestedAttributes = AttributeTestUtil.attributes(['artifactType' : 'jar'])
def variantAttributes = AttributeTestUtil.attributes(['artifactType': 'jar'])
def otherVariantAttributes = AttributeTestUtil.attributes(['artifactType': 'classes'])
def dependenciesResolverFactory = Mock(ExtraExecutionGraphDependenciesResolverFactory)
def variant = Mock(ResolvedVariant) {
getAttributes() >> variantAttributes
asDescribable() >> Describables.of("mock resolved variant")
}
def variantSet = Mock(ResolvedVariantSet) {
asDescribable() >> Describables.of("mock producer")
getVariants() >> [variant]
}
def 'direct match on variant means no finder interaction'() {
given:
def resolvedArtifactSet = Mock(ResolvedArtifactSet)
def selector = new AttributeMatchingVariantSelector(consumerProvidedVariantFinder, attributesSchema, attributesFactory, transformationNodeRegistry, requestedAttributes, false, dependenciesResolverFactory)
when:
def result = selector.select(variantSet)
then:
result == resolvedArtifactSet
1 * attributeMatcher.matches(_, _) >> [variant]
1 * variant.getArtifacts() >> resolvedArtifactSet
0 * consumerProvidedVariantFinder._
}
def 'multiple match on variant results in ambiguous exception'() {
given:
def otherResolvedVariant = Mock(ResolvedVariant) {
asDescribable() >> Describables.of('other mocked variant')
getAttributes() >> otherVariantAttributes
}
def selector = new AttributeMatchingVariantSelector(consumerProvidedVariantFinder, attributesSchema, attributesFactory, transformationNodeRegistry, requestedAttributes, false, dependenciesResolverFactory)
when:
def result = selector.select(variantSet)
then:
result.visitDependencies(new TaskDependencyResolveContext() {
@Override
void add(Object dependency) {
throw new AssertionError("Expected an exception")
}
@Override
void maybeAdd(Object dependency) {
}
@Override
void visitFailure(Throwable failure) {
assert failure instanceof AmbiguousVariantSelectionException
}
@Override
Task getTask() {
return null
}
})
1 * attributeMatcher.matches(_, _) >> [variant, otherResolvedVariant]
2 * attributeMatcher.isMatching(_, _, _) >> true
0 * consumerProvidedVariantFinder._
}
def 'selecting a transform results in added DefaultTransformationDependency'() {
given:
def selector = new AttributeMatchingVariantSelector(consumerProvidedVariantFinder, attributesSchema, attributesFactory, transformationNodeRegistry, requestedAttributes, false, dependenciesResolverFactory)
when:
def result = selector.select(variantSet)
then:
result.visitDependencies(new TaskDependencyResolveContext() {
@Override
void add(Object dependency) {
assert dependency instanceof DefaultTransformationDependency
}
@Override
void maybeAdd(Object dependency) {
}
@Override
void visitFailure(Throwable failure) {
throw failure
}
@Override
Task getTask() {
return null
}
})
1 * attributeMatcher.matches(_, _) >> Collections.emptyList()
1 * consumerProvidedVariantFinder.collectConsumerVariants(variantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, Mock(Transformation), 1)
}
}
def 'can disambiguate sub chains'() {
given:
def otherVariant = Mock(ResolvedVariant) {
getAttributes() >> otherVariantAttributes
asDescribable() >> Describables.of("mock other resolved variant")
}
def multiVariantSet = Mock(ResolvedVariantSet) {
asDescribable() >> Describables.of("mock multi producer")
getVariants() >> [variant, otherVariant]
}
def transform1 = Mock(Transformation)
def transform2 = Mock(Transformation)
def selector = new AttributeMatchingVariantSelector(consumerProvidedVariantFinder, attributesSchema, attributesFactory, transformationNodeRegistry, requestedAttributes, false, dependenciesResolverFactory)
when:
def result = selector.select(multiVariantSet)
then:
result.visitDependencies(new TaskDependencyResolveContext() {
@Override
void add(Object dependency) {
assert dependency instanceof DefaultTransformationDependency
assert dependency.transformation == transform1
}
@Override
void maybeAdd(Object dependency) {
}
@Override
void visitFailure(Throwable failure) {
throw failure
}
@Override
Task getTask() {
return null
}
})
1 * attributeMatcher.matches(_, _) >> Collections.emptyList()
1 * attributeMatcher.isMatching(requestedAttributes, requestedAttributes) >> true
1 * consumerProvidedVariantFinder.collectConsumerVariants(variantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform1, 2)
}
1 * consumerProvidedVariantFinder.collectConsumerVariants(otherVariantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform2, 3)
}
1 * attributeMatcher.matches(_, _) >> { args -> args[0] }
}
def 'can disambiguate 2 equivalent chains by picking shortest'() {
given:
def otherVariant = Mock(ResolvedVariant) {
getAttributes() >> otherVariantAttributes
asDescribable() >> Describables.of("mock other resolved variant")
}
def multiVariantSet = Mock(ResolvedVariantSet) {
asDescribable() >> Describables.of("mock multi producer")
getVariants() >> [variant, otherVariant]
}
def transform1 = Mock(Transformation)
def transform2 = Mock(Transformation)
def selector = new AttributeMatchingVariantSelector(consumerProvidedVariantFinder, attributesSchema, attributesFactory, transformationNodeRegistry, requestedAttributes, false, dependenciesResolverFactory)
when:
def result = selector.select(multiVariantSet)
then:
result.visitDependencies(new TaskDependencyResolveContext() {
@Override
void add(Object dependency) {
assert dependency instanceof DefaultTransformationDependency
assert dependency.transformation == transform1
}
@Override
void maybeAdd(Object dependency) {
}
@Override
void visitFailure(Throwable failure) {
throw failure
}
@Override
Task getTask() {
return null
}
})
1 * attributeMatcher.matches(_, _) >> Collections.emptyList()
1 * attributeMatcher.isMatching(requestedAttributes, requestedAttributes) >> true
1 * consumerProvidedVariantFinder.collectConsumerVariants(variantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform1, 2)
}
1 * consumerProvidedVariantFinder.collectConsumerVariants(otherVariantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform2, 3)
}
1 * attributeMatcher.matches(_, _) >> { args -> args[0] }
}
def 'can leverage schema disambiguation'() {
given:
def otherVariant = Mock(ResolvedVariant) {
getAttributes() >> otherVariantAttributes
asDescribable() >> Describables.of("mock other resolved variant")
}
def multiVariantSet = Mock(ResolvedVariantSet) {
asDescribable() >> Describables.of("mock multi producer")
getVariants() >> [variant, otherVariant]
}
def transform1 = Mock(Transformation)
def transform2 = Mock(Transformation)
def selector = new AttributeMatchingVariantSelector(consumerProvidedVariantFinder, attributesSchema, attributesFactory, transformationNodeRegistry, requestedAttributes, false, dependenciesResolverFactory)
when:
def result = selector.select(multiVariantSet)
then:
result.visitDependencies(new TaskDependencyResolveContext() {
@Override
void add(Object dependency) {
assert dependency instanceof DefaultTransformationDependency
assert dependency.transformation == transform1
}
@Override
void maybeAdd(Object dependency) {
}
@Override
void visitFailure(Throwable failure) {
throw failure
}
@Override
Task getTask() {
return null
}
})
1 * attributeMatcher.matches(_, _) >> Collections.emptyList()
1 * consumerProvidedVariantFinder.collectConsumerVariants(variantAttributes, requestedAttributes) >> { args ->
match(otherVariantAttributes, transform1, 2)
}
1 * consumerProvidedVariantFinder.collectConsumerVariants(otherVariantAttributes, requestedAttributes) >> { args ->
match(variantAttributes, transform2, 3)
}
1 * attributeMatcher.matches(_, _) >> { args -> [args[0].get(0)] }
}
def 'can disambiguate between three chains when one subset of both others'() {
given:
def yetAnotherVariantAttributes = AttributeTestUtil.attributes(['artifactType': 'foo'])
def otherVariant = Mock(ResolvedVariant) {
getAttributes() >> otherVariantAttributes
asDescribable() >> Describables.of("mock other resolved variant")
}
def yetAnotherVariant = Mock(ResolvedVariant) {
getAttributes() >> yetAnotherVariantAttributes
asDescribable() >> Describables.of("mock another resolved variant")
}
def multiVariantSet = Mock(ResolvedVariantSet) {
asDescribable() >> Describables.of("mock multi producer")
getVariants() >> [variant, otherVariant, yetAnotherVariant]
}
def transform1 = Mock(Transformation)
def transform2 = Mock(Transformation)
def transform3 = Mock(Transformation)
def selector = new AttributeMatchingVariantSelector(consumerProvidedVariantFinder, attributesSchema, attributesFactory, transformationNodeRegistry, requestedAttributes, false, dependenciesResolverFactory)
when:
def result = selector.select(multiVariantSet)
then:
result.visitDependencies(new TaskDependencyResolveContext() {
@Override
void add(Object dependency) {
assert dependency instanceof DefaultTransformationDependency
assert dependency.transformation == transform3
}
@Override
void maybeAdd(Object dependency) {
}
@Override
void visitFailure(Throwable failure) {
throw failure
}
@Override
Task getTask() {
return null
}
})
1 * attributeMatcher.matches(_, _) >> Collections.emptyList()
2 * attributeMatcher.isMatching(requestedAttributes, requestedAttributes) >> true
1 * consumerProvidedVariantFinder.collectConsumerVariants(variantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform1, 3)
}
1 * consumerProvidedVariantFinder.collectConsumerVariants(otherVariantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform2, 3)
}
1 * consumerProvidedVariantFinder.collectConsumerVariants(yetAnotherVariantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform3, 2)
}
1 * attributeMatcher.matches(_, _) >> { args -> args[0] }
}
def 'can disambiguate 3 equivalent chains by picking shortest'() {
given:
def yetAnotherVariantAttributes = AttributeTestUtil.attributes(['artifactType': 'foo'])
def otherVariant = Mock(ResolvedVariant) {
getAttributes() >> otherVariantAttributes
asDescribable() >> Describables.of("mock other resolved variant")
}
def yetAnotherVariant = Mock(ResolvedVariant) {
getAttributes() >> yetAnotherVariantAttributes
asDescribable() >> Describables.of("mock another resolved variant")
}
def multiVariantSet = Mock(ResolvedVariantSet) {
asDescribable() >> Describables.of("mock multi producer")
getVariants() >> [variant, otherVariant, yetAnotherVariant]
}
def transform1 = Mock(Transformation)
def transform2 = Mock(Transformation)
def transform3 = Mock(Transformation)
def selector = new AttributeMatchingVariantSelector(consumerProvidedVariantFinder, attributesSchema, attributesFactory, transformationNodeRegistry, requestedAttributes, false, dependenciesResolverFactory)
when:
def result = selector.select(multiVariantSet)
then:
result.visitDependencies(new TaskDependencyResolveContext() {
@Override
void add(Object dependency) {
assert dependency instanceof DefaultTransformationDependency
assert dependency.transformation == transform2
}
@Override
void maybeAdd(Object dependency) {
}
@Override
void visitFailure(Throwable failure) {
throw failure
}
@Override
Task getTask() {
return null
}
})
1 * attributeMatcher.matches(_, _) >> Collections.emptyList()
1 * consumerProvidedVariantFinder.collectConsumerVariants(variantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform1, 3)
}
1 * consumerProvidedVariantFinder.collectConsumerVariants(otherVariantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform2, 2)
}
1 * consumerProvidedVariantFinder.collectConsumerVariants(yetAnotherVariantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform3, 3)
}
2 * attributeMatcher.isMatching(requestedAttributes, requestedAttributes) >> true
1 * attributeMatcher.matches(_, _) >> { args -> args[0] }
}
def 'cannot disambiguate 3 chains when 2 different'() {
given:
def yetAnotherVariantAttributes = AttributeTestUtil.attributes(['artifactType': 'foo'])
def otherVariant = Mock(ResolvedVariant) {
getAttributes() >> otherVariantAttributes
asDescribable() >> Describables.of("mock other resolved variant")
}
def yetAnotherVariant = Mock(ResolvedVariant) {
getAttributes() >> yetAnotherVariantAttributes
asDescribable() >> Describables.of("mock another resolved variant")
}
def multiVariantSet = Mock(ResolvedVariantSet) {
asDescribable() >> Describables.of("mock multi producer")
getVariants() >> [variant, otherVariant, yetAnotherVariant]
}
def transform1 = Mock(Transformation)
def transform2 = Mock(Transformation)
def transform3 = Mock(Transformation)
def selector = new AttributeMatchingVariantSelector(consumerProvidedVariantFinder, attributesSchema, attributesFactory, transformationNodeRegistry, requestedAttributes, false, dependenciesResolverFactory)
when:
def result = selector.select(multiVariantSet)
then:
result.visitDependencies(new TaskDependencyResolveContext() {
@Override
void add(Object dependency) {
throw new AssertionError("Expected an exception")
}
@Override
void maybeAdd(Object dependency) {
}
@Override
void visitFailure(Throwable failure) {
assert failure instanceof AmbiguousTransformException
}
@Override
Task getTask() {
return null
}
})
1 * attributeMatcher.matches(_, _) >> Collections.emptyList()
1 * consumerProvidedVariantFinder.collectConsumerVariants(variantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform1, 3)
}
1 * consumerProvidedVariantFinder.collectConsumerVariants(otherVariantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform2, 2)
}
1 * consumerProvidedVariantFinder.collectConsumerVariants(yetAnotherVariantAttributes, requestedAttributes) >> { args ->
match(requestedAttributes, transform3, 3)
}
1 * attributeMatcher.matches(_, _) >> { args -> args[0] }
3 * attributeMatcher.isMatching(requestedAttributes, requestedAttributes) >>> [false, false, true]
}
static ConsumerVariantMatchResult match(ImmutableAttributes output, Transformation trn, int depth) {
def result = new ConsumerVariantMatchResult(2)
result.matched(output, trn, depth)
result
}
}