/*
 * Copyright 2017 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.ivyservice.moduleconverter

import org.gradle.api.internal.artifacts.DefaultModuleIdentifier
import org.gradle.api.internal.artifacts.ImmutableModuleIdentifierFactory
import org.gradle.api.internal.artifacts.Module
import org.gradle.api.internal.artifacts.component.ComponentIdentifierFactory
import org.gradle.api.internal.artifacts.configurations.ConfigurationsProvider
import org.gradle.api.internal.artifacts.configurations.DependencyMetaDataProvider
import org.gradle.api.internal.artifacts.configurations.MutationValidator
import org.gradle.api.internal.artifacts.dsl.dependencies.DependencyLockingProvider
import org.gradle.api.internal.project.ProjectStateRegistry
import org.gradle.internal.component.external.model.DefaultModuleComponentIdentifier
import spock.lang.Specification
import spock.lang.Unroll

class DefaultRootComponentMetadataBuilderTest extends Specification {

    DependencyMetaDataProvider metaDataProvider = Mock() {
        getModule() >> Mock(Module)
    }
    ComponentIdentifierFactory componentIdentifierFactory = Mock()
    ImmutableModuleIdentifierFactory moduleIdentifierFactory = Mock()
    LocalComponentMetadataBuilder configurationComponentMetaDataBuilder = Mock()
    def configurationsProvider = Stub(ConfigurationsProvider) {
        getAll() >> ([] as Set)
    }
    ProjectStateRegistry projectStateRegistry = Mock()
    DependencyLockingProvider dependencyLockingProvider = Mock()

    def mid = DefaultModuleIdentifier.newId('foo', 'bar')

    def builder = new DefaultRootComponentMetadataBuilder(
        metaDataProvider,
        componentIdentifierFactory,
        moduleIdentifierFactory,
        configurationComponentMetaDataBuilder,
        configurationsProvider,
        projectStateRegistry,
        dependencyLockingProvider)

    def "caches root component metadata"() {
        componentIdentifierFactory.createComponentIdentifier(_) >> {
            new DefaultModuleComponentIdentifier(mid, '1.0')
        }
        def root = builder.toRootComponentMetaData()

        when:
        def otherRoot = builder.toRootComponentMetaData()

        then:
        otherRoot.is(root)
    }

    def "doesn't cache root component metadata when module identifier changes"() {
        1 * componentIdentifierFactory.createComponentIdentifier(_) >> {
            new DefaultModuleComponentIdentifier(mid, '1.0')
        }
        def root = builder.toRootComponentMetaData()

        when:
        componentIdentifierFactory.createComponentIdentifier(_) >> {
            new DefaultModuleComponentIdentifier(DefaultModuleIdentifier.newId('foo', 'baz'), '1.0')
        }

        def otherRoot = builder.toRootComponentMetaData()

        then:
        !otherRoot.is(root)
    }

    @Unroll
    def "caching of component metadata when #mutationType change"() {
        componentIdentifierFactory.createComponentIdentifier(_) >> {
            new DefaultModuleComponentIdentifier(mid, '1.0')
        }
        def root = builder.toRootComponentMetaData()

        when:
        builder.validator.validateMutation(mutationType)
        def otherRoot = builder.toRootComponentMetaData()

        then:
        otherRoot.is(root) == cached

        where:
        mutationType                                | cached
        MutationValidator.MutationType.DEPENDENCIES | false
        MutationValidator.MutationType.ARTIFACTS    | false
        MutationValidator.MutationType.ROLE         | true
        MutationValidator.MutationType.STRATEGY     | true
    }

}
