failure.assertHasResolution("For more information on generating lock state")
        lockfileFixture.expectLockStateMissing('unlockedConf')
    }

    def 'fails if update done without lockfile present'() {
        mavenRepo.module('org', 'foo', '1.0').publish()
        mavenRepo.module('org', 'foo', '1.1').publish()

}
configurations {
    unlockedConf
}

dependencies {
    unlockedConf 'org:foo:1.+'
}
"""

        when:
        succeeds 'dependencies'

        then:
        lockfileFixture.expectLockStateMissing('unlockedConf')
    }

    def "version selector combinations are resolved equally for locked and unlocked configurations"() {
        ['foo', 'foz', 'bar', 'baz'].each { artifact ->

    doLast {
        throw new RuntimeException("Build failed")
    }
}
"""

        when:
        fails 'copyDeps', '--write-locks'

        then:
        lockfileFixture.expectLockStateMissing('conf')
    }

    def 'does not write lock file when dependency resolution fails'() {
        mavenRepo.module('org', 'bar', '1.1').publish()

        buildFile << """
dependencyLocking {

        entries.sort()
        entries.add('empty=' + emptyConfs.join(","))

        assert lockedModules == entries
    }

    void expectLockStateMissing(String configurationName) {
        def lockFile = testDirectory.file(LockFileReaderWriter.UNIQUE_LOCKFILE_NAME)
        if (lockFile.exists()) {
            assert !lockFile.text.contains(configurationName)