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ScalaCompileOptionsConfigurerTest.groovy
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ScalaCompileOptionsConfigurerTest.groovy
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/*
* Copyright 2021 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.scala.compile.internal
import org.gradle.api.tasks.scala.ScalaCompileOptions
import org.gradle.api.tasks.scala.internal.ScalaCompileOptionsConfigurer
import org.gradle.jvm.toolchain.JavaLanguageVersion
import org.gradle.jvm.toolchain.internal.JavaToolchain
import org.gradle.util.TestUtil
import spock.lang.Specification
import spock.lang.Subject
@Subject(ScalaCompileOptionsConfigurer)
class ScalaCompileOptionsConfigurerTest extends Specification {
def 'using Java #toolchain and Scala #scalaLibraryVersion results in #expectedTarget'() {
given:
ScalaCompileOptions scalaCompileOptions = TestUtil.newInstance(ScalaCompileOptions)
scalaCompileOptions.additionalParameters = ["-some-other-flag"].asImmutable()
def isScala3 = scalaLibraryVersion.startsWith("3.")
File scalaLibrary = new File(isScala3 ? "scala3-library_3-${scalaLibraryVersion}.jar" : "scala-library-${scalaLibraryVersion}.jar")
Set<File> classpath = [scalaLibrary]
when:
ScalaCompileOptionsConfigurer.configure(scalaCompileOptions, createToolchain(javaToolchain, fallbackToolchain), classpath)
then:
scalaCompileOptions.additionalParameters.last() == expectedTarget
where:
javaToolchain | fallbackToolchain | scalaLibraryVersion | expectedTarget
6 | false | '2.10.0' | '-target:jvm-1.6'
7 | false | '2.10.0' | '-target:jvm-1.7'
6 | false | '2.11.0' | '-target:jvm-1.6'
7 | false | '2.11.0' | '-target:jvm-1.7'
8 | false | '2.10.0' | '-target:jvm-1.8'
8 | false | '2.11.0' | '-target:jvm-1.8'
8 | false | '2.11.12' | '-target:jvm-1.8'
8 | false | '2.12.0' | '-target:jvm-1.8'
8 | false | '2.12.14' | '-target:jvm-1.8'
8 | false | '2.13.0' | '-target:jvm-1.8'
8 | true | '2.13.0' | '-target:jvm-1.8'
11 | true | '2.11.12' | '-target:jvm-1.8'
11 | true | '2.12.0' | '-target:jvm-1.8'
11 | true | '2.12.14' | '-target:jvm-1.8'
11 | true | '2.13.0' | '-target:jvm-1.8'
11 | false | '2.11.12' | '-target:jvm-1.11'
11 | false | '2.12.0' | '-target:jvm-1.11'
11 | false | '2.12.14' | '-target:jvm-1.11'
11 | false | '2.13.0' | '-target:jvm-1.11'
8 | false | '2.13.1' | '-target:8'
9 | false | '2.13.1' | '-target:9'
11 | false | '2.13.1' | '-target:11'
17 | false | '2.13.1' | '-target:17'
17 | false | '2.13.2' | '-target:17'
8 | true | '2.13.1' | '-target:8'
11 | true | '2.13.1' | '-target:8'
17 | true | '2.13.1' | '-target:8'
17 | true | '2.13.2' | '-target:8'
17 | false | '2.13.9' | '-release:17'
17 | false | '2.13.10' | '-release:17'
17 | false | '3.2.1' | '-release:17'
17 | true | '2.13.9' | '-target:8'
17 | true | '2.13.10' | '-target:8'
17 | true | '3.2.1' | '-Xtarget:8'
toolchain = fallbackToolchain ? "$javaToolchain (fallback)" : javaToolchain
}
def 'does not configure target jvm if toolchain is not present'() {
given:
ScalaCompileOptions scalaCompileOptions = TestUtil.newInstance(ScalaCompileOptions)
File scalaLibrary = new File("scala-library-2.11.0.jar")
Set<File> classpath = [scalaLibrary]
when:
ScalaCompileOptionsConfigurer.configure(scalaCompileOptions, null, classpath)
then:
!scalaCompileOptions.additionalParameters
}
def 'does not configure target jvm if scala library is not present or invalid'() {
given:
ScalaCompileOptions scalaCompileOptions = TestUtil.newInstance(ScalaCompileOptions)
File scalaLibrary = new File("scala-invalid-2.11.0.jar")
Set<File> classpath = [scalaLibrary]
when:
ScalaCompileOptionsConfigurer.configure(scalaCompileOptions, createToolchain(8, false), classpath)
then:
!scalaCompileOptions.additionalParameters
where:
scalaFileName << [
"scala-something-else-2.10.0.jar",
"scala-library.jar",
]
}
def 'does not configure target jvm if scala compiler already has a target via #targetFlag flag'() {
given:
ScalaCompileOptions scalaCompileOptions = TestUtil.newInstance(ScalaCompileOptions)
scalaCompileOptions.additionalParameters = [targetFlag]
Set<File> classpath = [new File("scala-library-2.13.1.jar")]
when:
ScalaCompileOptionsConfigurer.configure(scalaCompileOptions, createToolchain(17, false), classpath)
then:
scalaCompileOptions.additionalParameters.find { it == targetFlag }
scalaCompileOptions.additionalParameters.find { it.contains("17") } == null
where:
targetFlag << ['-target:8', '--target:8', '-release:8', '--release:8', '-Xtarget:8', '-java-output-version:8', '-Xunchecked-java-output-version:8']
}
private JavaToolchain createToolchain(int javaVersion, boolean isFallback) {
return Mock(JavaToolchain) {
getLanguageVersion() >> JavaLanguageVersion.of(javaVersion)
isFallbackToolchain() >> isFallback
}
}
}