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commit 915895d8965a60cd37fc805b26e6b9ea3fda1e41 Author: Paul King <[email protected]> AuthorDate: Wed May 6 11:01:25 2026 +1000 GROOVY-11996: Provide a groovy.truth.file.exists.enabled system property which when false reverts to Groovy 4 behavior (test) --- .../groovy/groovy/FileExistsDisabledTest.groovy | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) diff --git a/src/test/groovy/groovy/FileExistsDisabledTest.groovy b/src/test/groovy/groovy/FileExistsDisabledTest.groovy new file mode 100644 index 0000000000..9e1eac1089 --- /dev/null +++ b/src/test/groovy/groovy/FileExistsDisabledTest.groovy @@ -0,0 +1,80 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 groovy + +import groovy.junit6.plugin.ForkedJvm +import org.junit.jupiter.api.Test + +import java.nio.file.Files +import java.nio.file.Path + +/** + * Tests that when {@code groovy.truth.file.exists.enabled=false}, GROOVY-11996 + * restores the pre-Groovy-5 behavior where any non-null {@link File} or + * {@link Path} is truthy regardless of whether the underlying file exists. + * <p> + * Each test runs in a freshly forked JVM with the property set, so that + * {@code ResourceGroovyMethods.FILE_EXISTS_ENABLED} is initialised to + * {@code false} at class load. + */ +@ForkedJvm(systemProperties = ['groovy.truth.file.exists.enabled=false']) +final class FileExistsDisabledTest { + + @Test + void existingFileIsTruthy() { + File f = File.createTempFile('present', '.txt') + f.deleteOnExit() + assert f.exists() + assert f + } + + @Test + void missingFileIsTruthy() { + File f = new File(System.getProperty('java.io.tmpdir'), "missing-${UUID.randomUUID()}.txt") + assert !f.exists() + assert f + } + + @Test + void nullFileIsFalsy() { + File f = null + assert !f + } + + @Test + void existingPathIsTruthy() { + Path p = Files.createTempFile('present', '.txt') + p.toFile().deleteOnExit() + assert Files.exists(p) + assert p + } + + @Test + void missingPathIsTruthy() { + Path p = Path.of(System.getProperty('java.io.tmpdir'), "missing-${UUID.randomUUID()}.txt") + assert !Files.exists(p) + assert p + } + + @Test + void nullPathIsFalsy() { + Path p = null + assert !p + } +}
