| /* |
| * 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.test.GroovyTestCase |
| |
| import java.util.concurrent.CountDownLatch |
| import java.util.concurrent.TimeUnit |
| |
| /** |
| * Test case for the eachObject method on a file containing |
| * zero, one or more objects (object stream). Also test cases |
| * for eachDir, eachFileMatch and runAfter methods. |
| */ |
| class GroovyClosureMethodsTest extends GroovyTestCase { |
| |
| private String dirname_target = "target" |
| private String dirname_source = "src/test/groovy" |
| |
| private String filename = "${dirname_target}/GroovyClosureMethodsTest.each.object" |
| |
| void testEachObjectMany() { |
| def file = new File(filename) |
| def oos = new ObjectOutputStream(new FileOutputStream(file)) |
| def list = [1, 2, 3, "foo", 9, "bar", 191, file, 9129] |
| list.each { |
| oos.writeObject(it) |
| } |
| |
| int c = 0 |
| file.eachObject { |
| c++ |
| } |
| assert list.size() == c |
| //ensure to remove the created file |
| file.delete() |
| } |
| |
| void testEachObjectOne() { |
| def file = new File(filename) |
| def oos = new ObjectOutputStream(new FileOutputStream(file)) |
| oos.writeObject(file) |
| |
| int c = 0 |
| file.eachObject { |
| c++ |
| } |
| assert c == 1 |
| //ensure to remove the created file |
| file.delete() |
| } |
| |
| void testEachObjectEmptyFile() { |
| def file = new File(filename) |
| def oos = new ObjectOutputStream(new FileOutputStream(file)) |
| |
| int c = 0 |
| file.eachObject { |
| print "${it} " |
| c++ |
| } |
| assert c == 0 |
| //ensure to remove the created file |
| file.delete() |
| } |
| |
| void testEachObjectNullFile() { |
| def file = new File(filename) |
| def oos = new ObjectOutputStream(new FileOutputStream(file)) |
| oos.writeObject(null) |
| oos.writeObject("foo") |
| oos.writeObject(null) |
| |
| int c = 0 |
| file.eachObject { |
| c++ |
| } |
| assert c == 3 |
| //ensure to remove the created file |
| file.delete() |
| } |
| |
| void testEachDir() { |
| def dir = new File(dirname_source) |
| |
| int c = 0 |
| dir.eachDir { |
| c++ |
| } |
| assert c > 0 |
| } |
| |
| void testEachFileMatch() { |
| def file = new File(dirname_source) |
| |
| int c = 0 |
| file.eachFileMatch(~"^Groovy.*") { |
| c++ |
| } |
| assert c > 0 |
| |
| c = 0 |
| file.eachFileMatch(~"^Closure.*") { |
| c++ |
| } |
| assert c > 0 |
| |
| c = 0 |
| file.eachFileMatch(~"^GroovyClosureMethodsTest.groovy") { |
| c++ |
| } |
| assert c == 1 |
| } |
| |
| void testEachFileOnNonExistingDir() { |
| shouldFail { |
| File dir = new File("SomeNonExistingDir") |
| dir.eachFile { |
| println "${it} " |
| } |
| } |
| } |
| |
| void testEachFileOnNonDirFile() { |
| shouldFail { |
| File dir = new File("${dirname_source}/GroovyClosureMethodsTest.groovy") |
| dir.eachFile { |
| println "${it} " |
| } |
| } |
| } |
| |
| void testRunAfter() { |
| CountDownLatch latch = new CountDownLatch(1) |
| new Timer().runAfter(50) { |
| latch.countDown() |
| } |
| assert latch.getCount() == 1 |
| latch.await(2000L, TimeUnit.MILLISECONDS) |
| assert latch.getCount() == 0 |
| } |
| |
| void testSplitEachLine() { |
| String s = """A B C D |
| E F G H |
| 1 2 3 4 |
| """ |
| Reader reader = new StringReader(s) |
| def all_lines = [] |
| reader.splitEachLine(" ") { list -> |
| all_lines << list |
| } |
| assert all_lines == [["A", "B", "C", "D"], ["E", "F", "G", "H"], ["1", "2", "3", "4"]] |
| } |
| |
| void testSplitEachLineVarArgClosure() { |
| String s = """A B C D |
| E F G H |
| 1 2 3 4 |
| """ |
| Reader reader = new StringReader(s) |
| def all_lines = [] |
| reader.splitEachLine(" ") { a, b, c, d -> |
| all_lines << [a, b, c, d] |
| } |
| assert all_lines == [["A", "B", "C", "D"], ["E", "F", "G", "H"], ["1", "2", "3", "4"]] |
| } |
| |
| void testSplitEachLinePattern() { |
| String s = """A B C D |
| E F G H |
| 1 2 3 4 |
| """ |
| def all_lines = [] |
| s.splitEachLine(~" ") { list -> |
| all_lines << list |
| } |
| assert all_lines == [["A", "B", "C", "D"], ["E", "F", "G", "H"], ["1", "2", "3", "4"]] |
| } |
| |
| } |