src/test/groovy/ClosureMethodsOnFileTest.groovy

/*
 * Copyright 2003-2008 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 groovy

/** 
 * Tests various Closure methods in Groovy on file
 * 
 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
 * @version $Revision: 7355 $
 */
class ClosureMethodsOnFileTest extends GroovyTestCase {
    private File file = new File("src/test/groovy/Bar.groovy")
    private File dir = new File("src/test/groovy")

    protected void setUp() {
        if(!file.exists()) {
            file = new File("Bar.groovy")
        }
        if(!dir.exists()) {
            dir = new File(".")
        }
    }

    void testEachLine() {
        file.eachLine { line -> println(line) }
    }

    void testEachLineWithCount() {
        file.eachLine { line, count -> println "$count > $line" }
    }

    void testReadLines() {
        def lines = file.readLines()
        assert lines != null
        assert lines.size() > 0, "File has: ${lines.size()} line(s)"
    }

    void testEachFile() {
        println("Closure loop to display contents of dir: " + dir)
        dir.eachFile { f -> println(f.getName()) }
        println("")
    }
}