Groovy example source code file (ImportCustomizerTest.groovy)

This example Groovy source code file (ImportCustomizerTest.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

ai, atomicinteger, atomicinteger, compilerconfiguration, groovyshell, groovyshell, groovytestcase, importcustomizer, importcustomizertest, inner, inner, pi, pi, simpledateformat

The Groovy ImportCustomizerTest.groovy source code

/*
 * Copyright 2003-2011 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.codehaus.groovy.control.customizers

import org.codehaus.groovy.control.CompilerConfiguration

/**
 * Tests the import customizer.
 */
class ImportCustomizerTest extends GroovyTestCase {
    CompilerConfiguration configuration
    ImportCustomizer importCustomizer

    void setUp() {
        configuration = new CompilerConfiguration()
        importCustomizer = new ImportCustomizer()
        configuration.addCompilationCustomizers(importCustomizer)
    }

    void testAddImport() {
        importCustomizer.addImports("java.util.concurrent.atomic.AtomicInteger")
        def shell = new GroovyShell(configuration)
        shell.evaluate("new AtomicInteger(0)")
        // no exception means success
    }

    void testAddImportWithAlias() {
        importCustomizer.addImport("AI","java.util.concurrent.atomic.AtomicInteger")
        def shell = new GroovyShell(configuration)
        shell.evaluate("new AI(0)")
        // no exception means success
    }

    void testAddInnerClassImport() {
        importCustomizer.addImports("org.codehaus.groovy.control.customizers.ImportCustomizerTest.Inner")
        def shell = new GroovyShell(configuration)
        shell.evaluate("new Inner()")
        // no exception means success
    }

    void testAddInnerClassImport2() {
        importCustomizer.addImports("org.codehaus.groovy.control.customizers.ImportCustomizerTest")
        def shell = new GroovyShell(configuration)
        shell.evaluate("new ImportCustomizerTest.Inner()")
        // no exception means success
    }

    void testAddStaticImport() {
        importCustomizer.addStaticImport("java.lang.Math", "PI")
        def shell = new GroovyShell(configuration)
        shell.evaluate("PI")
        // no exception means success
    }

    void testAddStaticImportWithAlias() {
        importCustomizer.addStaticImport("pi","java.lang.Math", "PI")
        def shell = new GroovyShell(configuration)
        shell.evaluate("pi")
        // no exception means success
    }

    void testAddStaticStarImport() {
        importCustomizer.addStaticStars("java.lang.Math")
        def shell = new GroovyShell(configuration)
        shell.evaluate("PI")
        // no exception means success
    }

    void testAddStarImport() {
        importCustomizer.addStarImports("java.util.concurrent.atomic")
        def shell = new GroovyShell(configuration)
        shell.evaluate("new AtomicInteger(0)")
        // no exception means success
    }

    void testAddImports() {
        importCustomizer.addImports("java.util.concurrent.atomic.AtomicInteger","java.util.concurrent.atomic.AtomicLong")
        def shell = new GroovyShell(configuration)
        shell.evaluate("""new AtomicInteger(0)
        new AtomicLong(0)""")
        // no exception means success
    }

    void testAddImportsOnScriptEngine() {
        File script = File.createTempFile('test', '.groovy')
            script.deleteOnExit()
            script.write """
            println new SimpleDateFormat()
        """

        importCustomizer.addImports 'java.text.SimpleDateFormat'

        // Run script with script engine: this will not work, import customizer is not used
        GroovyScriptEngine scriptEngine = new GroovyScriptEngine(script.parent)
        scriptEngine.setConfig configuration
        scriptEngine.run script.name, new Binding()
    }

    protected static class Inner {}
}