//  Gant -- A Groovy way of scripting Ant tasks.
//
//  Copyright © 2006–2010, 2013, 2014  Russel Winder
//
//  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.gant.tests

/**
 *  A test to ensure that the various include mechanisms work as they should.
 *
 *  @author Russel Winder <russel@winder.org.uk>
 */
final class Include_Test extends GantTestCase {

  ////////////////////////////////////////////////////////////////////////////////////////////////////////////
  ////  NB Instance initializers do not work properly in Groovy.  This means that fields that depend on the
  ////  name of the temporary file must be initialized in the constructor.  Remember, variables in GStrings
  ////  are bound at definition time even though expression execution only occurs at use time.  This means
  ////  any GString depending on the name of the temporary directory must also be initialized in the
  ////  constructor to avoid having the variable bound to null.
  ////////////////////////////////////////////////////////////////////////////////////////////////////////////

  private final File temporaryDirectory
  private final toolClassName = 'ToolClass'
  private final toolBindingName = 'toolClass'
  private final String toolClassFilePath
  private final flobbed = 'flobbed.'
  private final flob = 'flob'
  private final burble = 'burble'
  private final something = 'something'
  private final defaultTarget = 'default'
  private final toolClassText =  """
import org.codehaus.gant.GantBinding
class ${toolClassName} {
  ${toolClassName}(GantBinding binding) { }
  void ${flob}() { println('${flobbed}') }
}
"""
  private final toolBuildScriptBase =  """
target(${something}: '') { ${toolBindingName}.${flob}() }
target('${defaultTarget}': '') { ${something}() }
"""
  private final toolBuildScriptClass =  "includeTool <<  groovyShell.evaluate('''${toolClassText} ; return ${toolClassName}''')\n" + toolBuildScriptBase
  private final String toolBuildScriptFile
  private final toolBuildScriptString =  "includeTool <<  '''${toolClassText}'''\n" + toolBuildScriptBase
  private final String targetsScriptFilePath
  private final targetsScriptText =  """
target(${flob}: '') { println('${flobbed}') }
"""
  private final targetsClassName = 'TargetsClass'
  private final String targetsClassFilePath
  private final targetsClassText =  """
import org.codehaus.gant.GantBinding
class ${targetsClassName} {
  ${targetsClassName}(GantBinding binding) { binding.target.call(${flob}: '') { println('${flobbed}') } }
}
"""
  private final targetsBuildScriptBase =  """
target(${something}: '') { ${flob}() }
target('${defaultTarget}': '') { ${something}() }
"""
  //  Source containing just a class and not a complete script must be turned into a script that
  //  instantiates the class.  Test both correct and errorful behaviour.  Actually the errorful behaviour
  //  causes a null to be returned, so perhaps rather than the evaluate as is we should just use null to
  //  make things really explicit.  As it is though, we are testing that the evaluate really does return
  //  null as well, so maybe leave as is.
   //
   //  Now to the problem of 2009-10-01: Sometime in the last couple of days, in the run up to the Groovy
   //  1.6.5 release, a change was made to the way null.class got processed.  Instead of throwing a NPE it
   //  returns a NullObject.  This of course throwns the whole << overload seraching into new behaviour.
   //  This is a huge change of semantics, and wholly inappropriate for a bug fix release.:-(((
  private final targetsBuildScriptClass =  "includeTargets <<  groovyShell.evaluate('''${targetsScriptText} ; return ${targetsClassName}''', '${targetsClassName}')\n" + targetsBuildScriptBase
  private final targetsErrorBuildScriptClass =  "includeTargets <<  groovyShell.evaluate('''${targetsScriptText}''', '${targetsClassName}')\n" + targetsBuildScriptBase
  private final resultErrorEvaluatingScript = "Standard input, line 1 -- Error evaluating Gantfile: Cannot get property 'name' on null object\n"
  private final String targetsBuildScriptFile
  private final targetsBuildScriptString =  "includeTargets <<  '''${targetsScriptText}'''\n" + targetsBuildScriptBase
  private final targetsBuildClassClass =  "includeTargets <<  groovyShell.evaluate('''${targetsClassText} ; return ${targetsClassName}''')\n" + targetsBuildScriptBase
  //  Source containing just a class and not a complete script must be turned into a script that
  //  instantiates the class.  Test both correct and errorful behaviour
  private final String targetsBuildClassFile
  private final targetsBuildClassString =  "includeTargets <<  '''${targetsClassText} ; binding.classInstanceVariable = new ${targetsClassName}(binding)'''\n" + targetsBuildScriptBase
  private final String targetsErrorBuildClassFile
  private final targetsErrorBuildClassString =  "includeTargets <<  '''${targetsClassText}'''\n" + targetsBuildScriptBase
  private final resultErrorEvaluatingClass = "Standard input, line 1 -- Error evaluating Gantfile: java.lang.InstantiationException: ${targetsClassName}\n"
  private final String nonExistentFilePath
  Include_Test() {
    //////////////////////////////////////////////////////////////////////////////////////////////////////////
    ////  createTempFile delivers a File object that delivers a string for the path that is platform
    ////  specific.  Cannot use // to delimit the strings in the Gant script being created since / is the
    ////  file separator on most OSs.  Have to do something to avoid problems on Windows since '' strings
    ////  still interpret \.  Fortunately Windows will accept / as the path separator, so transform all \ to
    ////  / in all cases.
    //////////////////////////////////////////////////////////////////////////////////////////////////////////
    temporaryDirectory = File.createTempFile('gant-includeTest-',  '-directory')
    def temporaryDirectoryPath = isWindows ? temporaryDirectory.path.replaceAll('\\\\', '/'): temporaryDirectory.path
    toolClassFilePath = temporaryDirectoryPath + '/' + toolClassName + '.groovy'
    toolBuildScriptFile =  "includeTool <<  new File('${toolClassFilePath}')\n" + toolBuildScriptBase
    targetsScriptFilePath = temporaryDirectoryPath +'/targets.gant'
    targetsClassFilePath = temporaryDirectoryPath + '/' + targetsClassName + '.groovy'
    targetsBuildScriptFile =  "includeTargets <<  new File('${targetsScriptFilePath}')\n" + targetsBuildScriptBase
    //  Files containing source code that is a class rahter than a script must be treated as a tool.
    targetsBuildClassFile =  "includeTool <<  new File('${targetsClassFilePath}')\n" + targetsBuildScriptBase
    targetsErrorBuildClassFile =  "includeTargets <<  new File('${targetsClassFilePath}')\n" + targetsBuildScriptBase
    nonExistentFilePath = temporaryDirectoryPath + '/tmp' * 3
  }
  private final String resultFlob = resultString(flob, flobbed + '\n')
  private final String resultSomething = resultString(something, flobbed + '\n')
   private final String resultSomethingFlob = resultString(something, resultFlob)
  private final String resultFlobbedTool(final String target) { resultString(target, resultSomething) }
  private final String resultFlobbedTargets(final String target) { resultString(target, resultString(something, resultString(flob, flobbed + '\n'))) }
  private resultTargetDoesNotExist(String target) { 'Target ' + target + ' does not exist.\n' }
  void setUp() {
    super.setUp()
    temporaryDirectory.delete()
    temporaryDirectory.mkdirs()
    new File(toolClassFilePath).write(toolClassText)
    new File(targetsScriptFilePath).write(targetsScriptText)
    new File(targetsClassFilePath).write(targetsClassText)
  }
  void tearDown() {
    new File(toolClassFilePath).delete()
    new File(targetsScriptFilePath).delete()
    new File(targetsClassFilePath).delete()
    temporaryDirectory.delete()
    super.tearDown()
  }
  void testToolDefaultClass() {
    script = toolBuildScriptClass
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTool(defaultTarget), output)
    assertEquals('', error)
  }
  void testToolDefaultFile() {
    script = toolBuildScriptFile
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTool(defaultTarget), output)
    assertEquals('', error)
  }
  void testToolDefaultString() {
    script = toolBuildScriptString
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTool(defaultTarget), output)
    assertEquals('', error)
  }
  void testToolFlobClass() {
    script = toolBuildScriptClass
    assertEquals(-11, processCmdLineTargets(flob))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(flob), error)
  }
  void testToolFlobFile() {
    script = toolBuildScriptFile
    assertEquals(-11, processCmdLineTargets(flob))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(flob), error)
  }
  void testToolFlobString() {
    script = toolBuildScriptString
    assertEquals(-11, processCmdLineTargets(flob))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(flob), error)
  }
  void testToolBurbleClass() {
    script = toolBuildScriptClass
    assertEquals(-11, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(burble), error)
  }
  void testToolBurbleFile() {
    script = toolBuildScriptFile
    assertEquals(-11, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(burble), error)
  }
  void testToolBurbleString() {
    script = toolBuildScriptString
    assertEquals(-11, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(burble), error)
  }
  void testToolSomethingClass() {
    script = toolBuildScriptClass
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultSomething, output)
    assertEquals('', error)
  }
  void testToolSomethingFile() {
    script = toolBuildScriptFile
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultSomething, output)
    assertEquals('', error)
  }
  void testToolSomethingString() {
    script = toolBuildScriptString
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultSomething, output)
    assertEquals('', error)
  }
  void testToolClassNoFile() {
    script = toolBuildScriptFile.replace(toolClassFilePath, nonExistentFilePath)
    def errorMessage = 'Standard input, line 1 -- Error evaluating Gantfile: java.io.FileNotFoundException: '
    if(isWindows) { errorMessage += nonExistentFilePath.replaceAll('/', '\\\\') + ' (The system cannot find the path specified)\n' }
    else { errorMessage += nonExistentFilePath + ' (No such file or directory)\n' }
    assertEquals(-4, processCmdLineTargets(flob))
    assertEquals('', output)
    assertEquals(errorMessage, error)
  }
  void testTargetsDefaultClassClass() {
    script = targetsBuildClassClass
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTargets(defaultTarget), output)
    assertEquals('', error)
  }
  void testTargetsDefaultClassFile() {
    script = targetsBuildClassFile
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTargets(defaultTarget), output)
    assertEquals('', error)
  }
  void testErrorTargetsDefaultClassFile() {
    script = targetsErrorBuildClassFile
    assertEquals(-4, processCmdLineTargets())
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingClass, error)
  }
  void testTargetsDefaultClassString() {
    script = targetsBuildClassString
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTargets(defaultTarget), output)
    assertEquals('', error)
  }
  void testErrorTargetsDefaultClassString() {
    script = targetsErrorBuildClassString
    assertEquals(-4, processCmdLineTargets())
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingClass, error)
  }
  void testTargetsFlobClassClass() {
    script = targetsBuildClassClass
    assertEquals(0, processCmdLineTargets(flob))
    assertEquals(resultFlob, output)
    assertEquals('', error)
  }
  void testTargetsFlobClassFile() {
    script = targetsBuildClassFile
    assertEquals(0, processCmdLineTargets(flob))
    assertEquals(resultFlob, output)
    assertEquals('', error)
  }
  void testErrorTargetsFlobClassFile() {
    script = targetsErrorBuildClassFile
    assertEquals(-4, processCmdLineTargets(flob))
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingClass, error)
  }
  void testTargetsFlobClassString() {
    script = targetsBuildClassString
    assertEquals(0, processCmdLineTargets(flob))
    assertEquals(resultFlob, output)
    assertEquals('', error)
  }
  void testErrorTargetsFlobClassString() {
    script = targetsErrorBuildClassString
    assertEquals(-4, processCmdLineTargets(flob))
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingClass, error)
  }
  void testTargetsBurbleClassClass() {
    script = targetsBuildClassClass
    assertEquals(-11, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(burble), error)
  }
  void testTargetsBurbleClassFile() {
    script = targetsBuildClassFile
    assertEquals(-11, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(burble), error)
  }
  void testErrorTargetsBurbleClassFile() {
    script = targetsErrorBuildClassFile
    assertEquals(-4, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingClass, error)
  }
  void testTargetsBurbleClassString() {
    script = targetsBuildClassString
    assertEquals(-11, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(burble), error)
  }
  void testErrorTargetsBurbleClassString() {
    script = targetsErrorBuildClassString
    assertEquals(-4, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingClass, error)
  }
  void testTargetsSomethingClassClass() {
    script = targetsBuildClassClass
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultSomethingFlob, output)
    assertEquals('', error)
  }
  void testTargetsSomethingClassFile() {
    script = targetsBuildClassFile
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultSomethingFlob, output)
    assertEquals('', error)
  }
  void testErrorTargetsSomethingClassFile() {
    script = targetsErrorBuildClassFile
    assertEquals(-4, processCmdLineTargets(something))
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingClass, error)
  }
  void testTargetsSomethingClassString() {
    script = targetsBuildClassString
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultSomethingFlob, output)
    assertEquals('', error)
  }
  void testErrorTargetsSomethingClassString() {
    script = targetsErrorBuildClassString
    assertEquals(-4, processCmdLineTargets(something))
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingClass, error)
  }
  void testTargetsClassNoFile() {
    script = targetsBuildClassFile.replace(targetsClassFilePath, nonExistentFilePath)
    assertEquals(-4, processCmdLineTargets(flob))
    //  The returned string is platform dependent and dependent on whether NFS is used to mount stores, or
    //  even RAID.  We therefore choose not to check the output to avoid having large numbers of cases.
  }
  void testTargetsDefaultScriptClass() {
    script = targetsBuildScriptClass
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTargets(defaultTarget), output)
    assertEquals('', error)
  }
  void testErrorTargetsDefaultScriptClass() {
    script = targetsErrorBuildScriptClass
    assertEquals(-4, processCmdLineTargets())
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingScript, error)
  }
  void testTargetsDefaultScriptFile() {
    script = targetsBuildScriptFile
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTargets(defaultTarget), output)
    assertEquals('', error)
  }
  void testTargetsDefaultScriptString() {
    script = targetsBuildScriptString
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTargets(defaultTarget), output)
    assertEquals('', error)
  }
  void testTargetsFlobScriptClass() {
    script = targetsBuildScriptClass
    assertEquals(0, processCmdLineTargets(flob))
    assertEquals(resultFlob, output)
    assertEquals('', error)
  }
  void testErrorTargetsFlobScriptClass() {
    script = targetsErrorBuildScriptClass
    assertEquals(-4, processCmdLineTargets(flob))
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingScript, error)
  }
  void testTargetsFlobScriptFile() {
    script = targetsBuildScriptFile
    assertEquals(0, processCmdLineTargets(flob))
    assertEquals(resultFlob, output)
    assertEquals('', error)
  }
  void testTargetsFlobScriptString() {
    script = targetsBuildScriptString
    assertEquals(0, processCmdLineTargets(flob))
    assertEquals(resultFlob, output)
    assertEquals('', error)
  }
  void testTargetsBurbleScriptClass() {
    script = targetsBuildScriptClass
    assertEquals(-11, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(burble), error)
  }
  void testErrorTargetsBurbleScriptClass() {
    script = targetsErrorBuildScriptClass
    assertEquals(-4, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingScript, error)
  }
  void testTargetsBurbleScriptFile() {
    script = targetsBuildScriptFile
    assertEquals(-11, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(burble), error)
  }
  void testTargetsBurbleScriptString() {
    script = targetsBuildScriptString
    assertEquals(-11, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(burble), error)
  }
  void testTargetsSomethingScriptClass() {
    script = targetsBuildScriptClass
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultSomethingFlob, output)
    assertEquals('', error)
  }
  void testErrorTargetsSomethingScriptClass() {
    script = targetsErrorBuildScriptClass
    assertEquals(-4, processCmdLineTargets(something))
    assertEquals('', output)
    assertEquals(resultErrorEvaluatingScript, error)
  }
  void testTargetsSomethingScriptFile() {
    script = targetsBuildScriptFile
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultSomethingFlob, output)
    assertEquals('', error)
  }
  void testTargetsSomethingScriptString() {
    script = targetsBuildScriptString
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultSomethingFlob, output)
    assertEquals('', error)
  }
  void testTargetsScriptNoFile() {
    script = targetsBuildScriptFile.replace(targetsScriptFilePath, nonExistentFilePath)
    assertEquals(-4, processCmdLineTargets(flob))
    //  The returned string is platform dependent and dependent on whether NFS is used to mount stores, or
    //  even RAID.  We therefore choose not to check the output to avoid having large numbers of cases.
  }

  ////////  Test multiple include of the same targets.

  void testTargetsMultipleIncludeDefaultScriptFile() {
    script = "includeTargets <<  new File('${targetsScriptFilePath}')\n" + targetsBuildScriptFile
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTargets(defaultTarget), output)
    assertEquals('', error)
  }
  void testTargetsMultipleIncludeDefaultScriptString() {
    script = "includeTargets <<  '''${targetsScriptText}'''\n" + targetsBuildScriptString
    assertEquals(0, processCmdLineTargets())
    assertEquals(resultFlobbedTargets(defaultTarget), output)
    assertEquals('', error)
  }
  void testTargetsMultipleIncludeFlobScriptFile() {
    script = "includeTargets <<  new File('${targetsScriptFilePath}')\n" + targetsBuildScriptFile
    assertEquals(0, processCmdLineTargets(flob))
    assertEquals(resultFlob, output)
    assertEquals('', error)
  }
  void testTargetsMultipleIncludeFlobScriptString() {
    script = "includeTargets <<  '''${targetsScriptText}'''\n" + targetsBuildScriptString
    assertEquals(0, processCmdLineTargets(flob))
    assertEquals(resultFlob, output)
    assertEquals('', error)
  }
  void testTargetsMultipleIncludeBurbleScriptFile() {
    def target = 'burble'
    script = "includeTargets <<  new File('${targetsScriptFilePath}')\n" + targetsBuildScriptFile
    assertEquals(-11, processCmdLineTargets(target))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(target), error)
  }
  void testTargetsMultipleIncludeBurbleScriptString() {
    script = "includeTargets <<  '''${targetsScriptText}'''\n" + targetsBuildScriptString
    assertEquals(-11, processCmdLineTargets(burble))
    assertEquals('', output)
    assertEquals(resultTargetDoesNotExist(burble), error)
  }
  void testTargetsMultipleIncludeSomethingScriptFile() {
    script = "includeTargets <<  new File('${targetsScriptFilePath}')\n" + targetsBuildScriptFile
    assertEquals(0, processCmdLineTargets(flob))
    assertEquals(resultFlob, output)
    assertEquals('', error)
  }
  void testTargetsMultipleIncludeSomethingScriptString() {
    script = "includeTargets <<  '''${targetsScriptText}'''\n" + targetsBuildScriptString
    assertEquals(0, processCmdLineTargets(flob))
    assertEquals(resultFlob, output)
    assertEquals('', error)
  }
  void testUsingParameterConstructor() {
    final theToolClassName = 'TheTool'
    final theToolBindingName = 'theTool'
    final theToolClassText = """
import org.codehaus.gant.GantBinding
class ${theToolClassName} {
  ${theToolClassName}(GantBinding binding, Map map) { }
  void ${flob}() { println('${flobbed}') }
}
"""
    script = """
includeTool ** groovyShell.evaluate('''${theToolClassText} ; return ${theToolClassName}''') * [ flob: 'adob', foo: 'bar' ]
target(${something}: '') { ${theToolBindingName}.${flob}() }
"""
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultSomething, output)
    assertEquals('', error)
  }
  //  cf. GANT-29
  void testInlineToolClass() {
    final targetName = 'doit'
    final data = 'data'
    script = """
import org.codehaus.gant.GantBinding
class SampleTool {
  private final Map properties = [ name: '' ]
  SampleTool(GantBinding binding) { properties.binding = binding }
  def getProperty(String name) { properties[name] }
  void setProperty(String name, value) { properties[name] = value }
}
includeTool << SampleTool
target(${targetName}: '') {
  sampleTool.name = '${data}'
  println(sampleTool.name)
}
"""
    assertEquals(0, processCmdLineTargets(targetName))
    assertEquals(resultString(targetName, data + '\n'), output)
    assertEquals('', error)
  }

  //  Make sure that errors are correctly trapped.

  void testErrorPowerNoMultiply() {
    // ** without * is effectively a no-op due to the way things are processed.
    script = """
includeTargets ** gant.targets.Clean
target(${something}: '') { }
"""
    assertEquals(0, processCmdLineTargets(something))
    assertEquals(resultString(something, ''), output)
    assertEquals('', error)
  }
  void testErrorNoPower() {
    // * instead of ** is an error because of the type of the right hand parameter.
    script = """
includeTargets * gant.targets.Clean
target(${something}: '') { }
"""
    assertEquals(-4, processCmdLineTargets(something))
    assertEquals('', output)
    assertEquals('Standard input, line 2 -- Error evaluating Gantfile: No signature of method: org.codehaus.gant.IncludeTargets.multiply() is applicable for argument types: (java.lang.Class) values: [class gant.targets.Clean]\nPossible solutions: multiply(java.util.Map), multiply(java.util.Map)\n', error)
  }
  void testErrorNullPower() {
    script = """
includeTargets ** null * [ ]
target(${something}: '') { }
"""
    assertEquals(-4, processCmdLineTargets(something))
    assertEquals('', output)
    assertEquals('Standard input, line 2 -- Error evaluating Gantfile: wrong number of arguments\n', error)
  }

  //  This test provided by Peter Ledbrook in order to test the change to Gant to allow Script objects to be
  //  used to initialize a Gant object.

  //  TODO:  There needs to be more testing of this feature.

  void testIncludeCompiledScript() {
    def script = '''
testVar = 'Test'
target(aTarget: '') {
  println('Tested.')
}
'''
    final gcl = new GroovyClassLoader()
    final clazz = gcl.parseClass(script)
    final binding = new org.codehaus.gant.GantBinding()
    final includeTargets = new org.codehaus.gant.IncludeTargets(binding)
    includeTargets << clazz
    assertEquals('Test', binding.testVar)
    assertNotNull(binding.aTarget)
  }

}
