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Groovy example source code file (ConditionalInterruptTest.groovy)

This example Groovy source code file (ConditionalInterruptTest.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

conditionalinterrupt, conditionalinterrupt, conditionalinterrupttest, execution, execution, groovyshell, groovytestcase, helper, myclass, myclass, myotherclass, the, the

The Groovy ConditionalInterruptTest.groovy source code

/*
 * Copyright 2008-2010 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.transform

/**
 * Test for {@link ConditionalInterrupt} AST Transformation.
 */
class ConditionalInterruptTest extends GroovyTestCase {

    public void testMethodIsVisited_AndExceptionMessage() {

        def c = new GroovyClassLoader().parseClass('''
            import groovy.transform.ConditionalInterrupt
            @ConditionalInterrupt({ visited = true })
            class MyClass {
              boolean visited = false
              def myMethod() { }
            }
        ''')

        def instance = c.newInstance()
        def message = shouldFail(InterruptedException) {
            instance.myMethod()
        }
        assert message == 'Execution interrupted. The following condition failed: { visited = true }'
        assert instance.visited
    }

    public void testMethodIsVisited_AndCustomExceptionMessage() {

        def c = new GroovyClassLoader(this.class.classLoader).parseClass('''
            import groovy.transform.ConditionalInterrupt
            @ConditionalInterrupt(thrown=groovy.transform.CustomException, value={ visited = true })
            class MyClass {
              boolean visited = false
              def myMethod() { }
            }
        ''')

        def instance = c.newInstance()
        def message = shouldFail(CustomException) {
            instance.myMethod()
        }
        assert message == 'Execution interrupted. The following condition failed: { visited = true }'
        assert instance.visited
    }


    public void testStaticMethodIsNotVisited() {

         def c = new GroovyClassLoader().parseClass('''
            import groovy.transform.ConditionalInterrupt
            @ConditionalInterrupt({ visited = true })
            class MyClass {
              boolean visited = false
              static def myMethod() { }
            }
        ''')

        def instance = c.newInstance()
        instance.myMethod()
        assert !instance.visited
    }

    public void testClosureFieldIsVisited() {

        def c = new GroovyClassLoader().parseClass('''
            import groovy.transform.ConditionalInterrupt
            @ConditionalInterrupt({ visited = true })
            class MyClass {
              boolean visited = false
              def myMethod = { }
            }
        ''')

        def instance = c.newInstance()
        shouldFail(InterruptedException) {
            instance.myMethod()
        }
        assert instance.visited
    }

    public void testWhileLoopVisited() {

        def c = new GroovyClassLoader().parseClass('''
            import groovy.transform.ConditionalInterrupt
            @ConditionalInterrupt({ count > 5 })
            class MyClass {
                int count = 0
                def myMethod = {
                    while (count < 10) {
                        count++
                    }
                }
            }
        ''')

        def instance = c.newInstance()
        shouldFail(InterruptedException) {
            instance.myMethod()
        }
        assert 6 == instance.count
    }

    public void testForLoopVisited() {

        def c = new GroovyClassLoader().parseClass('''
            import groovy.transform.ConditionalInterrupt
            @ConditionalInterrupt({ count > 5 })
            class MyClass {
                int count = 0
                def myMethod = {
                    for (int x = 0; x < 10; x++) {
                        count++
                    }
                }
            }
        ''')

        def instance = c.newInstance()
        shouldFail(InterruptedException) {
            instance.myMethod()
        }
        assert 6 == instance.count
    }

    public void testStaticClosureFieldNotVisited() {

         def c = new GroovyClassLoader().parseClass('''
            import groovy.transform.ConditionalInterrupt
            @ConditionalInterrupt({ visited = true })
            class MyClass {
              boolean visited = false
              static def myMethod = { }
            }
        ''')

        def instance = c.newInstance()
        instance.myMethod()
        assert !instance.visited
    }

    public void testSharedContext() {
        def shell = new GroovyShell()

        def script = shell.parse('''
            import groovy.transform.ConditionalInterrupt

class Helper {
  static int i=0
  static def shouldInterrupt() { i++>1 }
}

@ConditionalInterrupt({ Helper.shouldInterrupt() })
class MyClass {
   def myMethod() { }
}

@ConditionalInterrupt({ Helper.shouldInterrupt() })
class MyOtherClass {
   def myOtherMethod() { new MyClass().myMethod() }
}

new MyOtherClass().myOtherMethod()
''', 'myScript')
        shouldFail(InterruptedException) {
            script.run()
        }
    }
}

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