// testExecution sets up boiler plate mocked objects then delegates to a more
// specific tester, then asserts general expectations on the mocked objects.
// It is the responsibility of the inner tester to set up expectations
// and assert specific result conditions.
func testExecution(t *testing.T, commandtester CommandTester) {
	// create mocked objects
	mockCancelFlag := new(task.MockCancelFlag)
	mockExecuter := new(executers.MockCommandExecuter)
	mockS3Uploader := new(pluginutil.MockDefaultPlugin)

	// create plugin
	p := new(Plugin)
	p.StdoutFileName = "stdout"
	p.StderrFileName = "stderr"
	p.MaxStdoutLength = 1000
	p.MaxStderrLength = 1000
	p.OutputTruncatedSuffix = "-more-"
	p.UploadToS3Sync = true
	p.ExecuteCommand = pluginutil.CommandExecuter(mockExecuter.Execute)
	p.ExecuteUploadOutputToS3Bucket = pluginutil.UploadOutputToS3BucketExecuter(mockS3Uploader.UploadOutputToS3Bucket)

	// run inner command tester
	commandtester(p, mockCancelFlag, mockExecuter, mockS3Uploader)

	// assert that the expectations were met
	mockExecuter.AssertExpectations(t)
	mockCancelFlag.AssertExpectations(t)
	mockS3Uploader.AssertExpectations(t)
}