| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.poi.ss.formula; |
| |
| import junit.framework.TestCase; |
| import org.apache.poi.hssf.usermodel.*; |
| import org.apache.poi.ss.formula.atp.AnalysisToolPak; |
| import org.apache.poi.ss.formula.eval.ErrorEval; |
| import org.apache.poi.ss.formula.eval.FunctionEval; |
| import org.apache.poi.ss.formula.eval.NotImplementedException; |
| import org.apache.poi.ss.formula.eval.ValueEval; |
| import org.apache.poi.ss.formula.functions.FreeRefFunction; |
| import org.apache.poi.ss.formula.functions.Function; |
| import org.apache.poi.ss.usermodel.CellValue; |
| |
| /** |
| * |
| * @author Yegor Kozlov |
| */ |
| public class TestFunctionRegistry extends TestCase { |
| |
| public void testRegisterInRuntime() { |
| HSSFWorkbook wb = new HSSFWorkbook(); |
| HSSFSheet sheet = wb.createSheet("Sheet1"); |
| HSSFRow row = sheet.createRow(0); |
| HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb); |
| |
| HSSFCell cellA = row.createCell(0); |
| cellA.setCellFormula("FISHER(A5)"); |
| CellValue cv; |
| try { |
| cv = fe.evaluate(cellA); |
| fail("expectecd exception"); |
| } catch (NotImplementedException e) { |
| } |
| |
| FunctionEval.registerFunction("FISHER", new Function() { |
| @Override |
| public ValueEval evaluate(ValueEval[] args, int srcRowIndex, int srcColumnIndex) { |
| return ErrorEval.NA; |
| } |
| }); |
| |
| cv = fe.evaluate(cellA); |
| assertEquals(ErrorEval.NA.getErrorCode(), cv.getErrorValue()); |
| |
| HSSFCell cellB = row.createCell(1); |
| cellB.setCellFormula("CUBEMEMBERPROPERTY(A5)"); |
| try { |
| cv = fe.evaluate(cellB); |
| fail("expectecd exception"); |
| } catch (NotImplementedException e) { |
| } |
| |
| AnalysisToolPak.registerFunction("CUBEMEMBERPROPERTY", new FreeRefFunction() { |
| @Override |
| public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) { |
| return ErrorEval.NUM_ERROR; |
| } |
| }); |
| |
| cv = fe.evaluate(cellB); |
| assertEquals(ErrorEval.NUM_ERROR.getErrorCode(), cv.getErrorValue()); |
| } |
| |
| public void testExceptions() { |
| Function func = new Function() { |
| @Override |
| public ValueEval evaluate(ValueEval[] args, int srcRowIndex, int srcColumnIndex) { |
| return ErrorEval.NA; |
| } |
| }; |
| try { |
| FunctionEval.registerFunction("SUM", func); |
| fail("expectecd exception"); |
| } catch (IllegalArgumentException e){ |
| assertEquals("POI already implememts SUM" + |
| ". You cannot override POI's implementations of Excel functions", e.getMessage()); |
| } |
| try { |
| FunctionEval.registerFunction("SUMXXX", func); |
| fail("expectecd exception"); |
| } catch (IllegalArgumentException e){ |
| assertEquals("Unknown function: SUMXXX", e.getMessage()); |
| } |
| try { |
| FunctionEval.registerFunction("ISODD", func); |
| fail("expectecd exception"); |
| } catch (IllegalArgumentException e){ |
| assertEquals("ISODD is a function from the Excel Analysis Toolpack. " + |
| "Use AnalysisToolpack.registerFunction(String name, FreeRefFunction func) instead.", e.getMessage()); |
| } |
| |
| FreeRefFunction atpFunc = new FreeRefFunction() { |
| @Override |
| public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) { |
| return ErrorEval.NUM_ERROR; |
| } |
| }; |
| try { |
| AnalysisToolPak.registerFunction("ISODD", atpFunc); |
| fail("expectecd exception"); |
| } catch (IllegalArgumentException e){ |
| assertEquals("POI already implememts ISODD" + |
| ". You cannot override POI's implementations of Excel functions", e.getMessage()); |
| } |
| try { |
| AnalysisToolPak.registerFunction("ISODDXXX", atpFunc); |
| fail("expectecd exception"); |
| } catch (IllegalArgumentException e){ |
| assertEquals("ISODDXXX is not a function from the Excel Analysis Toolpack.", e.getMessage()); |
| } |
| try { |
| AnalysisToolPak.registerFunction("SUM", atpFunc); |
| fail("expectecd exception"); |
| } catch (IllegalArgumentException e){ |
| assertEquals("SUM is a built-in Excel function. " + |
| "Use FunctoinEval.registerFunction(String name, Function func) instead.", e.getMessage()); |
| } |
| } |
| } |