using ClosedXML.Excel;
using ClosedXML.Excel.Drawings;
using ClosedXML_Tests.Utils;
using NUnit.Framework;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace ClosedXML_Tests.Excel
{
// Tests in this fixture test only the successful loading of existing Excel files,
// i.e. we test that ClosedXML doesn't choke on a given input file
// These tests DO NOT test that ClosedXML successfully recognises all the Excel parts or that it can successfully save those parts again.
[TestFixture]
public class LoadingTests
{
[Test]
public void CanSuccessfullyLoadFiles()
{
var files = new List<string>()
{
@"Misc\TableWithCustomTheme.xlsx",
@"Misc\EmptyTable.xlsx",
@"Misc\LoadPivotTables.xlsx",
@"Misc\LoadFileWithCustomSheetViews.xlsx",
@"Misc\LoadSheetsWithCommas.xlsx",
@"Misc\ExcelProducedWorkbookWithImages.xlsx",
@"Misc\InvalidPrintTitles.xlsx",
@"Misc\ExcelProducedWorkbookWithImages.xlsx",
@"Misc\EmptyCellValue.xlsx",
@"Misc\AllShapes.xlsx",
@"Misc\TableHeadersWithLineBreaks.xlsx",
@"Misc\TableWithNameNull.xlsx",
@"Misc\DuplicateImageNames.xlsx",
@"Misc\InvalidPrintArea.xlsx",
@"Misc\Date1904System.xlsx",
@"Misc\LoadImageWithoutTransform2D.xlsx"
};
foreach (var file in files)
{
TestHelper.LoadFile(file);
}
}
[Test]
public void CanLoadAndManipulateFileWithEmptyTable()
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\EmptyTable.xlsx")))
using (var wb = new XLWorkbook(stream))
{
var ws = wb.Worksheets.First();
var table = ws.Tables.First();
table.DataRange.InsertRowsBelow(5);
}
}
[Test]
public void CanLoadDate1904SystemCorrectly()
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\Date1904System.xlsx")))
using (var ms = new MemoryStream())
{
using (var wb = new XLWorkbook(stream))
{
var ws = wb.Worksheets.First();
var c = ws.Cell("A2");
Assert.AreEqual(XLDataType.DateTime, c.DataType);
Assert.AreEqual(new DateTime(2017, 10, 27, 21, 0, 0), c.GetDateTime());
wb.SaveAs(ms);
}
ms.Seek(0, SeekOrigin.Begin);
using (var wb = new XLWorkbook(ms))
{
var ws = wb.Worksheets.First();
var c = ws.Cell("A2");
Assert.AreEqual(XLDataType.DateTime, c.DataType);
Assert.AreEqual(new DateTime(2017, 10, 27, 21, 0, 0), c.GetDateTime());
wb.SaveAs(ms);
}
}
}
[Test]
public void CanLoadAndSaveFileWithMismatchingSheetIdAndRelId()
{
// This file's workbook.xml contains:
// <x:sheet name="Data" sheetId="13" r:id="rId1" />
// and the mismatch between the sheetId and r:id can create problems.
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\FileWithMismatchSheetIdAndRelId.xlsx")))
using (var wb = new XLWorkbook(stream))
{
using (var ms = new MemoryStream())
{
wb.SaveAs(ms, true);
}
}
}
[Test]
public void CanLoadBasicPivotTable()
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\LoadPivotTables.xlsx")))
using (var wb = new XLWorkbook(stream))
{
var ws = wb.Worksheet("PivotTable1");
var pt = ws.PivotTable("PivotTable1");
Assert.AreEqual("PivotTable1", pt.Name);
Assert.AreEqual(1, pt.RowLabels.Count());
Assert.AreEqual("Name", pt.RowLabels.Single().SourceName);
Assert.AreEqual(1, pt.ColumnLabels.Count());
Assert.AreEqual("Month", pt.ColumnLabels.Single().SourceName);
var pv = pt.Values.Single();
Assert.AreEqual("Sum of NumberOfOrders", pv.CustomName);
Assert.AreEqual("NumberOfOrders", pv.SourceName);
}
}
[Test]
public void CanLoadOrderedPivotTable()
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\LoadPivotTables.xlsx")))
using (var wb = new XLWorkbook(stream))
{
var ws = wb.Worksheet("OrderedPivotTable");
var pt = ws.PivotTable("OrderedPivotTable");
Assert.AreEqual(XLPivotSortType.Ascending, pt.RowLabels.Single().SortType);
Assert.AreEqual(XLPivotSortType.Descending, pt.ColumnLabels.Single().SortType);
}
}
[Test]
public void CanLoadPivotTableSubtotals()
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\LoadPivotTables.xlsx")))
using (var wb = new XLWorkbook(stream))
{
var ws = wb.Worksheet("PivotTableSubtotals");
var pt = ws.PivotTable("PivotTableSubtotals");
var subtotals = pt.RowLabels.Get("Group").Subtotals.ToArray();
Assert.AreEqual(3, subtotals.Length);
Assert.AreEqual(XLSubtotalFunction.Average, subtotals[0]);
Assert.AreEqual(XLSubtotalFunction.Count, subtotals[1]);
Assert.AreEqual(XLSubtotalFunction.Sum, subtotals[2]);
}
}
/// <summary>
/// For non-English locales, the default style ("Normal" in English) can be
/// another piece of text (e.g. ??????? in Russian).
/// This test ensures that the default style is correctly detected and
/// no style conflicts occur on save.
/// </summary>
[Test]
public void CanSaveFileWithDefaultStyleNameNotInEnglish()
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\FileWithDefaultStyleNameNotInEnglish.xlsx")))
using (var wb = new XLWorkbook(stream))
{
using (var ms = new MemoryStream())
{
wb.SaveAs(ms, true);
}
}
}
/// <summary>
/// As per https://msdn.microsoft.com/en-us/library/documentformat.openxml.spreadsheet.cellvalues(v=office.15).aspx
/// the 'Date' DataType is available only in files saved with Microsoft Office
/// In other files, the data type will be saved as numeric
/// ClosedXML then deduces the data type by inspecting the number format string
/// </summary>
[Test]
public void CanLoadLibreOfficeFileWithDates()
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\LibreOfficeFileWithDates.xlsx")))
using (var wb = new XLWorkbook(stream))
{
var ws = wb.Worksheets.First();
foreach (var cell in ws.CellsUsed())
{
Assert.AreEqual(XLDataType.DateTime, cell.DataType);
}
}
}
[Test]
public void CanLoadFileWithImagesWithCorrectAnchorTypes()
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Examples\ImageHandling\ImageAnchors.xlsx")))
using (var wb = new XLWorkbook(stream))
{
var ws = wb.Worksheets.First();
Assert.AreEqual(2, ws.Pictures.Count);
Assert.AreEqual(XLPicturePlacement.FreeFloating, ws.Pictures.First().Placement);
Assert.AreEqual(XLPicturePlacement.Move, ws.Pictures.Skip(1).First().Placement);
var ws2 = wb.Worksheets.Skip(1).First();
Assert.AreEqual(1, ws2.Pictures.Count);
Assert.AreEqual(XLPicturePlacement.MoveAndSize, ws2.Pictures.First().Placement);
}
}
[Test]
public void CanLoadFileWithImagesWithCorrectImageType()
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Examples\ImageHandling\ImageFormats.xlsx")))
using (var wb = new XLWorkbook(stream))
{
var ws = wb.Worksheets.First();
Assert.AreEqual(1, ws.Pictures.Count);
Assert.AreEqual(XLPictureFormat.Jpeg, ws.Pictures.First().Format);
var ws2 = wb.Worksheets.Skip(1).First();
Assert.AreEqual(1, ws2.Pictures.Count);
Assert.AreEqual(XLPictureFormat.Png, ws2.Pictures.First().Format);
}
}
[Test]
public void CanLoadAndDeduceAnchorsFromExcelGeneratedFile()
{
// This file was produced by Excel. It contains 3 images, but the latter 2 were copied from the first.
// There is actually only 1 embedded image if you inspect the file's internals.
// Additionally, Excel saves all image anchors as TwoCellAnchor, but uses the EditAs attribute to distinguish the types
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\ExcelProducedWorkbookWithImages.xlsx")))
using (var wb = new XLWorkbook(stream))
{
var ws = wb.Worksheets.First();
Assert.AreEqual(3, ws.Pictures.Count);
Assert.AreEqual(XLPicturePlacement.MoveAndSize, ws.Picture("Picture 1").Placement);
Assert.AreEqual(XLPicturePlacement.Move, ws.Picture("Picture 2").Placement);
Assert.AreEqual(XLPicturePlacement.FreeFloating, ws.Picture("Picture 3").Placement);
using (var ms = new MemoryStream())
wb.SaveAs(ms, true);
}
}
[Test]
public void CanLoadFromTemplate()
{
using (var tf1 = new TemporaryFile())
using (var tf2 = new TemporaryFile())
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\AllShapes.xlsx")))
using (var wb = new XLWorkbook(stream))
{
// Save as temporary file
wb.SaveAs(tf1.Path);
}
var workbook = XLWorkbook.OpenFromTemplate(tf1.Path);
Assert.True(workbook.Worksheets.Any());
Assert.Throws<InvalidOperationException>(() => workbook.Save());
workbook.SaveAs(tf2.Path);
}
}
/// <summary>
/// Excel escapes symbol ' in worksheet title so we have to process this correctly.
/// </summary>
[Test]
public void CanOpenWorksheetWithEscapedApostrophe()
{
string title = "";
TestDelegate openWorkbook = () =>
{
using (var stream = TestHelper.GetStreamFromResource(TestHelper.GetResourcePath(@"Misc\EscapedApostrophe.xlsx")))
using (var wb = new XLWorkbook(stream))
{
var ws = wb.Worksheets.First();
title = ws.Name;
}
};
Assert.DoesNotThrow(openWorkbook);
Assert.AreEqual("L'E", title);
}
[Test]
public void CanRoundTripSheetProtectionForObjects()
{
using (var book = new XLWorkbook())
{
var sheet = book.AddWorksheet("TestSheet");
sheet.Protect()
.SetObjects(true)
.SetScenarios(true);
using (var xlStream = new MemoryStream())
{
book.SaveAs(xlStream);
using (var persistedBook = new XLWorkbook(xlStream))
{
var persistedSheet = persistedBook.Worksheets.Worksheet(1);
Assert.AreEqual(sheet.Protection.Objects, persistedSheet.Protection.Objects);
}
}
}
}
[Test]
[TestCase("A1*10", "1230")]
[TestCase("A1/10", "12.3")]
[TestCase("A1&\" cells\"", "123 cells")]
[TestCase("A1&\"000\"", "123000")]
[TestCase("ISNUMBER(A1)", "True")]
[TestCase("ISBLANK(A1)", "False")]
[TestCase("DATE(2018,1,28)", "43128")]
public void LoadFormulaCachedValue(string formula, object expectedValue)
{
using (var ms = new MemoryStream())
{
using (XLWorkbook book1 = new XLWorkbook())
{
var sheet = book1.AddWorksheet("sheet1");
sheet.Cell("A1").Value = 123;
sheet.Cell("A2").FormulaA1 = formula;
var options = new SaveOptions { EvaluateFormulasBeforeSaving = true };
book1.SaveAs(ms, options);
}
ms.Position = 0;
using (XLWorkbook book2 = new XLWorkbook(ms))
{
var ws = book2.Worksheet(1);
var storedValueA2 = ws.Cell("A2").ValueCached;
Assert.IsTrue(ws.Cell("A2").NeedsRecalculation);
Assert.AreEqual(expectedValue, storedValueA2);
}
}
}
}
}
