将映射文件复制到名为Test_Performance_WithFilledExcelFile C#的其他文件夹

Question

   public void Test_Performance_WithFilledExcelFile()
    {
        // given
        var lorenzBahlsenCicToExcelJobWorker = new LorenzBahlsenCicToExcelJobWorker();
        var environment = new TestEnvironment(lorenzBahlsenCicToExcelJobWorker, nameof(Test_Performance_WithFilledExcelFile));

        string binDirectory = Path.GetDirectoryName(GetType().GetTypeInfo().Assembly.Location);
        var testFile = Path.Combine(binDirectory, "TestFiles", CICSynchronisedTestFile);

        var excelFileCurrent = Path.Combine(binDirectory, "TestFiles", "next_delivery.xlsx");
        var excelFolderTarget = environment.EnvironmentDataStoragePath;


        File.Copy(excelFileCurrent, excelFolderTarget);
     }

我有一个关于复制文件的问题，为什么当我要将文件复制到目标时，我有一个异常：

“无法加载指定的文件”

但是，在调试代码时，有一个异常：

目标文件'C:\Project\lorenz-bahlsen\LorenzBahlsen.CICtoExcel.Test\bin\Debug\netcoreapp1.1\Environments\Test_Performance_WithFilledExcelFile\data-storage‘是一个目录，而不是文件。

你能帮我找到解决办法吗？

Answer 1

根据文档，File.Copy期望您提供目标文件名，而不是文件夹名。所以，在您的例子中，应该是：

 public void Test_Performance_WithFilledExcelFile()
    {
        // given
        var lorenzBahlsenCicToExcelJobWorker = new LorenzBahlsenCicToExcelJobWorker();
        var environment = new TestEnvironment(lorenzBahlsenCicToExcelJobWorker, nameof(Test_Performance_WithFilledExcelFile));

        string binDirectory = Path.GetDirectoryName(GetType().GetTypeInfo().Assembly.Location);
        var testFile = Path.Combine(binDirectory, "TestFiles", CICSynchronisedTestFile);

        var excelFileCurrent = Path.Combine(binDirectory, "TestFiles", "next_delivery.xlsx");
        var excelFolderTarget = environment.EnvironmentDataStoragePath;
        var destinationFile = Path.Combine(excelFolderTarget, "next_delivery.xlsx");

        File.Copy(excelFileCurrent, destinationFile);
     }