using MeetTheTeacher.Export;

namespace MeetTheTeacher.Test.Export;

public sealed class CsvDataExporterTests : ExporterTestBase, IDisposable
{
    private readonly CsvDataExporter _csvDataExporter;

    public CsvDataExporterTests()
    {
        _csvDataExporter = new CsvDataExporter();
    }

    protected override string FileExtension => "csv";

    public void Dispose()
    {
        // Clean up the test file.
        if (File.Exists(FilePath))
        {
            File.Delete(FilePath);
        }
    }

    [Fact]
    public void Export_Valid()
    {
        SimpleCheck();
    }

    [Fact]
    public void Export_FileExisted()
    {
        File.WriteAllText(FilePath, "some content");

        // still has to work
        SimpleCheck();
    }

    private void SimpleCheck()
    {
        _csvDataExporter.Export(SampleData, FileName);

        File.Exists(FilePath).Should().BeTrue();

        string[] rows = File.ReadAllLines(FilePath);
        rows.Length.Should().Be(3, "Header + 2 data rows");
        rows[0].Should().Be("Name;Age");
        rows[1].Should().Be("John;30");
        rows[2].Should().Be("Jane;25");
    }
}