using StellaOps.Concelier.Connector.Common.Pdf;

namespace StellaOps.Concelier.Connector.Common.Tests;

public sealed class PdfTextExtractorTests
{
    private const string SamplePdfBase64 = "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";

    [Fact]
    public async Task ExtractTextAsync_ReturnsPageText()
    {
        var bytes = Convert.FromBase64String(SamplePdfBase64);
        using var stream = new MemoryStream(bytes);
        var extractor = new PdfTextExtractor();

        var result = await extractor.ExtractTextAsync(stream, cancellationToken: CancellationToken.None);

        Assert.Contains("Hello World", result.Text);
        Assert.Equal(1, result.PagesProcessed);
    }
}
