tests/PdfEncoder.UnitTests/Pdf/PdfInputValidatorTests.cs - master - afanasevn/PdfEncoder

tests/PdfEncoder.UnitTests/Pdf/PdfInputValidatorTests.cs

62 строки2 KB

IBS\NAfanasev

DocumentContext local functional

01 июл 2026, 15:30

01 июл 2026, 15:30b4038c9

using Microsoft.Extensions.Options;
using PdfEncoder.Application.Options;
using PdfEncoder.Domain.Errors;
using PdfEncoder.Infrastructure.Pdf;
using PdfEncoder.UnitTests.Fixtures;

namespace PdfEncoder.UnitTests.Pdf;

public sealed class PdfInputValidatorTests
{
    [Fact]
    public async Task ValidateAsync_ПустойФайл_БросаетPdfValidationException()
    {
        var validator = CreateValidator();

        var exception = await Assert.ThrowsAsync<PdfValidationException>(() =>
            validator.ValidateAsync(ReadOnlyMemory<byte>.Empty, "empty.pdf", CancellationToken.None));

        Assert.Equal("invalid-file", exception.ErrorCode);
        Assert.Equal(400, exception.StatusCode);
    }

    [Fact]
    public async Task ValidateAsync_НевалидныйMagic_БросаетPdfValidationException()
    {
        var validator = CreateValidator();

        var exception = await Assert.ThrowsAsync<PdfValidationException>(() =>
            validator.ValidateAsync(PdfTestFixtures.InvalidFile, "bad.pdf", CancellationToken.None));

        Assert.Equal("invalid-file", exception.ErrorCode);
    }

    [Fact]
    public async Task ValidateAsync_ВалидныйPdf_ВозвращаетЧислоСтраниц()
    {
        var validator = CreateValidator();

        var pageCount = await validator.ValidateAsync(
            PdfTestFixtures.TextBasedPdf,
            "sample.pdf",
            CancellationToken.None);

        Assert.Equal(1, pageCount);
    }

    [Fact]
    public async Task ValidateAsync_ПревышенЛимитСтраниц_БросаетPdfValidationException()
    {
        var validator = CreateValidator(new UploadOptions { MaxPages = 0, MaxFileSizeBytes = 20 * 1024 * 1024 });

        var exception = await Assert.ThrowsAsync<PdfValidationException>(() =>
            validator.ValidateAsync(PdfTestFixtures.TextBasedPdf, "sample.pdf", CancellationToken.None));

        Assert.Equal("too-many-pages", exception.ErrorCode);
    }

    private static PdfInputValidator CreateValidator(UploadOptions? options = null)
    {
        return new PdfInputValidator(Options.Create(options ?? new UploadOptions()));
    }
}