social-media/backend/tests/Socialize.Tests/Feedback/FeedbackRulesTests.cs

using Socialize.Api.Modules.Feedback.Data;
using Socialize.Api.Modules.Feedback.Services;

namespace Socialize.Tests.Feedback;

public class FeedbackRulesTests
{
    [Theory]
    [InlineData("Bug", FeedbackType.Bug)]
    [InlineData("suggestion", FeedbackType.Suggestion)]
    [InlineData("Request", FeedbackType.Request)]
    public void TryParseType_accepts_supported_types(string value, FeedbackType expected)
    {
        bool parsed = FeedbackRules.TryParseType(value, out FeedbackType type);

        Assert.True(parsed);
        Assert.Equal(expected, type);
    }

    [Theory]
    [InlineData("")]
    [InlineData("Question")]
    [InlineData("Incident")]
    public void TryParseType_rejects_unsupported_types(string value)
    {
        bool parsed = FeedbackRules.TryParseType(value, out _);

        Assert.False(parsed);
    }

    [Theory]
    [InlineData("New", FeedbackStatus.New)]
    [InlineData("Planned", FeedbackStatus.Planned)]
    [InlineData("Resolved", FeedbackStatus.Resolved)]
    [InlineData("Won't Do", FeedbackStatus.WontDo)]
    [InlineData("WontDo", FeedbackStatus.WontDo)]
    [InlineData("Cancelled", FeedbackStatus.Cancelled)]
    public void TryParseStatus_accepts_supported_statuses(string value, FeedbackStatus expected)
    {
        bool parsed = FeedbackRules.TryParseStatus(value, out FeedbackStatus status);

        Assert.True(parsed);
        Assert.Equal(expected, status);
    }

    [Fact]
    public void CanDeveloperSetStatus_rejects_cancelled_destination()
    {
        bool allowed = FeedbackRules.CanDeveloperSetStatus(FeedbackStatus.New, FeedbackStatus.Cancelled);

        Assert.False(allowed);
    }

    [Fact]
    public void CanDeveloperSetStatus_rejects_changes_after_cancelled()
    {
        bool allowed = FeedbackRules.CanDeveloperSetStatus(FeedbackStatus.Cancelled, FeedbackStatus.Planned);

        Assert.False(allowed);
    }

    [Fact]
    public void CanReporterCancel_rejects_cancelled_report()
    {
        bool allowed = FeedbackRules.CanReporterCancel(FeedbackStatus.Cancelled);

        Assert.False(allowed);
    }

    [Fact]
    public void CanReporterAccess_allows_report_owner()
    {
        Guid reporterUserId = Guid.NewGuid();
        FeedbackReport report = new() { ReporterUserId = reporterUserId };

        bool allowed = FeedbackAccessRules.CanReporterAccess(report, reporterUserId);

        Assert.True(allowed);
    }

    [Fact]
    public void CanReporterAccess_rejects_other_users()
    {
        FeedbackReport report = new() { ReporterUserId = Guid.NewGuid() };

        bool allowed = FeedbackAccessRules.CanReporterAccess(report, Guid.NewGuid());

        Assert.False(allowed);
    }

    [Fact]
    public void CanReporterCancel_requires_owner_and_non_final_status()
    {
        Guid reporterUserId = Guid.NewGuid();
        FeedbackReport report = new()
        {
            ReporterUserId = reporterUserId,
            Status = FeedbackStatus.New,
        };

        bool ownerAllowed = FeedbackAccessRules.CanReporterCancel(report, reporterUserId);
        bool otherUserAllowed = FeedbackAccessRules.CanReporterCancel(report, Guid.NewGuid());

        Assert.True(ownerAllowed);
        Assert.False(otherUserAllowed);
    }

    [Fact]
    public void CanAccessScreenshot_allows_report_owner()
    {
        Guid reporterUserId = Guid.NewGuid();
        FeedbackReport report = new() { ReporterUserId = reporterUserId };

        bool allowed = FeedbackAccessRules.CanAccessScreenshot(report, reporterUserId, isDeveloper: false);

        Assert.True(allowed);
    }

    [Fact]
    public void CanAccessScreenshot_allows_developer()
    {
        FeedbackReport report = new() { ReporterUserId = Guid.NewGuid() };

        bool allowed = FeedbackAccessRules.CanAccessScreenshot(report, Guid.NewGuid(), isDeveloper: true);

        Assert.True(allowed);
    }

    [Fact]
    public void CanAccessScreenshot_rejects_unrelated_non_developer()
    {
        FeedbackReport report = new() { ReporterUserId = Guid.NewGuid() };

        bool allowed = FeedbackAccessRules.CanAccessScreenshot(report, Guid.NewGuid(), isDeveloper: false);

        Assert.False(allowed);
    }

    [Theory]
    [InlineData("image/png")]
    [InlineData("image/jpeg")]
    [InlineData("image/jpg")]
    public void Screenshot_content_type_allows_png_and_jpeg(string contentType)
    {
        bool allowed = FeedbackScreenshotRules.IsAllowedContentType(contentType);

        Assert.True(allowed);
    }

    [Theory]
    [InlineData("text/html")]
    [InlineData("application/pdf")]
    [InlineData("")]
    public void Screenshot_content_type_rejects_non_images(string contentType)
    {
        bool allowed = FeedbackScreenshotRules.IsAllowedContentType(contentType);

        Assert.False(allowed);
    }

    [Theory]
    [InlineData(1)]
    [InlineData(FeedbackScreenshotRules.MaxScreenshotBytes)]
    public void Screenshot_size_allows_non_empty_files_up_to_limit(long sizeBytes)
    {
        bool allowed = FeedbackScreenshotRules.IsAllowedSize(sizeBytes);

        Assert.True(allowed);
    }

    [Theory]
    [InlineData(0)]
    [InlineData(FeedbackScreenshotRules.MaxScreenshotBytes + 1)]
    public void Screenshot_size_rejects_empty_and_oversized_files(long sizeBytes)
    {
        bool allowed = FeedbackScreenshotRules.IsAllowedSize(sizeBytes);

        Assert.False(allowed);
    }

    [Fact]
    public void NormalizeTags_trims_deduplicates_and_orders()
    {
        IReadOnlyCollection<string> tags = FeedbackRules.NormalizeTags([" mobile ", "bug", "Mobile", ""]);

        Assert.Equal(["bug", "mobile"], tags);
    }
}