feat: Add initial implementation of CI/CD workflows, documentation, and testing framework

2026-09-06 07:36:01 +02:00 · 2026-02-19 05:35:05 +01:00
parent 3188d18da2
commit 56ff6197a2
21 changed files with 888 additions and 2 deletions
@@ -0,0 +1,56 @@
+using EchoHub.Server.Services;
+using Xunit;
+
+namespace EchoHub.Tests;
+
+public class FileValidationHelperTests
+{
+    [Fact]
+    public void IsValidImage_JpegMagicBytes_ReturnsTrue()
+    {
+        byte[] jpeg = [0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10];
+        using var stream = new MemoryStream(jpeg);
+        Assert.True(FileValidationHelper.IsValidImage(stream));
+    }
+
+    [Fact]
+    public void IsValidImage_PngMagicBytes_ReturnsTrue()
+    {
+        byte[] png = [0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A];
+        using var stream = new MemoryStream(png);
+        Assert.True(FileValidationHelper.IsValidImage(stream));
+    }
+
+    [Fact]
+    public void IsValidImage_GifMagicBytes_ReturnsTrue()
+    {
+        byte[] gif = [0x47, 0x49, 0x46, 0x38, 0x39, 0x61];
+        using var stream = new MemoryStream(gif);
+        Assert.True(FileValidationHelper.IsValidImage(stream));
+    }
+
+    [Fact]
+    public void IsValidImage_WebpMagicBytes_ReturnsTrue()
+    {
+        byte[] webp = [0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x45, 0x42, 0x50];
+        using var stream = new MemoryStream(webp);
+        Assert.True(FileValidationHelper.IsValidImage(stream));
+    }
+
+    [Fact]
+    public void IsValidImage_RandomBytes_ReturnsFalse()
+    {
+        byte[] random = [0x00, 0x01, 0x02, 0x03, 0x04, 0x05];
+        using var stream = new MemoryStream(random);
+        Assert.False(FileValidationHelper.IsValidImage(stream));
+    }
+
+    [Fact]
+    public void IsValidImage_ResetsStreamPosition()
+    {
+        byte[] jpeg = [0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10];
+        using var stream = new MemoryStream(jpeg);
+        FileValidationHelper.IsValidImage(stream);
+        Assert.Equal(0, stream.Position);
+    }
+}