public void WriteRazorSourceChecksumAttribute_RendersCorrectly()
        {
            // Arrange
            var extension = new MetadataAttributeTargetExtension()
            {
                SourceChecksumAttributeName = "global::TestChecksum",
            };
            var context = TestCodeRenderingContext.CreateRuntime();

            var node = new RazorSourceChecksumAttributeIntermediateNode()
            {
                ChecksumAlgorithm = "SHA1",
                Checksum          = new byte[] { (byte)'t', (byte)'e', (byte)'s', (byte)'t', },
                Identifier        = "Foo/Bar",
            };

            // Act
            extension.WriteRazorSourceChecksumAttribute(context, node);

            // Assert
            var csharp = context.CodeWriter.GenerateCode();

            Assert.Equal(
                @"[global::TestChecksum(@""SHA1"", @""74657374"", @""Foo/Bar"")]
",
                csharp,
                ignoreLineEndingDifferences: true);
        }
        public void WriteRazorSourceChecksumAttribute(CodeRenderingContext context, RazorSourceChecksumAttributeIntermediateNode node)
        {
            if (context == null)
            {
                throw new ArgumentNullException(nameof(context));
            }

            if (node == null)
            {
                throw new ArgumentNullException(nameof(node));
            }

            // [global::...RazorSourceChecksum(@"{node.ChecksumAlgorithm}", @"{node.Checksum}", @"{node.Identifier}")]
            context.CodeWriter.Write("[");
            context.CodeWriter.Write(SourceChecksumAttributeName);
            context.CodeWriter.Write("(@\"");
            context.CodeWriter.Write(node.ChecksumAlgorithm);
            context.CodeWriter.Write("\", @\"");
            context.CodeWriter.Write(Checksum.BytesToString(node.Checksum));
            context.CodeWriter.Write("\", @\"");
            context.CodeWriter.Write(node.Identifier);
            context.CodeWriter.WriteLine("\")]");
        }