#2 Updated unittests and README.md

RolandKoenig · Jan 8, 2023 · 718a199 · 718a199
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diff --git a/README.md b/README.md
@@ -1,15 +1,61 @@
 # RolandK.Formats.Gpx <img src="assets/Logo_128.png" width="32" />
-### Common Information
+## Common Information
 A .NET Standard library for reading and writing GPX (GPS Exchange Format) files.
 This library was build for my [GpxViewer](https://github.com/RolandKoenig/GpxViewer) project. It is based
 on the System.Xml.Serialization.XmlSerializer class and therefore available for .NET Framework and .NET Core projects.
 
-### Build
+## Build
 [![Continuous integration](https://github.com/RolandKoenig/RolandK.Formats.Gpx/actions/workflows/continuous-integration.yml/badge.svg)](https://github.com/RolandKoenig/RolandK.Formats.Gpx/actions/workflows/continuous-integration.yml)
 
-### Feature overview
+## Feature overview
  - Full document model for gpx files
  - Load gpx files
  - Write gpx files
- - Add custom metadata to gpx files
- - Don't lose other custom metadate after loading and saving gpx files
+ - Add custom xml extensions to gpx files
+ - Don't lose other custom xml extensions information after loading and saving gpx files
+
+## Samples
+### Load GPX file
+Load file file (here Kösseine.gpx) and get total count of tracks, routes and waypoints in the file
+```csharp
+var gpxFile = await GpxFile.LoadAsync("Kösseine.gpx");
+
+var countTracks = gpxFile.Tracks.Count;
+var countRoutes = gpxFile.Routes.Count;
+var countWaypoints = gpxFile.Waypoints.Count;
+```
+
+### Save GPX file
+Save a previously loaded / created / modified file
+```csharp
+await GpxFile.SaveAsync(gpxFile, "MyFile.gpx");
+```
+
+### Add custom xml extension 
+Your have to define your own xml extension types and give them a namespace
+```csharp
+[XmlType("MyTrackExtension", Namespace = "http://testing.rolandk.net/")]
+public class MyTrackExtension
+{
+    public bool AlreadyDone { get; set; } = false;
+}
+```
+
+Then you have to register these xml extension types and their namespaces to GpxFile. 
+You should do this somewhere in your startup code of your application.
+```csharp
+// You have to register your own xml extension types 
+GpxFile.RegisterExtensionType(typeof(MyTrackExtension));
+GpxFile.RegisterNamespace("rktest", "http://testing.rolandk.net/");
+```
+
+Now you can access these xml extensions from c# code
+```csharp
+var gpxFile = await GpxFile.LoadAsync(inStream);
+var gpxTrack = gpxFile.Tracks[0];
+
+gpxTrack.Extensions ??= new GpxExtensions();
+var myTrackExtension = gpxTrack.Extensions.GetOrCreateExtension<MyTrackExtension>();
+
+myTrackExtension.AlreadyDone = true; // This property comes from our own xml extension
+```
diff --git a/src/RolandK.Formats.Gpx.Tests/FileLoad/GpxFileCustomExtensionsTests.cs b/src/RolandK.Formats.Gpx.Tests/FileLoad/GpxFileCustomExtensionsTests.cs
@@ -0,0 +1,48 @@
+using System.Xml.Serialization;
+
+namespace RolandK.Formats.Gpx.Tests.FileLoad;
+
+public class GpxFileCustomExtensionsTests
+{
+    [Fact]
+    public async Task AddCustomMetadata()
+    {
+        // Arrange
+        await using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
+            typeof(GpxFileLoadTests),"Test_Gpx1_1.gpx");
+
+        // Act
+        GpxFile.RegisterExtensionType(typeof(MyTrackExtension));
+        GpxFile.RegisterNamespace("rktest", "http://testing.rolandk.net/");
+
+        var originalGpxFile = await GpxFile.LoadAsync(inStream);
+        var originalGpxTrack = originalGpxFile.Tracks[0];
+
+        originalGpxTrack.Extensions ??= new GpxExtensions();
+        var myTrackExtension = originalGpxTrack.Extensions.GetOrCreateExtension<MyTrackExtension>();
+
+        myTrackExtension.AlreadyDone = true;
+
+        using var writingMemoryStream = new MemoryStream(1024 * 100);
+        await GpxFile.SaveAsync(originalGpxFile, writingMemoryStream);
+
+        using var readingMemoryStream = new MemoryStream(writingMemoryStream.GetBuffer());
+        var reloadedFile = await GpxFile.LoadAsync(readingMemoryStream);
+
+        // Assert
+        Assert.Single(reloadedFile.Tracks);
+
+        var reloadedTrack = reloadedFile.Tracks[0];
+        Assert.NotNull(reloadedTrack.Extensions);
+
+        var reloadedExtension = reloadedTrack.Extensions.TryGetSingleExtension<MyTrackExtension>();
+        Assert.NotNull(reloadedExtension);
+        Assert.True(reloadedExtension.AlreadyDone);
+    }
+
+    [XmlType("MyTrackExtension", Namespace = "http://testing.rolandk.net/")]
+    public class MyTrackExtension
+    {
+        public bool AlreadyDone { get; set; }
+    }
+}
diff --git a/src/RolandK.Formats.Gpx.Tests/FileLoad/GpxFileLoadAsyncTests.cs b/src/RolandK.Formats.Gpx.Tests/FileLoad/GpxFileLoadAsyncTests.cs
@@ -1,71 +1,95 @@
-using System.Text;
+using System.Diagnostics.CodeAnalysis;
+using System.Text;
 
 namespace RolandK.Formats.Gpx.Tests.FileLoad;
 
+[SuppressMessage("ReSharper", "RedundantArgumentDefaultValue")]
 public class GpxFileLoadAsyncTests
 {
     [Fact]
     public async Task GpxVersion1_1_CompatibilityMode()
     {
+        // Arrange
         await using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
             typeof(GpxFileLoadTests),"Test_Gpx1_1.gpx");
 
+        // Act
         var gpxFile = await GpxFile.LoadAsync(inStream, GpxFileDeserializationMethod.Compatibility);
 
+        // Assert
         Assert.NotNull(gpxFile);
         Assert.NotNull(gpxFile.Metadata);
-        Assert.Equal("Kösseine", gpxFile!.Metadata!.Name);
+        Assert.Equal("Kösseine", gpxFile.Metadata.Name);
         Assert.Single(gpxFile.Tracks);
+        Assert.Single(gpxFile.Tracks[0].Segments);
+        Assert.Equal(228, gpxFile.Tracks[0].Segments[0].Points.Count);
     }
 
     [Fact]
     public async Task GpxVersion1_1_Gpx1_1Mode()
     {
+        // Arrange
         await using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
             typeof(GpxFileLoadTests),"Test_Gpx1_1.gpx");
 
+        // Act
         var gpxFile = await GpxFile.LoadAsync(inStream, GpxFileDeserializationMethod.OnlyGpx1_1);
 
+        // Assert
         Assert.NotNull(gpxFile);
         Assert.NotNull(gpxFile.Metadata);
-        Assert.Equal("Kösseine", gpxFile!.Metadata!.Name);
+        Assert.Equal("Kösseine", gpxFile.Metadata.Name);
         Assert.Single(gpxFile.Tracks);
+        Assert.Single(gpxFile.Tracks[0].Segments);
+        Assert.Equal(228, gpxFile.Tracks[0].Segments[0].Points.Count);
     }
 
     [Fact]
     public async Task GpxVersion1_1_on_xml_1_1()
     {
+        // Arrange
         await using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
             typeof(GpxFileLoadTests),"Test_Gpx1_1_on_xml_1_1.gpx");
 
+        // Act
         var gpxFile = await GpxFile.LoadAsync(inStream, GpxFileDeserializationMethod.Compatibility);
 
+        // Assert
         Assert.NotNull(gpxFile);
         Assert.NotNull(gpxFile.Metadata);
-        Assert.Equal("Kösseine", gpxFile!.Metadata!.Name);
+        Assert.Equal("Kösseine", gpxFile.Metadata.Name);
         Assert.Single(gpxFile.Tracks);
+        Assert.Single(gpxFile.Tracks[0].Segments);
+        Assert.Equal(228, gpxFile.Tracks[0].Segments[0].Points.Count);
     }
 
     [Fact]
     public async Task GpxVersion1_0()
     {
+        // Arrange
         await using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
             typeof(GpxFileLoadTests),"Test_Gpx1_0.gpx");
 
+        // Act
         var gpxFile = await GpxFile.LoadAsync(inStream, GpxFileDeserializationMethod.Compatibility);
 
+        // Assert
         Assert.NotNull(gpxFile);
         Assert.NotNull(gpxFile.Metadata);
-        Assert.Equal("Kösseine", gpxFile!.Metadata!.Name);
+        Assert.Equal("Kösseine", gpxFile.Metadata.Name);
         Assert.Single(gpxFile.Tracks);
+        Assert.Single(gpxFile.Tracks[0].Segments);
+        Assert.Equal(228, gpxFile.Tracks[0].Segments[0].Points.Count);
     }
 
     [Fact]
     public async Task GpxVersion1_0_SaveAs1_1()
     {
+        // Arrange
         await using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
             typeof(GpxFileLoadTests),"Test_Gpx1_0.gpx");
 
+        // Act
         var gpxFile = await GpxFile.LoadAsync(inStream, GpxFileDeserializationMethod.Compatibility);
         var outStrBuilder = new StringBuilder(33000);
         using (var strWriter = new StringWriter(outStrBuilder))
@@ -74,11 +98,10 @@ public async Task GpxVersion1_0_SaveAs1_1()
         }
         var writtenFile = outStrBuilder.ToString();
 
-        // Check output
+        // Assert
         Assert.True(writtenFile.Contains("version=\"1.1\""), "Version attribute");
         Assert.True(writtenFile.Contains("xmlns=\"http://www.topografix.com/GPX/1/1\""), "Default namespace");
 
-        // Check original data
         Assert.Equal("1.0", gpxFile.Version);
     }
 }
diff --git a/src/RolandK.Formats.Gpx.Tests/FileLoad/GpxFileLoadTests.cs b/src/RolandK.Formats.Gpx.Tests/FileLoad/GpxFileLoadTests.cs
@@ -1,71 +1,95 @@
-using System.Text;
+using System.Diagnostics.CodeAnalysis;
+using System.Text;
 
 namespace RolandK.Formats.Gpx.Tests.FileLoad;
 
+[SuppressMessage("ReSharper", "RedundantArgumentDefaultValue")]
 public class GpxFileLoadTests
 {
     [Fact]
     public void GpxVersion1_1_CompatibilityMode()
     {
+        // Arrange
         using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
             typeof(GpxFileLoadTests),"Test_Gpx1_1.gpx");
 
+        // Act
         var gpxFile = GpxFile.Load(inStream, GpxFileDeserializationMethod.Compatibility);
 
+        // Assert
         Assert.NotNull(gpxFile);
         Assert.NotNull(gpxFile.Metadata);
-        Assert.Equal("Kösseine", gpxFile!.Metadata!.Name);
+        Assert.Equal("Kösseine", gpxFile.Metadata.Name);
         Assert.Single(gpxFile.Tracks);
+        Assert.Single(gpxFile.Tracks[0].Segments);
+        Assert.Equal(228, gpxFile.Tracks[0].Segments[0].Points.Count);
     }
 
     [Fact]
     public void GpxVersion1_1_Gpx1_1Mode()
     {
+        // Arrange
         using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
             typeof(GpxFileLoadTests),"Test_Gpx1_1.gpx");
 
+        // Act
         var gpxFile = GpxFile.Load(inStream, GpxFileDeserializationMethod.OnlyGpx1_1);
 
+        // Assert
         Assert.NotNull(gpxFile);
         Assert.NotNull(gpxFile.Metadata);
-        Assert.Equal("Kösseine", gpxFile!.Metadata!.Name);
+        Assert.Equal("Kösseine", gpxFile.Metadata.Name);
         Assert.Single(gpxFile.Tracks);
+        Assert.Single(gpxFile.Tracks[0].Segments);
+        Assert.Equal(228, gpxFile.Tracks[0].Segments[0].Points.Count);
     }
 
     [Fact]
     public void GpxVersion1_1_on_xml_1_1()
     {
+        // Arrange
         using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
             typeof(GpxFileLoadTests),"Test_Gpx1_1_on_xml_1_1.gpx");
 
+        // Act
         var gpxFile = GpxFile.Load(inStream, GpxFileDeserializationMethod.Compatibility);
 
+        // Assert
         Assert.NotNull(gpxFile);
         Assert.NotNull(gpxFile.Metadata);
-        Assert.Equal("Kösseine", gpxFile!.Metadata!.Name);
+        Assert.Equal("Kösseine", gpxFile.Metadata.Name);
         Assert.Single(gpxFile.Tracks);
+        Assert.Single(gpxFile.Tracks[0].Segments);
+        Assert.Equal(228, gpxFile.Tracks[0].Segments[0].Points.Count);
     }
 
     [Fact]
     public void GpxVersion1_0()
     {
+        // Arrange
         using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
             typeof(GpxFileLoadTests),"Test_Gpx1_0.gpx");
 
+        // Act
         var gpxFile = GpxFile.Load(inStream, GpxFileDeserializationMethod.Compatibility);
 
+        // Assert
         Assert.NotNull(gpxFile);
         Assert.NotNull(gpxFile.Metadata);
-        Assert.Equal("Kösseine", gpxFile!.Metadata!.Name);
+        Assert.Equal("Kösseine", gpxFile.Metadata.Name);
         Assert.Single(gpxFile.Tracks);
+        Assert.Single(gpxFile.Tracks[0].Segments);
+        Assert.Equal(228, gpxFile.Tracks[0].Segments[0].Points.Count);
     }
 
     [Fact]
     public void GpxVersion1_0_SaveAs1_1()
     {
+        // Arrange
         using var inStream = GpxTestUtilities.ReadFromEmbeddedResource(
             typeof(GpxFileLoadTests),"Test_Gpx1_0.gpx");
 
+        // Act
         var gpxFile = GpxFile.Load(inStream, GpxFileDeserializationMethod.Compatibility);
         var outStrBuilder = new StringBuilder(33000);
         using (var strWriter = new StringWriter(outStrBuilder))
@@ -74,11 +98,10 @@ public void GpxVersion1_0_SaveAs1_1()
         }
         var writtenFile = outStrBuilder.ToString();
 
-        // Check output
+        // Assert
         Assert.True(writtenFile.Contains("version=\"1.1\""), "Version attribute");
         Assert.True(writtenFile.Contains("xmlns=\"http://www.topografix.com/GPX/1/1\""), "Default namespace");
 
-        // Check original data
         Assert.Equal("1.0", gpxFile.Version);
     }
 }