add tests for automatic build versioning

Author: dansiegel

Mobile.BuildTools.Tests/Fixtures/AndroidAutomaticBuildVersionGeneratorFixture.cs

@@ -0,0 +1,75 @@
+using System.IO;
+using System.Xml;
+using Mobile.BuildTools.Generators;
+using Mobile.BuildTools.Tests.Mocks;
+using Mobile.BuildTools.Versioning;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Mobile.BuildTools.Tests.Fixtures
+{
+    public class AndroidAutomaticBuildVersionGeneratorFixture
+    {
+        private static readonly string TemplateAndroidManifestPath = @"Templates/MockAndroidManifest.xml";
+        private static readonly string TemplateAndroidManifestOutputPath = @"Properties/AndroidManifest.xml";
+
+        private ITestOutputHelper _testOutputHelper { get; }
+
+        public AndroidAutomaticBuildVersionGeneratorFixture(ITestOutputHelper testOutputHelper)
+        {
+            _testOutputHelper = testOutputHelper;
+            Directory.CreateDirectory("Properties");
+        }
+
+        private AndroidAutomaticBuildVersionGenerator CreateGenerator(Behavior behavior = Behavior.Timestamp)
+        {
+            if (File.Exists(TemplateAndroidManifestOutputPath))
+                File.Delete(TemplateAndroidManifestOutputPath);
+
+            File.Copy(TemplateAndroidManifestPath, TemplateAndroidManifestOutputPath);
+
+            return new AndroidAutomaticBuildVersionGenerator
+            {
+                DebugOutput = true,
+                Log = new XunitLog(_testOutputHelper),
+                ProjectPath = ".",
+                VersionOffset = 0,
+                Behavior = behavior,
+                VersionEnvironment = VersionEnvironment.All
+            };
+        }
+
+        [Fact]
+        public void VersioningDoesNotCorruptManifest()
+        {
+            var generator = CreateGenerator();
+            generator.Execute();
+
+            var ex = Record.Exception(() =>
+            {
+                var doc = new XmlDocument();
+                doc.LoadXml(File.ReadAllText(TemplateAndroidManifestOutputPath));
+            });
+
+            Assert.Null(ex);
+        }
+
+        [Fact]
+        public void VersionCode_SetToBuildNumber()
+        {
+            var generator = CreateGenerator();
+            generator.Execute();
+
+            Assert.Contains($"android:versionCode=\"{generator.BuildNumber}\"", File.ReadAllText(TemplateAndroidManifestOutputPath));
+        }
+
+        [Fact]
+        public void VersionName_UsesBuildNumber()
+        {
+            var generator = CreateGenerator();
+            generator.Execute();
+
+            Assert.Contains($"android:versionName=\"1.0.{generator.BuildNumber}\"", File.ReadAllText(TemplateAndroidManifestOutputPath));
+        }
+    }
+}

Mobile.BuildTools.Tests/Mobile.BuildTools.Tests.csproj

@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp2.0</TargetFramework>
-
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 

Mobile.BuildTools/Generators/BuildVersionGeneratorBase.cs

@@ -20,6 +20,8 @@ public abstract class BuildVersionGeneratorBase : IGenerator
         public ILog Log { get; set; }
         public bool? DebugOutput { get; set; }
 
+        internal string BuildNumber { get; private set; }
+
         public void Execute()
         {
             if (DebugOutput == null)
@@ -46,11 +48,11 @@ public void Execute()
                 return;
             }
 
-            var buildNumber = GetBuildNumber();
-            Log.LogMessage($"Build Number: {buildNumber}");
+            BuildNumber = GetBuildNumber();
+            Log.LogMessage($"Build Number: {BuildNumber}");
 
             Log.LogMessage("Processing Manifest");
-            ProcessManifest(manifestPath, buildNumber);
+            ProcessManifest(manifestPath, BuildNumber);
         }
 
         protected abstract void ProcessManifest(string path, string buildNumber);

xunit.runner.json

@@ -0,0 +1,3 @@
+{
+  "maxParallelThreads": 1
+}