ParseAssemblyInformationalVersion tests.

src/OpenTelemetry/Sdk.cs

@@ -44,22 +44,7 @@ static Sdk()
             SelfDiagnostics.EnsureInitialized();
 
             var assemblyInformationalVersion = typeof(Sdk).Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion;
-            if (string.IsNullOrWhiteSpace(assemblyInformationalVersion))
-            {
-                assemblyInformationalVersion = "1.0.0";
-            }
-
-            /*
-             * InformationalVersion will be in the following format:
-             *   {majorVersion}.{minorVersion}.{patchVersion}.{pre-release label}.{pre-release version}.{gitHeight}+{Git SHA of current commit}
-             * Ex: 1.5.0-alpha.1.40+807f703e1b4d9874a92bd86d9f2d4ebe5b5d52e4
-             * The following parts are optional: pre-release label, pre-release version, git height, Git SHA of current commit
-             */
-
-            var indexOfPlusSign = assemblyInformationalVersion!.IndexOf('+');
-            InformationalVersion = indexOfPlusSign > 0
-                ? assemblyInformationalVersion.Substring(0, indexOfPlusSign)
-                : assemblyInformationalVersion;
+            InformationalVersion = ParseAssemblyInformationalVersion(assemblyInformationalVersion);
         }
 
         /// <summary>
@@ -119,5 +104,25 @@ public static TracerProviderBuilder CreateTracerProviderBuilder()
         {
             return new TracerProviderBuilderBase();
         }
+
+        internal static string ParseAssemblyInformationalVersion(string? informationalVersion)
+        {
+            if (string.IsNullOrWhiteSpace(informationalVersion))
+            {
+                informationalVersion = "1.0.0";
+            }
+
+            /*
+             * InformationalVersion will be in the following format:
+             *   {majorVersion}.{minorVersion}.{patchVersion}.{pre-release label}.{pre-release version}.{gitHeight}+{Git SHA of current commit}
+             * Ex: 1.5.0-alpha.1.40+807f703e1b4d9874a92bd86d9f2d4ebe5b5d52e4
+             * The following parts are optional: pre-release label, pre-release version, git height, Git SHA of current commit
+             */
+
+            var indexOfPlusSign = informationalVersion!.IndexOf('+');
+            return indexOfPlusSign > 0
+                ? informationalVersion.Substring(0, indexOfPlusSign)
+                : informationalVersion;
+        }
     }
 }

test/OpenTelemetry.Tests/SdkTests.cs

@@ -0,0 +1,41 @@
+// <copyright file="SdkTests.cs" company="OpenTelemetry Authors">
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// </copyright>
+
+#nullable enable
+
+using Xunit;
+
+namespace OpenTelemetry.Tests;
+
+public class SdkTests
+{
+    [Theory]
+    [InlineData(null, "1.0.0")]
+    [InlineData("1.5.0", "1.5.0")]
+    [InlineData("1.0.0.0", "1.0.0.0")]
+    [InlineData("1.0-beta.1", "1.0-beta.1")]
+    [InlineData("1.5.0-alpha.1.40+807f703e1b4d9874a92bd86d9f2d4ebe5b5d52e4", "1.5.0-alpha.1.40")]
+    [InlineData("1.5.0-rc.1+807f703e1b4d9874a92bd86d9f2d4ebe5b5d52e4", "1.5.0-rc.1")]
+    [InlineData("8.0", "8.0")]
+    [InlineData("8", "8")]
+    [InlineData("8.0.1.18-alpha1", "8.0.1.18-alpha1")]
+    public void ParseAssemblyInformationalVersionTests(string? informationalVersion, string expectedVersion)
+    {
+        var actualVersion = Sdk.ParseAssemblyInformationalVersion(informationalVersion);
+
+        Assert.Equal(expectedVersion, actualVersion);
+    }
+}