test: Add tests when the path collection is empty (#179)

MrDave1999 · Jun 27, 2024 · 69beb36 · 69beb36
1 parent e468736
commit 69beb36
Showing 1 changed file with 32 additions and 0 deletions.
diff --git a/plugins/Microsoft.Extensions.DI/tests/ServiceCollectionExtensionsTests.cs b/plugins/Microsoft.Extensions.DI/tests/ServiceCollectionExtensionsTests.cs
@@ -39,6 +39,22 @@ public void AddDotEnv_WhenCustomConfigurationIsUsed_ShouldReadKeyValuePairs()
         reader[Summaries].Should().Be(Expected);
     }
 
+    [TestMethod]
+    public void AddDotEnv_WhenPathCollectionIsEmpty_ShouldThrowArgumentException()
+    {
+        // Arrange
+        var services = new ServiceCollection();
+        string[] paths = [];
+
+        // Act
+        Action act = () => services.AddDotEnv(paths);
+
+        // Assert
+        act.Should()
+           .Throw<ArgumentException>()
+           .WithParameterName(nameof(paths));
+    }
+
     [TestMethod]
     public void AddDotEnvOfT_WhenDefaultEnvFileNameIsUsed_ShouldReadKeyValuePairs()
     {
@@ -71,6 +87,22 @@ public void AddDotEnvOfT_WhenCustomConfigurationIsUsed_ShouldReadKeyValuePairs()
         settings.Summaries.Should().Be(Expected);
     }
 
+    [TestMethod]
+    public void AddDotEnvOfT_WhenPathCollectionIsEmpty_ShouldThrowArgumentException()
+    {
+        // Arrange
+        var services = new ServiceCollection();
+        string[] paths = [];
+
+        // Act
+        Action act = () => services.AddDotEnv<AppSettings>(paths);
+
+        // Assert
+        act.Should()
+           .Throw<ArgumentException>()
+           .WithParameterName(nameof(paths));
+    }
+
     [TestMethod]
     public void AddCustomEnv_WhenCustomConfigurationIsUsed_ShouldReadKeyValuePairs()
     {