1 files changed, 66 insertions, 0 deletions
diff --git a/tests/Agent.Core.Tests/ConfigurationTests.cs b/tests/Agent.Core.Tests/ConfigurationTests.cs
new file mode 100644
index 0000000..7ef4afb
--- /dev/null
+++ b/tests/Agent.Core.Tests/ConfigurationTests.cs
@@ -0,0 +1,66 @@
+using Agent.App.Cli;
+using Agent.App.Configuration;
+
+namespace Agent.Core.Tests;
+
+public sealed class ConfigurationTests
+{
+    [Fact]
+    public void ValidYamlLoadsTypedConfiguration()
+    {
+        using var directory = new TestDirectory();
+        string config = CreateValidConfiguration(directory);
+        AgentConfiguration result = ConfigurationLoader.Load(config);
+        Assert.Equal(1, result.SchemaVersion);
+        Assert.Equal("model", result.Ollama.Model);
+        Assert.Equal("deny", result.Sandbox.Network.Mode);
+    }
+
+    [Fact]
+    public void UnknownYamlPropertyIsFatal()
+    {
+        using var directory = new TestDirectory();
+        string config = CreateValidConfiguration(directory);
+        System.IO.File.AppendAllText(config, "unknown_root: true\n");
+        Assert.Throws<ConfigurationException>(() => ConfigurationLoader.Load(config));
+    }
+
+    [Fact]
+    public void InvalidSchemaIsFatal()
+    {
+        using var directory = new TestDirectory();
+        string config = CreateValidConfiguration(directory);
+        System.IO.File.WriteAllText(config, System.IO.File.ReadAllText(config).Replace("schema_version: 1", "schema_version: 2", StringComparison.Ordinal));
+        Assert.Throws<ConfigurationException>(() => ConfigurationLoader.Load(config));
+    }
+
+    [Fact]
+    public void CommandLineLanguageOverrideIsCaptured()
+    {
+        CommandLine result = CommandLine.Parse(["serve", "--lang", "ja", "--transport", "http"]);
+        Assert.Equal("ja", result.Language);
+        Assert.Equal("http", result.Transport);
+    }
+
+    private static string CreateValidConfiguration(TestDirectory directory)
+    {
+        directory.File("prompts/user-system.md", string.Empty);
+        Directory.CreateDirectory(System.IO.Path.Combine(directory.Path, "config/locales"));
+        Directory.CreateDirectory(System.IO.Path.Combine(directory.Path, "skills"));
+        return directory.File("agent.yaml", """
+            schema_version: 1
+            application:
+              language: en
+            agent:
+              user_system_prompt: prompts/user-system.md
+            ollama:
+              endpoint: http://127.0.0.1:11434
+              model: model
+            localization:
+              directory: config/locales
+              fallback: en
+            skills:
+              directory: skills
+            """);
+    }
+}