feat: add safe Tornado K3D playout adapter

tests/MBN_STOCK_WEBVIEW.Playout.Tests/LiveAuthorizationTests.cs

@@ -0,0 +1,40 @@
+using MBN_STOCK_WEBVIEW.Playout.Safety;
+
+namespace MBN_STOCK_WEBVIEW.Playout.Tests;
+
+public sealed class LiveAuthorizationTests
+{
+    [Theory]
+    [InlineData(null, false)]
+    [InlineData("I_AUTHORIZE_LIVE_PROGRAM_OUTPUT_FOR_THIS_LAUNCH ", false)]
+    [InlineData("i_authorize_live_program_output_for_this_launch", false)]
+    [InlineData("wrong", false)]
+    [InlineData(
+        PlayoutOptionsLoader.RequiredLiveAuthorizationValue,
+        true)]
+    public void EnvironmentAuthorization_RequiresExactPerLaunchValue(
+        string? value,
+        bool expected)
+    {
+        using var environment = new EnvironmentScope()
+            .Set(PlayoutOptionsLoader.LiveAuthorizationEnvironmentVariable, value);
+
+        var authorization = new EnvironmentLiveAuthorization();
+
+        Assert.Equal(expected, authorization.IsAuthorizedForThisLaunch);
+    }
+
+    [Fact]
+    public void EnvironmentAuthorization_IsCapturedOnceAndCannotBeArmedAfterConstruction()
+    {
+        using var environment = new EnvironmentScope()
+            .Set(PlayoutOptionsLoader.LiveAuthorizationEnvironmentVariable, null);
+        var authorization = new EnvironmentLiveAuthorization();
+
+        environment.Set(
+            PlayoutOptionsLoader.LiveAuthorizationEnvironmentVariable,
+            PlayoutOptionsLoader.RequiredLiveAuthorizationValue);
+
+        Assert.False(authorization.IsAuthorizedForThisLaunch);
+    }
+}