Throw when container is resumed but not paused

Author: stefannikolei

src/Testcontainers/Containers/DockerContainer.cs

@@ -606,11 +606,6 @@ protected virtual async Task UnsafeUnpauseAsync(CancellationToken ct = default)
         return;
       }
 
-      if (!TestcontainersStates.Paused.Equals(State))
-      {
-        return;
-      }
-
       Unpausing?.Invoke(this, EventArgs.Empty);
 
       await _client.UnpauseAsync(_container.ID, ct)

tests/Testcontainers.Platform.Linux.Tests/PauseUnpauseTest.cs

@@ -1,3 +1,6 @@
+using Docker.DotNet;
+using Xunit.Sdk;
+
 namespace Testcontainers.Tests;
 
 public sealed class PauseUnpauseTest : IAsyncLifetime
@@ -28,4 +31,13 @@ await _container.UnpauseAsync()
             .ConfigureAwait(true);
         Assert.Equal(TestcontainersStates.Running, _container.State);
     }
+    
+    [Fact]
+    public async Task Unpauses_NotPaused_ContainerSuccessfully()
+    {
+        var thrown = await Assert.ThrowsAsync<DockerApiException>(async () => await _container.UnpauseAsync().ConfigureAwait(true));
+        
+        Assert.Equal(HttpStatusCode.InternalServerError, thrown.StatusCode);
+        Assert.Equal($"Docker API responded with status code=InternalServerError, response={{\"message\":\"Container {_container.Id} is not paused\"}}\n", thrown.Message);
+    }
 }