Tests: Add tests for Page.

VAR.WebFormsCore.Tests/Fakes/FakeWebContext.cs

@@ -55,7 +55,14 @@ public class FakeWebContext : IWebContext
         throw new NotImplementedException();
     }
 
-    public bool ResponseHasStarted => false;
+    private bool _responseHasStarted;
+
+    public void FakeSetResponseHasStarted(bool responseHasStarted)
+    {
+        _responseHasStarted = responseHasStarted;
+    }
+    
+    public bool ResponseHasStarted => _responseHasStarted;
 
     public int ResponseStatusCode { get; set; } = 200;
     

VAR.WebFormsCore.Tests/Pages/PageTests.cs

@@ -0,0 +1,122 @@
+using VAR.WebFormsCore.Pages;
+using VAR.WebFormsCore.Tests.Fakes;
+using Xunit;
+
+namespace VAR.WebFormsCore.Tests.Pages;
+
+public class PageTests
+{
+    [Fact]
+    public void ProcessRequest__Empty__Empty()
+    {
+        FakeWebContext fakeWebContext = new();
+        Page page = new();
+
+        page.ProcessRequest(fakeWebContext);
+
+        Assert.Equal(200, fakeWebContext.ResponseStatusCode);
+        Assert.Equal("text/html", fakeWebContext.ResponseContentType);
+        string result = fakeWebContext.FakeWritePackages.ToString("");
+        Assert.Equal(string.Empty, result);
+    }
+
+    [Fact]
+    public void ProcessRequest__SendResponseOnPreInit__NullContentType()
+    {
+        FakeWebContext fakeWebContext = new();
+        Page page = new();
+        page.PreInit += (_, _) => { fakeWebContext.FakeSetResponseHasStarted(true); };
+
+        page.ProcessRequest(fakeWebContext);
+
+        Assert.Null(fakeWebContext.ResponseContentType);
+    }
+
+    [Fact]
+    public void ProcessRequest__SendResponseOnInit__NullContentType()
+    {
+        FakeWebContext fakeWebContext = new();
+        Page page = new();
+        page.Init += (_, _) => { fakeWebContext.FakeSetResponseHasStarted(true); };
+
+        page.ProcessRequest(fakeWebContext);
+
+        Assert.Null(fakeWebContext.ResponseContentType);
+    }
+
+    [Fact]
+    public void ProcessRequest__SendResponseOnLoad__NullContentType()
+    {
+        FakeWebContext fakeWebContext = new();
+        Page page = new();
+        page.Load += (_, _) => { fakeWebContext.FakeSetResponseHasStarted(true); };
+
+        page.ProcessRequest(fakeWebContext);
+
+        Assert.Null(fakeWebContext.ResponseContentType);
+    }
+
+    [Fact]
+    public void ProcessRequest__SendResponseOnPreRender__NullContentType()
+    {
+        FakeWebContext fakeWebContext = new();
+        Page page = new();
+        page.PreRender += (_, _) => { fakeWebContext.FakeSetResponseHasStarted(true); };
+
+        page.ProcessRequest(fakeWebContext);
+
+        Assert.Null(fakeWebContext.ResponseContentType);
+    }
+
+    [Fact]
+    public void ProcessRequest__AbortIfIsPostbackOnGet__Empty()
+    {
+        FakeWebContext fakeWebContext = new(requestMethod: "GET");
+        Page page = new();
+        page.Load += (_, _) =>
+        {
+            if (page.IsPostBack)
+            {
+                fakeWebContext.FakeSetResponseHasStarted(true);
+            }
+        };
+
+        page.ProcessRequest(fakeWebContext);
+
+        Assert.Equal(200, fakeWebContext.ResponseStatusCode);
+        Assert.Equal("text/html", fakeWebContext.ResponseContentType);
+        string result = fakeWebContext.FakeWritePackages.ToString("");
+        Assert.Equal(string.Empty, result);
+    }
+
+    [Fact]
+    public void ProcessRequest__AbortIfIsPostbackOnPost__NullContentType()
+    {
+        FakeWebContext fakeWebContext = new(requestMethod: "POST");
+        Page page = new();
+        page.Load += (_, _) =>
+        {
+            if (page.IsPostBack)
+            {
+                fakeWebContext.FakeSetResponseHasStarted(true);
+            }
+        };
+
+        page.ProcessRequest(fakeWebContext);
+
+        Assert.Null(fakeWebContext.ResponseContentType);
+    }
+
+    [Fact]
+    public void ProcessRequest__ThrowException__NullContentType()
+    {
+        FakeWebContext fakeWebContext = new(requestMethod: "POST");
+        Page page = new();
+        page.Load += (_, _) => throw new Exception("Test");
+
+        page.ProcessRequest(fakeWebContext);
+
+        Assert.Equal(200, fakeWebContext.ResponseStatusCode);
+        Assert.Equal("text/html", fakeWebContext.ResponseContentType);
+    }
+}