From 61fce0efb76accb4f6aacc3adb0953325c035046 Mon Sep 17 00:00:00 2001
From: "Valeriano A.R" <valen.alfonso@protonmail.com>
Date: Tue, 30 May 2023 02:41:53 +0200
Subject: [PATCH] Tests: Add tests for Page.

---
 .../Fakes/FakeWebContext.cs                   |   9 +-
 VAR.WebFormsCore.Tests/Pages/PageTests.cs     | 122 ++++++++++++++++++
 VAR.WebFormsCore/Pages/Page.cs                |   1 -
 3 files changed, 130 insertions(+), 2 deletions(-)
 create mode 100644 VAR.WebFormsCore.Tests/Pages/PageTests.cs

diff --git a/VAR.WebFormsCore.Tests/Fakes/FakeWebContext.cs b/VAR.WebFormsCore.Tests/Fakes/FakeWebContext.cs
index f2b8004..00326a4 100644
--- a/VAR.WebFormsCore.Tests/Fakes/FakeWebContext.cs
+++ b/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;
     
diff --git a/VAR.WebFormsCore.Tests/Pages/PageTests.cs b/VAR.WebFormsCore.Tests/Pages/PageTests.cs
new file mode 100644
index 0000000..d262b5a
--- /dev/null
+++ b/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);
+    }
+}
\ No newline at end of file
diff --git a/VAR.WebFormsCore/Pages/Page.cs b/VAR.WebFormsCore/Pages/Page.cs
index 4edc6e1..18a1454 100644
--- a/VAR.WebFormsCore/Pages/Page.cs
+++ b/VAR.WebFormsCore/Pages/Page.cs
@@ -55,7 +55,6 @@ public class Page : Control, IHttpHandler
             Render(stringWriter);
             if (context.ResponseHasStarted) { return; }
 
-            //context.SetResponseHeader("Content-Type", "text/html");
             context.ResponseContentType = "text/html";
             byte[] byteObject = Utf8Encoding.GetBytes(stringWriter.ToString());
             context.ResponseWriteBin(byteObject);