wikiada_1.4.1_c93445d7/regtests/wiki-parsers-tests.adb

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-----------------------------------------------------------------------
--  wiki-parsers-tests -- Unit tests for wiki parsing
--  Copyright (C) 2011, 2012, 2013, 2015, 2016, 2017, 2021, 2022 Stephane Carrez
--  Written by Stephane Carrez (Stephane.Carrez@gmail.com)
--
--  Licensed under the Apache License, Version 2.0 (the "License");
--  you may not use this file except in compliance with the License.
--  You may obtain a copy of the License at
--
--      http://www.apache.org/licenses/LICENSE-2.0
--
--  Unless required by applicable law or agreed to in writing, software
--  distributed under the License is distributed on an "AS IS" BASIS,
--  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
--  See the License for the specific language governing permissions and
--  limitations under the License.
-----------------------------------------------------------------------
with Ada.Strings.UTF_Encoding.Wide_Wide_Strings;

with Util.Test_Caller;

with Wiki.Utils;
with Wiki.Helpers;
with Wiki.Streams.Builders;
with Wiki.Render.Text;
package body Wiki.Parsers.Tests is

   use Wiki.Helpers;

   package Caller is new Util.Test_Caller (Test, "Wikis.Parsers");

   procedure Add_Tests (Suite : in Util.Tests.Access_Test_Suite) is
   begin
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (bold)",
                       Test_Wiki_Bold'Access);
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (italic)",
                       Test_Wiki_Italic'Access);
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (italic, bold)",
                       Test_Wiki_Formats'Access);
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (headings)",
                         Test_Wiki_Section'Access);
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (lists)",
                       Test_Wiki_List'Access);
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (links)",
                       Test_Wiki_Link'Access);
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (quote)",
                       Test_Wiki_Quote'Access);
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (line break)",
                       Test_Wiki_Line_Break'Access);
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (image)",
                       Test_Wiki_Image'Access);
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (preformatted)",
                       Test_Wiki_Preformatted'Access);
      Caller.Add_Test (Suite, "Test Wiki.Text.Renderer",
                       Test_Wiki_Text_Renderer'Access);
      Caller.Add_Test (Suite, "Test Wiki.Parsers.Parse (String UTF-8)",
                       Test_Wiki_UTF_8'Access);
   end Add_Tests;

   --  ------------------------------
   --  Test bold rendering.
   --  ------------------------------
   procedure Test_Wiki_Bold (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, "<p><b>bold</b></p>",
                                Wiki.Utils.To_Html ("*bold*", SYNTAX_GOOGLE),
                                "Bold rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x <b>bold</b> y</p>",
                                Wiki.Utils.To_Html ("x *bold* y", SYNTAX_GOOGLE),
                                "Bold rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x <strong>bold y</strong></p>",
                                Wiki.Utils.To_Html ("x **bold y**", SYNTAX_CREOLE),
                                "Bold rendering invalid (CREOLE)");
      Util.Tests.Assert_Equals (T, "<p>x <b>item y</b> p</p>",
                                Wiki.Utils.To_Html ("x __item y__ p", SYNTAX_DOTCLEAR),
                                "Bold rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x _item y_ p</p>",
                                Wiki.Utils.To_Html ("x _item y_ p", SYNTAX_DOTCLEAR),
                                "No bold rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x <b>bold</b> y</p>",
                                Wiki.Utils.To_Html ("x '''bold''' y", SYNTAX_MEDIA_WIKI),
                                "Bold rendering invalid (MediaWiki)");
   end Test_Wiki_Bold;

   --  ------------------------------
   --  Test italic rendering.
   --  ------------------------------
   procedure Test_Wiki_Italic (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, "<p><i>item</i></p>",
                                Wiki.Utils.To_Html ("_item_", SYNTAX_GOOGLE),
                                "Italic rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x <i>item</i> y</p>",
                                Wiki.Utils.To_Html ("x _item_ y", SYNTAX_GOOGLE),
                                "Italic rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x <em>item y</em></p>",
                                Wiki.Utils.To_Html ("x //item y//", SYNTAX_CREOLE),
                                "Italic rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x <i>item y</i> p</p>",
                                Wiki.Utils.To_Html ("x ''item y'' p", SYNTAX_DOTCLEAR),
                                "Italic rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x <i>item y</i> p</p>",
                                Wiki.Utils.To_Html ("x ''item y'' p", SYNTAX_MEDIA_WIKI),
                                "Italic rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x 'item y<i> p</i></p>",
                                Wiki.Utils.To_Html ("x 'item y'' p", SYNTAX_MEDIA_WIKI),
                                "Italic rendering invalid");
   end Test_Wiki_Italic;

   --  ------------------------------
   --  Test various format rendering.
   --  ------------------------------
   procedure Test_Wiki_Formats (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, "<p><i>it</i><b><i>bold</i></b><i>em</i></p>",
                                Wiki.Utils.To_Html ("_it*bold*em_", SYNTAX_GOOGLE),
                                "Italic+Bold rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x <i>item</i> y</p>",
                                Wiki.Utils.To_Html ("x _item_ y", SYNTAX_GOOGLE),
                                "Italic rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>x <i>item y</i></p>",
                                Wiki.Utils.To_Html ("x _item y_", SYNTAX_GOOGLE),
                                "Italic rendering invalid");
   end Test_Wiki_Formats;

   --  ------------------------------
   --  Test heading rendering.
   --  ------------------------------
   procedure Test_Wiki_Section (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, "<h1>item</h1>",
                                Wiki.Utils.To_Html ("= item =", SYNTAX_GOOGLE),
                                "H1 rendering invalid");
      Util.Tests.Assert_Equals (T, "<h2>item</h2>",
                                Wiki.Utils.To_Html ("== item == ", SYNTAX_GOOGLE),
                                "H2 rendering invalid");
      Util.Tests.Assert_Equals (T, "<h3>item</h3>",
                                Wiki.Utils.To_Html ("=== item  ===  ", SYNTAX_GOOGLE),
                                "H3 rendering invalid");
      Util.Tests.Assert_Equals (T, "<h4>item</h4>",
                                Wiki.Utils.To_Html ("==== item ==== ", SYNTAX_GOOGLE),
                                "H4 rendering invalid");
      Util.Tests.Assert_Equals (T, "<h5>item</h5>",
                                Wiki.Utils.To_Html ("===== item =====", SYNTAX_GOOGLE),
                                "H5 rendering invalid");
      Util.Tests.Assert_Equals (T, "<h1>item</h1><h2>item2</h2>",
                                Wiki.Utils.To_Html ("= item =" & CR & "== item2 ==",
                                  SYNTAX_GOOGLE),
                                "H1 rendering invalid");
      Util.Tests.Assert_Equals (T, "<h1>item</h1><h2>item2</h2>",
        Wiki.Utils.To_Html ("= item =" & CR & "== item2 ==",
          SYNTAX_GOOGLE),
        "H1 rendering invalid");
   end Test_Wiki_Section;

   --  ------------------------------
   --  Test list rendering.
   --  ------------------------------
   procedure Test_Wiki_List (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, "<ol><li>item</li></ol>",
                                Wiki.Utils.To_Html ("1. item", SYNTAX_MARKDOWN),
                                "Ordered list rendering invalid");
      Util.Tests.Assert_Equals (T, "<ol><li>item item" &
                                "</li><li>item2 item2" &
                                "</li><li>item3</li></ol>",
        Wiki.Utils.To_Html ("1. item item " & LF & "2. item2 item2" & LF & "3. item3",
         SYNTAX_MARKDOWN),
        "Ordered rendering invalid");

      Util.Tests.Assert_Equals (T, "<ul><li>item</li></ul>",
                                Wiki.Utils.To_Html (" * item", SYNTAX_MARKDOWN),
                                "Bullet list rendering invalid");

      Util.Tests.Assert_Equals (T, "<ul><li>item</li></ul>",
                                Wiki.Utils.To_Html ("* item", SYNTAX_DOTCLEAR),
                                "Bullet list rendering invalid");

   end Test_Wiki_List;

   --  ------------------------------
   --  Test link rendering.
   --  ------------------------------
   procedure Test_Wiki_Link (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, "<p><a href=""name"">name</a></p>",
                                Wiki.Utils.To_Html ("[name]", SYNTAX_GOOGLE),
                                "Link rendering invalid");
      Util.Tests.Assert_Equals (T, "<p><a href=""http://www.joe.com/item"" "
                                & "lang=""en"" title=""some""" &
                                ">name</a></p>",
                                Wiki.Utils.To_Html ("[name |http://www.joe.com/item|en|some]",
                                SYNTAX_DOTCLEAR),
                                "Link rendering invalid");
      Util.Tests.Assert_Equals (T, "<p><a href=""name"">name</a></p>",
                                Wiki.Utils.To_Html ("[[name]]", SYNTAX_CREOLE),
                                "Link rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>[d</p>",
                                Wiki.Utils.To_Html ("[d", SYNTAX_CREOLE),
                                "No link rendering invalid");
      Util.Tests.Assert_Equals (T, "<p><a " &
                                "href=""http://www.joe.com/item"">http://www.joe.com/item</a></p>",
                                Wiki.Utils.To_Html ("[http://www.joe.com/item]",
                                SYNTAX_DOTCLEAR),
                                "Link rendering invalid");
      Util.Tests.Assert_Equals (T, "<p><a href=""name"">name</a></p>",
                                Wiki.Utils.To_Html ("[[name]]", SYNTAX_MEDIA_WIKI),
                                "Link rendering invalid");
   end Test_Wiki_Link;

   --  ------------------------------
   --  Test quote rendering.
   --  ------------------------------
   procedure Test_Wiki_Quote (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, "<p><q>quote</q></p>",
                                Wiki.Utils.To_Html ("{{quote}}", SYNTAX_DOTCLEAR),
                                "Quote rendering invalid");
      Util.Tests.Assert_Equals (T, "<p><q lang=""en"">quote</q></p>",
                                Wiki.Utils.To_Html ("{{quote|en}}", SYNTAX_DOTCLEAR),
                                "Quote rendering invalid");
      Util.Tests.Assert_Equals (T, "<p><q cite=""http://www.sun.com"" lang=""en"">quote</q></p>",
                                Wiki.Utils.To_Html ("{{quote|en|http://www.sun.com}}",
                                                 SYNTAX_DOTCLEAR),
                                "Quote rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>{quote}}</p>",
                                Wiki.Utils.To_Html ("{quote}}", SYNTAX_DOTCLEAR),
                                "No quote rendering invalid");
   end Test_Wiki_Quote;

   --  ------------------------------
   --  Test line break rendering.
   --  ------------------------------
   procedure Test_Wiki_Line_Break (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, "<p>a<br>b</p>",
                                Wiki.Utils.To_Html ("a%%%b", SYNTAX_DOTCLEAR),
                                "Line break rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>a<br>b</p>",
                                Wiki.Utils.To_Html ("a\\b", SYNTAX_CREOLE),
                                "Line break rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>a%%b</p>",
                                Wiki.Utils.To_Html ("a%%b", SYNTAX_DOTCLEAR),
                                "No line break rendering invalid");
      Util.Tests.Assert_Equals (T, "<p>a%b</p>",
                                Wiki.Utils.To_Html ("a%b", SYNTAX_DOTCLEAR),
                                "No line break rendering invalid");
   end Test_Wiki_Line_Break;

   --  ------------------------------
   --  Test image rendering.
   --  ------------------------------
   procedure Test_Wiki_Image (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, "<p><img src=""/image/t.png"" /></p>",
                                Wiki.Utils.To_Html ("((/image/t.png))", SYNTAX_DOTCLEAR),
                                "Image rendering invalid");
      Util.Tests.Assert_Equals (T, "<p><img src=""/image/t.png"" alt=""title"" /></p>",
                                Wiki.Utils.To_Html ("((/image/t.png|title))", SYNTAX_DOTCLEAR),
                                "Image rendering invalid");
      Util.Tests.Assert_Equals (T, "<p><img " &
                                "src=""/image/t.png"" longdesc=""describe"" alt=""title"" /></p>",
                                Wiki.Utils.To_Html ("((/image/t.png|title|x|describe))",
                                                 SYNTAX_DOTCLEAR),
                                "Image rendering invalid");
   end Test_Wiki_Image;

   --  ------------------------------
   --  Test preformatted rendering.
   --  ------------------------------
   procedure Test_Wiki_Preformatted (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, "<pre><code>* code *" & ASCII.LF & "</code></pre>",
                                Wiki.Utils.To_Html ("///" & LF & "* code *" & LF & "///",
                                                 SYNTAX_DOTCLEAR),
                                "Preformat rendering invalid");
      Util.Tests.Assert_Equals (T, "<pre><code>item1 x" & ASCII.LF & "item2 x"
                                & ASCII.LF & "item3 x"
                                & "</code></pre>",
                                Wiki.Utils.To_Html (" item1 x" & LF & " item2 x" & LF & " item3 x",
                                                 SYNTAX_DOTCLEAR),
                                "Preformat rendering invalid");
   end Test_Wiki_Preformatted;

   --  ------------------------------
   --  Test the text renderer.
   --  ------------------------------
   procedure Test_Wiki_Text_Renderer (T : in out Test) is
   begin
      Util.Tests.Assert_Equals (T, ASCII.LF & "code" & ASCII.LF,
                                Wiki.Utils.To_Text ("`code`", SYNTAX_MARKDOWN),
                                "Preformat rendering invalid");
      Util.Tests.Assert_Equals (T, ASCII.LF & "bold item my_title" & ASCII.LF,
                                Wiki.Utils.To_Text ("_bold_ __item__ [my_title]", SYNTAX_GOOGLE),
                                "Preformat rendering invalid");

   end Test_Wiki_Text_Renderer;

   --  ------------------------------
   --  Test the string parser with UTF-8 support.
   --  ------------------------------
   procedure Test_Wiki_UTF_8 (T : in out Test) is
      procedure Check (Text : in Wiki.Strings.WString);

      Test_Chars : constant array (Natural range <>) of Wiki.Strings.WChar
        := (Wiki.Strings.WChar'Val (16#7f#),
            Wiki.Strings.WChar'Val (16#80#),
            Wiki.Strings.WChar'Val (16#AE#),
            Wiki.Strings.WChar'Val (16#1ff#),
            Wiki.Strings.WChar'Val (16#1fff#),
            Wiki.Strings.WChar'Val (16#1ffff#),
            Wiki.Strings.WChar'Val (16#0fffff#));

      procedure Check (Text : in Wiki.Strings.WString) is
         procedure Get (Value : in Wiki.Strings.WString);

         Doc      : Wiki.Documents.Document;
         Engine   : Wiki.Parsers.Parser;
         Renderer : aliased Wiki.Render.Text.Text_Renderer;
         Stream   : aliased Wiki.Streams.Builders.Output_Builder_Stream;

         Content : constant String :=
           Ada.Strings.UTF_Encoding.Wide_Wide_Strings.Encode (Text);

         procedure Get (Value : in Wiki.Strings.WString) is
         begin
            --  Verify that we got the expected characters.
            T.Assert (Wiki.Helpers.LF & Text & Wiki.Helpers.LF = Value,
                      "Invalid parsing for [" & Content & "]");
         end Get;

      begin
         Engine.Set_Syntax (SYNTAX_MEDIA_WIKI);
         Engine.Parse (Content, Doc);
         Renderer.Set_Output_Stream (Stream'Unchecked_Access);
         Renderer.Set_No_Newline (Enable => False);
         Renderer.Render (Doc);
         Stream.Iterate (Get'Access);
      end Check;

   begin
      for I in Test_Chars'Range loop
         Check (Test_Chars (I) & "");
      end loop;
      for J in Test_Chars'Range loop
         for I in Test_Chars'Range loop
            Check (Test_Chars (I) & Test_Chars (J) & "");
         end loop;
      end loop;
   end Test_Wiki_UTF_8;

end Wiki.Parsers.Tests;