Made syntax highlighting test more specific

pom.xml

@@ -15,7 +15,7 @@
         <url>http://www.atlassian.com/</url>
     </organization>
     <name>confluence-markdown-macro</name>
-    <description>This plugin provides a Markdown render macro for Confluence.</description>
+    <description>This plugin provides macros to render markdown for Confluence.</description>
     <packaging>atlassian-plugin</packaging>
     <dependencies>
         <dependency>
@@ -79,6 +79,24 @@
             <version>${atlassian.spring.scanner.version}</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>javax.inject</groupId>
+            <artifactId>javax.inject</artifactId>
+            <version>1</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-all</artifactId>
+            <version>1.9.0</version>
+            <scope>test</scope>
+         </dependency>
+         <dependency>
+		    <groupId>net.sourceforge.htmlunit</groupId>
+		    <artifactId>htmlunit</artifactId>
+		    <version>2.32</version>
+		    <scope>test</scope>
+		</dependency>
     </dependencies>
     <build>
         <plugins>
@@ -90,6 +108,8 @@
                 <configuration>
                     <productVersion>${confluence.version}</productVersion>
                     <productDataVersion>${confluence.data.version}</productDataVersion>
+					<enableQuickReload>true</enableQuickReload>
+					<enableFastdev>false</enableFastdev>
                 </configuration>
             </plugin>
             <plugin>
@@ -104,7 +124,7 @@
     <properties>
         <confluence.version>6.9.0</confluence.version>
         <confluence.data.version>6.9.0</confluence.data.version>
-        <amps.version>6.2.11</amps.version>
+        <amps.version>6.3.0</amps.version>
         <plugin.testrunner.version>1.1</plugin.testrunner.version>
         <atlassian.spring.scanner.version>2.1.7</atlassian.spring.scanner.version>
     </properties>

src/main/java/com/atlassian/plugins/confluence/markdown/MarkdownFromURLMacro.java

@@ -0,0 +1,199 @@
+package com.atlassian.plugins.confluence.markdown;
+
+import com.atlassian.confluence.content.render.xhtml.ConversionContext;
+import com.atlassian.confluence.content.render.xhtml.DefaultConversionContext;
+import com.atlassian.confluence.content.render.xhtml.XhtmlException;
+import com.atlassian.confluence.macro.Macro;
+import com.atlassian.confluence.macro.MacroExecutionException;
+import com.atlassian.confluence.xhtml.api.MacroDefinition;
+import com.atlassian.confluence.xhtml.api.MacroDefinitionHandler;
+import com.atlassian.confluence.xhtml.api.XhtmlContent;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
+import com.atlassian.renderer.RenderContext;
+import com.atlassian.renderer.v2.RenderMode;
+import com.atlassian.renderer.v2.macro.BaseMacro;
+import com.atlassian.renderer.v2.macro.MacroException;
+
+//import com.atlassian.plugin.spring.scanner.annotation.component.Scanned;
+import com.atlassian.plugin.spring.scanner.annotation.imports.ComponentImport;
+import com.atlassian.webresource.api.assembler.PageBuilderService;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.vladsch.flexmark.ast.Node;
+import com.vladsch.flexmark.ext.gfm.strikethrough.StrikethroughSubscriptExtension;
+import com.vladsch.flexmark.ext.tables.TablesExtension;
+import com.vladsch.flexmark.ext.ins.InsExtension;
+import com.vladsch.flexmark.ext.definition.DefinitionExtension;
+import com.vladsch.flexmark.ext.gfm.tasklist.TaskListExtension;
+import com.vladsch.flexmark.ext.footnotes.FootnoteExtension;
+import com.vladsch.flexmark.ext.wikilink.WikiLinkExtension;
+import com.vladsch.flexmark.ext.autolink.AutolinkExtension;
+import com.vladsch.flexmark.ext.anchorlink.AnchorLinkExtension;
+import com.vladsch.flexmark.superscript.SuperscriptExtension;
+import com.vladsch.flexmark.ext.youtube.embedded.YouTubeLinkExtension;
+import com.vladsch.flexmark.html.HtmlRenderer;
+import com.vladsch.flexmark.parser.Parser;
+import com.vladsch.flexmark.util.options.MutableDataSet;
+
+import java.net.*;
+import java.io.*;
+
+//@Scanned
+public class MarkdownFromURLMacro extends BaseMacro implements Macro
+{
+
+    private final XhtmlContent xhtmlUtils;
+
+    private PageBuilderService pageBuilderService;
+
+    @Autowired
+    public MarkdownFromURLMacro(@ComponentImport PageBuilderService pageBuilderService, XhtmlContent xhtmlUtils) {
+        this.pageBuilderService = pageBuilderService;
+        this.xhtmlUtils = xhtmlUtils;
+    }
+
+//    public MarkdownFromURLMacro(XhtmlContent xhtmlUtils)
+//    {
+//        this.xhtmlUtils = xhtmlUtils;
+//    }
+
+    @Override
+    public BodyType getBodyType()
+    {
+        return BodyType.PLAIN_TEXT;
+    }
+
+    @Override
+    public OutputType getOutputType()
+    {
+        return OutputType.BLOCK;
+    }
+
+    @Override
+    public String execute(Map<String, String> parameters, String bodyContent, ConversionContext conversionContext) throws MacroExecutionException
+    {
+    	//If the macro was not left blank, run the macro. Otherwise, return an empty string.
+		if (bodyContent != null) {
+			//Include highlight.js in the webpage.
+			//Adds something like <script type="text/javascript" src="path-to-javascript-file.js"></script> to the <head> of the page
+			pageBuilderService.assembler().resources().requireWebResource("com.atlassian.plugins.confluence.markdown.confluence-markdown-macro:highlightjs");
+			
+			//Set options for flexmark. See flexmark documentation for more info.
+			MutableDataSet options = new MutableDataSet();
+
+			options.set(Parser.EXTENSIONS, Arrays.asList(
+				TablesExtension.create(), 
+				StrikethroughSubscriptExtension.create(),
+				InsExtension.create(),
+				TaskListExtension.create(),
+				FootnoteExtension.create(),
+				WikiLinkExtension.create(),
+				DefinitionExtension.create(),
+				AnchorLinkExtension.create(),
+				AutolinkExtension.create(),
+				SuperscriptExtension.create(),
+				YouTubeLinkExtension.create()
+
+			));
+
+			
+			//JavaScript for syntax highlighting. See highlight.js documentation for more info.
+			String highlightjs = "<script>\n" +
+					"AJS.$('[data-macro-name=\"markdown\"] code').each(function(i, block) {\n" +
+					"    hljs.highlightBlock(block);\n" +
+					"  });\n" +
+					"</script>";
+
+			//Define a custom exception for trying to import from a private Bitbucket repository
+			class privateRepositoryException extends Exception {
+				public privateRepositoryException(String message) {
+					super(message);
+				}
+			}
+			
+			//Set up parser and renderer for flexmark.
+			Parser parser = Parser.builder(options).build();
+			HtmlRenderer renderer = HtmlRenderer.builder(options).build();
+			
+			String exceptionsToReturn = "";
+			String html = "";
+			String toParse = "";
+			
+			//Import markdown from a URL and render it to html.
+			//Enclosed in a try/catch block in order to catch exceptions and return error messages to the user
+			try {
+				//Create a URL object from the URL typed in by the user,
+				//  then fetch the URL content line by line and store each line temporarily in inputLine.
+				//Concatenate all the lines into toParse and trim leading and trailing whitespace.
+				URL importFrom = new URL(bodyContent);
+				BufferedReader in = new BufferedReader(
+					new InputStreamReader(importFrom.openStream())
+				);
+				String inputLine;
+				while ((inputLine = in.readLine()) != null) {
+					toParse = toParse + "\n" + inputLine;
+				}
+				in.close();
+				toParse = toParse.trim();
+				
+				
+				//If the content of the URL is a file in a private Bitbucket repository, then throw an exception.
+				//Otherwise, parse and render the markdown.
+				if (toParse.startsWith("<html>\n<head>\n  <title>OpenID transaction in progress</title>")) {
+					throw new privateRepositoryException("Cannot import from private repository.");
+				}else {
+					Node document = parser.parse(toParse);
+					html = renderer.render(document) + highlightjs;
+				}
+				
+			}
+			catch (MalformedURLException u) {
+				exceptionsToReturn = exceptionsToReturn + "<strong>Error with Markdown From URL macro: Invalid URL.</strong><br>Please enter a valid URL. If you are not trying to import markdown from a URL, use the Markdown macro instead of the Markdown from URL macro.<br>For support <a href='https://community.atlassian.com/t5/tag/addon-com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/tg-p'>visit our Q&A in the Atlassian Community</a>. You can ask a new question by clicking the \"Create\" button on the top right of the Q&A.<br>";
+			}
+			catch (privateRepositoryException p) {
+				exceptionsToReturn = exceptionsToReturn + "<strong>Error with Markdown From URL macro: Importing from private Bitbucket repositories is not supported.</strong><br>Please make your repository public before importing. Alternatively, you can copy and paste your markdown into the Markdown macro.<br>If you are allowed access, you can find the markdown file <a href='" + bodyContent + "'>here</a>.<br>For support <a href='https://community.atlassian.com/t5/tag/addon-com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/tg-p'>visit our Q&A in the Atlassian Community</a>. You can ask a new question by clicking the \"Create\" button on the top right of the Q&A.<br>";
+			}
+			catch (FileNotFoundException f) {
+				exceptionsToReturn = exceptionsToReturn + "<strong>Error with Markdown From URL macro: URL does not exist.</strong><br>" + bodyContent + "<br>Please double check your URL. Perhaps you made a typo or perhaps the page has been moved.<br>This can also be caused by changing the Github repository containing the file from public to private. If this is the case go back to the raw file and re-copy the link.<br>For support <a href='https://community.atlassian.com/t5/tag/addon-com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/tg-p'>visit our Q&A in the Atlassian Community</a>. You can ask a new question by clicking the \"Create\" button on the top right of the Q&A.<br>";
+			}
+			catch (IOException e) {
+				exceptionsToReturn = exceptionsToReturn + "<strong>Error with Markdown From URL macro: Unexpected error.</strong><br>" + e.toString() + "<br>For support <a href='https://community.atlassian.com/t5/tag/addon-com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/tg-p'>visit our Q&A in the Atlassian Community</a>. You can ask a new question by clicking the \"Create\" button on the top right of the Q&A.<br>"; 
+			}
+			finally {
+				//If there were exceptions, set the html to return to an error message (or multiple)
+				if (exceptionsToReturn != "") {
+					html = "<p style='background: #ffe0e0; border-radius: 5px; padding: 10px;'>" + exceptionsToReturn + "</p>";
+				}
+				
+				//Return the output, which is either rendered markdown or an error message.
+				return html;
+			}
+ 		}else {
+			return "";
+		}
+    }
+
+    @Override
+    public boolean hasBody() {
+        return true;  //To change body of implemented methods use File | Settings | File Templates.
+    }
+
+    @Override
+    public RenderMode getBodyRenderMode() {
+        return RenderMode.NO_RENDER;  //To change body of implemented methods use File | Settings | File Templates.
+    }
+
+    @Override
+    public String execute(Map map, String s, RenderContext renderContext) throws MacroException {
+        try {
+            return execute(map, s, new DefaultConversionContext(renderContext));
+        } catch (MacroExecutionException e) {
+            throw new MacroException(e.getMessage(),e);
+        }
+    }
+}

src/main/java/com/atlassian/plugins/confluence/markdown/MarkdownMacro.java

@@ -46,7 +46,6 @@ public class MarkdownMacro extends BaseMacro implements Macro
 {
 
     private final XhtmlContent xhtmlUtils;
-
     private PageBuilderService pageBuilderService;
 
     @Autowired
@@ -54,12 +53,7 @@ public class MarkdownMacro extends BaseMacro implements Macro
         this.pageBuilderService = pageBuilderService;
         this.xhtmlUtils = xhtmlUtils;
     }
-
-//    public MarkdownMacro(XhtmlContent xhtmlUtils)
-//    {
-//        this.xhtmlUtils = xhtmlUtils;
-//    }
-
+    
     @Override
     public BodyType getBodyType()
     {
@@ -76,9 +70,11 @@ public class MarkdownMacro extends BaseMacro implements Macro
     public String execute(Map<String, String> parameters, String bodyContent, ConversionContext conversionContext) throws MacroExecutionException
     {
 
-
+    	//Include highlight.js in the webpage.
+		//Adds something like <script type="text/javascript" src="path-to-javascript-file.js"></script> to the <head> of the page
         pageBuilderService.assembler().resources().requireWebResource("com.atlassian.plugins.confluence.markdown.confluence-markdown-macro:highlightjs");
-
+        
+        //Set options for flexmark. See flexmark documentation for more info.
         MutableDataSet options = new MutableDataSet();
 
         options.set(Parser.EXTENSIONS, Arrays.asList(
@@ -95,21 +91,24 @@ public class MarkdownMacro extends BaseMacro implements Macro
             YouTubeLinkExtension.create()
 
         ));
-
-
+        
+        
+        //JavaScript for syntax highlighting. See highlight.js documentation for more info.
         String highlightjs = "<script>\n" +
                 "AJS.$('[data-macro-name=\"markdown\"] code').each(function(i, block) {\n" +
                 "    hljs.highlightBlock(block);\n" +
                 "  });\n" +
                 "</script>";
-
+        
+        //Set up parser and renderer for flexmark.
         Parser parser = Parser.builder(options).build();
         HtmlRenderer renderer = HtmlRenderer.builder(options).build();
-
+        
+        //  Parse and render the body content from markdown to HTML,
+        //  then return the output along with the JavaScript for syntax highlighting
         Node document = parser.parse(bodyContent);
-        String html = renderer.render(document ) + highlightjs;  // "<p>This is <em>Sparta</em></p>\n"
+        String html = renderer.render(document) + highlightjs;
         return html;
-
     }
 
     @Override

src/main/java/com/atlassian/plugins/confluence/markdown/MyPluginComponent.java

@@ -1,6 +0,0 @@
-package com.atlassian.plugins.confluence.markdown;
-
-public interface MyPluginComponent
-{
-    String getName();
-}

src/main/resources/atlassian-plugin.xml

@@ -7,15 +7,14 @@
         <param name="plugin-logo">images/pluginLogo.png</param>
 	<param name="atlassian-data-center-compatible">true</param>
     </plugin-info>
-
-    <xhtml-macro name="markdown"
+	
+	<xhtml-macro name="markdown"
                  class="com.atlassian.plugins.confluence.markdown.MarkdownMacro"
                  key="markdown"
                  icon="/download/resources/com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/images/pluginIcon.png"
                  documentation-url="https://spec.commonmark.org/0.28/">
         <category name="formatting"/>
-        <parameters>
-        </parameters>
+        <parameters />
     </xhtml-macro>
     <macro name="markdown"
            class="com.atlassian.plugins.confluence.markdown.MarkdownMacro"
@@ -23,10 +22,26 @@
            icon="/download/resources/com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/images/pluginIcon.png"
            documentation-url="https://spec.commonmark.org/0.28/">
         <category name="formatting"/>
-        <parameters>
-        </parameters>
+        <parameters />
+    </macro>
+    <xhtml-macro name="markdown-from-url"
+                 class="com.atlassian.plugins.confluence.markdown.MarkdownFromURLMacro"
+                 key="markdown-from-url"
+                 icon="/download/resources/com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/images/pluginIcon.png"
+                 documentation-url="https://spec.commonmark.org/0.28/">
+        <category name="formatting"/>
+        <parameters />
+	</xhtml-macro>
+    <macro name="markdown-from-url"
+           class="com.atlassian.plugins.confluence.markdown.MarkdownFromURLMacro"
+           key="markdown-from-url.wiki"
+           icon="/download/resources/com.atlassian.plugins.confluence.markdown.confluence-markdown-macro/images/pluginIcon.png"
+           documentation-url="https://spec.commonmark.org/0.28/">
+        <category name="formatting"/>
+        <parameters />
     </macro>
     <resource type="i18n" name="markdown" location="markdownproperties/markdown"/>
+	<resource type="i18n" name="markdown-from-url" location="markdown-from-url-properties/markdown-from-url"/>
     <resource type="download" name="images/" key="images" location="images/"/>
 
     <web-resource key="highlightjs" name="Highlight.js" >

src/main/resources/markdown-from-url-properties/markdown-from-url.properties

@@ -0,0 +1,2 @@
+com.atlassian.plugins.confluence.markdown.confluence-markdown-macro.markdown-from-url.label=Markdown From URL
+com.atlassian.plugins.confluence.markdown.confluence-markdown-macro.markdown-from-url.desc=This macro dynamically imports Markdown from a URL and renders it into HTML.

src/test/java/ut/com/atlassian/plugins/confluence/MarkdownFromURLUnitTest.java

@@ -0,0 +1,172 @@
+package ut.com.atlassian.plugins.confluence;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import static org.junit.Assert.*;
+import static org.hamcrest.CoreMatchers.*;
+
+import org.mockito.*;
+import org.mockito.runners.MockitoJUnitRunner;
+
+import java.util.HashMap;
+import java.util.List;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.net.*;
+
+import com.atlassian.confluence.content.render.xhtml.ConversionContext;
+import com.atlassian.confluence.macro.MacroExecutionException;
+import com.atlassian.webresource.api.assembler.PageBuilderService;
+import com.atlassian.webresource.api.assembler.RequiredResources;
+import com.atlassian.webresource.api.assembler.WebResourceAssembler;
+import com.gargoylesoftware.htmlunit.FailingHttpStatusCodeException;
+import com.gargoylesoftware.htmlunit.WebClient;
+import com.gargoylesoftware.htmlunit.html.HtmlElement;
+import com.gargoylesoftware.htmlunit.html.HtmlPage;
+import com.atlassian.plugins.confluence.markdown.MarkdownFromURLMacro;
+
+@RunWith (MockitoJUnitRunner.class)
+public class MarkdownFromURLUnitTest {
+	@Mock
+	ConversionContext conversionContext;
+	@Mock
+    PageBuilderService pageBuilderService;
+	@Mock
+	WebResourceAssembler webResourceAssembler;
+    @Mock
+    RequiredResources requiredResources;
+    @InjectMocks
+    MarkdownFromURLMacro markdownMacro;
+    
+    @Test
+	public void testMarkdownRendering() throws MacroExecutionException, MalformedURLException {
+		/*Test that markdown is correctly retrieved from a URL and rendered into HTML*/
+		String file = new File("src/test/resources/testMarkdown.md").toURI().toURL().toString();
+		@SuppressWarnings({ "rawtypes", "unchecked" })
+		String output = markdownMacro.execute(new HashMap(), file, conversionContext);
+		assertTrue(output.contains("<em>Italic</em>"));
+	}
+    @Test
+    public void testErrorHandling() throws MacroExecutionException, MalformedURLException {
+		/*Test error handling of nonexistent URLs*/
+		String input1 = new File("src/test/resources/nonexistentfile.md").toURI().toURL().toString();
+		@SuppressWarnings({ "rawtypes", "unchecked" })
+		String output1 = markdownMacro.execute(new HashMap(), input1, conversionContext);
+		assertTrue(output1.contains("URL does not exist"));
+		assertTrue(output1.contains(input1));
+		
+		
+		/*Test error handling of invalid URLs*/
+		String input2 = "not_a_URL";
+		@SuppressWarnings({ "rawtypes", "unchecked" })
+		String output2 = markdownMacro.execute(new HashMap(), input2, conversionContext);
+		assertTrue(output2.contains("Invalid URL"));
+		
+		
+		/*Test error handling of importing from a private Bitbucket repository*/
+		String input3 = new File("src/test/resources/testPrivateBitbucket.html").toURI().toURL().toString();
+		@SuppressWarnings({ "rawtypes", "unchecked" })
+		String output3 = markdownMacro.execute(new HashMap(), input3, conversionContext);
+		assertTrue(output3.contains("Importing from private Bitbucket repositories is not supported"));
+		assertTrue(output3.contains(input3));
+	}
+    @Test
+	public void testSyntaxHighlighting() throws MacroExecutionException, FailingHttpStatusCodeException, MalformedURLException, IOException {
+		/*Test that the javascript for syntax highlighting works*/
+		// Run the macro with an input of a line of code
+		// Create a temporary HTML file containing the output
+		// Parse the HTML file with htmlunit
+		// Assert that the page contains three spans with the correct classes
+    	// Note: Does not test if highlight.js and highlight.css are correctly included in the page
+		try (final WebClient webClient = new WebClient()) {
+			String file = new File("src/test/resources/testSyntaxHighlighting.md").toURI().toURL().toString();
+			@SuppressWarnings({ "rawtypes", "unchecked" })
+			String output = markdownMacro.execute(new HashMap(), file, conversionContext);
+			String toWrite = "<!DOCTYPE html>\r\n" + 
+					"<html>\r\n" + 
+					"<head>\r\n" + 
+					"    <title>Syntax Highlighting Page</title>\r\n" + 
+					"    <script src=\"./jquery-3.3.1.min.js\"></script>\r\n" + 
+					"    <script src=\"../../main/resources/js/highlight.min.js\"></script>\r\n" + 
+					"    <link href=\"../../main/resources/css/highlight.min.css\" rel=\"stylesheet\" />\r\n" + 
+					"</head>\r\n" + 
+					"<body>\r\n" + 
+					"	<script>\r\n" + 
+					"		var AJS = {\r\n" + 
+					"			$: $\r\n" + 
+					"		};\r\n" + 
+					"    </script>\r\n" + 
+					"<div data-macro-name='markdown'>" +
+					output + 
+					"</div>" + 
+					"</body>\r\n" + 
+					"</html>";
+		    File tmpHTMLFile = File.createTempFile("syntax-highlighting-", ".html", new File("src/test/resources"));
+		    FileWriter writer = new FileWriter(tmpHTMLFile);
+		    writer.write(toWrite);
+		    writer.close();
+		    
+			final HtmlPage page = webClient.getPage(tmpHTMLFile.toURI().toURL().toString());
+			HtmlElement document = page.getDocumentElement();
+			List<HtmlElement> spans = document.getElementsByTagName("span");
+			tmpHTMLFile.delete();
+			
+			HtmlElement hljsClassSpan = null;
+			int numberOfHljsClassSpans = 0;
+			HtmlElement hljsKeywordSpan = null;
+			int numberOfHljsKeywordSpans = 0;
+			HtmlElement hljsTitleSpan = null;
+			int numberOfHljsTitleSpans = 0;
+			
+			//Check the class of every span element and increment the counters accordingly
+			//Also define the three span objects as the first span of the correct class
+			for (HtmlElement span : spans) {
+				if (span.getAttribute("class").contains("hljs-class")) {
+					numberOfHljsClassSpans++;
+					if (numberOfHljsClassSpans == 1) {
+						hljsClassSpan = span;
+					}
+				}
+				if (span.getAttribute("class").contains("hljs-keyword")) {
+					numberOfHljsKeywordSpans++;
+					if (numberOfHljsKeywordSpans == 1) {
+						hljsKeywordSpan = span;
+					}
+				}
+				if (span.getAttribute("class").contains("hljs-title")) {
+					numberOfHljsTitleSpans++;
+					if (numberOfHljsTitleSpans == 1) {
+						hljsTitleSpan = span;
+					}
+				}
+			}
+			
+			//  Test that there is exactly one span with a css class of hljs-class
+			//  and that it's parent is a code element with a css class of hljs
+			assertThat(numberOfHljsClassSpans, is(1));
+			assertTrue(hljsClassSpan.getParentNode().getNodeName().equals("code"));
+			assertTrue(hljsClassSpan.getParentNode().getAttributes().getNamedItem("class").getNodeValue().contains("hljs"));
+			
+			//  Test that there is exactly one span with a css class of hljs-keyword
+			//  and that it's parent is a span element with a css class of hljs-class
+			assertThat(numberOfHljsKeywordSpans, is(1));
+			assertTrue(hljsKeywordSpan.getParentNode().getNodeName().equals("span"));
+			assertTrue(hljsKeywordSpan.getParentNode().getAttributes().getNamedItem("class").getNodeValue().contains("hljs-class"));
+			
+			//  Test that there is exactly one span with a css class of hljs-title
+			//  and that it's parent is a span element with a css class of hljs-class
+			assertThat(numberOfHljsTitleSpans, is(1));
+			assertTrue(hljsTitleSpan.getParentNode().getNodeName().equals("span"));
+			assertTrue(hljsTitleSpan.getParentNode().getAttributes().getNamedItem("class").getNodeValue().contains("hljs-class"));
+		}
+	}
+    @Before
+    public void setup() {
+    	//Mock methods for pageBuilderService.assembler().resources().requireWebResource("com.atlassian.plugins.confluence.markdown.confluence-markdown-macro:highlightjs");
+    	Mockito.when(pageBuilderService.assembler()).thenReturn(webResourceAssembler);
+		Mockito.when(webResourceAssembler.resources()).thenReturn(requiredResources);
+		Mockito.when(requiredResources.requireWebResource("com.atlassian.plugins.confluence.markdown.confluence-markdown-macro:highlightjs")).thenReturn(requiredResources);
+    }
+}

src/test/java/ut/com/atlassian/plugins/confluence/MarkdownUnitTest.java

@@ -0,0 +1,144 @@
+package ut.com.atlassian.plugins.confluence;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import static org.junit.Assert.*;
+import static org.hamcrest.CoreMatchers.*;
+
+import com.gargoylesoftware.htmlunit.*;
+import com.gargoylesoftware.htmlunit.html.*;
+
+import org.mockito.*;
+import org.mockito.runners.MockitoJUnitRunner;
+
+import java.io.*;
+import java.net.MalformedURLException;
+import java.util.HashMap;
+import java.util.List;
+
+import com.atlassian.confluence.content.render.xhtml.ConversionContext;
+import com.atlassian.confluence.macro.MacroExecutionException;
+import com.atlassian.webresource.api.assembler.PageBuilderService;
+import com.atlassian.webresource.api.assembler.RequiredResources;
+import com.atlassian.webresource.api.assembler.WebResourceAssembler;
+import com.atlassian.plugins.confluence.markdown.MarkdownMacro;
+
+@RunWith (MockitoJUnitRunner.class)
+public class MarkdownUnitTest {
+	@Mock
+	ConversionContext conversionContext;
+	@Mock
+    PageBuilderService pageBuilderService;
+	@Mock
+	WebResourceAssembler webResourceAssembler;
+    @Mock
+    RequiredResources requiredResources;
+    @InjectMocks
+    MarkdownMacro markdownMacro;
+    
+	@Test
+	public void testMarkdownRendering() throws MacroExecutionException {
+		/*Test that markdown is correctly rendered into HTML*/
+		@SuppressWarnings({ "rawtypes", "unchecked" })
+		String output = markdownMacro.execute(new HashMap(), "*Italic*", conversionContext);
+		assertTrue(output.contains("<em>Italic</em>"));
+	}
+	@Test
+	public void testSyntaxHighlighting() throws MacroExecutionException, IOException {
+		/*Test that the javascript for syntax highlighting works*/
+		// Run the macro with an input of a line of code
+		// Create a temporary HTML file containing the output
+		// Parse the HTML file with htmlunit
+		// Assert that the page contains three spans with the correct classes
+    	// Note: Does not test if highlight.js and highlight.css are correctly included in the page
+		try (final WebClient webClient = new WebClient()) {
+			@SuppressWarnings({ "rawtypes", "unchecked" })
+			String output = markdownMacro.execute(new HashMap(), "`class className() {}`", conversionContext);
+			String toWrite = "<!DOCTYPE html>\r\n" + 
+					"<html>\r\n" + 
+					"<head>\r\n" + 
+					"    <title>Syntax Highlighting Page</title>\r\n" + 
+					"    <script src=\"./jquery-3.3.1.min.js\"></script>\r\n" + 
+					"    <script src=\"../../main/resources/js/highlight.min.js\"></script>\r\n" + 
+					"    <link href=\"../../main/resources/css/highlight.min.css\" rel=\"stylesheet\" />\r\n" + 
+					"</head>\r\n" + 
+					"<body>\r\n" + 
+					"	<script>\r\n" + 
+					"		var AJS = {\r\n" + 
+					"			$: $\r\n" + 
+					"		};\r\n" + 
+					"    </script>\r\n" + 
+					"<div data-macro-name='markdown'>" +
+					output + 
+					"</div>" + 
+					"</body>\r\n" + 
+					"</html>";
+		    File tmpHTMLFile = File.createTempFile("syntax-highlighting-", ".html", new File("src/test/resources"));
+		    FileWriter writer = new FileWriter(tmpHTMLFile);
+		    writer.write(toWrite);
+		    writer.close();
+		    
+			final HtmlPage page = webClient.getPage(tmpHTMLFile.toURI().toURL().toString());
+			HtmlElement document = page.getDocumentElement();
+			List<HtmlElement> spans = document.getElementsByTagName("span");
+			tmpHTMLFile.delete();
+			
+			HtmlElement hljsClassSpan = null;
+			int numberOfHljsClassSpans = 0;
+			HtmlElement hljsKeywordSpan = null;
+			int numberOfHljsKeywordSpans = 0;
+			HtmlElement hljsTitleSpan = null;
+			int numberOfHljsTitleSpans = 0;
+			
+			//Check the class of every span element and increment the counters accordingly
+			//Also define the three span objects as the first span of the correct class
+			for (HtmlElement span : spans) {
+				if (span.getAttribute("class").contains("hljs-class")) {
+					numberOfHljsClassSpans++;
+					if (numberOfHljsClassSpans == 1) {
+						hljsClassSpan = span;
+					}
+				}
+				if (span.getAttribute("class").contains("hljs-keyword")) {
+					numberOfHljsKeywordSpans++;
+					if (numberOfHljsKeywordSpans == 1) {
+						hljsKeywordSpan = span;
+					}
+				}
+				if (span.getAttribute("class").contains("hljs-title")) {
+					numberOfHljsTitleSpans++;
+					if (numberOfHljsTitleSpans == 1) {
+						hljsTitleSpan = span;
+					}
+				}
+			}
+			
+			//  Test that there is exactly one span with a css class of hljs-class
+			//  and that it's parent is a code element with a css class of hljs
+			assertThat(numberOfHljsClassSpans, is(1));
+			assertTrue(hljsClassSpan.getParentNode().getNodeName().equals("code"));
+			assertTrue(hljsClassSpan.getParentNode().getAttributes().getNamedItem("class").getNodeValue().contains("hljs"));
+			
+			//  Test that there is exactly one span with a css class of hljs-keyword
+			//  and that it's parent is a span element with a css class of hljs-class
+			assertThat(numberOfHljsKeywordSpans, is(1));
+			assertTrue(hljsKeywordSpan.getParentNode().getNodeName().equals("span"));
+			assertTrue(hljsKeywordSpan.getParentNode().getAttributes().getNamedItem("class").getNodeValue().contains("hljs-class"));
+			
+			//  Test that there is exactly one span with a css class of hljs-title
+			//  and that it's parent is a span element with a css class of hljs-class
+			assertThat(numberOfHljsTitleSpans, is(1));
+			assertTrue(hljsTitleSpan.getParentNode().getNodeName().equals("span"));
+			assertTrue(hljsTitleSpan.getParentNode().getAttributes().getNamedItem("class").getNodeValue().contains("hljs-class"));
+		}
+	}
+	
+	@Before
+	public void setup() {
+		//Mock methods for pageBuilderService.assembler().resources().requireWebResource("com.atlassian.plugins.confluence.markdown.confluence-markdown-macro:highlightjs");
+		Mockito.when(pageBuilderService.assembler()).thenReturn(webResourceAssembler);
+		Mockito.when(webResourceAssembler.resources()).thenReturn(requiredResources);
+		Mockito.when(requiredResources.requireWebResource("com.atlassian.plugins.confluence.markdown.confluence-markdown-macro:highlightjs")).thenReturn(requiredResources);
+	}
+}

src/test/resources/testMarkdown.md

@@ -0,0 +1 @@
+*Italic*

src/test/resources/testPrivateBitbucket.html

@@ -0,0 +1,15 @@
+
+<html>
+<head>
+  <title>OpenID transaction in progress</title>
+</head>
+<body onload="document.forms[0].submit();">
+<form id="openid_message" action="https://id.atlassian.com/openid/v2/op" method="post" accept-charset="UTF-8" enctype="application/x-www-form-urlencoded"><input name="openid.ns.crowdid" type="hidden" value="https://developer.atlassian.com/display/CROWDDEV/CrowdID+OpenID+extensions#CrowdIDOpenIDextensions-login-page-parameters"/><input name="openid.return_to" type="hidden" value="https://bitbucket.org/socialauth/complete/atlassianid/?janrain_nonce=2018-09-03T16%3A44%3A09ZAMqmtD"/><input name="openid.realm" type="hidden" value="https://bitbucket.org"/><input name="openid.ns" type="hidden" value="http://specs.openid.net/auth/2.0"/><input name="openid.sreg.optional" type="hidden" value="fullname,nickname,email"/><input name="openid.claimed_id" type="hidden" value="http://specs.openid.net/auth/2.0/identifier_select"/><input name="openid.ns.sreg" type="hidden" value="http://openid.net/extensions/sreg/1.1"/><input name="openid.crowdid.application" type="hidden" value="bitbucket"/><input name="openid.assoc_handle" type="hidden" value="8063999"/><input name="openid.mode" type="hidden" value="checkid_setup"/><input name="openid.identity" type="hidden" value="http://specs.openid.net/auth/2.0/identifier_select"/><input type="submit" value="Continue"/></form>
+<script>
+var elements = document.forms[0].elements;
+for (var i = 0; i < elements.length; i++) {
+  elements[i].style.display = "none";
+}
+</script>
+</body>
+</html>

src/test/resources/testSyntaxHighlighting.md

@@ -0,0 +1 @@
+`class className() {}`