Add first simple statistics page

jgiven-core/src/main/java/com/tngtech/jgiven/report/html/HtmlTocWriter.java

@@ -38,6 +38,7 @@ public void writeToc( PrintWriter writer ) {
         writer.println( "<div id='toc'>" );
         writer.println( "<i class='icon-cancel' onclick='hideToc()'></i>" );
         writeSearchInput();
+        writer.println( "<h3><a href='index.html'>Summary</a></h3>" );
         writePackages();
         writeTagLinks();
         writer.println( "</div> <!-- toc -->" );

jgiven-core/src/main/java/com/tngtech/jgiven/report/html/ReportModelHtmlWriter.java

@@ -28,6 +28,7 @@
 public class ReportModelHtmlWriter extends ReportModelVisitor {
     protected final PrintWriter writer;
     protected final HtmlWriterUtils utils;
+    private ReportStatistics statistics;
 
     public ReportModelHtmlWriter( PrintWriter writer ) {
         this.writer = writer;
@@ -77,7 +78,7 @@ public void write( ReportModel model, HtmlTocWriter htmlTocWriter ) {
 
     private void writeStatistics( ReportModel model ) {
         if( !model.getScenarios().isEmpty() ) {
-            ReportStatistics statistics = new StatisticsCalculator().getStatistics( model );
+            statistics = new StatisticsCalculator().getStatistics( model );
             writer.print( "<div class='statistics'>" );
             writer.print( statistics.numScenarios + " scenarios, "
                     + statistics.numCases + " cases, "
@@ -88,6 +89,10 @@ private void writeStatistics( ReportModel model ) {
         }
     }
 
+    ReportStatistics getStatistics() {
+        return statistics;
+    }
+
     public static String toString( final ScenarioModel model ) {
         return toString( new Function<PrintWriter, Void>() {
             @Override
@@ -185,11 +190,12 @@ public void visit( ScenarioModel scenarioModel ) {
         scenarioModel.accept( scenarioHtmlWriter );
     }
 
-    public static void writeModelToFile( ReportModel model, HtmlTocWriter tocWriter, File file ) {
+    static ReportModelHtmlWriter writeModelToFile( ReportModel model, HtmlTocWriter tocWriter, File file ) {
         PrintWriter printWriter = CommonReportHelper.getPrintWriter( file );
         try {
             ReportModelHtmlWriter htmlWriter = new ReportModelHtmlWriter( printWriter );
             htmlWriter.write( model, tocWriter );
+            return htmlWriter;
         } finally {
             ResourceUtil.close( printWriter );
         }

jgiven-core/src/main/java/com/tngtech/jgiven/report/html/StaticHtmlReportGenerator.java

@@ -4,7 +4,6 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.PrintWriter;
 import java.util.List;
 import java.util.Map;
 
@@ -18,10 +17,10 @@
 import com.google.common.io.Files;
 import com.tngtech.jgiven.impl.util.ResourceUtil;
 import com.tngtech.jgiven.report.html.PackageTocBuilder.PackageToc;
-import com.tngtech.jgiven.report.impl.CommonReportHelper;
 import com.tngtech.jgiven.report.json.JsonModelTraverser;
 import com.tngtech.jgiven.report.json.ReportModelFileHandler;
 import com.tngtech.jgiven.report.model.ReportModel;
+import com.tngtech.jgiven.report.model.ReportStatistics;
 import com.tngtech.jgiven.report.model.ScenarioModel;
 import com.tngtech.jgiven.report.model.StatisticsCalculator;
 import com.tngtech.jgiven.report.model.Tag;
@@ -96,38 +95,18 @@ public void handleReportModel( ReportModel model, File file ) {
     public void writeEnd() {
         PackageToc packageToc = new PackageTocBuilder( models ).getRootPackageToc();
         HtmlTocWriter tocWriter = new HtmlTocWriter( tagMap, packageToc );
+        ReportStatistics totalStatistics = new ReportStatistics();
+
         for( ModelFile modelFile : models ) {
-            ReportModelHtmlWriter.writeModelToFile( modelFile.model, tocWriter, modelFile.file );
+            ReportModelHtmlWriter modelWriter = ReportModelHtmlWriter.writeModelToFile( modelFile.model, tocWriter, modelFile.file );
+            totalStatistics = totalStatistics.add( modelWriter.getStatistics() );
         }
 
         writeTagFiles( tocWriter );
 
-        writeIndexFile( tocWriter );
-
-    }
-
-    private void writeIndexFile( HtmlTocWriter tocWriter ) {
-        File file = new File( toDir, "index.html" );
-        PrintWriter printWriter = CommonReportHelper.getPrintWriter( file );
-        try {
-            ReportModelHtmlWriter htmlWriter = new ReportModelHtmlWriter( printWriter );
-            htmlWriter.writeHtmlHeader( "Scenarios" );
-
-            ReportModel reportModel = new ReportModel();
-            reportModel.setClassName( ".Scenarios" );
-
-            tocWriter.writeToc( printWriter );
-            htmlWriter.visit( reportModel );
-
-            for( Tag tag : tocWriter.getSortedTags() ) {
-                printWriter.println( ScenarioHtmlWriter.tagToHtml( tag ) );
-            }
+        StatisticsPageHtmlWriter statisticsPageHtmlWriter = new StatisticsPageHtmlWriter( tocWriter, totalStatistics );
+        statisticsPageHtmlWriter.write( toDir );
 
-            htmlWriter.visitEnd( reportModel );
-            htmlWriter.writeHtmlFooter();
-        } finally {
-            ResourceUtil.close( printWriter );
-        }
     }
 
     private void writeTagFiles( HtmlTocWriter tocWriter ) {

jgiven-core/src/main/java/com/tngtech/jgiven/report/html/StatisticsPageHtmlWriter.java

@@ -0,0 +1,61 @@
+package com.tngtech.jgiven.report.html;
+
+import java.io.File;
+import java.io.PrintWriter;
+
+import com.tngtech.jgiven.impl.util.DurationFormatter;
+import com.tngtech.jgiven.impl.util.ResourceUtil;
+import com.tngtech.jgiven.report.impl.CommonReportHelper;
+import com.tngtech.jgiven.report.model.ReportModel;
+import com.tngtech.jgiven.report.model.ReportStatistics;
+
+public class StatisticsPageHtmlWriter {
+
+    private final HtmlTocWriter tocWriter;
+    private final ReportStatistics statistics;
+    private PrintWriter printWriter;
+    private HtmlWriterUtils utils;
+
+    public StatisticsPageHtmlWriter( HtmlTocWriter tocWriter, ReportStatistics statistics ) {
+        this.tocWriter = tocWriter;
+        this.statistics = statistics;
+    }
+
+    public void write( File toDir ) {
+        writeIndexFile( toDir );
+    }
+
+    private void writeIndexFile( File toDir ) {
+        File file = new File( toDir, "index.html" );
+        printWriter = CommonReportHelper.getPrintWriter( file );
+        utils = new HtmlWriterUtils( printWriter );
+        try {
+            ReportModelHtmlWriter htmlWriter = new ReportModelHtmlWriter( printWriter );
+            htmlWriter.writeHtmlHeader( "Scenarios" );
+
+            ReportModel reportModel = new ReportModel();
+            reportModel.setClassName( ".Scenarios" );
+
+            tocWriter.writeToc( printWriter );
+            htmlWriter.visit( reportModel );
+
+            writeStatistics();
+
+            htmlWriter.visitEnd( reportModel );
+            htmlWriter.writeHtmlFooter();
+        } finally {
+            ResourceUtil.close( printWriter );
+        }
+    }
+
+    private void writeStatistics() {
+        printWriter.write( "Number of Classes: " + statistics.numClasses + "<br>" );
+        printWriter.write( "Number of Scenarios: " + statistics.numScenarios + "<br>" );
+        printWriter.write( "Number of Cases: " + statistics.numCases + "<br>" );
+        printWriter.write( "Number of Failed Cases: " + statistics.numFailedCases + "<br>" );
+        printWriter.write( "Number of Steps: " + statistics.numSteps + "<br>" );
+        printWriter.write( "Total Time: " + DurationFormatter.format( statistics.durationInNanos ) + "<br>" );
+        printWriter.write( "Average duration per Case: "
+                + DurationFormatter.format( statistics.durationInNanos / statistics.numCases ) );
+    }
+}

jgiven-core/src/main/java/com/tngtech/jgiven/report/model/ReportStatistics.java

@@ -7,4 +7,20 @@ public class ReportStatistics {
     public int numFailedCases;
     public int numSteps;
     public long durationInNanos;
+
+    public ReportStatistics add( ReportStatistics statistics ) {
+        ReportStatistics copy = new ReportStatistics();
+        copy.addModifying( this );
+        copy.addModifying( statistics );
+        return copy;
+    }
+
+    private void addModifying( ReportStatistics statistics ) {
+        this.numClasses += statistics.numClasses;
+        this.numScenarios += statistics.numScenarios;
+        this.numCases += statistics.numCases;
+        this.numFailedCases += statistics.numFailedCases;
+        this.numSteps += statistics.numSteps;
+        this.durationInNanos += statistics.durationInNanos;
+    }
 }

jgiven-core/src/main/resources/com/tngtech/jgiven/report/html/default.css

@@ -113,6 +113,7 @@ h2, h2 a {
   margin-top: 5px;
   padding: 10px;
   padding-top: 0px;
+  padding-bottom: 0px;
 }
 
 #toc ul li {
@@ -124,7 +125,7 @@ h2, h2 a {
   line-height: 1.25;
 }
 
-#toc ul a {
+#toc ul li a {
   text-decoration: none;
   color: #000066;
   font-size: 14px;
@@ -172,11 +173,16 @@ h1 {
   padding-left: 10px;
   padding-top: 5px;
   padding-bottom: 0px;
+}
+
+#toc h3, #toc h3 a {
   font-size: 14px;
   color: #444;
   text-shadow: 1px 1px 1px #fff;
 }
 
+
+
 #toc > .icon-cancel {
   position: absolute;
   top: 2px;