Add color configuration of trend chart (show passed tests in green or blue )

src/main/java/hudson/tasks/test/TestResultProjectAction.java

@@ -43,6 +43,7 @@
 import hudson.model.Job;
 import hudson.model.Run;
 import hudson.tasks.junit.JUnitResultArchiver;
+import hudson.tasks.test.TestResultTrendChart.PassedColor;
 
 import io.jenkins.plugins.echarts.AsyncConfigurableTrendChart;
 import io.jenkins.plugins.echarts.AsyncTrendChart;
@@ -60,6 +61,8 @@
  * @author Kohsuke Kawaguchi
  */
 public class TestResultProjectAction implements Action, AsyncTrendChart, AsyncConfigurableTrendChart {
+    private static final JacksonFacade JACKSON_FACADE = new JacksonFacade();
+
     /**
      * Project that owns this action.
      * @since 1.2-beta-1
@@ -119,23 +122,23 @@ public AbstractTestResultAction getLastTestResultAction() {
 
     @Deprecated
     protected LinesChartModel createChartModel() {
-        return createChartModel(new ChartModelConfiguration());
+        return createChartModel(new ChartModelConfiguration(), PassedColor.BLUE);
     }
 
-    private LinesChartModel createChartModel(final ChartModelConfiguration configuration) {
+    private LinesChartModel createChartModel(ChartModelConfiguration configuration, PassedColor passedColor) {
         Run<?, ?> lastCompletedBuild = job.getLastCompletedBuild();
 
         JunitTestResultStorage storage = JunitTestResultStorage.find();
         if (!(storage instanceof FileJunitTestResultStorage)) {
             TestResultImpl pluggableStorage = storage.load(lastCompletedBuild.getParent().getFullName(), lastCompletedBuild.getNumber());
-            return new TestResultTrendChart().create(pluggableStorage.getTrendTestResultSummary());
+            return new TestResultTrendChart().create(pluggableStorage.getTrendTestResultSummary(), passedColor);
         }
 
         TestResultActionIterable buildHistory = createBuildHistory(lastCompletedBuild);
         if (buildHistory == null) {
             return new LinesChartModel();
         }
-        return new TestResultTrendChart().create(buildHistory, configuration);
+        return new TestResultTrendChart().create(buildHistory, configuration, passedColor);
     }
 
     @CheckForNull
@@ -227,7 +230,8 @@ public String getBuildTrendModel() {
     @JavaScriptMethod
     @Override
     public String getConfigurableBuildTrendModel(final String configuration) {
-        return new JacksonFacade().toJson(createChartModel(ChartModelConfiguration.fromJson(configuration)));
+        PassedColor useBlue = JACKSON_FACADE.getBoolean(configuration, "useBlue", false) ? PassedColor.BLUE : PassedColor.GREEN;
+        return new JacksonFacade().toJson(createChartModel(ChartModelConfiguration.fromJson(configuration), useBlue));
     }
 
     @Override

src/main/java/hudson/tasks/test/TestResultTrendChart.java

@@ -14,46 +14,62 @@
 import static hudson.tasks.test.TestResultTrendSeriesBuilder.*;
 
 public class TestResultTrendChart {
+    enum PassedColor {GREEN, BLUE}
 
     public LinesChartModel create(final List<TrendTestResultSummary> results) {
+        return create(results, PassedColor.BLUE);
+    }
+
+    public LinesChartModel create(final List<TrendTestResultSummary> results, final PassedColor passedColor) {
         LinesDataSet dataset = new LinesDataSet();
         results.forEach(result -> dataset.add(result.getDisplayName(), result.toMap(), result.getBuildNumber()));
 
-        return getLinesChartModel(dataset);
+        return getLinesChartModel(dataset, passedColor);
     }
 
-    public LinesChartModel create(@NonNull final Iterable results,
-                                  final ChartModelConfiguration configuration) {
+    public LinesChartModel create(@NonNull final Iterable results, final ChartModelConfiguration configuration) {
+        return create(results, configuration, PassedColor.GREEN);
+    }
+
+    public LinesChartModel create(@NonNull final Iterable results, final ChartModelConfiguration configuration,
+            final PassedColor passedColor) {
         TestResultTrendSeriesBuilder builder = new TestResultTrendSeriesBuilder();
         LinesDataSet dataSet = builder.createDataSet(configuration, results);
 
-        return getLinesChartModel(dataSet);
+        return getLinesChartModel(dataSet, passedColor);
     }
 
     public LinesChartModel createFromTestObject(final Iterable results,
-                                  final ChartModelConfiguration configuration) {
+            final ChartModelConfiguration configuration) {
+        return createFromTestObject(results, configuration, PassedColor.GREEN);
+    }
+
+    public LinesChartModel createFromTestObject(final Iterable results, final ChartModelConfiguration configuration,
+            final PassedColor passedColor) {
         TestObjectTrendSeriesBuilder builder = new TestObjectTrendSeriesBuilder();
         LinesDataSet dataSet = builder.createDataSet(configuration, results);
 
-        return getLinesChartModel(dataSet);
+        return getLinesChartModel(dataSet, passedColor);
     }
 
-    private LinesChartModel getLinesChartModel(final LinesDataSet dataSet) {
+    private LinesChartModel getLinesChartModel(final LinesDataSet dataSet, final PassedColor passedColor) {
         LinesChartModel model = new LinesChartModel(dataSet);
-        LineSeries failed = new LineSeries("Failed", Palette.RED.getNormal(),
+
+        LineSeries passed = new LineSeries("Passed",
+                passedColor == PassedColor.BLUE ? Palette.BLUE.getNormal() : Palette.GREEN.getNormal(),
                 LineSeries.StackedMode.STACKED, LineSeries.FilledMode.FILLED);
-        failed.addAll(dataSet.getSeries(FAILED_KEY));
-        model.addSeries(failed);
+        passed.addAll(dataSet.getSeries(PASSED_KEY));
+        model.addSeries(passed);
 
         LineSeries skipped = new LineSeries("Skipped", Palette.GRAY.getNormal(),
                 LineSeries.StackedMode.STACKED, LineSeries.FilledMode.FILLED);
         skipped.addAll(dataSet.getSeries(SKIPPED_KEY));
         model.addSeries(skipped);
 
-        LineSeries passed = new LineSeries("Passed", Palette.BLUE.getNormal(),
+        LineSeries failed = new LineSeries("Failed", Palette.RED.getNormal(),
                 LineSeries.StackedMode.STACKED, LineSeries.FilledMode.FILLED);
-        passed.addAll(dataSet.getSeries(PASSED_KEY));
-        model.addSeries(passed);
+        failed.addAll(dataSet.getSeries(FAILED_KEY));
+        model.addSeries(failed);
 
         return model;
     }

src/main/resources/hudson/tasks/test/TestResultProjectAction/floatingBox.jelly

@@ -23,7 +23,36 @@ THE SOFTWARE.
 -->
 
 <?jelly escape-by-default='true'?>
-<j:jelly xmlns:j="jelly:core"
-         xmlns:c="/charts">
-  <c:trend-chart it="${from}" title="${%Test Result Trend}" enableLinks="true" configurationId="default"/>
+<j:jelly xmlns:j="jelly:core" xmlns:c="/charts">
+  <c:trend-setup suffix="junit">
+    <div class="mb-3">
+      <input class="form-check-input" type="checkbox" value="" id="junit-use-blue" />
+      <label class="form-check-label" for="junit-use-blue">
+        Show passed tests in blue (rather than in green)
+      </label>
+    </div>
+    <div class="mb-3">
+      <label class="form-label fw-bold">
+        General configuration
+      </label>
+    </div>
+  </c:trend-setup>
+
+  <c:trend-chart it="${from}" title="${%Test Result Trend}" enableLinks="true" configurationId="junit"/>
+
+  <script>
+    function fillJunit(trendConfiguration, jsonConfiguration) {
+      const useBlue = jsonConfiguration['useBlue'];
+      trendConfiguration.find('#junit-use-blue').prop('checked', !!useBlue);
+    }
+
+    function saveJunit(trendConfiguration) {
+      return {
+        'useBlue': trendConfiguration.find('#junit-use-blue').is(':checked')
+      };
+    }
+
+    echartsJenkinsApi.configureTrend('junit', fillJunit, saveJunit)
+  </script>
+
 </j:jelly>