[JENKINS-61068] set correct value on parambuild page

src/main/java/org/biouno/unochoice/AbstractScriptableParameter.java

@@ -24,6 +24,7 @@
 
 package org.biouno.unochoice;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.List;
@@ -273,17 +274,38 @@ public ParameterValue getDefaultParameterValue() {
         if (LOGGER.isLoggable(Level.FINE)) {
             LOGGER.entering(AbstractUnoChoiceParameter.class.getName(), "getDefaultParameterValue");
         }
-        Object firstElement = "";
-        final Map<Object, Object> choices = getChoices(Collections.<Object, Object> emptyMap());
-        if (choices != null && !choices.isEmpty()) {
-            firstElement = choices.entrySet().iterator().next().getValue();
-        }
         final String name = getName();
-        final String value = ObjectUtils.toString(firstElement, ""); // Jenkins doesn't like null parameter values
+        String defaultValue = findDefaultValue(getChoices(Collections.<Object, Object> emptyMap()));
+        final String value = ObjectUtils.toString(defaultValue, ""); // Jenkins doesn't like null parameter values
         final StringParameterValue stringParameterValue = new StringParameterValue(name, value);
         return stringParameterValue;
     }
 
+    private static String findDefaultValue(Map<Object, Object> choices) {
+        if (choices == null || choices.isEmpty()) {
+            return null;
+        }
+
+        List<String> defaultValues = new ArrayList<String>();
+        List<Object> values = new ArrayList<Object>(choices.values());
+        for (Object value : values) {
+            String valueText = ObjectUtils.toString(value, "");
+            if (valueText.endsWith(":selected")) {
+                defaultValues.add(valueText.substring(0, valueText.length() - ":selected".length()));
+            }
+        }
+        if (defaultValues.isEmpty()) {
+            return ObjectUtils.toString(values.get(0), null);
+        }
+
+        StringBuilder defaultValuesText = new StringBuilder();
+        for (String value : defaultValues) {
+            defaultValuesText.append(',');
+            defaultValuesText.append(value);
+        }
+        return defaultValuesText.toString().substring(1);
+    }
+
     // --- type types
 
     /**

src/test/java/org/biouno/unochoice/issue61068/TestDefaultValuesOnParamBuildPage.java

@@ -0,0 +1,144 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2019 Ioannis Moutsatsos, Bruno P. Kinoshita
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package org.biouno.unochoice.issue61068;
+
+import static org.junit.Assert.assertEquals;
+
+import org.biouno.unochoice.ChoiceParameter;
+import org.biouno.unochoice.model.GroovyScript;
+import org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SecureGroovyScript;
+import org.jenkinsci.plugins.scriptsecurity.scripts.ScriptApproval;
+import org.jenkinsci.plugins.scriptsecurity.scripts.languages.GroovyLanguage;
+import org.junit.Rule;
+import org.junit.Test;
+import org.jvnet.hudson.test.Issue;
+import org.jvnet.hudson.test.JenkinsRule;
+
+import hudson.model.ParameterValue;
+
+/**
+ * Tests for radio parameter has incorrect default value on parambuild URL. See
+ * JENKINS-61068.
+ *
+ * @since 2.2.3
+ */
+@Issue("JENKINS-61068")
+public class TestDefaultValuesOnParamBuildPage {
+
+    private static final String DEFAULT_FALLBACK_SCRIPT = "return ['EMPTY!']";
+    private static final String PARAMETER_NAME = "my-parameter-name";
+
+    @Rule
+    public JenkinsRule j = new JenkinsRule();
+
+    @Test
+    public void testReturnEmptyWhenNoElementsAreAvailable() {
+        ChoiceParameter parameter = createChoiceParameter(
+                ChoiceParameter.PARAMETER_TYPE_RADIO,
+                "return []"
+        );
+
+        ParameterValue parameterValue = parameter.getDefaultParameterValue();
+
+        assertEquals("Invalid parameter name!", PARAMETER_NAME, parameterValue.getName());
+        assertEquals("Invalid parameter value!", "", parameterValue.getValue());
+    }
+
+    @Test
+    public void testReturnEmptyWhenOnlyEmptyElementIsDefined() {
+        ChoiceParameter parameter = createChoiceParameter(
+                ChoiceParameter.PARAMETER_TYPE_RADIO,
+                "return ['']"
+        );
+
+        ParameterValue parameterValue = parameter.getDefaultParameterValue();
+
+        assertEquals("Invalid parameter name!", PARAMETER_NAME, parameterValue.getName());
+        assertEquals("Invalid parameter value!", "", parameterValue.getValue());
+    }
+
+    @Test
+    public void testReturnFirstElementWhenSelectedIsNotSet() {
+        ChoiceParameter parameter = createChoiceParameter(
+                ChoiceParameter.PARAMETER_TYPE_RADIO,
+                "return ['A', 'B', 'C', 'D']"
+        );
+
+        ParameterValue parameterValue = parameter.getDefaultParameterValue();
+
+        assertEquals("Invalid parameter name!", PARAMETER_NAME, parameterValue.getName());
+        assertEquals("Invalid parameter value!", "A", parameterValue.getValue());
+    }
+
+    @Test
+    public void testReturnSelectedElement() {
+        ChoiceParameter parameter = createChoiceParameter(
+                ChoiceParameter.PARAMETER_TYPE_RADIO,
+                "return ['A', 'B', 'C:selected', 'D']"
+        );
+
+        ParameterValue parameterValue = parameter.getDefaultParameterValue();
+
+        assertEquals("Invalid parameter name!", PARAMETER_NAME, parameterValue.getName());
+        assertEquals("Invalid parameter value!", "C", parameterValue.getValue());
+    }
+
+    @Test
+    public void testReturnSelectedElements() {
+        ChoiceParameter parameter = createChoiceParameter(
+                ChoiceParameter.PARAMETER_TYPE_CHECK_BOX,
+                "return ['A', 'B:selected', 'C', 'D:selected']"
+        );
+
+        ParameterValue parameterValue = parameter.getDefaultParameterValue();
+
+        assertEquals("Invalid parameter name!", PARAMETER_NAME, parameterValue.getName());
+        assertEquals("Invalid parameter value!", "B,D", parameterValue.getValue());
+    }
+
+    @Test
+    public void testReturnSelectedEmptyElement() {
+        ChoiceParameter parameter = createChoiceParameter(
+                ChoiceParameter.PARAMETER_TYPE_RADIO,
+                "return ['A', 'B', ':selected', 'D']"
+        );
+
+        ParameterValue parameterValue = parameter.getDefaultParameterValue();
+
+        assertEquals("Invalid parameter name!", PARAMETER_NAME, parameterValue.getName());
+        assertEquals("Invalid parameter value!", "", parameterValue.getValue());
+    }
+
+    private static final ChoiceParameter createChoiceParameter(String type, String script) {
+        ScriptApproval.get().preapprove(script, GroovyLanguage.get());
+        ScriptApproval.get().preapprove(DEFAULT_FALLBACK_SCRIPT, GroovyLanguage.get());
+
+        GroovyScript groovyScript = new GroovyScript(
+                new SecureGroovyScript(script, Boolean.FALSE, null),
+                new SecureGroovyScript(DEFAULT_FALLBACK_SCRIPT, Boolean.FALSE, null)
+        );
+        return new ChoiceParameter(PARAMETER_NAME, "description", "random-name1", groovyScript, type, true, 1);
+    }
+}

src/test/java/org/biouno/unochoice/issue61068/package-info.java

@@ -0,0 +1,30 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2019 Ioannis Moutsatsos, Bruno P. Kinoshita
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * Tests for radio parameter has incorrect default value on parambuild URL. See JENKINS-61068.
+ *
+ * @since 2.2.3
+ */
+package org.biouno.unochoice.issue61068;